devices/e1000/e1000_main-2.6.31-ethercat.c
author Florian Pose <fp@igh-essen.com>
Wed, 23 Nov 2011 15:11:07 +0100
changeset 2163 d6d49dcaf7a5
parent 1996 852668fdae6a
child 2211 2a009dc7bd1c
permissions -rw-r--r--
Fixed accidentially used operator & by using &&.
1996
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     1
/*******************************************************************************
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     2
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     3
  Intel PRO/1000 Linux driver
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     4
  Copyright(c) 1999 - 2006 Intel Corporation.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     5
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     6
  This program is free software; you can redistribute it and/or modify it
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     7
  under the terms and conditions of the GNU General Public License,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     8
  version 2, as published by the Free Software Foundation.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     9
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    10
  This program is distributed in the hope it will be useful, but WITHOUT
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    11
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    12
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    13
  more details.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    14
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    15
  You should have received a copy of the GNU General Public License along with
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    16
  this program; if not, write to the Free Software Foundation, Inc.,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    17
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    18
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    19
  The full GNU General Public License is included in this distribution in
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    20
  the file called "COPYING".
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    21
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    22
  Contact Information:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    23
  Linux NICS <linux.nics@intel.com>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    24
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    25
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    26
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    27
  vim: noexpandtab
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    28
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    29
*******************************************************************************/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    30
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    31
#include "e1000-2.6.31-ethercat.h"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    32
#include <net/ip6_checksum.h>
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    33
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    34
char e1000_driver_name[] = "ec_e1000";
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    35
static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    36
#define DRV_VERSION "7.3.21-k3-NAPI"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    37
const char e1000_driver_version[] = DRV_VERSION;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    38
static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    39
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    40
/* e1000_pci_tbl - PCI Device ID Table
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    41
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    42
 * Last entry must be all 0s
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    43
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    44
 * Macro expands to...
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    45
 *   {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    46
 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    47
static struct pci_device_id e1000_pci_tbl[] = {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    48
	INTEL_E1000_ETHERNET_DEVICE(0x1000),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    49
	INTEL_E1000_ETHERNET_DEVICE(0x1001),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    50
	INTEL_E1000_ETHERNET_DEVICE(0x1004),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    51
	INTEL_E1000_ETHERNET_DEVICE(0x1008),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    52
	INTEL_E1000_ETHERNET_DEVICE(0x1009),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    53
	INTEL_E1000_ETHERNET_DEVICE(0x100C),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    54
	INTEL_E1000_ETHERNET_DEVICE(0x100D),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    55
	INTEL_E1000_ETHERNET_DEVICE(0x100E),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    56
	INTEL_E1000_ETHERNET_DEVICE(0x100F),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    57
	INTEL_E1000_ETHERNET_DEVICE(0x1010),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    58
	INTEL_E1000_ETHERNET_DEVICE(0x1011),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    59
	INTEL_E1000_ETHERNET_DEVICE(0x1012),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    60
	INTEL_E1000_ETHERNET_DEVICE(0x1013),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    61
	INTEL_E1000_ETHERNET_DEVICE(0x1014),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    62
	INTEL_E1000_ETHERNET_DEVICE(0x1015),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    63
	INTEL_E1000_ETHERNET_DEVICE(0x1016),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    64
	INTEL_E1000_ETHERNET_DEVICE(0x1017),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    65
	INTEL_E1000_ETHERNET_DEVICE(0x1018),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    66
	INTEL_E1000_ETHERNET_DEVICE(0x1019),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    67
	INTEL_E1000_ETHERNET_DEVICE(0x101A),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    68
	INTEL_E1000_ETHERNET_DEVICE(0x101D),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    69
	INTEL_E1000_ETHERNET_DEVICE(0x101E),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    70
	INTEL_E1000_ETHERNET_DEVICE(0x1026),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    71
	INTEL_E1000_ETHERNET_DEVICE(0x1027),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    72
	INTEL_E1000_ETHERNET_DEVICE(0x1028),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    73
	INTEL_E1000_ETHERNET_DEVICE(0x1075),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    74
	INTEL_E1000_ETHERNET_DEVICE(0x1076),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    75
	INTEL_E1000_ETHERNET_DEVICE(0x1077),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    76
	INTEL_E1000_ETHERNET_DEVICE(0x1078),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    77
	INTEL_E1000_ETHERNET_DEVICE(0x1079),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    78
	INTEL_E1000_ETHERNET_DEVICE(0x107A),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    79
	INTEL_E1000_ETHERNET_DEVICE(0x107B),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    80
	INTEL_E1000_ETHERNET_DEVICE(0x107C),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    81
	INTEL_E1000_ETHERNET_DEVICE(0x108A),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    82
	INTEL_E1000_ETHERNET_DEVICE(0x1099),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    83
	INTEL_E1000_ETHERNET_DEVICE(0x10B5),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    84
	/* required last entry */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    85
	{0,}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    86
};
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    87
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    88
// do not auto-load driver
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    89
// MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    90
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    91
int e1000_up(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    92
void e1000_down(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    93
void e1000_reinit_locked(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    94
void e1000_reset(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    95
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    96
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    97
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    98
void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    99
void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   100
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   101
                             struct e1000_tx_ring *txdr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   102
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   103
                             struct e1000_rx_ring *rxdr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   104
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   105
                             struct e1000_tx_ring *tx_ring);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   106
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   107
                             struct e1000_rx_ring *rx_ring);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   108
void e1000_update_stats(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   109
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   110
static int e1000_init_module(void);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   111
static void e1000_exit_module(void);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   112
static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   113
static void __devexit e1000_remove(struct pci_dev *pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   114
static int e1000_alloc_queues(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   115
static int e1000_sw_init(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   116
static int e1000_open(struct net_device *netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   117
static int e1000_close(struct net_device *netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   118
static void e1000_configure_tx(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   119
static void e1000_configure_rx(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   120
static void e1000_setup_rctl(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   121
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   122
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   123
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   124
                                struct e1000_tx_ring *tx_ring);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   125
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   126
                                struct e1000_rx_ring *rx_ring);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   127
static void e1000_set_rx_mode(struct net_device *netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   128
static void e1000_update_phy_info(unsigned long data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   129
static void e1000_watchdog(unsigned long data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   130
static void e1000_82547_tx_fifo_stall(unsigned long data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   131
static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   132
static struct net_device_stats * e1000_get_stats(struct net_device *netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   133
static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   134
static int e1000_set_mac(struct net_device *netdev, void *p);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   135
void ec_poll(struct net_device *);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   136
static irqreturn_t e1000_intr(int irq, void *data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   137
static irqreturn_t e1000_intr_msi(int irq, void *data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   138
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   139
			       struct e1000_tx_ring *tx_ring);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   140
static int e1000_clean(struct napi_struct *napi, int budget);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   141
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   142
			       struct e1000_rx_ring *rx_ring,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   143
			       int *work_done, int work_to_do);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   144
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   145
                                   struct e1000_rx_ring *rx_ring,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   146
				   int cleaned_count);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   147
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   148
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   149
			   int cmd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   150
static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   151
static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   152
static void e1000_tx_timeout(struct net_device *dev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   153
static void e1000_reset_task(struct work_struct *work);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   154
static void e1000_smartspeed(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   155
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   156
                                       struct sk_buff *skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   157
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   158
static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   159
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   160
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   161
static void e1000_restore_vlan(struct e1000_adapter *adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   162
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   163
#ifdef CONFIG_PM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   164
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   165
static int e1000_resume(struct pci_dev *pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   166
#endif
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   167
static void e1000_shutdown(struct pci_dev *pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   168
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   169
#ifdef CONFIG_NET_POLL_CONTROLLER
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   170
/* for netdump / net console */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   171
static void e1000_netpoll (struct net_device *netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   172
#endif
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   173
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   174
#define COPYBREAK_DEFAULT 256
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   175
static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   176
module_param(copybreak, uint, 0644);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   177
MODULE_PARM_DESC(copybreak,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   178
	"Maximum size of packet that is copied to a new buffer on receive");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   179
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   180
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   181
                     pci_channel_state_t state);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   182
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   183
static void e1000_io_resume(struct pci_dev *pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   184
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   185
static struct pci_error_handlers e1000_err_handler = {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   186
	.error_detected = e1000_io_error_detected,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   187
	.slot_reset = e1000_io_slot_reset,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   188
	.resume = e1000_io_resume,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   189
};
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   190
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   191
static struct pci_driver e1000_driver = {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   192
	.name     = e1000_driver_name,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   193
	.id_table = e1000_pci_tbl,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   194
	.probe    = e1000_probe,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   195
	.remove   = __devexit_p(e1000_remove),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   196
#ifdef CONFIG_PM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   197
	/* Power Managment Hooks */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   198
	.suspend  = e1000_suspend,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   199
	.resume   = e1000_resume,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   200
#endif
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   201
	.shutdown = e1000_shutdown,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   202
	.err_handler = &e1000_err_handler
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   203
};
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   204
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   205
MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   206
MODULE_DESCRIPTION("EtherCAT-capable Intel(R) PRO/1000 Network Driver");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   207
MODULE_LICENSE("GPL");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   208
MODULE_VERSION(DRV_VERSION);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   209
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   210
static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   211
module_param(debug, int, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   212
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   213
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   214
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   215
 * e1000_init_module - Driver Registration Routine
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   216
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   217
 * e1000_init_module is the first routine called when the driver is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   218
 * loaded. All it does is register with the PCI subsystem.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   219
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   220
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   221
static int __init e1000_init_module(void)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   222
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   223
	int ret;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   224
	printk(KERN_INFO "%s - version %s\n",
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   225
	       e1000_driver_string, e1000_driver_version);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   226
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   227
	printk(KERN_INFO "%s\n", e1000_copyright);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   228
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   229
	ret = pci_register_driver(&e1000_driver);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   230
	if (copybreak != COPYBREAK_DEFAULT) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   231
		if (copybreak == 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   232
			printk(KERN_INFO "e1000: copybreak disabled\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   233
		else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   234
			printk(KERN_INFO "e1000: copybreak enabled for "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   235
			       "packets <= %u bytes\n", copybreak);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   236
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   237
	return ret;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   238
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   239
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   240
module_init(e1000_init_module);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   241
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   242
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   243
 * e1000_exit_module - Driver Exit Cleanup Routine
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   244
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   245
 * e1000_exit_module is called just before the driver is removed
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   246
 * from memory.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   247
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   248
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   249
static void __exit e1000_exit_module(void)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   250
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   251
	pci_unregister_driver(&e1000_driver);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   252
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   253
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   254
module_exit(e1000_exit_module);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   255
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   256
static int e1000_request_irq(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   257
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   258
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   259
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   260
	irq_handler_t handler = e1000_intr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   261
	int irq_flags = IRQF_SHARED;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   262
	int err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   263
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   264
	if (adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   265
		return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   266
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   267
	if (hw->mac_type >= e1000_82571) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   268
		adapter->have_msi = !pci_enable_msi(adapter->pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   269
		if (adapter->have_msi) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   270
			handler = e1000_intr_msi;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   271
			irq_flags = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   272
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   273
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   274
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   275
	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   276
	                  netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   277
	if (err) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   278
		if (adapter->have_msi)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   279
			pci_disable_msi(adapter->pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   280
		DPRINTK(PROBE, ERR,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   281
		        "Unable to allocate interrupt Error: %d\n", err);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   282
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   283
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   284
	return err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   285
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   286
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   287
static void e1000_free_irq(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   288
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   289
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   290
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   291
	if (adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   292
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   293
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   294
	free_irq(adapter->pdev->irq, netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   295
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   296
	if (adapter->have_msi)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   297
		pci_disable_msi(adapter->pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   298
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   299
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   300
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   301
 * e1000_irq_disable - Mask off interrupt generation on the NIC
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   302
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   303
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   304
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   305
static void e1000_irq_disable(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   306
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   307
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   308
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   309
	if (adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   310
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   311
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   312
	ew32(IMC, ~0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   313
	E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   314
	synchronize_irq(adapter->pdev->irq);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   315
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   316
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   317
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   318
 * e1000_irq_enable - Enable default interrupt generation settings
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   319
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   320
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   321
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   322
static void e1000_irq_enable(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   323
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   324
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   325
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   326
	if (adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   327
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   328
 
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   329
	ew32(IMS, IMS_ENABLE_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   330
	E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   331
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   332
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   333
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   334
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   335
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   336
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   337
	u16 vid = hw->mng_cookie.vlan_id;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   338
	u16 old_vid = adapter->mng_vlan_id;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   339
	if (adapter->vlgrp) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   340
		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   341
			if (hw->mng_cookie.status &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   342
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   343
				e1000_vlan_rx_add_vid(netdev, vid);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   344
				adapter->mng_vlan_id = vid;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   345
			} else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   346
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   347
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   348
			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   349
					(vid != old_vid) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   350
			    !vlan_group_get_device(adapter->vlgrp, old_vid))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   351
				e1000_vlan_rx_kill_vid(netdev, old_vid);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   352
		} else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   353
			adapter->mng_vlan_id = vid;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   354
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   355
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   356
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   357
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   358
 * e1000_release_hw_control - release control of the h/w to f/w
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   359
 * @adapter: address of board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   360
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   361
 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   362
 * For ASF and Pass Through versions of f/w this means that the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   363
 * driver is no longer loaded. For AMT version (only with 82573) i
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   364
 * of the f/w this means that the network i/f is closed.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   365
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   366
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   367
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   368
static void e1000_release_hw_control(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   369
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   370
	u32 ctrl_ext;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   371
	u32 swsm;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   372
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   373
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   374
	/* Let firmware taken over control of h/w */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   375
	switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   376
	case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   377
		swsm = er32(SWSM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   378
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   379
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   380
	case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   381
	case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   382
	case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   383
	case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   384
		ctrl_ext = er32(CTRL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   385
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   386
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   387
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   388
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   389
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   390
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   391
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   392
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   393
 * e1000_get_hw_control - get control of the h/w from f/w
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   394
 * @adapter: address of board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   395
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   396
 * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   397
 * For ASF and Pass Through versions of f/w this means that
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   398
 * the driver is loaded. For AMT version (only with 82573)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   399
 * of the f/w this means that the network i/f is open.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   400
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   401
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   402
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   403
static void e1000_get_hw_control(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   404
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   405
	u32 ctrl_ext;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   406
	u32 swsm;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   407
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   408
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   409
	/* Let firmware know the driver has taken over */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   410
	switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   411
	case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   412
		swsm = er32(SWSM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   413
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   414
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   415
	case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   416
	case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   417
	case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   418
	case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   419
		ctrl_ext = er32(CTRL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   420
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   421
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   422
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   423
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   424
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   425
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   426
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   427
static void e1000_init_manageability(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   428
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   429
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   430
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   431
	if (adapter->en_mng_pt) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   432
		u32 manc = er32(MANC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   433
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   434
		/* disable hardware interception of ARP */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   435
		manc &= ~(E1000_MANC_ARP_EN);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   436
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   437
		/* enable receiving management packets to the host */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   438
		/* this will probably generate destination unreachable messages
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   439
		 * from the host OS, but the packets will be handled on SMBUS */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   440
		if (hw->has_manc2h) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   441
			u32 manc2h = er32(MANC2H);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   442
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   443
			manc |= E1000_MANC_EN_MNG2HOST;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   444
#define E1000_MNG2HOST_PORT_623 (1 << 5)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   445
#define E1000_MNG2HOST_PORT_664 (1 << 6)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   446
			manc2h |= E1000_MNG2HOST_PORT_623;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   447
			manc2h |= E1000_MNG2HOST_PORT_664;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   448
			ew32(MANC2H, manc2h);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   449
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   450
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   451
		ew32(MANC, manc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   452
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   453
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   454
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   455
static void e1000_release_manageability(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   456
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   457
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   458
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   459
	if (adapter->en_mng_pt) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   460
		u32 manc = er32(MANC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   461
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   462
		/* re-enable hardware interception of ARP */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   463
		manc |= E1000_MANC_ARP_EN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   464
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   465
		if (hw->has_manc2h)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   466
			manc &= ~E1000_MANC_EN_MNG2HOST;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   467
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   468
		/* don't explicitly have to mess with MANC2H since
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   469
		 * MANC has an enable disable that gates MANC2H */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   470
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   471
		ew32(MANC, manc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   472
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   473
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   474
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   475
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   476
 * e1000_configure - configure the hardware for RX and TX
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   477
 * @adapter = private board structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   478
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   479
static void e1000_configure(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   480
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   481
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   482
	int i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   483
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   484
	e1000_set_rx_mode(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   485
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   486
	e1000_restore_vlan(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   487
	e1000_init_manageability(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   488
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   489
	e1000_configure_tx(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   490
	e1000_setup_rctl(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   491
	e1000_configure_rx(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   492
	/* call E1000_DESC_UNUSED which always leaves
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   493
	 * at least 1 descriptor unused to make sure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   494
	 * next_to_use != next_to_clean */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   495
	for (i = 0; i < adapter->num_rx_queues; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   496
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   497
		if (adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   498
			/* fill rx ring completely! */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   499
			adapter->alloc_rx_buf(adapter, ring, ring->count);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   500
		} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   501
            /* this one leaves the last ring element unallocated! */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   502
			adapter->alloc_rx_buf(adapter, ring,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   503
					E1000_DESC_UNUSED(ring));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   504
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   505
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   506
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   507
	adapter->tx_queue_len = netdev->tx_queue_len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   508
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   509
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   510
int e1000_up(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   511
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   512
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   513
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   514
	/* hardware has been reset, we need to reload some things */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   515
	e1000_configure(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   516
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   517
	clear_bit(__E1000_DOWN, &adapter->flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   518
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   519
	if (!adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   520
		napi_enable(&adapter->napi);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   521
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   522
		e1000_irq_enable(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   523
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   524
		netif_wake_queue(adapter->netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   525
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   526
		/* fire a link change interrupt to start the watchdog */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   527
		ew32(ICS, E1000_ICS_LSC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   528
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   529
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   530
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   531
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   532
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   533
 * e1000_power_up_phy - restore link in case the phy was powered down
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   534
 * @adapter: address of board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   535
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   536
 * The phy may be powered down to save power and turn off link when the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   537
 * driver is unloaded and wake on lan is not enabled (among others)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   538
 * *** this routine MUST be followed by a call to e1000_reset ***
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   539
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   540
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   541
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   542
void e1000_power_up_phy(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   543
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   544
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   545
	u16 mii_reg = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   546
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   547
	/* Just clear the power down bit to wake the phy back up */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   548
	if (hw->media_type == e1000_media_type_copper) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   549
		/* according to the manual, the phy will retain its
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   550
		 * settings across a power-down/up cycle */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   551
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   552
		mii_reg &= ~MII_CR_POWER_DOWN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   553
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   554
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   555
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   556
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   557
static void e1000_power_down_phy(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   558
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   559
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   560
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   561
	/* Power down the PHY so no link is implied when interface is down *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   562
	 * The PHY cannot be powered down if any of the following is true *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   563
	 * (a) WoL is enabled
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   564
	 * (b) AMT is active
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   565
	 * (c) SoL/IDER session is active */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   566
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   567
	   hw->media_type == e1000_media_type_copper) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   568
		u16 mii_reg = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   569
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   570
		switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   571
		case e1000_82540:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   572
		case e1000_82545:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   573
		case e1000_82545_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   574
		case e1000_82546:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   575
		case e1000_82546_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   576
		case e1000_82541:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   577
		case e1000_82541_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   578
		case e1000_82547:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   579
		case e1000_82547_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   580
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   581
				goto out;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   582
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   583
		case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   584
		case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   585
		case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   586
		case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   587
		case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   588
			if (e1000_check_mng_mode(hw) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   589
			    e1000_check_phy_reset_block(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   590
				goto out;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   591
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   592
		default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   593
			goto out;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   594
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   595
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   596
		mii_reg |= MII_CR_POWER_DOWN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   597
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   598
		mdelay(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   599
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   600
out:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   601
	return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   602
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   603
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   604
void e1000_down(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   605
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   606
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   607
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   608
	u32 rctl, tctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   609
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   610
	/* signal that we're down so the interrupt handler does not
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   611
	 * reschedule our watchdog timer */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   612
	set_bit(__E1000_DOWN, &adapter->flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   613
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   614
	/* disable receives in the hardware */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   615
	rctl = er32(RCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   616
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   617
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   618
	if (!adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   619
		/* flush and sleep below */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   620
		/* can be netif_tx_disable when NETIF_F_LLTX is removed */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   621
		netif_stop_queue(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   622
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   623
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   624
	/* disable transmits in the hardware */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   625
	tctl = er32(TCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   626
	tctl &= ~E1000_TCTL_EN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   627
	ew32(TCTL, tctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   628
	/* flush both disables and wait for them to finish */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   629
	E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   630
	msleep(10);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   631
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   632
	if (!adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   633
		napi_disable(&adapter->napi);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   634
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   635
		e1000_irq_disable(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   636
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   637
		del_timer_sync(&adapter->tx_fifo_stall_timer);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   638
		del_timer_sync(&adapter->watchdog_timer);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   639
		del_timer_sync(&adapter->phy_info_timer);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   640
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   641
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   642
	netdev->tx_queue_len = adapter->tx_queue_len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   643
	adapter->link_speed = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   644
	adapter->link_duplex = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   645
	if (!adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   646
		netif_carrier_off(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   647
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   648
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   649
	e1000_reset(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   650
	e1000_clean_all_tx_rings(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   651
	e1000_clean_all_rx_rings(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   652
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   653
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   654
void e1000_reinit_locked(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   655
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   656
	WARN_ON(in_interrupt());
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   657
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   658
		msleep(1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   659
	e1000_down(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   660
	e1000_up(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   661
	clear_bit(__E1000_RESETTING, &adapter->flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   662
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   663
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   664
void e1000_reset(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   665
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   666
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   667
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   668
	u16 fc_high_water_mark = E1000_FC_HIGH_DIFF;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   669
	bool legacy_pba_adjust = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   670
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   671
	/* Repartition Pba for greater than 9k mtu
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   672
	 * To take effect CTRL.RST is required.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   673
	 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   674
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   675
	switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   676
	case e1000_82542_rev2_0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   677
	case e1000_82542_rev2_1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   678
	case e1000_82543:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   679
	case e1000_82544:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   680
	case e1000_82540:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   681
	case e1000_82541:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   682
	case e1000_82541_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   683
		legacy_pba_adjust = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   684
		pba = E1000_PBA_48K;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   685
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   686
	case e1000_82545:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   687
	case e1000_82545_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   688
	case e1000_82546:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   689
	case e1000_82546_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   690
		pba = E1000_PBA_48K;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   691
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   692
	case e1000_82547:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   693
	case e1000_82547_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   694
		legacy_pba_adjust = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   695
		pba = E1000_PBA_30K;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   696
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   697
	case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   698
	case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   699
	case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   700
		pba = E1000_PBA_38K;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   701
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   702
	case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   703
		pba = E1000_PBA_20K;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   704
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   705
	case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   706
		pba = E1000_PBA_8K;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   707
	case e1000_undefined:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   708
	case e1000_num_macs:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   709
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   710
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   711
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   712
	if (legacy_pba_adjust) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   713
		if (adapter->netdev->mtu > E1000_RXBUFFER_8192)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   714
			pba -= 8; /* allocate more FIFO for Tx */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   715
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   716
		if (hw->mac_type == e1000_82547) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   717
			adapter->tx_fifo_head = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   718
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   719
			adapter->tx_fifo_size =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   720
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   721
			atomic_set(&adapter->tx_fifo_stall, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   722
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   723
	} else if (hw->max_frame_size > MAXIMUM_ETHERNET_FRAME_SIZE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   724
		/* adjust PBA for jumbo frames */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   725
		ew32(PBA, pba);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   726
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   727
		/* To maintain wire speed transmits, the Tx FIFO should be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   728
		 * large enough to accomodate two full transmit packets,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   729
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   730
		 * the Rx FIFO should be large enough to accomodate at least
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   731
		 * one full receive packet and is similarly rounded up and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   732
		 * expressed in KB. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   733
		pba = er32(PBA);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   734
		/* upper 16 bits has Tx packet buffer allocation size in KB */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   735
		tx_space = pba >> 16;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   736
		/* lower 16 bits has Rx packet buffer allocation size in KB */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   737
		pba &= 0xffff;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   738
		/* don't include ethernet FCS because hardware appends/strips */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   739
		min_rx_space = adapter->netdev->mtu + ENET_HEADER_SIZE +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   740
		               VLAN_TAG_SIZE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   741
		min_tx_space = min_rx_space;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   742
		min_tx_space *= 2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   743
		min_tx_space = ALIGN(min_tx_space, 1024);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   744
		min_tx_space >>= 10;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   745
		min_rx_space = ALIGN(min_rx_space, 1024);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   746
		min_rx_space >>= 10;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   747
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   748
		/* If current Tx allocation is less than the min Tx FIFO size,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   749
		 * and the min Tx FIFO size is less than the current Rx FIFO
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   750
		 * allocation, take space away from current Rx allocation */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   751
		if (tx_space < min_tx_space &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   752
		    ((min_tx_space - tx_space) < pba)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   753
			pba = pba - (min_tx_space - tx_space);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   754
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   755
			/* PCI/PCIx hardware has PBA alignment constraints */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   756
			switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   757
			case e1000_82545 ... e1000_82546_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   758
				pba &= ~(E1000_PBA_8K - 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   759
				break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   760
			default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   761
				break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   762
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   763
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   764
			/* if short on rx space, rx wins and must trump tx
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   765
			 * adjustment or use Early Receive if available */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   766
			if (pba < min_rx_space) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   767
				switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   768
				case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   769
					/* ERT enabled in e1000_configure_rx */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   770
					break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   771
				default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   772
					pba = min_rx_space;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   773
					break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   774
				}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   775
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   776
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   777
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   778
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   779
	ew32(PBA, pba);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   780
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   781
	/* flow control settings */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   782
	/* Set the FC high water mark to 90% of the FIFO size.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   783
	 * Required to clear last 3 LSB */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   784
	fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   785
	/* We can't use 90% on small FIFOs because the remainder
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   786
	 * would be less than 1 full frame.  In this case, we size
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   787
	 * it to allow at least a full frame above the high water
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   788
	 *  mark. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   789
	if (pba < E1000_PBA_16K)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   790
		fc_high_water_mark = (pba * 1024) - 1600;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   791
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   792
	hw->fc_high_water = fc_high_water_mark;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   793
	hw->fc_low_water = fc_high_water_mark - 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   794
	if (hw->mac_type == e1000_80003es2lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   795
		hw->fc_pause_time = 0xFFFF;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   796
	else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   797
		hw->fc_pause_time = E1000_FC_PAUSE_TIME;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   798
	hw->fc_send_xon = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   799
	hw->fc = hw->original_fc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   800
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   801
	/* Allow time for pending master requests to run */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   802
	e1000_reset_hw(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   803
	if (hw->mac_type >= e1000_82544)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   804
		ew32(WUC, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   805
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   806
	if (e1000_init_hw(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   807
		DPRINTK(PROBE, ERR, "Hardware Error\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   808
	e1000_update_mng_vlan(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   809
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   810
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   811
	if (hw->mac_type >= e1000_82544 &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   812
	    hw->mac_type <= e1000_82547_rev_2 &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   813
	    hw->autoneg == 1 &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   814
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   815
		u32 ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   816
		/* clear phy power management bit if we are in gig only mode,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   817
		 * which if enabled will attempt negotiation to 100Mb, which
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   818
		 * can cause a loss of link at power off or driver unload */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   819
		ctrl &= ~E1000_CTRL_SWDPIN3;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   820
		ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   821
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   822
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   823
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   824
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   825
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   826
	e1000_reset_adaptive(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   827
	e1000_phy_get_info(hw, &adapter->phy_info);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   828
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   829
	if (!adapter->smart_power_down &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   830
	    (hw->mac_type == e1000_82571 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   831
	     hw->mac_type == e1000_82572)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   832
		u16 phy_data = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   833
		/* speed up time to link by disabling smart power down, ignore
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   834
		 * the return value of this function because there is nothing
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   835
		 * different we would do if it failed */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   836
		e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   837
		                   &phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   838
		phy_data &= ~IGP02E1000_PM_SPD;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   839
		e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   840
		                    phy_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   841
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   842
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   843
	e1000_release_manageability(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   844
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   845
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   846
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   847
 *  Dump the eeprom for users having checksum issues
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   848
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   849
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   850
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   851
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   852
	struct ethtool_eeprom eeprom;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   853
	const struct ethtool_ops *ops = netdev->ethtool_ops;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   854
	u8 *data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   855
	int i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   856
	u16 csum_old, csum_new = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   857
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   858
	eeprom.len = ops->get_eeprom_len(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   859
	eeprom.offset = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   860
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   861
	data = kmalloc(eeprom.len, GFP_KERNEL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   862
	if (!data) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   863
		printk(KERN_ERR "Unable to allocate memory to dump EEPROM"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   864
		       " data\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   865
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   866
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   867
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   868
	ops->get_eeprom(netdev, &eeprom, data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   869
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   870
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   871
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   872
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   873
		csum_new += data[i] + (data[i + 1] << 8);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   874
	csum_new = EEPROM_SUM - csum_new;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   875
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   876
	printk(KERN_ERR "/*********************/\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   877
	printk(KERN_ERR "Current EEPROM Checksum : 0x%04x\n", csum_old);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   878
	printk(KERN_ERR "Calculated              : 0x%04x\n", csum_new);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   879
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   880
	printk(KERN_ERR "Offset    Values\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   881
	printk(KERN_ERR "========  ======\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   882
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   883
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   884
	printk(KERN_ERR "Include this output when contacting your support "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   885
	       "provider.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   886
	printk(KERN_ERR "This is not a software error! Something bad "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   887
	       "happened to your hardware or\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   888
	printk(KERN_ERR "EEPROM image. Ignoring this "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   889
	       "problem could result in further problems,\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   890
	printk(KERN_ERR "possibly loss of data, corruption or system hangs!\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   891
	printk(KERN_ERR "The MAC Address will be reset to 00:00:00:00:00:00, "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   892
	       "which is invalid\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   893
	printk(KERN_ERR "and requires you to set the proper MAC "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   894
	       "address manually before continuing\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   895
	printk(KERN_ERR "to enable this network device.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   896
	printk(KERN_ERR "Please inspect the EEPROM dump and report the issue "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   897
	       "to your hardware vendor\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   898
	printk(KERN_ERR "or Intel Customer Support.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   899
	printk(KERN_ERR "/*********************/\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   900
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   901
	kfree(data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   902
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   903
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   904
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   905
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   906
 * @pdev: PCI device information struct
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   907
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   908
 * Return true if an adapter needs ioport resources
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   909
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   910
static int e1000_is_need_ioport(struct pci_dev *pdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   911
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   912
	switch (pdev->device) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   913
	case E1000_DEV_ID_82540EM:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   914
	case E1000_DEV_ID_82540EM_LOM:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   915
	case E1000_DEV_ID_82540EP:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   916
	case E1000_DEV_ID_82540EP_LOM:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   917
	case E1000_DEV_ID_82540EP_LP:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   918
	case E1000_DEV_ID_82541EI:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   919
	case E1000_DEV_ID_82541EI_MOBILE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   920
	case E1000_DEV_ID_82541ER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   921
	case E1000_DEV_ID_82541ER_LOM:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   922
	case E1000_DEV_ID_82541GI:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   923
	case E1000_DEV_ID_82541GI_LF:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   924
	case E1000_DEV_ID_82541GI_MOBILE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   925
	case E1000_DEV_ID_82544EI_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   926
	case E1000_DEV_ID_82544EI_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   927
	case E1000_DEV_ID_82544GC_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   928
	case E1000_DEV_ID_82544GC_LOM:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   929
	case E1000_DEV_ID_82545EM_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   930
	case E1000_DEV_ID_82545EM_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   931
	case E1000_DEV_ID_82546EB_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   932
	case E1000_DEV_ID_82546EB_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   933
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   934
		return true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   935
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   936
		return false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   937
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   938
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   939
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   940
static const struct net_device_ops e1000_netdev_ops = {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   941
	.ndo_open		= e1000_open,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   942
	.ndo_stop		= e1000_close,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   943
	.ndo_start_xmit		= e1000_xmit_frame,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   944
	.ndo_get_stats		= e1000_get_stats,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   945
	.ndo_set_rx_mode	= e1000_set_rx_mode,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   946
	.ndo_set_mac_address	= e1000_set_mac,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   947
	.ndo_tx_timeout 	= e1000_tx_timeout,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   948
	.ndo_change_mtu		= e1000_change_mtu,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   949
	.ndo_do_ioctl		= e1000_ioctl,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   950
	.ndo_validate_addr	= eth_validate_addr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   951
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   952
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   953
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   954
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   955
#ifdef CONFIG_NET_POLL_CONTROLLER
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   956
	.ndo_poll_controller	= e1000_netpoll,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   957
#endif
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   958
};
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   959
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   960
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   961
 * e1000_probe - Device Initialization Routine
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   962
 * @pdev: PCI device information struct
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   963
 * @ent: entry in e1000_pci_tbl
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   964
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   965
 * Returns 0 on success, negative on failure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   966
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   967
 * e1000_probe initializes an adapter identified by a pci_dev structure.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   968
 * The OS initialization, configuring of the adapter private structure,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   969
 * and a hardware reset occur.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   970
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   971
static int __devinit e1000_probe(struct pci_dev *pdev,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   972
				 const struct pci_device_id *ent)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   973
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   974
	struct net_device *netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   975
	struct e1000_adapter *adapter;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   976
	struct e1000_hw *hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   977
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   978
	static int cards_found = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   979
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   980
	int i, err, pci_using_dac;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   981
	u16 eeprom_data = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   982
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   983
	int bars, need_ioport;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   984
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   985
	/* do not allocate ioport bars when not needed */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   986
	need_ioport = e1000_is_need_ioport(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   987
	if (need_ioport) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   988
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   989
		err = pci_enable_device(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   990
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   991
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   992
		err = pci_enable_device_mem(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   993
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   994
	if (err)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   995
		return err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   996
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   997
	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   998
	    !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   999
		pci_using_dac = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1000
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1001
		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1002
		if (err) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1003
			err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1004
			if (err) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1005
				E1000_ERR("No usable DMA configuration, "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1006
					  "aborting\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1007
				goto err_dma;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1008
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1009
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1010
		pci_using_dac = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1011
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1012
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1013
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1014
	if (err)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1015
		goto err_pci_reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1016
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1017
	pci_set_master(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1018
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1019
	err = -ENOMEM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1020
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1021
	if (!netdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1022
		goto err_alloc_etherdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1023
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1024
	SET_NETDEV_DEV(netdev, &pdev->dev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1025
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1026
	pci_set_drvdata(pdev, netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1027
	adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1028
	adapter->netdev = netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1029
	adapter->pdev = pdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1030
	adapter->msg_enable = (1 << debug) - 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1031
	adapter->bars = bars;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1032
	adapter->need_ioport = need_ioport;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1033
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1034
	hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1035
	hw->back = adapter;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1036
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1037
	err = -EIO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1038
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1039
	if (!hw->hw_addr)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1040
		goto err_ioremap;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1041
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1042
	if (adapter->need_ioport) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1043
		for (i = BAR_1; i <= BAR_5; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1044
			if (pci_resource_len(pdev, i) == 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1045
				continue;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1046
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1047
				hw->io_base = pci_resource_start(pdev, i);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1048
				break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1049
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1050
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1051
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1052
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1053
	netdev->netdev_ops = &e1000_netdev_ops;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1054
	e1000_set_ethtool_ops(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1055
	netdev->watchdog_timeo = 5 * HZ;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1056
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1057
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1058
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1059
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1060
	adapter->bd_number = cards_found;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1061
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1062
	/* setup the private structure */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1063
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1064
	err = e1000_sw_init(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1065
	if (err)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1066
		goto err_sw_init;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1067
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1068
	err = -EIO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1069
	/* Flash BAR mapping must happen after e1000_sw_init
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1070
	 * because it depends on mac_type */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1071
	if ((hw->mac_type == e1000_ich8lan) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1072
	   (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1073
		hw->flash_address = pci_ioremap_bar(pdev, 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1074
		if (!hw->flash_address)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1075
			goto err_flashmap;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1076
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1077
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1078
	if (e1000_check_phy_reset_block(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1079
		DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1080
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1081
	if (hw->mac_type >= e1000_82543) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1082
		netdev->features = NETIF_F_SG |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1083
				   NETIF_F_HW_CSUM |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1084
				   NETIF_F_HW_VLAN_TX |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1085
				   NETIF_F_HW_VLAN_RX |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1086
				   NETIF_F_HW_VLAN_FILTER;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1087
		if (hw->mac_type == e1000_ich8lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1088
			netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1089
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1090
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1091
	if ((hw->mac_type >= e1000_82544) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1092
	   (hw->mac_type != e1000_82547))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1093
		netdev->features |= NETIF_F_TSO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1094
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1095
	if (hw->mac_type > e1000_82547_rev_2)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1096
		netdev->features |= NETIF_F_TSO6;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1097
	if (pci_using_dac)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1098
		netdev->features |= NETIF_F_HIGHDMA;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1099
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1100
	netdev->vlan_features |= NETIF_F_TSO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1101
	netdev->vlan_features |= NETIF_F_TSO6;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1102
	netdev->vlan_features |= NETIF_F_HW_CSUM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1103
	netdev->vlan_features |= NETIF_F_SG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1104
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1105
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1106
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1107
	/* initialize eeprom parameters */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1108
	if (e1000_init_eeprom_params(hw)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1109
		E1000_ERR("EEPROM initialization failed\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1110
		goto err_eeprom;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1111
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1112
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1113
	/* before reading the EEPROM, reset the controller to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1114
	 * put the device in a known good starting state */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1115
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1116
	e1000_reset_hw(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1117
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1118
	/* make sure the EEPROM is good */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1119
	if (e1000_validate_eeprom_checksum(hw) < 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1120
		DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1121
		e1000_dump_eeprom(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1122
		/*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1123
		 * set MAC address to all zeroes to invalidate and temporary
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1124
		 * disable this device for the user. This blocks regular
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1125
		 * traffic while still permitting ethtool ioctls from reaching
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1126
		 * the hardware as well as allowing the user to run the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1127
		 * interface after manually setting a hw addr using
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1128
		 * `ip set address`
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1129
		 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1130
		memset(hw->mac_addr, 0, netdev->addr_len);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1131
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1132
		/* copy the MAC address out of the EEPROM */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1133
		if (e1000_read_mac_addr(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1134
			DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1135
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1136
	/* don't block initalization here due to bad MAC address */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1137
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1138
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1139
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1140
	if (!is_valid_ether_addr(netdev->perm_addr))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1141
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1142
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1143
	e1000_get_bus_info(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1144
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1145
	init_timer(&adapter->tx_fifo_stall_timer);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1146
	adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1147
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1148
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1149
	init_timer(&adapter->watchdog_timer);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1150
	adapter->watchdog_timer.function = &e1000_watchdog;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1151
	adapter->watchdog_timer.data = (unsigned long) adapter;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1152
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1153
	init_timer(&adapter->phy_info_timer);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1154
	adapter->phy_info_timer.function = &e1000_update_phy_info;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1155
	adapter->phy_info_timer.data = (unsigned long)adapter;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1156
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1157
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1158
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1159
	e1000_check_options(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1160
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1161
	/* Initial Wake on LAN setting
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1162
	 * If APM wake is enabled in the EEPROM,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1163
	 * enable the ACPI Magic Packet filter
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1164
	 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1165
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1166
	switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1167
	case e1000_82542_rev2_0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1168
	case e1000_82542_rev2_1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1169
	case e1000_82543:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1170
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1171
	case e1000_82544:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1172
		e1000_read_eeprom(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1173
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1174
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1175
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1176
	case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1177
		e1000_read_eeprom(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1178
			EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1179
		eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1180
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1181
	case e1000_82546:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1182
	case e1000_82546_rev_3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1183
	case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1184
	case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1185
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1186
			e1000_read_eeprom(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1187
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1188
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1189
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1190
		/* Fall Through */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1191
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1192
		e1000_read_eeprom(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1193
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1194
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1195
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1196
	if (eeprom_data & eeprom_apme_mask)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1197
		adapter->eeprom_wol |= E1000_WUFC_MAG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1198
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1199
	/* now that we have the eeprom settings, apply the special cases
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1200
	 * where the eeprom may be wrong or the board simply won't support
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1201
	 * wake on lan on a particular port */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1202
	switch (pdev->device) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1203
	case E1000_DEV_ID_82546GB_PCIE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1204
		adapter->eeprom_wol = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1205
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1206
	case E1000_DEV_ID_82546EB_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1207
	case E1000_DEV_ID_82546GB_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1208
	case E1000_DEV_ID_82571EB_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1209
		/* Wake events only supported on port A for dual fiber
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1210
		 * regardless of eeprom setting */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1211
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1212
			adapter->eeprom_wol = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1213
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1214
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1215
	case E1000_DEV_ID_82571EB_QUAD_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1216
	case E1000_DEV_ID_82571EB_QUAD_FIBER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1217
	case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1218
	case E1000_DEV_ID_82571PT_QUAD_COPPER:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1219
		/* if quad port adapter, disable WoL on all but port A */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1220
		if (global_quad_port_a != 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1221
			adapter->eeprom_wol = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1222
		else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1223
			adapter->quad_port_a = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1224
		/* Reset for multiple quad port adapters */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1225
		if (++global_quad_port_a == 4)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1226
			global_quad_port_a = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1227
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1228
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1229
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1230
	/* initialize the wol settings based on the eeprom settings */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1231
	adapter->wol = adapter->eeprom_wol;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1232
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1233
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1234
	/* print bus type/speed/width info */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1235
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1236
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1237
		 (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1238
		((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1239
		 (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1240
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1241
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1242
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1243
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1244
		 (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1245
		 (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1246
		 "32-bit"));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1247
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1248
	printk("%pM\n", netdev->dev_addr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1249
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1250
	if (hw->bus_type == e1000_bus_type_pci_express) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1251
		DPRINTK(PROBE, WARNING, "This device (id %04x:%04x) will no "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1252
			"longer be supported by this driver in the future.\n",
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1253
			pdev->vendor, pdev->device);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1254
		DPRINTK(PROBE, WARNING, "please use the \"e1000e\" "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1255
			"driver instead.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1256
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1257
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1258
	/* reset the hardware with the new settings */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1259
	e1000_reset(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1260
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1261
	/* If the controller is 82573 and f/w is AMT, do not set
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1262
	 * DRV_LOAD until the interface is up.  For all other cases,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1263
	 * let the f/w know that the h/w is now under the control
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1264
	 * of the driver. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1265
	if (hw->mac_type != e1000_82573 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1266
	    !e1000_check_mng_mode(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1267
		e1000_get_hw_control(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1268
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1269
 	// offer device to EtherCAT master module
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1270
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1271
	if (adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1272
		if (ecdev_open(adapter->ecdev)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1273
			ecdev_withdraw(adapter->ecdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1274
			goto err_register;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1275
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1276
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1277
		strcpy(netdev->name, "eth%d");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1278
		err = register_netdev(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1279
		if (err)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1280
			goto err_register;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1281
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1282
		/* carrier off reporting is important to ethtool even BEFORE open */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1283
		netif_carrier_off(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1284
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1285
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1286
	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1287
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1288
	cards_found++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1289
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1290
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1291
err_register:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1292
	e1000_release_hw_control(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1293
err_eeprom:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1294
	if (!e1000_check_phy_reset_block(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1295
		e1000_phy_hw_reset(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1296
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1297
	if (hw->flash_address)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1298
		iounmap(hw->flash_address);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1299
err_flashmap:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1300
	kfree(adapter->tx_ring);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1301
	kfree(adapter->rx_ring);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1302
err_sw_init:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1303
	iounmap(hw->hw_addr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1304
err_ioremap:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1305
	free_netdev(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1306
err_alloc_etherdev:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1307
	pci_release_selected_regions(pdev, bars);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1308
err_pci_reg:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1309
err_dma:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1310
	pci_disable_device(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1311
	return err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1312
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1313
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1314
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1315
 * e1000_remove - Device Removal Routine
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1316
 * @pdev: PCI device information struct
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1317
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1318
 * e1000_remove is called by the PCI subsystem to alert the driver
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1319
 * that it should release a PCI device.  The could be caused by a
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1320
 * Hot-Plug event, or because the driver is going to be removed from
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1321
 * memory.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1322
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1323
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1324
static void __devexit e1000_remove(struct pci_dev *pdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1325
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1326
	struct net_device *netdev = pci_get_drvdata(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1327
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1328
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1329
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1330
	cancel_work_sync(&adapter->reset_task);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1331
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1332
	e1000_release_manageability(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1333
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1334
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1335
	 * would have already happened in close and is redundant. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1336
	e1000_release_hw_control(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1337
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1338
	if (adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1339
		ecdev_close(adapter->ecdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1340
		ecdev_withdraw(adapter->ecdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1341
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1342
		unregister_netdev(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1343
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1344
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1345
	if (!e1000_check_phy_reset_block(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1346
		e1000_phy_hw_reset(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1347
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1348
	kfree(adapter->tx_ring);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1349
	kfree(adapter->rx_ring);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1350
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1351
	iounmap(hw->hw_addr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1352
	if (hw->flash_address)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1353
		iounmap(hw->flash_address);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1354
	pci_release_selected_regions(pdev, adapter->bars);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1355
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1356
	free_netdev(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1357
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1358
	pci_disable_device(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1359
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1360
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1361
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1362
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1363
 * @adapter: board private structure to initialize
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1364
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1365
 * e1000_sw_init initializes the Adapter private data structure.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1366
 * Fields are initialized based on PCI device information and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1367
 * OS network device settings (MTU size).
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1368
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1369
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1370
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1371
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1372
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1373
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1374
	struct pci_dev *pdev = adapter->pdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1375
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1376
	/* PCI config space info */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1377
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1378
	hw->vendor_id = pdev->vendor;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1379
	hw->device_id = pdev->device;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1380
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1381
	hw->subsystem_id = pdev->subsystem_device;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1382
	hw->revision_id = pdev->revision;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1383
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1384
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1385
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1386
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1387
	hw->max_frame_size = netdev->mtu +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1388
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1389
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1390
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1391
	/* identify the MAC */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1392
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1393
	if (e1000_set_mac_type(hw)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1394
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1395
		return -EIO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1396
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1397
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1398
	switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1399
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1400
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1401
	case e1000_82541:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1402
	case e1000_82547:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1403
	case e1000_82541_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1404
	case e1000_82547_rev_2:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1405
		hw->phy_init_script = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1406
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1407
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1408
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1409
	e1000_set_media_type(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1410
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1411
	hw->wait_autoneg_complete = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1412
	hw->tbi_compatibility_en = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1413
	hw->adaptive_ifs = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1414
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1415
	/* Copper options */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1416
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1417
	if (hw->media_type == e1000_media_type_copper) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1418
		hw->mdix = AUTO_ALL_MODES;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1419
		hw->disable_polarity_correction = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1420
		hw->master_slave = E1000_MASTER_SLAVE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1421
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1422
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1423
	adapter->num_tx_queues = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1424
	adapter->num_rx_queues = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1425
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1426
	if (e1000_alloc_queues(adapter)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1427
		DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1428
		return -ENOMEM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1429
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1430
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1431
	/* Explicitly disable IRQ since the NIC can be in any state. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1432
	e1000_irq_disable(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1433
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1434
	spin_lock_init(&adapter->stats_lock);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1435
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1436
	set_bit(__E1000_DOWN, &adapter->flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1437
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1438
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1439
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1440
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1441
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1442
 * e1000_alloc_queues - Allocate memory for all rings
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1443
 * @adapter: board private structure to initialize
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1444
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1445
 * We allocate one ring per queue at run-time since we don't know the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1446
 * number of queues at compile-time.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1447
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1448
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1449
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1450
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1451
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1452
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1453
	if (!adapter->tx_ring)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1454
		return -ENOMEM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1455
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1456
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1457
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1458
	if (!adapter->rx_ring) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1459
		kfree(adapter->tx_ring);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1460
		return -ENOMEM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1461
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1462
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1463
	return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1464
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1465
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1466
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1467
 * e1000_open - Called when a network interface is made active
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1468
 * @netdev: network interface device structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1469
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1470
 * Returns 0 on success, negative value on failure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1471
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1472
 * The open entry point is called when a network interface is made
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1473
 * active by the system (IFF_UP).  At this point all resources needed
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1474
 * for transmit and receive operations are allocated, the interrupt
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1475
 * handler is registered with the OS, the watchdog timer is started,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1476
 * and the stack is notified that the interface is ready.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1477
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1478
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1479
static int e1000_open(struct net_device *netdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1480
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1481
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1482
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1483
	int err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1484
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1485
	/* disallow open during test */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1486
	if (test_bit(__E1000_TESTING, &adapter->flags))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1487
		return -EBUSY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1488
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1489
	netif_carrier_off(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1490
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1491
	/* allocate transmit descriptors */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1492
	err = e1000_setup_all_tx_resources(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1493
	if (err)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1494
		goto err_setup_tx;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1495
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1496
	/* allocate receive descriptors */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1497
	err = e1000_setup_all_rx_resources(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1498
	if (err)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1499
		goto err_setup_rx;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1500
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1501
	e1000_power_up_phy(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1502
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1503
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1504
	if ((hw->mng_cookie.status &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1505
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1506
		e1000_update_mng_vlan(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1507
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1508
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1509
	/* If AMT is enabled, let the firmware know that the network
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1510
	 * interface is now open */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1511
	if (hw->mac_type == e1000_82573 &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1512
	    e1000_check_mng_mode(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1513
		e1000_get_hw_control(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1514
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1515
	/* before we allocate an interrupt, we must be ready to handle it.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1516
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1517
	 * as soon as we call pci_request_irq, so we have to setup our
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1518
	 * clean_rx handler before we do so.  */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1519
	e1000_configure(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1520
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1521
	err = e1000_request_irq(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1522
	if (err)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1523
		goto err_req_irq;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1524
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1525
	/* From here on the code is the same as e1000_up() */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1526
	clear_bit(__E1000_DOWN, &adapter->flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1527
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1528
	napi_enable(&adapter->napi);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1529
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1530
	e1000_irq_enable(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1531
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1532
	netif_start_queue(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1533
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1534
	/* fire a link status change interrupt to start the watchdog */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1535
	ew32(ICS, E1000_ICS_LSC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1536
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1537
	return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1538
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1539
err_req_irq:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1540
	e1000_release_hw_control(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1541
	e1000_power_down_phy(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1542
	e1000_free_all_rx_resources(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1543
err_setup_rx:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1544
	e1000_free_all_tx_resources(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1545
err_setup_tx:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1546
	e1000_reset(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1547
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1548
	return err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1549
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1550
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1551
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1552
 * e1000_close - Disables a network interface
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1553
 * @netdev: network interface device structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1554
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1555
 * Returns 0, this is not allowed to fail
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1556
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1557
 * The close entry point is called when an interface is de-activated
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1558
 * by the OS.  The hardware is still under the drivers control, but
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1559
 * needs to be disabled.  A global MAC reset is issued to stop the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1560
 * hardware, and all transmit and receive resources are freed.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1561
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1562
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1563
static int e1000_close(struct net_device *netdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1564
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1565
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1566
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1567
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1568
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1569
	e1000_down(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1570
	e1000_power_down_phy(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1571
	e1000_free_irq(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1572
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1573
	e1000_free_all_tx_resources(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1574
	e1000_free_all_rx_resources(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1575
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1576
	/* kill manageability vlan ID if supported, but not if a vlan with
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1577
	 * the same ID is registered on the host OS (let 8021q kill it) */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1578
	if ((hw->mng_cookie.status &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1579
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1580
	     !(adapter->vlgrp &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1581
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1582
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1583
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1584
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1585
	/* If AMT is enabled, let the firmware know that the network
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1586
	 * interface is now closed */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1587
	if (hw->mac_type == e1000_82573 &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1588
	    e1000_check_mng_mode(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1589
		e1000_release_hw_control(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1590
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1591
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1592
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1593
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1594
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1595
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1596
 * @adapter: address of board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1597
 * @start: address of beginning of memory
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1598
 * @len: length of memory
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1599
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1600
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1601
				  unsigned long len)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1602
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1603
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1604
	unsigned long begin = (unsigned long)start;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1605
	unsigned long end = begin + len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1606
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1607
	/* First rev 82545 and 82546 need to not allow any memory
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1608
	 * write location to cross 64k boundary due to errata 23 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1609
	if (hw->mac_type == e1000_82545 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1610
	    hw->mac_type == e1000_82546) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1611
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1612
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1613
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1614
	return true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1615
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1616
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1617
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1618
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1619
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1620
 * @txdr:    tx descriptor ring (for a specific queue) to setup
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1621
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1622
 * Return 0 on success, negative on failure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1623
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1624
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1625
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1626
				    struct e1000_tx_ring *txdr)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1627
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1628
	struct pci_dev *pdev = adapter->pdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1629
	int size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1630
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1631
	size = sizeof(struct e1000_buffer) * txdr->count;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1632
	txdr->buffer_info = vmalloc(size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1633
	if (!txdr->buffer_info) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1634
		DPRINTK(PROBE, ERR,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1635
		"Unable to allocate memory for the transmit descriptor ring\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1636
		return -ENOMEM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1637
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1638
	memset(txdr->buffer_info, 0, size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1639
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1640
	/* round up to nearest 4K */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1641
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1642
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1643
	txdr->size = ALIGN(txdr->size, 4096);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1644
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1645
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1646
	if (!txdr->desc) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1647
setup_tx_desc_die:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1648
		vfree(txdr->buffer_info);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1649
		DPRINTK(PROBE, ERR,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1650
		"Unable to allocate memory for the transmit descriptor ring\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1651
		return -ENOMEM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1652
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1653
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1654
	/* Fix for errata 23, can't cross 64kB boundary */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1655
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1656
		void *olddesc = txdr->desc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1657
		dma_addr_t olddma = txdr->dma;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1658
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1659
				     "at %p\n", txdr->size, txdr->desc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1660
		/* Try again, without freeing the previous */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1661
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1662
		/* Failed allocation, critical failure */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1663
		if (!txdr->desc) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1664
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1665
			goto setup_tx_desc_die;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1666
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1667
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1668
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1669
			/* give up */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1670
			pci_free_consistent(pdev, txdr->size, txdr->desc,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1671
					    txdr->dma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1672
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1673
			DPRINTK(PROBE, ERR,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1674
				"Unable to allocate aligned memory "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1675
				"for the transmit descriptor ring\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1676
			vfree(txdr->buffer_info);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1677
			return -ENOMEM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1678
		} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1679
			/* Free old allocation, new allocation was successful */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1680
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1681
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1682
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1683
	memset(txdr->desc, 0, txdr->size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1684
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1685
	txdr->next_to_use = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1686
	txdr->next_to_clean = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1687
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1688
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1689
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1690
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1691
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1692
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1693
 * 				  (Descriptors) for all queues
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1694
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1695
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1696
 * Return 0 on success, negative on failure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1697
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1698
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1699
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1700
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1701
	int i, err = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1702
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1703
	for (i = 0; i < adapter->num_tx_queues; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1704
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1705
		if (err) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1706
			DPRINTK(PROBE, ERR,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1707
				"Allocation for Tx Queue %u failed\n", i);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1708
			for (i-- ; i >= 0; i--)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1709
				e1000_free_tx_resources(adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1710
							&adapter->tx_ring[i]);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1711
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1712
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1713
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1714
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1715
	return err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1716
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1717
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1718
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1719
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1720
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1721
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1722
 * Configure the Tx unit of the MAC after a reset.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1723
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1724
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1725
static void e1000_configure_tx(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1726
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1727
	u64 tdba;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1728
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1729
	u32 tdlen, tctl, tipg, tarc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1730
	u32 ipgr1, ipgr2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1731
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1732
	/* Setup the HW Tx Head and Tail descriptor pointers */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1733
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1734
	switch (adapter->num_tx_queues) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1735
	case 1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1736
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1737
		tdba = adapter->tx_ring[0].dma;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1738
		tdlen = adapter->tx_ring[0].count *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1739
			sizeof(struct e1000_tx_desc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1740
		ew32(TDLEN, tdlen);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1741
		ew32(TDBAH, (tdba >> 32));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1742
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1743
		ew32(TDT, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1744
		ew32(TDH, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1745
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1746
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1747
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1748
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1749
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1750
	/* Set the default values for the Tx Inter Packet Gap timer */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1751
	if (hw->mac_type <= e1000_82547_rev_2 &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1752
	    (hw->media_type == e1000_media_type_fiber ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1753
	     hw->media_type == e1000_media_type_internal_serdes))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1754
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1755
	else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1756
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1757
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1758
	switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1759
	case e1000_82542_rev2_0:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1760
	case e1000_82542_rev2_1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1761
		tipg = DEFAULT_82542_TIPG_IPGT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1762
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1763
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1764
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1765
	case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1766
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1767
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1768
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1769
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1770
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1771
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1772
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1773
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1774
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1775
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1776
	ew32(TIPG, tipg);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1777
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1778
	/* Set the Tx Interrupt Delay register */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1779
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1780
	ew32(TIDV, adapter->tx_int_delay);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1781
	if (hw->mac_type >= e1000_82540)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1782
		ew32(TADV, adapter->tx_abs_int_delay);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1783
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1784
	/* Program the Transmit Control Register */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1785
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1786
	tctl = er32(TCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1787
	tctl &= ~E1000_TCTL_CT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1788
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1789
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1790
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1791
	if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1792
		tarc = er32(TARC0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1793
		/* set the speed mode bit, we'll clear it if we're not at
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1794
		 * gigabit link later */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1795
		tarc |= (1 << 21);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1796
		ew32(TARC0, tarc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1797
	} else if (hw->mac_type == e1000_80003es2lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1798
		tarc = er32(TARC0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1799
		tarc |= 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1800
		ew32(TARC0, tarc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1801
		tarc = er32(TARC1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1802
		tarc |= 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1803
		ew32(TARC1, tarc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1804
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1805
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1806
	e1000_config_collision_dist(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1807
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1808
	/* Setup Transmit Descriptor Settings for eop descriptor */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1809
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1810
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1811
	/* only set IDE if we are delaying interrupts using the timers */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1812
	if (adapter->tx_int_delay)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1813
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1814
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1815
	if (hw->mac_type < e1000_82543)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1816
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1817
	else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1818
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1819
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1820
	/* Cache if we're 82544 running in PCI-X because we'll
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1821
	 * need this to apply a workaround later in the send path. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1822
	if (hw->mac_type == e1000_82544 &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1823
	    hw->bus_type == e1000_bus_type_pcix)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1824
		adapter->pcix_82544 = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1825
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1826
	ew32(TCTL, tctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1827
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1828
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1829
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1830
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1831
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1832
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1833
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1834
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1835
 * Returns 0 on success, negative on failure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1836
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1837
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1838
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1839
				    struct e1000_rx_ring *rxdr)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1840
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1841
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1842
	struct pci_dev *pdev = adapter->pdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1843
	int size, desc_len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1844
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1845
	size = sizeof(struct e1000_buffer) * rxdr->count;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1846
	rxdr->buffer_info = vmalloc(size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1847
	if (!rxdr->buffer_info) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1848
		DPRINTK(PROBE, ERR,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1849
		"Unable to allocate memory for the receive descriptor ring\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1850
		return -ENOMEM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1851
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1852
	memset(rxdr->buffer_info, 0, size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1853
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1854
	if (hw->mac_type <= e1000_82547_rev_2)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1855
		desc_len = sizeof(struct e1000_rx_desc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1856
	else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1857
		desc_len = sizeof(union e1000_rx_desc_packet_split);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1858
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1859
	/* Round up to nearest 4K */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1860
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1861
	rxdr->size = rxdr->count * desc_len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1862
	rxdr->size = ALIGN(rxdr->size, 4096);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1863
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1864
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1865
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1866
	if (!rxdr->desc) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1867
		DPRINTK(PROBE, ERR,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1868
		"Unable to allocate memory for the receive descriptor ring\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1869
setup_rx_desc_die:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1870
		vfree(rxdr->buffer_info);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1871
		return -ENOMEM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1872
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1873
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1874
	/* Fix for errata 23, can't cross 64kB boundary */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1875
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1876
		void *olddesc = rxdr->desc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1877
		dma_addr_t olddma = rxdr->dma;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1878
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1879
				     "at %p\n", rxdr->size, rxdr->desc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1880
		/* Try again, without freeing the previous */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1881
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1882
		/* Failed allocation, critical failure */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1883
		if (!rxdr->desc) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1884
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1885
			DPRINTK(PROBE, ERR,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1886
				"Unable to allocate memory "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1887
				"for the receive descriptor ring\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1888
			goto setup_rx_desc_die;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1889
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1890
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1891
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1892
			/* give up */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1893
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1894
					    rxdr->dma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1895
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1896
			DPRINTK(PROBE, ERR,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1897
				"Unable to allocate aligned memory "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1898
				"for the receive descriptor ring\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1899
			goto setup_rx_desc_die;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1900
		} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1901
			/* Free old allocation, new allocation was successful */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1902
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1903
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1904
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1905
	memset(rxdr->desc, 0, rxdr->size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1906
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1907
	rxdr->next_to_clean = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1908
	rxdr->next_to_use = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1909
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1910
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1911
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1912
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1913
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1914
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1915
 * 				  (Descriptors) for all queues
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1916
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1917
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1918
 * Return 0 on success, negative on failure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1919
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1920
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1921
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1922
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1923
	int i, err = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1924
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1925
	for (i = 0; i < adapter->num_rx_queues; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1926
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1927
		if (err) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1928
			DPRINTK(PROBE, ERR,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1929
				"Allocation for Rx Queue %u failed\n", i);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1930
			for (i-- ; i >= 0; i--)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1931
				e1000_free_rx_resources(adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1932
							&adapter->rx_ring[i]);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1933
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1934
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1935
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1936
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1937
	return err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1938
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1939
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1940
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1941
 * e1000_setup_rctl - configure the receive control registers
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1942
 * @adapter: Board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1943
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1944
static void e1000_setup_rctl(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1945
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1946
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1947
	u32 rctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1948
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1949
	rctl = er32(RCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1950
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1951
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1952
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1953
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1954
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1955
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1956
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1957
	if (hw->tbi_compatibility_on == 1)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1958
		rctl |= E1000_RCTL_SBP;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1959
	else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1960
		rctl &= ~E1000_RCTL_SBP;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1961
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1962
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1963
		rctl &= ~E1000_RCTL_LPE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1964
	else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1965
		rctl |= E1000_RCTL_LPE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1966
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1967
	/* Setup buffer sizes */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1968
	rctl &= ~E1000_RCTL_SZ_4096;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1969
	rctl |= E1000_RCTL_BSEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1970
	switch (adapter->rx_buffer_len) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1971
		case E1000_RXBUFFER_256:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1972
			rctl |= E1000_RCTL_SZ_256;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1973
			rctl &= ~E1000_RCTL_BSEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1974
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1975
		case E1000_RXBUFFER_512:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1976
			rctl |= E1000_RCTL_SZ_512;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1977
			rctl &= ~E1000_RCTL_BSEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1978
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1979
		case E1000_RXBUFFER_1024:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1980
			rctl |= E1000_RCTL_SZ_1024;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1981
			rctl &= ~E1000_RCTL_BSEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1982
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1983
		case E1000_RXBUFFER_2048:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1984
		default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1985
			rctl |= E1000_RCTL_SZ_2048;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1986
			rctl &= ~E1000_RCTL_BSEX;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1987
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1988
		case E1000_RXBUFFER_4096:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1989
			rctl |= E1000_RCTL_SZ_4096;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1990
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1991
		case E1000_RXBUFFER_8192:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1992
			rctl |= E1000_RCTL_SZ_8192;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1993
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1994
		case E1000_RXBUFFER_16384:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1995
			rctl |= E1000_RCTL_SZ_16384;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1996
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1997
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1998
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1999
	ew32(RCTL, rctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2000
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2001
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2002
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2003
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2004
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2005
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2006
 * Configure the Rx unit of the MAC after a reset.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2007
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2008
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2009
static void e1000_configure_rx(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2010
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2011
	u64 rdba;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2012
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2013
	u32 rdlen, rctl, rxcsum, ctrl_ext;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2014
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2015
	rdlen = adapter->rx_ring[0].count *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2016
		sizeof(struct e1000_rx_desc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2017
	adapter->clean_rx = e1000_clean_rx_irq;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2018
	adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2019
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2020
	/* disable receives while setting up the descriptors */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2021
	rctl = er32(RCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2022
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2023
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2024
	/* set the Receive Delay Timer Register */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2025
	ew32(RDTR, adapter->rx_int_delay);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2026
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2027
	if (hw->mac_type >= e1000_82540) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2028
		ew32(RADV, adapter->rx_abs_int_delay);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2029
		if (adapter->itr_setting != 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2030
			ew32(ITR, 1000000000 / (adapter->itr * 256));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2031
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2032
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2033
	if (hw->mac_type >= e1000_82571) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2034
		ctrl_ext = er32(CTRL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2035
		/* Reset delay timers after every interrupt */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2036
		ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2037
		/* Auto-Mask interrupts upon ICR access */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2038
		ctrl_ext |= E1000_CTRL_EXT_IAME;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2039
		ew32(IAM, 0xffffffff);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2040
		ew32(CTRL_EXT, ctrl_ext);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2041
		E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2042
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2043
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2044
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2045
	 * the Base and Length of the Rx Descriptor Ring */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2046
	switch (adapter->num_rx_queues) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2047
	case 1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2048
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2049
		rdba = adapter->rx_ring[0].dma;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2050
		ew32(RDLEN, rdlen);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2051
		ew32(RDBAH, (rdba >> 32));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2052
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2053
		ew32(RDT, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2054
		ew32(RDH, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2055
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2056
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2057
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2058
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2059
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2060
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2061
	if (hw->mac_type >= e1000_82543) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2062
		rxcsum = er32(RXCSUM);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2063
		if (adapter->rx_csum)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2064
			rxcsum |= E1000_RXCSUM_TUOFL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2065
		else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2066
			/* don't need to clear IPPCSE as it defaults to 0 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2067
			rxcsum &= ~E1000_RXCSUM_TUOFL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2068
		ew32(RXCSUM, rxcsum);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2069
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2070
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2071
	/* Enable Receives */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2072
	ew32(RCTL, rctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2073
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2074
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2075
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2076
 * e1000_free_tx_resources - Free Tx Resources per Queue
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2077
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2078
 * @tx_ring: Tx descriptor ring for a specific queue
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2079
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2080
 * Free all transmit software resources
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2081
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2082
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2083
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2084
				    struct e1000_tx_ring *tx_ring)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2085
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2086
	struct pci_dev *pdev = adapter->pdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2087
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2088
	e1000_clean_tx_ring(adapter, tx_ring);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2089
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2090
	vfree(tx_ring->buffer_info);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2091
	tx_ring->buffer_info = NULL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2092
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2093
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2094
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2095
	tx_ring->desc = NULL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2096
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2097
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2098
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2099
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2100
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2101
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2102
 * Free all transmit software resources
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2103
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2104
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2105
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2106
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2107
	int i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2108
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2109
	for (i = 0; i < adapter->num_tx_queues; i++)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2110
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2111
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2112
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2113
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2114
					     struct e1000_buffer *buffer_info)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2115
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2116
	if (adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2117
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2118
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2119
	buffer_info->dma = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2120
	if (buffer_info->skb) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2121
		skb_dma_unmap(&adapter->pdev->dev, buffer_info->skb,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2122
		              DMA_TO_DEVICE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2123
		dev_kfree_skb_any(buffer_info->skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2124
		buffer_info->skb = NULL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2125
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2126
	buffer_info->time_stamp = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2127
	/* buffer_info must be completely set up in the transmit path */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2128
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2129
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2130
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2131
 * e1000_clean_tx_ring - Free Tx Buffers
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2132
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2133
 * @tx_ring: ring to be cleaned
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2134
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2135
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2136
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2137
				struct e1000_tx_ring *tx_ring)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2138
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2139
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2140
	struct e1000_buffer *buffer_info;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2141
	unsigned long size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2142
	unsigned int i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2143
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2144
	/* Free all the Tx ring sk_buffs */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2145
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2146
	for (i = 0; i < tx_ring->count; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2147
		buffer_info = &tx_ring->buffer_info[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2148
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2149
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2150
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2151
	size = sizeof(struct e1000_buffer) * tx_ring->count;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2152
	memset(tx_ring->buffer_info, 0, size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2153
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2154
	/* Zero out the descriptor ring */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2155
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2156
	memset(tx_ring->desc, 0, tx_ring->size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2157
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2158
	tx_ring->next_to_use = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2159
	tx_ring->next_to_clean = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2160
	tx_ring->last_tx_tso = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2161
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2162
	writel(0, hw->hw_addr + tx_ring->tdh);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2163
	writel(0, hw->hw_addr + tx_ring->tdt);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2164
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2165
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2166
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2167
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2168
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2169
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2170
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2171
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2172
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2173
	int i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2174
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2175
	for (i = 0; i < adapter->num_tx_queues; i++)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2176
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2177
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2178
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2179
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2180
 * e1000_free_rx_resources - Free Rx Resources
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2181
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2182
 * @rx_ring: ring to clean the resources from
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2183
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2184
 * Free all receive software resources
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2185
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2186
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2187
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2188
				    struct e1000_rx_ring *rx_ring)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2189
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2190
	struct pci_dev *pdev = adapter->pdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2191
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2192
	e1000_clean_rx_ring(adapter, rx_ring);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2193
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2194
	vfree(rx_ring->buffer_info);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2195
	rx_ring->buffer_info = NULL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2196
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2197
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2198
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2199
	rx_ring->desc = NULL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2200
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2201
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2202
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2203
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2204
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2205
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2206
 * Free all receive software resources
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2207
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2208
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2209
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2210
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2211
	int i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2212
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2213
	for (i = 0; i < adapter->num_rx_queues; i++)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2214
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2215
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2216
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2217
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2218
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2219
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2220
 * @rx_ring: ring to free buffers from
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2221
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2222
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2223
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2224
				struct e1000_rx_ring *rx_ring)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2225
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2226
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2227
	struct e1000_buffer *buffer_info;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2228
	struct pci_dev *pdev = adapter->pdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2229
	unsigned long size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2230
	unsigned int i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2231
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2232
	/* Free all the Rx ring sk_buffs */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2233
	for (i = 0; i < rx_ring->count; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2234
		buffer_info = &rx_ring->buffer_info[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2235
		if (buffer_info->dma) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2236
			pci_unmap_single(pdev,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2237
					 buffer_info->dma,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2238
					 buffer_info->length,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2239
					 PCI_DMA_FROMDEVICE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2240
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2241
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2242
		buffer_info->dma = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2243
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2244
		if (buffer_info->skb) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2245
			dev_kfree_skb(buffer_info->skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2246
			buffer_info->skb = NULL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2247
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2248
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2249
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2250
	size = sizeof(struct e1000_buffer) * rx_ring->count;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2251
	memset(rx_ring->buffer_info, 0, size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2252
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2253
	/* Zero out the descriptor ring */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2254
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2255
	memset(rx_ring->desc, 0, rx_ring->size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2256
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2257
	rx_ring->next_to_clean = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2258
	rx_ring->next_to_use = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2259
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2260
	writel(0, hw->hw_addr + rx_ring->rdh);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2261
	writel(0, hw->hw_addr + rx_ring->rdt);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2262
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2263
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2264
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2265
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2266
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2267
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2268
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2269
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2270
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2271
	int i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2272
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2273
	for (i = 0; i < adapter->num_rx_queues; i++)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2274
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2275
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2276
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2277
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2278
 * and memory write and invalidate disabled for certain operations
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2279
 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2280
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2281
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2282
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2283
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2284
	u32 rctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2285
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2286
	e1000_pci_clear_mwi(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2287
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2288
	rctl = er32(RCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2289
	rctl |= E1000_RCTL_RST;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2290
	ew32(RCTL, rctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2291
	E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2292
	mdelay(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2293
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2294
	if (!adapter->ecdev && netif_running(netdev))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2295
		e1000_clean_all_rx_rings(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2296
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2297
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2298
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2299
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2300
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2301
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2302
	u32 rctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2303
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2304
	rctl = er32(RCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2305
	rctl &= ~E1000_RCTL_RST;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2306
	ew32(RCTL, rctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2307
	E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2308
	mdelay(5);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2309
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2310
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2311
		e1000_pci_set_mwi(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2312
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2313
	if (!adapter->netdev && netif_running(netdev)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2314
		/* No need to loop, because 82542 supports only 1 queue */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2315
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2316
		e1000_configure_rx(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2317
		if (adapter->ecdev) { 
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2318
			/* fill rx ring completely! */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2319
			adapter->alloc_rx_buf(adapter, ring, ring->count);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2320
		} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2321
            /* this one leaves the last ring element unallocated! */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2322
			adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2323
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2324
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2325
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2326
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2327
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2328
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2329
 * e1000_set_mac - Change the Ethernet Address of the NIC
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2330
 * @netdev: network interface device structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2331
 * @p: pointer to an address structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2332
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2333
 * Returns 0 on success, negative on failure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2334
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2335
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2336
static int e1000_set_mac(struct net_device *netdev, void *p)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2337
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2338
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2339
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2340
	struct sockaddr *addr = p;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2341
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2342
	if (!is_valid_ether_addr(addr->sa_data))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2343
		return -EADDRNOTAVAIL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2344
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2345
	/* 82542 2.0 needs to be in reset to write receive address registers */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2346
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2347
	if (hw->mac_type == e1000_82542_rev2_0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2348
		e1000_enter_82542_rst(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2349
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2350
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2351
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2352
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2353
	e1000_rar_set(hw, hw->mac_addr, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2354
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2355
	/* With 82571 controllers, LAA may be overwritten (with the default)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2356
	 * due to controller reset from the other port. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2357
	if (hw->mac_type == e1000_82571) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2358
		/* activate the work around */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2359
		hw->laa_is_present = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2360
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2361
		/* Hold a copy of the LAA in RAR[14] This is done so that
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2362
		 * between the time RAR[0] gets clobbered  and the time it
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2363
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2364
		 * of the RARs and no incoming packets directed to this port
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2365
		 * are dropped. Eventaully the LAA will be in RAR[0] and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2366
		 * RAR[14] */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2367
		e1000_rar_set(hw, hw->mac_addr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2368
					E1000_RAR_ENTRIES - 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2369
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2370
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2371
	if (hw->mac_type == e1000_82542_rev2_0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2372
		e1000_leave_82542_rst(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2373
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2374
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2375
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2376
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2377
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2378
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2379
 * @netdev: network interface device structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2380
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2381
 * The set_rx_mode entry point is called whenever the unicast or multicast
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2382
 * address lists or the network interface flags are updated. This routine is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2383
 * responsible for configuring the hardware for proper unicast, multicast,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2384
 * promiscuous mode, and all-multi behavior.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2385
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2386
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2387
static void e1000_set_rx_mode(struct net_device *netdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2388
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2389
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2390
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2391
	struct netdev_hw_addr *ha;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2392
	bool use_uc = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2393
	struct dev_addr_list *mc_ptr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2394
	u32 rctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2395
	u32 hash_value;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2396
	int i, rar_entries = E1000_RAR_ENTRIES;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2397
	int mta_reg_count = (hw->mac_type == e1000_ich8lan) ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2398
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2399
				E1000_NUM_MTA_REGISTERS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2400
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2401
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2402
	if (!mcarray) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2403
		DPRINTK(PROBE, ERR, "memory allocation failed\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2404
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2405
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2406
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2407
	if (hw->mac_type == e1000_ich8lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2408
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2409
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2410
	/* reserve RAR[14] for LAA over-write work-around */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2411
	if (hw->mac_type == e1000_82571)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2412
		rar_entries--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2413
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2414
	/* Check for Promiscuous and All Multicast modes */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2415
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2416
	rctl = er32(RCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2417
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2418
	if (netdev->flags & IFF_PROMISC) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2419
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2420
		rctl &= ~E1000_RCTL_VFE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2421
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2422
		if (netdev->flags & IFF_ALLMULTI) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2423
			rctl |= E1000_RCTL_MPE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2424
		} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2425
			rctl &= ~E1000_RCTL_MPE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2426
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2427
		if (adapter->hw.mac_type != e1000_ich8lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2428
			rctl |= E1000_RCTL_VFE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2429
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2430
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2431
	if (netdev->uc.count > rar_entries - 1) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2432
		rctl |= E1000_RCTL_UPE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2433
	} else if (!(netdev->flags & IFF_PROMISC)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2434
		rctl &= ~E1000_RCTL_UPE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2435
		use_uc = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2436
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2437
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2438
	ew32(RCTL, rctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2439
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2440
	/* 82542 2.0 needs to be in reset to write receive address registers */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2441
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2442
	if (hw->mac_type == e1000_82542_rev2_0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2443
		e1000_enter_82542_rst(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2444
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2445
	/* load the first 14 addresses into the exact filters 1-14. Unicast
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2446
	 * addresses take precedence to avoid disabling unicast filtering
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2447
	 * when possible.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2448
	 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2449
	 * RAR 0 is used for the station MAC adddress
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2450
	 * if there are not 14 addresses, go ahead and clear the filters
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2451
	 * -- with 82571 controllers only 0-13 entries are filled here
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2452
	 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2453
	i = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2454
	if (use_uc)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2455
		list_for_each_entry(ha, &netdev->uc.list, list) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2456
			if (i == rar_entries)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2457
				break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2458
			e1000_rar_set(hw, ha->addr, i++);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2459
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2460
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2461
	WARN_ON(i == rar_entries);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2462
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2463
	mc_ptr = netdev->mc_list;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2464
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2465
	for (; i < rar_entries; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2466
		if (mc_ptr) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2467
			e1000_rar_set(hw, mc_ptr->da_addr, i);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2468
			mc_ptr = mc_ptr->next;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2469
		} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2470
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2471
			E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2472
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2473
			E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2474
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2475
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2476
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2477
	/* load any remaining addresses into the hash table */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2478
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2479
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2480
		u32 hash_reg, hash_bit, mta;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2481
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2482
		hash_reg = (hash_value >> 5) & 0x7F;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2483
		hash_bit = hash_value & 0x1F;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2484
		mta = (1 << hash_bit);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2485
		mcarray[hash_reg] |= mta;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2486
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2487
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2488
	/* write the hash table completely, write from bottom to avoid
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2489
	 * both stupid write combining chipsets, and flushing each write */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2490
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2491
		/*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2492
		 * If we are on an 82544 has an errata where writing odd
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2493
		 * offsets overwrites the previous even offset, but writing
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2494
		 * backwards over the range solves the issue by always
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2495
		 * writing the odd offset first
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2496
		 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2497
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2498
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2499
	E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2500
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2501
	if (hw->mac_type == e1000_82542_rev2_0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2502
		e1000_leave_82542_rst(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2503
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2504
	kfree(mcarray);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2505
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2506
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2507
/* Need to wait a few seconds after link up to get diagnostic information from
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2508
 * the phy */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2509
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2510
static void e1000_update_phy_info(unsigned long data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2511
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2512
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2513
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2514
	e1000_phy_get_info(hw, &adapter->phy_info);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2515
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2516
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2517
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2518
 * e1000_82547_tx_fifo_stall - Timer Call-back
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2519
 * @data: pointer to adapter cast into an unsigned long
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2520
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2521
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2522
static void e1000_82547_tx_fifo_stall(unsigned long data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2523
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2524
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2525
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2526
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2527
	u32 tctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2528
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2529
	if (atomic_read(&adapter->tx_fifo_stall)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2530
		if ((er32(TDT) == er32(TDH)) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2531
		   (er32(TDFT) == er32(TDFH)) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2532
		   (er32(TDFTS) == er32(TDFHS))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2533
			tctl = er32(TCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2534
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2535
			ew32(TDFT, adapter->tx_head_addr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2536
			ew32(TDFH, adapter->tx_head_addr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2537
			ew32(TDFTS, adapter->tx_head_addr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2538
			ew32(TDFHS, adapter->tx_head_addr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2539
			ew32(TCTL, tctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2540
			E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2541
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2542
			adapter->tx_fifo_head = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2543
			atomic_set(&adapter->tx_fifo_stall, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2544
			if (!adapter->ecdev) 
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2545
				netif_wake_queue(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2546
		} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2547
			if (!adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2548
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2549
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2550
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2551
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2552
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2553
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2554
 * e1000_watchdog - Timer Call-back
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2555
 * @data: pointer to adapter cast into an unsigned long
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2556
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2557
static void e1000_watchdog(unsigned long data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2558
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2559
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2560
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2561
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2562
	struct e1000_tx_ring *txdr = adapter->tx_ring;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2563
	u32 link, tctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2564
	s32 ret_val;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2565
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2566
	ret_val = e1000_check_for_link(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2567
	if ((ret_val == E1000_ERR_PHY) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2568
	    (hw->phy_type == e1000_phy_igp_3) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2569
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2570
		/* See e1000_kumeran_lock_loss_workaround() */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2571
		DPRINTK(LINK, INFO,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2572
			"Gigabit has been disabled, downgrading speed\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2573
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2574
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2575
	if (hw->mac_type == e1000_82573) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2576
		e1000_enable_tx_pkt_filtering(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2577
		if (adapter->mng_vlan_id != hw->mng_cookie.vlan_id)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2578
			e1000_update_mng_vlan(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2579
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2580
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2581
	if ((hw->media_type == e1000_media_type_internal_serdes) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2582
	   !(er32(TXCW) & E1000_TXCW_ANE))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2583
		link = !hw->serdes_link_down;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2584
	else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2585
		link = er32(STATUS) & E1000_STATUS_LU;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2586
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2587
	if (link) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2588
		if ( (adapter->ecdev && !ecdev_get_link(adapter->ecdev))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2589
				|| (!adapter->ecdev && !netif_carrier_ok(netdev)) ) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2590
			u32 ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2591
			bool txb2b = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2592
			e1000_get_speed_and_duplex(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2593
			                           &adapter->link_speed,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2594
			                           &adapter->link_duplex);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2595
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2596
			ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2597
			printk(KERN_INFO "e1000: %s NIC Link is Up %d Mbps %s, "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2598
			       "Flow Control: %s\n",
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2599
			       netdev->name,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2600
			       adapter->link_speed,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2601
			       adapter->link_duplex == FULL_DUPLEX ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2602
			        "Full Duplex" : "Half Duplex",
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2603
			        ((ctrl & E1000_CTRL_TFCE) && (ctrl &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2604
			        E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2605
			        E1000_CTRL_RFCE) ? "RX" : ((ctrl &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2606
			        E1000_CTRL_TFCE) ? "TX" : "None" )));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2607
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2608
			/* tweak tx_queue_len according to speed/duplex
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2609
			 * and adjust the timeout factor */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2610
			netdev->tx_queue_len = adapter->tx_queue_len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2611
			adapter->tx_timeout_factor = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2612
			switch (adapter->link_speed) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2613
			case SPEED_10:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2614
				txb2b = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2615
				netdev->tx_queue_len = 10;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2616
				adapter->tx_timeout_factor = 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2617
				break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2618
			case SPEED_100:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2619
				txb2b = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2620
				netdev->tx_queue_len = 100;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2621
				/* maybe add some timeout factor ? */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2622
				break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2623
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2624
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2625
			if ((hw->mac_type == e1000_82571 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2626
			     hw->mac_type == e1000_82572) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2627
			    !txb2b) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2628
				u32 tarc0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2629
				tarc0 = er32(TARC0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2630
				tarc0 &= ~(1 << 21);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2631
				ew32(TARC0, tarc0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2632
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2633
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2634
			/* disable TSO for pcie and 10/100 speeds, to avoid
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2635
			 * some hardware issues */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2636
			if (!adapter->tso_force &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2637
			    hw->bus_type == e1000_bus_type_pci_express){
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2638
				switch (adapter->link_speed) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2639
				case SPEED_10:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2640
				case SPEED_100:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2641
					DPRINTK(PROBE,INFO,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2642
				        "10/100 speed: disabling TSO\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2643
					netdev->features &= ~NETIF_F_TSO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2644
					netdev->features &= ~NETIF_F_TSO6;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2645
					break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2646
				case SPEED_1000:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2647
					netdev->features |= NETIF_F_TSO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2648
					netdev->features |= NETIF_F_TSO6;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2649
					break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2650
				default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2651
					/* oops */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2652
					break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2653
				}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2654
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2655
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2656
			/* enable transmits in the hardware, need to do this
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2657
			 * after setting TARC0 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2658
			tctl = er32(TCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2659
			tctl |= E1000_TCTL_EN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2660
			ew32(TCTL, tctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2661
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2662
			if (adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2663
				ecdev_set_link(adapter->ecdev, 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2664
			} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2665
				netif_carrier_on(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2666
				mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2667
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2668
			adapter->smartspeed = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2669
		} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2670
			/* make sure the receive unit is started */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2671
			if (hw->rx_needs_kicking) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2672
				u32 rctl = er32(RCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2673
				ew32(RCTL, rctl | E1000_RCTL_EN);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2674
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2675
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2676
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2677
		if ( (adapter->ecdev && ecdev_get_link(adapter->ecdev))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2678
				|| (!adapter->ecdev && netif_carrier_ok(netdev)) ) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2679
			adapter->link_speed = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2680
			adapter->link_duplex = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2681
			printk(KERN_INFO "e1000: %s NIC Link is Down\n",
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2682
			       netdev->name);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2683
			if (adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2684
				ecdev_set_link(adapter->ecdev, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2685
			} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2686
				netif_carrier_off(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2687
				mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2688
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2689
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2690
			/* 80003ES2LAN workaround--
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2691
			 * For packet buffer work-around on link down event;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2692
			 * disable receives in the ISR and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2693
			 * reset device here in the watchdog
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2694
			 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2695
			if (hw->mac_type == e1000_80003es2lan)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2696
				/* reset device */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2697
				schedule_work(&adapter->reset_task);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2698
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2699
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2700
		e1000_smartspeed(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2701
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2702
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2703
	e1000_update_stats(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2704
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2705
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2706
	adapter->tpt_old = adapter->stats.tpt;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2707
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2708
	adapter->colc_old = adapter->stats.colc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2709
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2710
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2711
	adapter->gorcl_old = adapter->stats.gorcl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2712
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2713
	adapter->gotcl_old = adapter->stats.gotcl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2714
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2715
	e1000_update_adaptive(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2716
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2717
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2718
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2719
			/* We've lost link, so the controller stops DMA,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2720
			 * but we've got queued Tx work that's never going
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2721
			 * to get done, so reset controller to flush Tx.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2722
			 * (Do the reset outside of interrupt context). */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2723
			adapter->tx_timeout_count++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2724
			schedule_work(&adapter->reset_task);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2725
			/* return immediately since reset is imminent */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2726
			return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2727
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2728
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2729
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2730
	/* Cause software interrupt to ensure rx ring is cleaned */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2731
	ew32(ICS, E1000_ICS_RXDMT0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2732
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2733
	/* Force detection of hung controller every watchdog period */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2734
	if (!adapter->ecdev) adapter->detect_tx_hung = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2735
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2736
	/* With 82571 controllers, LAA may be overwritten due to controller
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2737
	 * reset from the other port. Set the appropriate LAA in RAR[0] */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2738
	if (hw->mac_type == e1000_82571 && hw->laa_is_present)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2739
		e1000_rar_set(hw, hw->mac_addr, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2740
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2741
	/* Reset the timer */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2742
	if (!adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2743
		mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 2 * HZ));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2744
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2745
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2746
enum latency_range {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2747
	lowest_latency = 0,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2748
	low_latency = 1,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2749
	bulk_latency = 2,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2750
	latency_invalid = 255
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2751
};
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2752
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2753
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2754
 * e1000_update_itr - update the dynamic ITR value based on statistics
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2755
 *      Stores a new ITR value based on packets and byte
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2756
 *      counts during the last interrupt.  The advantage of per interrupt
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2757
 *      computation is faster updates and more accurate ITR for the current
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2758
 *      traffic pattern.  Constants in this function were computed
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2759
 *      based on theoretical maximum wire speed and thresholds were set based
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2760
 *      on testing data as well as attempting to minimize response time
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2761
 *      while increasing bulk throughput.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2762
 *      this functionality is controlled by the InterruptThrottleRate module
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2763
 *      parameter (see e1000_param.c)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2764
 * @adapter: pointer to adapter
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2765
 * @itr_setting: current adapter->itr
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2766
 * @packets: the number of packets during this measurement interval
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2767
 * @bytes: the number of bytes during this measurement interval
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2768
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2769
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2770
				     u16 itr_setting, int packets, int bytes)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2771
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2772
	unsigned int retval = itr_setting;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2773
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2774
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2775
	if (unlikely(hw->mac_type < e1000_82540))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2776
		goto update_itr_done;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2777
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2778
	if (packets == 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2779
		goto update_itr_done;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2780
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2781
	switch (itr_setting) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2782
	case lowest_latency:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2783
		/* jumbo frames get bulk treatment*/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2784
		if (bytes/packets > 8000)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2785
			retval = bulk_latency;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2786
		else if ((packets < 5) && (bytes > 512))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2787
			retval = low_latency;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2788
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2789
	case low_latency:  /* 50 usec aka 20000 ints/s */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2790
		if (bytes > 10000) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2791
			/* jumbo frames need bulk latency setting */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2792
			if (bytes/packets > 8000)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2793
				retval = bulk_latency;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2794
			else if ((packets < 10) || ((bytes/packets) > 1200))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2795
				retval = bulk_latency;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2796
			else if ((packets > 35))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2797
				retval = lowest_latency;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2798
		} else if (bytes/packets > 2000)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2799
			retval = bulk_latency;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2800
		else if (packets <= 2 && bytes < 512)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2801
			retval = lowest_latency;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2802
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2803
	case bulk_latency: /* 250 usec aka 4000 ints/s */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2804
		if (bytes > 25000) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2805
			if (packets > 35)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2806
				retval = low_latency;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2807
		} else if (bytes < 6000) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2808
			retval = low_latency;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2809
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2810
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2811
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2812
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2813
update_itr_done:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2814
	return retval;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2815
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2816
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2817
static void e1000_set_itr(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2818
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2819
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2820
	u16 current_itr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2821
	u32 new_itr = adapter->itr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2822
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2823
	if (unlikely(hw->mac_type < e1000_82540))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2824
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2825
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2826
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2827
	if (unlikely(adapter->link_speed != SPEED_1000)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2828
		current_itr = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2829
		new_itr = 4000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2830
		goto set_itr_now;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2831
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2832
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2833
	adapter->tx_itr = e1000_update_itr(adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2834
	                            adapter->tx_itr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2835
	                            adapter->total_tx_packets,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2836
	                            adapter->total_tx_bytes);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2837
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2838
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2839
		adapter->tx_itr = low_latency;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2840
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2841
	adapter->rx_itr = e1000_update_itr(adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2842
	                            adapter->rx_itr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2843
	                            adapter->total_rx_packets,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2844
	                            adapter->total_rx_bytes);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2845
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2846
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2847
		adapter->rx_itr = low_latency;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2848
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2849
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2850
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2851
	switch (current_itr) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2852
	/* counts and packets in update_itr are dependent on these numbers */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2853
	case lowest_latency:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2854
		new_itr = 70000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2855
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2856
	case low_latency:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2857
		new_itr = 20000; /* aka hwitr = ~200 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2858
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2859
	case bulk_latency:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2860
		new_itr = 4000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2861
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2862
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2863
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2864
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2865
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2866
set_itr_now:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2867
	if (new_itr != adapter->itr) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2868
		/* this attempts to bias the interrupt rate towards Bulk
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2869
		 * by adding intermediate steps when interrupt rate is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2870
		 * increasing */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2871
		new_itr = new_itr > adapter->itr ?
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2872
		             min(adapter->itr + (new_itr >> 2), new_itr) :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2873
		             new_itr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2874
		adapter->itr = new_itr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2875
		ew32(ITR, 1000000000 / (new_itr * 256));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2876
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2877
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2878
	return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2879
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2880
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2881
#define E1000_TX_FLAGS_CSUM		0x00000001
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2882
#define E1000_TX_FLAGS_VLAN		0x00000002
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2883
#define E1000_TX_FLAGS_TSO		0x00000004
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2884
#define E1000_TX_FLAGS_IPV4		0x00000008
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2885
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2886
#define E1000_TX_FLAGS_VLAN_SHIFT	16
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2887
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2888
static int e1000_tso(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2889
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2890
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2891
	struct e1000_context_desc *context_desc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2892
	struct e1000_buffer *buffer_info;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2893
	unsigned int i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2894
	u32 cmd_length = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2895
	u16 ipcse = 0, tucse, mss;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2896
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2897
	int err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2898
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2899
	if (skb_is_gso(skb)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2900
		if (skb_header_cloned(skb)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2901
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2902
			if (err)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2903
				return err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2904
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2905
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2906
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2907
		mss = skb_shinfo(skb)->gso_size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2908
		if (skb->protocol == htons(ETH_P_IP)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2909
			struct iphdr *iph = ip_hdr(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2910
			iph->tot_len = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2911
			iph->check = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2912
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2913
								 iph->daddr, 0,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2914
								 IPPROTO_TCP,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2915
								 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2916
			cmd_length = E1000_TXD_CMD_IP;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2917
			ipcse = skb_transport_offset(skb) - 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2918
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2919
			ipv6_hdr(skb)->payload_len = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2920
			tcp_hdr(skb)->check =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2921
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2922
						 &ipv6_hdr(skb)->daddr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2923
						 0, IPPROTO_TCP, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2924
			ipcse = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2925
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2926
		ipcss = skb_network_offset(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2927
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2928
		tucss = skb_transport_offset(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2929
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2930
		tucse = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2931
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2932
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2933
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2934
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2935
		i = tx_ring->next_to_use;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2936
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2937
		buffer_info = &tx_ring->buffer_info[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2938
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2939
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2940
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2941
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2942
		context_desc->upper_setup.tcp_fields.tucss = tucss;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2943
		context_desc->upper_setup.tcp_fields.tucso = tucso;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2944
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2945
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2946
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2947
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2948
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2949
		buffer_info->time_stamp = jiffies;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2950
		buffer_info->next_to_watch = i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2951
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2952
		if (++i == tx_ring->count) i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2953
		tx_ring->next_to_use = i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2954
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2955
		return true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2956
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2957
	return false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2958
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2959
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2960
static bool e1000_tx_csum(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2961
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2962
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2963
	struct e1000_context_desc *context_desc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2964
	struct e1000_buffer *buffer_info;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2965
	unsigned int i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2966
	u8 css;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2967
	u32 cmd_len = E1000_TXD_CMD_DEXT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2968
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2969
	if (skb->ip_summed != CHECKSUM_PARTIAL)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2970
		return false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2971
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2972
	switch (skb->protocol) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2973
	case cpu_to_be16(ETH_P_IP):
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2974
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2975
			cmd_len |= E1000_TXD_CMD_TCP;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2976
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2977
	case cpu_to_be16(ETH_P_IPV6):
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2978
		/* XXX not handling all IPV6 headers */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2979
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2980
			cmd_len |= E1000_TXD_CMD_TCP;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2981
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2982
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2983
		if (unlikely(net_ratelimit()))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2984
			DPRINTK(DRV, WARNING,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2985
			        "checksum_partial proto=%x!\n", skb->protocol);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2986
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2987
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2988
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2989
	css = skb_transport_offset(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2990
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2991
	i = tx_ring->next_to_use;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2992
	buffer_info = &tx_ring->buffer_info[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2993
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2994
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2995
	context_desc->lower_setup.ip_config = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2996
	context_desc->upper_setup.tcp_fields.tucss = css;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2997
	context_desc->upper_setup.tcp_fields.tucso =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2998
		css + skb->csum_offset;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2999
	context_desc->upper_setup.tcp_fields.tucse = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3000
	context_desc->tcp_seg_setup.data = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3001
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3002
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3003
	buffer_info->time_stamp = jiffies;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3004
	buffer_info->next_to_watch = i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3005
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3006
	if (unlikely(++i == tx_ring->count)) i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3007
	tx_ring->next_to_use = i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3008
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3009
	return true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3010
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3011
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3012
#define E1000_MAX_TXD_PWR	12
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3013
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3014
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3015
static int e1000_tx_map(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3016
			struct e1000_tx_ring *tx_ring,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3017
			struct sk_buff *skb, unsigned int first,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3018
			unsigned int max_per_txd, unsigned int nr_frags,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3019
			unsigned int mss)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3020
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3021
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3022
	struct e1000_buffer *buffer_info;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3023
	unsigned int len = skb_headlen(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3024
	unsigned int offset, size, count = 0, i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3025
	unsigned int f;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3026
	dma_addr_t *map;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3027
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3028
	i = tx_ring->next_to_use;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3029
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3030
	if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3031
		dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3032
		return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3033
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3034
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3035
	map = skb_shinfo(skb)->dma_maps;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3036
	offset = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3037
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3038
	while (len) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3039
		buffer_info = &tx_ring->buffer_info[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3040
		size = min(len, max_per_txd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3041
		/* Workaround for Controller erratum --
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3042
		 * descriptor for non-tso packet in a linear SKB that follows a
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3043
		 * tso gets written back prematurely before the data is fully
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3044
		 * DMA'd to the controller */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3045
		if (!skb->data_len && tx_ring->last_tx_tso &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3046
		    !skb_is_gso(skb)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3047
			tx_ring->last_tx_tso = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3048
			size -= 4;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3049
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3050
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3051
		/* Workaround for premature desc write-backs
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3052
		 * in TSO mode.  Append 4-byte sentinel desc */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3053
		if (unlikely(mss && !nr_frags && size == len && size > 8))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3054
			size -= 4;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3055
		/* work-around for errata 10 and it applies
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3056
		 * to all controllers in PCI-X mode
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3057
		 * The fix is to make sure that the first descriptor of a
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3058
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3059
		 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3060
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3061
		                (size > 2015) && count == 0))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3062
		        size = 2015;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3063
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3064
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3065
		 * terminating buffers within evenly-aligned dwords. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3066
		if (unlikely(adapter->pcix_82544 &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3067
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3068
		   size > 4))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3069
			size -= 4;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3070
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3071
		buffer_info->length = size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3072
		buffer_info->dma = skb_shinfo(skb)->dma_head + offset;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3073
		buffer_info->time_stamp = jiffies;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3074
		buffer_info->next_to_watch = i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3075
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3076
		len -= size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3077
		offset += size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3078
		count++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3079
		if (len) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3080
			i++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3081
			if (unlikely(i == tx_ring->count))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3082
				i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3083
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3084
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3085
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3086
	for (f = 0; f < nr_frags; f++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3087
		struct skb_frag_struct *frag;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3088
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3089
		frag = &skb_shinfo(skb)->frags[f];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3090
		len = frag->size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3091
		offset = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3092
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3093
		while (len) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3094
			i++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3095
			if (unlikely(i == tx_ring->count))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3096
				i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3097
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3098
			buffer_info = &tx_ring->buffer_info[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3099
			size = min(len, max_per_txd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3100
			/* Workaround for premature desc write-backs
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3101
			 * in TSO mode.  Append 4-byte sentinel desc */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3102
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3103
				size -= 4;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3104
			/* Workaround for potential 82544 hang in PCI-X.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3105
			 * Avoid terminating buffers within evenly-aligned
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3106
			 * dwords. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3107
			if (unlikely(adapter->pcix_82544 &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3108
			   !((unsigned long)(frag->page+offset+size-1) & 4) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3109
			   size > 4))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3110
				size -= 4;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3111
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3112
			buffer_info->length = size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3113
			buffer_info->dma = map[f] + offset;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3114
			buffer_info->time_stamp = jiffies;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3115
			buffer_info->next_to_watch = i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3116
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3117
			len -= size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3118
			offset += size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3119
			count++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3120
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3121
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3122
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3123
	tx_ring->buffer_info[i].skb = skb;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3124
	tx_ring->buffer_info[first].next_to_watch = i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3125
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3126
	return count;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3127
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3128
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3129
static void e1000_tx_queue(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3130
			   struct e1000_tx_ring *tx_ring, int tx_flags,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3131
			   int count)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3132
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3133
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3134
	struct e1000_tx_desc *tx_desc = NULL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3135
	struct e1000_buffer *buffer_info;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3136
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3137
	unsigned int i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3138
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3139
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3140
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3141
		             E1000_TXD_CMD_TSE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3142
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3143
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3144
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3145
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3146
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3147
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3148
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3149
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3150
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3151
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3152
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3153
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3154
		txd_lower |= E1000_TXD_CMD_VLE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3155
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3156
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3157
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3158
	i = tx_ring->next_to_use;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3159
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3160
	while (count--) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3161
		buffer_info = &tx_ring->buffer_info[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3162
		tx_desc = E1000_TX_DESC(*tx_ring, i);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3163
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3164
		tx_desc->lower.data =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3165
			cpu_to_le32(txd_lower | buffer_info->length);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3166
		tx_desc->upper.data = cpu_to_le32(txd_upper);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3167
		if (unlikely(++i == tx_ring->count)) i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3168
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3169
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3170
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3171
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3172
	/* Force memory writes to complete before letting h/w
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3173
	 * know there are new descriptors to fetch.  (Only
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3174
	 * applicable for weak-ordered memory model archs,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3175
	 * such as IA-64). */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3176
	wmb();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3177
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3178
	tx_ring->next_to_use = i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3179
	writel(i, hw->hw_addr + tx_ring->tdt);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3180
	/* we need this if more than one processor can write to our tail
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3181
	 * at a time, it syncronizes IO on IA64/Altix systems */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3182
	mmiowb();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3183
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3184
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3185
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3186
 * 82547 workaround to avoid controller hang in half-duplex environment.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3187
 * The workaround is to avoid queuing a large packet that would span
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3188
 * the internal Tx FIFO ring boundary by notifying the stack to resend
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3189
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3190
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3191
 * to the beginning of the Tx FIFO.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3192
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3193
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3194
#define E1000_FIFO_HDR			0x10
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3195
#define E1000_82547_PAD_LEN		0x3E0
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3196
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3197
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3198
				       struct sk_buff *skb)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3199
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3200
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3201
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3202
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3203
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3204
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3205
	if (adapter->link_duplex != HALF_DUPLEX)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3206
		goto no_fifo_stall_required;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3207
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3208
	if (atomic_read(&adapter->tx_fifo_stall))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3209
		return 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3210
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3211
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3212
		atomic_set(&adapter->tx_fifo_stall, 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3213
		return 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3214
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3215
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3216
no_fifo_stall_required:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3217
	adapter->tx_fifo_head += skb_fifo_len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3218
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3219
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3220
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3221
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3222
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3223
#define MINIMUM_DHCP_PACKET_SIZE 282
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3224
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3225
				    struct sk_buff *skb)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3226
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3227
	struct e1000_hw *hw =  &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3228
	u16 length, offset;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3229
	if (vlan_tx_tag_present(skb)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3230
		if (!((vlan_tx_tag_get(skb) == hw->mng_cookie.vlan_id) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3231
			( hw->mng_cookie.status &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3232
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3233
			return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3234
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3235
	if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3236
		struct ethhdr *eth = (struct ethhdr *)skb->data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3237
		if ((htons(ETH_P_IP) == eth->h_proto)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3238
			const struct iphdr *ip =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3239
				(struct iphdr *)((u8 *)skb->data+14);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3240
			if (IPPROTO_UDP == ip->protocol) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3241
				struct udphdr *udp =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3242
					(struct udphdr *)((u8 *)ip +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3243
						(ip->ihl << 2));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3244
				if (ntohs(udp->dest) == 67) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3245
					offset = (u8 *)udp + 8 - skb->data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3246
					length = skb->len - offset;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3247
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3248
					return e1000_mng_write_dhcp_info(hw,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3249
							(u8 *)udp + 8,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3250
							length);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3251
				}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3252
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3253
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3254
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3255
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3256
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3257
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3258
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3259
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3260
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3261
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3262
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3263
	netif_stop_queue(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3264
	/* Herbert's original patch had:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3265
	 *  smp_mb__after_netif_stop_queue();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3266
	 * but since that doesn't exist yet, just open code it. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3267
	smp_mb();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3268
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3269
	/* We need to check again in a case another CPU has just
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3270
	 * made room available. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3271
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3272
		return -EBUSY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3273
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3274
	/* A reprieve! */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3275
	netif_start_queue(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3276
	++adapter->restart_queue;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3277
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3278
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3279
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3280
static int e1000_maybe_stop_tx(struct net_device *netdev,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3281
                               struct e1000_tx_ring *tx_ring, int size)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3282
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3283
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3284
		return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3285
	return __e1000_maybe_stop_tx(netdev, size);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3286
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3287
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3288
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3289
static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3290
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3291
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3292
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3293
	struct e1000_tx_ring *tx_ring;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3294
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3295
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3296
	unsigned int tx_flags = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3297
	unsigned int len = skb->len - skb->data_len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3298
	unsigned int nr_frags = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3299
	unsigned int mss = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3300
	int count = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3301
	int tso;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3302
	unsigned int f;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3303
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3304
	/* This goes back to the question of how to logically map a tx queue
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3305
	 * to a flow.  Right now, performance is impacted slightly negatively
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3306
	 * if using multiple tx queues.  If the stack breaks away from a
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3307
	 * single qdisc implementation, we can look at this again. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3308
	tx_ring = adapter->tx_ring;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3309
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3310
	if (unlikely(skb->len <= 0)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3311
		if (!adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3312
			dev_kfree_skb_any(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3313
		return NETDEV_TX_OK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3314
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3315
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3316
	/* 82571 and newer doesn't need the workaround that limited descriptor
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3317
	 * length to 4kB */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3318
	if (hw->mac_type >= e1000_82571)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3319
		max_per_txd = 8192;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3320
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3321
	mss = skb_shinfo(skb)->gso_size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3322
	/* The controller does a simple calculation to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3323
	 * make sure there is enough room in the FIFO before
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3324
	 * initiating the DMA for each buffer.  The calc is:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3325
	 * 4 = ceil(buffer len/mss).  To make sure we don't
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3326
	 * overrun the FIFO, adjust the max buffer len if mss
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3327
	 * drops. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3328
	if (mss) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3329
		u8 hdr_len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3330
		max_per_txd = min(mss << 2, max_per_txd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3331
		max_txd_pwr = fls(max_per_txd) - 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3332
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3333
		/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3334
		* points to just header, pull a few bytes of payload from
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3335
		* frags into skb->data */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3336
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3337
		if (skb->data_len && hdr_len == len) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3338
			switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3339
				unsigned int pull_size;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3340
			case e1000_82544:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3341
				/* Make sure we have room to chop off 4 bytes,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3342
				 * and that the end alignment will work out to
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3343
				 * this hardware's requirements
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3344
				 * NOTE: this is a TSO only workaround
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3345
				 * if end byte alignment not correct move us
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3346
				 * into the next dword */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3347
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3348
					break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3349
				/* fall through */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3350
			case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3351
			case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3352
			case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3353
			case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3354
				pull_size = min((unsigned int)4, skb->data_len);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3355
				if (!__pskb_pull_tail(skb, pull_size)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3356
					DPRINTK(DRV, ERR,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3357
						"__pskb_pull_tail failed.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3358
					dev_kfree_skb_any(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3359
					return NETDEV_TX_OK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3360
				}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3361
				len = skb->len - skb->data_len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3362
				break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3363
			default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3364
				/* do nothing */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3365
				break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3366
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3367
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3368
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3369
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3370
	/* reserve a descriptor for the offload context */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3371
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3372
		count++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3373
	count++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3374
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3375
	/* Controller Erratum workaround */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3376
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3377
		count++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3378
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3379
	count += TXD_USE_COUNT(len, max_txd_pwr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3380
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3381
	if (adapter->pcix_82544)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3382
		count++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3383
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3384
	/* work-around for errata 10 and it applies to all controllers
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3385
	 * in PCI-X mode, so add one more descriptor to the count
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3386
	 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3387
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3388
			(len > 2015)))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3389
		count++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3390
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3391
	nr_frags = skb_shinfo(skb)->nr_frags;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3392
	for (f = 0; f < nr_frags; f++)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3393
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3394
				       max_txd_pwr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3395
	if (adapter->pcix_82544)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3396
		count += nr_frags;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3397
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3398
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3399
	if (hw->tx_pkt_filtering &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3400
	    (hw->mac_type == e1000_82573))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3401
		e1000_transfer_dhcp_info(adapter, skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3402
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3403
	/* need: count + 2 desc gap to keep tail from touching
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3404
	 * head, otherwise try next time */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3405
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3406
		return NETDEV_TX_BUSY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3407
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3408
	if (unlikely(hw->mac_type == e1000_82547)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3409
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3410
			if (!adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3411
				netif_stop_queue(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3412
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3413
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3414
			return NETDEV_TX_BUSY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3415
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3416
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3417
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3418
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3419
		tx_flags |= E1000_TX_FLAGS_VLAN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3420
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3421
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3422
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3423
	first = tx_ring->next_to_use;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3424
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3425
	tso = e1000_tso(adapter, tx_ring, skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3426
	if (tso < 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3427
		if (!adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3428
			dev_kfree_skb_any(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3429
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3430
		return NETDEV_TX_OK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3431
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3432
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3433
	if (likely(tso)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3434
		tx_ring->last_tx_tso = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3435
		tx_flags |= E1000_TX_FLAGS_TSO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3436
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3437
		tx_flags |= E1000_TX_FLAGS_CSUM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3438
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3439
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3440
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3441
	 * no longer assume, we must. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3442
	if (likely(skb->protocol == htons(ETH_P_IP)))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3443
		tx_flags |= E1000_TX_FLAGS_IPV4;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3444
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3445
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3446
	                     nr_frags, mss);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3447
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3448
	if (count) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3449
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3450
		if (!adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3451
			/* Make sure there is space in the ring for the next send. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3452
			e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3453
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3454
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3455
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3456
		if (!adapter->ecdev) dev_kfree_skb_any(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3457
		tx_ring->buffer_info[first].time_stamp = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3458
		tx_ring->next_to_use = first;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3459
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3460
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3461
	return NETDEV_TX_OK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3462
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3463
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3464
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3465
 * e1000_tx_timeout - Respond to a Tx Hang
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3466
 * @netdev: network interface device structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3467
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3468
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3469
static void e1000_tx_timeout(struct net_device *netdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3470
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3471
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3472
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3473
	/* Do the reset outside of interrupt context */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3474
	adapter->tx_timeout_count++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3475
	schedule_work(&adapter->reset_task);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3476
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3477
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3478
static void e1000_reset_task(struct work_struct *work)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3479
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3480
	struct e1000_adapter *adapter =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3481
		container_of(work, struct e1000_adapter, reset_task);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3482
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3483
	e1000_reinit_locked(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3484
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3485
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3486
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3487
 * e1000_get_stats - Get System Network Statistics
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3488
 * @netdev: network interface device structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3489
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3490
 * Returns the address of the device statistics structure.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3491
 * The statistics are actually updated from the timer callback.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3492
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3493
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3494
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3495
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3496
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3497
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3498
	/* only return the current stats */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3499
	return &adapter->net_stats;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3500
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3501
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3502
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3503
 * e1000_change_mtu - Change the Maximum Transfer Unit
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3504
 * @netdev: network interface device structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3505
 * @new_mtu: new value for maximum frame size
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3506
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3507
 * Returns 0 on success, negative on failure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3508
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3509
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3510
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3511
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3512
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3513
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3514
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3515
	u16 eeprom_data = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3516
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3517
	if (adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3518
		return -EBUSY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3519
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3520
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3521
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3522
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3523
		return -EINVAL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3524
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3525
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3526
	/* Adapter-specific max frame size limits. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3527
	switch (hw->mac_type) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3528
	case e1000_undefined ... e1000_82542_rev2_1:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3529
	case e1000_ich8lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3530
		if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3531
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3532
			return -EINVAL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3533
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3534
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3535
	case e1000_82573:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3536
		/* Jumbo Frames not supported if:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3537
		 * - this is not an 82573L device
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3538
		 * - ASPM is enabled in any way (0x1A bits 3:2) */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3539
		e1000_read_eeprom(hw, EEPROM_INIT_3GIO_3, 1,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3540
		                  &eeprom_data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3541
		if ((hw->device_id != E1000_DEV_ID_82573L) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3542
		    (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3543
			if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3544
				DPRINTK(PROBE, ERR,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3545
			            	"Jumbo Frames not supported.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3546
				return -EINVAL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3547
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3548
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3549
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3550
		/* ERT will be enabled later to enable wire speed receives */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3551
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3552
		/* fall through to get support */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3553
	case e1000_82571:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3554
	case e1000_82572:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3555
	case e1000_80003es2lan:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3556
#define MAX_STD_JUMBO_FRAME_SIZE 9234
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3557
		if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3558
			DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3559
			return -EINVAL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3560
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3561
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3562
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3563
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3564
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3565
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3566
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3567
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3568
	 * means we reserve 2 more, this pushes us to allocate from the next
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3569
	 * larger slab size
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3570
	 * i.e. RXBUFFER_2048 --> size-4096 slab */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3571
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3572
	if (max_frame <= E1000_RXBUFFER_256)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3573
		adapter->rx_buffer_len = E1000_RXBUFFER_256;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3574
	else if (max_frame <= E1000_RXBUFFER_512)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3575
		adapter->rx_buffer_len = E1000_RXBUFFER_512;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3576
	else if (max_frame <= E1000_RXBUFFER_1024)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3577
		adapter->rx_buffer_len = E1000_RXBUFFER_1024;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3578
	else if (max_frame <= E1000_RXBUFFER_2048)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3579
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3580
	else if (max_frame <= E1000_RXBUFFER_4096)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3581
		adapter->rx_buffer_len = E1000_RXBUFFER_4096;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3582
	else if (max_frame <= E1000_RXBUFFER_8192)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3583
		adapter->rx_buffer_len = E1000_RXBUFFER_8192;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3584
	else if (max_frame <= E1000_RXBUFFER_16384)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3585
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3586
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3587
	/* adjust allocation if LPE protects us, and we aren't using SBP */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3588
	if (!hw->tbi_compatibility_on &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3589
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3590
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3591
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3592
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3593
	netdev->mtu = new_mtu;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3594
	hw->max_frame_size = max_frame;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3595
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3596
	if (netif_running(netdev))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3597
		e1000_reinit_locked(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3598
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3599
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3600
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3601
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3602
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3603
 * e1000_update_stats - Update the board statistics counters
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3604
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3605
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3606
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3607
void e1000_update_stats(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3608
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3609
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3610
	struct pci_dev *pdev = adapter->pdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3611
	unsigned long flags = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3612
	u16 phy_tmp;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3613
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3614
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3615
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3616
	/*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3617
	 * Prevent stats update while adapter is being reset, or if the pci
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3618
	 * connection is down.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3619
	 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3620
	if (adapter->link_speed == 0)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3621
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3622
	if (pci_channel_offline(pdev))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3623
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3624
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3625
	if (!adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3626
		spin_lock_irqsave(&adapter->stats_lock, flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3627
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3628
	/* these counters are modified from e1000_tbi_adjust_stats,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3629
	 * called from the interrupt context, so they must only
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3630
	 * be written while holding adapter->stats_lock
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3631
	 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3632
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3633
	adapter->stats.crcerrs += er32(CRCERRS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3634
	adapter->stats.gprc += er32(GPRC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3635
	adapter->stats.gorcl += er32(GORCL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3636
	adapter->stats.gorch += er32(GORCH);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3637
	adapter->stats.bprc += er32(BPRC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3638
	adapter->stats.mprc += er32(MPRC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3639
	adapter->stats.roc += er32(ROC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3640
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3641
	if (hw->mac_type != e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3642
		adapter->stats.prc64 += er32(PRC64);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3643
		adapter->stats.prc127 += er32(PRC127);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3644
		adapter->stats.prc255 += er32(PRC255);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3645
		adapter->stats.prc511 += er32(PRC511);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3646
		adapter->stats.prc1023 += er32(PRC1023);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3647
		adapter->stats.prc1522 += er32(PRC1522);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3648
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3649
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3650
	adapter->stats.symerrs += er32(SYMERRS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3651
	adapter->stats.mpc += er32(MPC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3652
	adapter->stats.scc += er32(SCC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3653
	adapter->stats.ecol += er32(ECOL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3654
	adapter->stats.mcc += er32(MCC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3655
	adapter->stats.latecol += er32(LATECOL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3656
	adapter->stats.dc += er32(DC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3657
	adapter->stats.sec += er32(SEC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3658
	adapter->stats.rlec += er32(RLEC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3659
	adapter->stats.xonrxc += er32(XONRXC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3660
	adapter->stats.xontxc += er32(XONTXC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3661
	adapter->stats.xoffrxc += er32(XOFFRXC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3662
	adapter->stats.xofftxc += er32(XOFFTXC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3663
	adapter->stats.fcruc += er32(FCRUC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3664
	adapter->stats.gptc += er32(GPTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3665
	adapter->stats.gotcl += er32(GOTCL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3666
	adapter->stats.gotch += er32(GOTCH);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3667
	adapter->stats.rnbc += er32(RNBC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3668
	adapter->stats.ruc += er32(RUC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3669
	adapter->stats.rfc += er32(RFC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3670
	adapter->stats.rjc += er32(RJC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3671
	adapter->stats.torl += er32(TORL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3672
	adapter->stats.torh += er32(TORH);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3673
	adapter->stats.totl += er32(TOTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3674
	adapter->stats.toth += er32(TOTH);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3675
	adapter->stats.tpr += er32(TPR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3676
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3677
	if (hw->mac_type != e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3678
		adapter->stats.ptc64 += er32(PTC64);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3679
		adapter->stats.ptc127 += er32(PTC127);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3680
		adapter->stats.ptc255 += er32(PTC255);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3681
		adapter->stats.ptc511 += er32(PTC511);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3682
		adapter->stats.ptc1023 += er32(PTC1023);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3683
		adapter->stats.ptc1522 += er32(PTC1522);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3684
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3685
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3686
	adapter->stats.mptc += er32(MPTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3687
	adapter->stats.bptc += er32(BPTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3688
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3689
	/* used for adaptive IFS */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3690
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3691
	hw->tx_packet_delta = er32(TPT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3692
	adapter->stats.tpt += hw->tx_packet_delta;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3693
	hw->collision_delta = er32(COLC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3694
	adapter->stats.colc += hw->collision_delta;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3695
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3696
	if (hw->mac_type >= e1000_82543) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3697
		adapter->stats.algnerrc += er32(ALGNERRC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3698
		adapter->stats.rxerrc += er32(RXERRC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3699
		adapter->stats.tncrs += er32(TNCRS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3700
		adapter->stats.cexterr += er32(CEXTERR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3701
		adapter->stats.tsctc += er32(TSCTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3702
		adapter->stats.tsctfc += er32(TSCTFC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3703
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3704
	if (hw->mac_type > e1000_82547_rev_2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3705
		adapter->stats.iac += er32(IAC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3706
		adapter->stats.icrxoc += er32(ICRXOC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3707
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3708
		if (hw->mac_type != e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3709
			adapter->stats.icrxptc += er32(ICRXPTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3710
			adapter->stats.icrxatc += er32(ICRXATC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3711
			adapter->stats.ictxptc += er32(ICTXPTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3712
			adapter->stats.ictxatc += er32(ICTXATC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3713
			adapter->stats.ictxqec += er32(ICTXQEC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3714
			adapter->stats.ictxqmtc += er32(ICTXQMTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3715
			adapter->stats.icrxdmtc += er32(ICRXDMTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3716
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3717
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3718
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3719
	/* Fill out the OS statistics structure */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3720
	adapter->net_stats.multicast = adapter->stats.mprc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3721
	adapter->net_stats.collisions = adapter->stats.colc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3722
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3723
	/* Rx Errors */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3724
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3725
	/* RLEC on some newer hardware can be incorrect so build
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3726
	* our own version based on RUC and ROC */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3727
	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3728
		adapter->stats.crcerrs + adapter->stats.algnerrc +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3729
		adapter->stats.ruc + adapter->stats.roc +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3730
		adapter->stats.cexterr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3731
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3732
	adapter->net_stats.rx_length_errors = adapter->stats.rlerrc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3733
	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3734
	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3735
	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3736
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3737
	/* Tx Errors */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3738
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3739
	adapter->net_stats.tx_errors = adapter->stats.txerrc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3740
	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3741
	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3742
	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3743
	if (hw->bad_tx_carr_stats_fd &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3744
	    adapter->link_duplex == FULL_DUPLEX) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3745
		adapter->net_stats.tx_carrier_errors = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3746
		adapter->stats.tncrs = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3747
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3748
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3749
	/* Tx Dropped needs to be maintained elsewhere */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3750
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3751
	/* Phy Stats */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3752
	if (hw->media_type == e1000_media_type_copper) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3753
		if ((adapter->link_speed == SPEED_1000) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3754
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3755
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3756
			adapter->phy_stats.idle_errors += phy_tmp;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3757
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3758
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3759
		if ((hw->mac_type <= e1000_82546) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3760
		   (hw->phy_type == e1000_phy_m88) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3761
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3762
			adapter->phy_stats.receive_errors += phy_tmp;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3763
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3764
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3765
	/* Management Stats */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3766
	if (hw->has_smbus) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3767
		adapter->stats.mgptc += er32(MGTPTC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3768
		adapter->stats.mgprc += er32(MGTPRC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3769
		adapter->stats.mgpdc += er32(MGTPDC);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3770
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3771
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3772
	if (!adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3773
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3774
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3775
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3776
void ec_poll(struct net_device *netdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3777
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3778
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3779
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3780
		e1000_watchdog((unsigned long) adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3781
		adapter->ec_watchdog_jiffies = jiffies;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3782
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3783
#ifdef CONFIG_PCI_MSI
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3784
	e1000_intr_msi(0, netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3785
#else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3786
	e1000_intr(0, netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3787
#endif
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3788
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3789
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3790
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3791
 * e1000_intr_msi - Interrupt Handler
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3792
 * @irq: interrupt number
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3793
 * @data: pointer to a network interface device structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3794
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3795
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3796
static irqreturn_t e1000_intr_msi(int irq, void *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3797
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3798
	struct net_device *netdev = data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3799
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3800
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3801
	u32 icr = er32(ICR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3802
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3803
	if (adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3804
		int i, ec_work_done = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3805
		for (i = 0; i < E1000_MAX_INTR; i++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3806
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
2163
d6d49dcaf7a5 Fixed accidentially used operator & by using &&.
Florian Pose <fp@igh-essen.com>
parents: 1996
diff changeset
  3807
						&ec_work_done, 100) &&
1996
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3808
					!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3809
				break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3810
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3811
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3812
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3813
		/* in NAPI mode read ICR disables interrupts using IAM */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3814
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3815
		if ( !adapter->ecdev && (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) ) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3816
			hw->get_link_status = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3817
			/* 80003ES2LAN workaround-- For packet buffer work-around on
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3818
			 * link down event; disable receives here in the ISR and reset
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3819
			 * adapter in watchdog */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3820
			if (netif_carrier_ok(netdev) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3821
			    (hw->mac_type == e1000_80003es2lan)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3822
				/* disable receives */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3823
				u32 rctl = er32(RCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3824
				ew32(RCTL, rctl & ~E1000_RCTL_EN);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3825
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3826
			/* guard against interrupt when we're going down */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3827
			if (!test_bit(__E1000_DOWN, &adapter->flags))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3828
				mod_timer(&adapter->watchdog_timer, jiffies + 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3829
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3830
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3831
		if (likely(napi_schedule_prep(&adapter->napi))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3832
			adapter->total_tx_bytes = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3833
			adapter->total_tx_packets = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3834
			adapter->total_rx_bytes = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3835
			adapter->total_rx_packets = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3836
			__napi_schedule(&adapter->napi);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3837
		} else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3838
			e1000_irq_enable(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3839
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3840
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3841
	return IRQ_HANDLED;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3842
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3843
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3844
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3845
 * e1000_intr - Interrupt Handler
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3846
 * @irq: interrupt number
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3847
 * @data: pointer to a network interface device structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3848
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3849
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3850
static irqreturn_t e1000_intr(int irq, void *data)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3851
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3852
	struct net_device *netdev = data;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3853
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3854
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3855
	u32 rctl, icr = er32(ICR);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3856
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3857
	if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags)))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3858
		return IRQ_NONE;  /* Not our interrupt */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3859
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3860
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3861
	 * not set, then the adapter didn't send an interrupt */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3862
	if (unlikely(hw->mac_type >= e1000_82571 &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3863
	             !(icr & E1000_ICR_INT_ASSERTED)))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3864
		return IRQ_NONE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3865
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3866
	/* Interrupt Auto-Mask...upon reading ICR, interrupts are masked.  No
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3867
	 * need for the IMC write */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3868
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3869
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3870
		hw->get_link_status = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3871
		/* 80003ES2LAN workaround--
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3872
		 * For packet buffer work-around on link down event;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3873
		 * disable receives here in the ISR and
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3874
		 * reset adapter in watchdog
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3875
		 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3876
		if (netif_carrier_ok(netdev) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3877
		    (hw->mac_type == e1000_80003es2lan)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3878
			/* disable receives */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3879
			rctl = er32(RCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3880
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3881
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3882
		/* guard against interrupt when we're going down */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3883
		if (!test_bit(__E1000_DOWN, &adapter->flags))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3884
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3885
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3886
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3887
	if (unlikely(hw->mac_type < e1000_82571)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3888
		/* disable interrupts, without the synchronize_irq bit */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3889
		ew32(IMC, ~0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3890
		E1000_WRITE_FLUSH();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3891
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3892
	if (likely(napi_schedule_prep(&adapter->napi))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3893
		adapter->total_tx_bytes = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3894
		adapter->total_tx_packets = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3895
		adapter->total_rx_bytes = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3896
		adapter->total_rx_packets = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3897
		__napi_schedule(&adapter->napi);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3898
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3899
		/* this really should not happen! if it does it is basically a
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3900
		 * bug, but not a hard error, so enable ints and continue */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3901
		if (!test_bit(__E1000_DOWN, &adapter->flags))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3902
			e1000_irq_enable(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3903
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3904
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3905
	return IRQ_HANDLED;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3906
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3907
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3908
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3909
 * e1000_clean - NAPI Rx polling callback
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3910
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3911
 * EtherCAT: never called
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3912
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3913
static int e1000_clean(struct napi_struct *napi, int budget)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3914
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3915
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3916
	struct net_device *poll_dev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3917
	int tx_cleaned = 0, work_done = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3918
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3919
	adapter = netdev_priv(poll_dev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3920
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3921
	tx_cleaned = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3922
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3923
	adapter->clean_rx(adapter, &adapter->rx_ring[0],
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3924
	                  &work_done, budget);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3925
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3926
	if (!tx_cleaned)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3927
		work_done = budget;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3928
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3929
	/* If budget not fully consumed, exit the polling mode */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3930
	if (work_done < budget) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3931
		if (likely(adapter->itr_setting & 3))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3932
			e1000_set_itr(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3933
		napi_complete(napi);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3934
		if (!test_bit(__E1000_DOWN, &adapter->flags))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3935
			e1000_irq_enable(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3936
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3937
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3938
	return work_done;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3939
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3940
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3941
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3942
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3943
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3944
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3945
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3946
			       struct e1000_tx_ring *tx_ring)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3947
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3948
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3949
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3950
	struct e1000_tx_desc *tx_desc, *eop_desc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3951
	struct e1000_buffer *buffer_info;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3952
	unsigned int i, eop;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3953
	unsigned int count = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3954
	unsigned int total_tx_bytes=0, total_tx_packets=0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3955
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3956
	i = tx_ring->next_to_clean;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3957
	eop = tx_ring->buffer_info[i].next_to_watch;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3958
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3959
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3960
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3961
	       (count < tx_ring->count)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3962
		bool cleaned = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3963
		for ( ; !cleaned; count++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3964
			tx_desc = E1000_TX_DESC(*tx_ring, i);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3965
			buffer_info = &tx_ring->buffer_info[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3966
			cleaned = (i == eop);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3967
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3968
			if (cleaned) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3969
				struct sk_buff *skb = buffer_info->skb;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3970
				unsigned int segs, bytecount;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3971
				segs = skb_shinfo(skb)->gso_segs ?: 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3972
				/* multiply data chunks by size of headers */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3973
				bytecount = ((segs - 1) * skb_headlen(skb)) +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3974
				            skb->len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3975
				total_tx_packets += segs;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3976
				total_tx_bytes += bytecount;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3977
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3978
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3979
			tx_desc->upper.data = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3980
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3981
			if (unlikely(++i == tx_ring->count)) i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3982
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3983
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3984
		eop = tx_ring->buffer_info[i].next_to_watch;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3985
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3986
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3987
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3988
	tx_ring->next_to_clean = i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3989
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3990
#define TX_WAKE_THRESHOLD 32
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3991
	if (!adapter->ecdev && unlikely(count && netif_carrier_ok(netdev) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3992
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3993
		/* Make sure that anybody stopping the queue after this
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3994
		 * sees the new next_to_clean.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3995
		 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3996
		smp_mb();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3997
		if (netif_queue_stopped(netdev)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3998
			netif_wake_queue(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3999
			++adapter->restart_queue;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4000
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4001
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4002
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4003
	if (!adapter->ecdev && adapter->detect_tx_hung) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4004
		/* Detect a transmit hang in hardware, this serializes the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4005
		 * check with the clearing of time_stamp and movement of i */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4006
		adapter->detect_tx_hung = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4007
		if (tx_ring->buffer_info[i].time_stamp &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4008
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4009
		               (adapter->tx_timeout_factor * HZ))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4010
		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4011
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4012
			/* detected Tx unit hang */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4013
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4014
					"  Tx Queue             <%lu>\n"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4015
					"  TDH                  <%x>\n"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4016
					"  TDT                  <%x>\n"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4017
					"  next_to_use          <%x>\n"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4018
					"  next_to_clean        <%x>\n"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4019
					"buffer_info[next_to_clean]\n"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4020
					"  time_stamp           <%lx>\n"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4021
					"  next_to_watch        <%x>\n"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4022
					"  jiffies              <%lx>\n"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4023
					"  next_to_watch.status <%x>\n",
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4024
				(unsigned long)((tx_ring - adapter->tx_ring) /
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4025
					sizeof(struct e1000_tx_ring)),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4026
				readl(hw->hw_addr + tx_ring->tdh),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4027
				readl(hw->hw_addr + tx_ring->tdt),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4028
				tx_ring->next_to_use,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4029
				tx_ring->next_to_clean,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4030
				tx_ring->buffer_info[i].time_stamp,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4031
				eop,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4032
				jiffies,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4033
				eop_desc->upper.fields.status);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4034
			netif_stop_queue(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4035
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4036
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4037
	adapter->total_tx_bytes += total_tx_bytes;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4038
	adapter->total_tx_packets += total_tx_packets;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4039
	adapter->net_stats.tx_bytes += total_tx_bytes;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4040
	adapter->net_stats.tx_packets += total_tx_packets;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4041
	return (count < tx_ring->count);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4042
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4043
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4044
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4045
 * e1000_rx_checksum - Receive Checksum Offload for 82543
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4046
 * @adapter:     board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4047
 * @status_err:  receive descriptor status and error fields
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4048
 * @csum:        receive descriptor csum field
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4049
 * @sk_buff:     socket buffer with received data
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4050
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4051
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4052
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4053
			      u32 csum, struct sk_buff *skb)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4054
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4055
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4056
	u16 status = (u16)status_err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4057
	u8 errors = (u8)(status_err >> 24);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4058
	skb->ip_summed = CHECKSUM_NONE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4059
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4060
	/* 82543 or newer only */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4061
	if (unlikely(hw->mac_type < e1000_82543)) return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4062
	/* Ignore Checksum bit is set */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4063
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4064
	/* TCP/UDP checksum error bit is set */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4065
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4066
		/* let the stack verify checksum errors */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4067
		adapter->hw_csum_err++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4068
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4069
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4070
	/* TCP/UDP Checksum has not been calculated */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4071
	if (hw->mac_type <= e1000_82547_rev_2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4072
		if (!(status & E1000_RXD_STAT_TCPCS))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4073
			return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4074
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4075
		if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4076
			return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4077
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4078
	/* It must be a TCP or UDP packet with a valid checksum */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4079
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4080
		/* TCP checksum is good */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4081
		skb->ip_summed = CHECKSUM_UNNECESSARY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4082
	} else if (hw->mac_type > e1000_82547_rev_2) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4083
		/* IP fragment with UDP payload */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4084
		/* Hardware complements the payload checksum, so we undo it
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4085
		 * and then put the value in host order for further stack use.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4086
		 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4087
		__sum16 sum = (__force __sum16)htons(csum);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4088
		skb->csum = csum_unfold(~sum);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4089
		skb->ip_summed = CHECKSUM_COMPLETE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4090
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4091
	adapter->hw_csum_good++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4092
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4093
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4094
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4095
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4096
 * @adapter: board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4097
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4098
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4099
			       struct e1000_rx_ring *rx_ring,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4100
			       int *work_done, int work_to_do)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4101
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4102
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4103
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4104
	struct pci_dev *pdev = adapter->pdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4105
	struct e1000_rx_desc *rx_desc, *next_rxd;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4106
	struct e1000_buffer *buffer_info, *next_buffer;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4107
	unsigned long flags;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4108
	u32 length;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4109
	u8 last_byte;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4110
	unsigned int i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4111
	int cleaned_count = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4112
	bool cleaned = false;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4113
	unsigned int total_rx_bytes=0, total_rx_packets=0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4114
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4115
	i = rx_ring->next_to_clean;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4116
	rx_desc = E1000_RX_DESC(*rx_ring, i);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4117
	buffer_info = &rx_ring->buffer_info[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4118
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4119
	while (rx_desc->status & E1000_RXD_STAT_DD) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4120
		struct sk_buff *skb;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4121
		u8 status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4122
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4123
		if (*work_done >= work_to_do)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4124
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4125
		(*work_done)++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4126
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4127
		status = rx_desc->status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4128
		skb = buffer_info->skb;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4129
		if (!adapter->ecdev) buffer_info->skb = NULL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4130
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4131
		prefetch(skb->data - NET_IP_ALIGN);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4132
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4133
		if (++i == rx_ring->count) i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4134
		next_rxd = E1000_RX_DESC(*rx_ring, i);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4135
		prefetch(next_rxd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4136
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4137
		next_buffer = &rx_ring->buffer_info[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4138
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4139
		cleaned = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4140
		cleaned_count++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4141
		pci_unmap_single(pdev,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4142
		                 buffer_info->dma,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4143
		                 buffer_info->length,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4144
		                 PCI_DMA_FROMDEVICE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4145
		buffer_info->dma = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4146
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4147
		length = le16_to_cpu(rx_desc->length);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4148
		/* !EOP means multiple descriptors were used to store a single
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4149
		 * packet, also make sure the frame isn't just CRC only */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4150
		if (unlikely(!(status & E1000_RXD_STAT_EOP) || (length <= 4))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4151
			/* All receives must fit into a single buffer */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4152
			E1000_DBG("%s: Receive packet consumed multiple"
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4153
				  " buffers\n", netdev->name);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4154
			/* recycle */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4155
			buffer_info->skb = skb;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4156
			goto next_desc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4157
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4158
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4159
		if (!adapter->ecdev &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4160
				unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4161
			last_byte = *(skb->data + length - 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4162
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4163
				       last_byte)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4164
				spin_lock_irqsave(&adapter->stats_lock, flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4165
				e1000_tbi_adjust_stats(hw, &adapter->stats,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4166
				                       length, skb->data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4167
				spin_unlock_irqrestore(&adapter->stats_lock,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4168
				                       flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4169
				length--;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4170
			} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4171
				/* recycle */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4172
				buffer_info->skb = skb;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4173
				goto next_desc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4174
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4175
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4176
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4177
		/* adjust length to remove Ethernet CRC, this must be
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4178
		 * done after the TBI_ACCEPT workaround above */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4179
		length -= 4;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4180
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4181
		/* probably a little skewed due to removing CRC */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4182
		total_rx_bytes += length;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4183
		total_rx_packets++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4184
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4185
		/* code added for copybreak, this should improve
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4186
		 * performance for small packets with large amounts
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4187
		 * of reassembly being done in the stack */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4188
		if (!adapter->ecdev && length < copybreak) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4189
			struct sk_buff *new_skb =
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4190
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4191
			if (new_skb) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4192
				skb_reserve(new_skb, NET_IP_ALIGN);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4193
				skb_copy_to_linear_data_offset(new_skb,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4194
							       -NET_IP_ALIGN,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4195
							       (skb->data -
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4196
							        NET_IP_ALIGN),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4197
							       (length +
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4198
							        NET_IP_ALIGN));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4199
				/* save the skb in buffer_info as good */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4200
				buffer_info->skb = skb;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4201
				skb = new_skb;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4202
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4203
			/* else just continue with the old one */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4204
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4205
		/* end copybreak code */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4206
		skb_put(skb, length);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4207
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4208
		/* Receive Checksum Offload */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4209
		e1000_rx_checksum(adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4210
				  (u32)(status) |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4211
				  ((u32)(rx_desc->errors) << 24),
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4212
				  le16_to_cpu(rx_desc->csum), skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4213
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4214
		if (adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4215
			ecdev_receive(adapter->ecdev, skb->data, length);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4216
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4217
			// No need to detect link status as
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4218
			// long as frames are received: Reset watchdog.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4219
			adapter->ec_watchdog_jiffies = jiffies;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4220
		} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4221
			skb->protocol = eth_type_trans(skb, netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4222
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4223
			if (unlikely(adapter->vlgrp &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4224
				    (status & E1000_RXD_STAT_VP))) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4225
				vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4226
							 le16_to_cpu(rx_desc->special));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4227
			} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4228
				netif_receive_skb(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4229
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4230
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4231
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4232
next_desc:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4233
		rx_desc->status = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4234
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4235
		/* return some buffers to hardware, one at a time is too slow */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4236
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4237
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4238
			cleaned_count = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4239
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4240
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4241
		/* use prefetched values */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4242
		rx_desc = next_rxd;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4243
		buffer_info = next_buffer;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4244
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4245
	rx_ring->next_to_clean = i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4246
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4247
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4248
	if (cleaned_count)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4249
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4250
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4251
	adapter->total_rx_packets += total_rx_packets;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4252
	adapter->total_rx_bytes += total_rx_bytes;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4253
	adapter->net_stats.rx_bytes += total_rx_bytes;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4254
	adapter->net_stats.rx_packets += total_rx_packets;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4255
	return cleaned;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4256
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4257
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4258
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4259
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4260
 * @adapter: address of board private structure
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4261
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4262
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4263
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4264
				   struct e1000_rx_ring *rx_ring,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4265
				   int cleaned_count)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4266
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4267
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4268
	struct net_device *netdev = adapter->netdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4269
	struct pci_dev *pdev = adapter->pdev;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4270
	struct e1000_rx_desc *rx_desc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4271
	struct e1000_buffer *buffer_info;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4272
	struct sk_buff *skb;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4273
	unsigned int i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4274
	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4275
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4276
	i = rx_ring->next_to_use;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4277
	buffer_info = &rx_ring->buffer_info[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4278
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4279
	while (cleaned_count--) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4280
		skb = buffer_info->skb;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4281
		if (skb) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4282
			skb_trim(skb, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4283
			goto map_skb;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4284
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4285
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4286
		skb = netdev_alloc_skb(netdev, bufsz);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4287
		if (unlikely(!skb)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4288
			/* Better luck next round */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4289
			adapter->alloc_rx_buff_failed++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4290
			break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4291
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4292
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4293
		/* Fix for errata 23, can't cross 64kB boundary */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4294
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4295
			struct sk_buff *oldskb = skb;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4296
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4297
					     "at %p\n", bufsz, skb->data);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4298
			/* Try again, without freeing the previous */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4299
			skb = netdev_alloc_skb(netdev, bufsz);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4300
			/* Failed allocation, critical failure */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4301
			if (!skb) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4302
				dev_kfree_skb(oldskb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4303
				break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4304
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4305
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4306
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4307
				/* give up */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4308
				dev_kfree_skb(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4309
				dev_kfree_skb(oldskb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4310
				break; /* while !buffer_info->skb */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4311
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4312
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4313
			/* Use new allocation */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4314
			dev_kfree_skb(oldskb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4315
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4316
		/* Make buffer alignment 2 beyond a 16 byte boundary
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4317
		 * this will result in a 16 byte aligned IP header after
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4318
		 * the 14 byte MAC header is removed
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4319
		 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4320
		skb_reserve(skb, NET_IP_ALIGN);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4321
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4322
		buffer_info->skb = skb;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4323
		buffer_info->length = adapter->rx_buffer_len;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4324
map_skb:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4325
		buffer_info->dma = pci_map_single(pdev,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4326
						  skb->data,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4327
						  adapter->rx_buffer_len,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4328
						  PCI_DMA_FROMDEVICE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4329
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4330
		/* Fix for errata 23, can't cross 64kB boundary */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4331
		if (!e1000_check_64k_bound(adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4332
					(void *)(unsigned long)buffer_info->dma,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4333
					adapter->rx_buffer_len)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4334
			DPRINTK(RX_ERR, ERR,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4335
				"dma align check failed: %u bytes at %p\n",
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4336
				adapter->rx_buffer_len,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4337
				(void *)(unsigned long)buffer_info->dma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4338
			if (!adapter->ecdev) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4339
				dev_kfree_skb(skb);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4340
				buffer_info->skb = NULL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4341
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4342
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4343
			pci_unmap_single(pdev, buffer_info->dma,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4344
					 adapter->rx_buffer_len,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4345
					 PCI_DMA_FROMDEVICE);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4346
			buffer_info->dma = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4347
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4348
			break; /* while !buffer_info->skb */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4349
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4350
		rx_desc = E1000_RX_DESC(*rx_ring, i);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4351
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4352
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4353
		if (unlikely(++i == rx_ring->count))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4354
			i = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4355
		buffer_info = &rx_ring->buffer_info[i];
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4356
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4357
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4358
	if (likely(rx_ring->next_to_use != i)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4359
		rx_ring->next_to_use = i;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4360
		if (unlikely(i-- == 0))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4361
			i = (rx_ring->count - 1);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4362
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4363
		/* Force memory writes to complete before letting h/w
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4364
		 * know there are new descriptors to fetch.  (Only
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4365
		 * applicable for weak-ordered memory model archs,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4366
		 * such as IA-64). */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4367
		wmb();
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4368
		writel(i, hw->hw_addr + rx_ring->rdt);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4369
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4370
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4371
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4372
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4373
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4374
 * @adapter:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4375
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4376
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4377
static void e1000_smartspeed(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4378
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4379
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4380
	u16 phy_status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4381
	u16 phy_ctrl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4382
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4383
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4384
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4385
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4386
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4387
	if (adapter->smartspeed == 0) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4388
		/* If Master/Slave config fault is asserted twice,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4389
		 * we assume back-to-back */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4390
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4391
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4392
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4393
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4394
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4395
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4396
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4397
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4398
					    phy_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4399
			adapter->smartspeed++;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4400
			if (!e1000_phy_setup_autoneg(hw) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4401
			   !e1000_read_phy_reg(hw, PHY_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4402
				   	       &phy_ctrl)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4403
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4404
					     MII_CR_RESTART_AUTO_NEG);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4405
				e1000_write_phy_reg(hw, PHY_CTRL,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4406
						    phy_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4407
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4408
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4409
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4410
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4411
		/* If still no link, perhaps using 2/3 pair cable */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4412
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4413
		phy_ctrl |= CR_1000T_MS_ENABLE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4414
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4415
		if (!e1000_phy_setup_autoneg(hw) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4416
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4417
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4418
				     MII_CR_RESTART_AUTO_NEG);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4419
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4420
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4421
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4422
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4423
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4424
		adapter->smartspeed = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4425
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4426
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4427
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4428
 * e1000_ioctl -
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4429
 * @netdev:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4430
 * @ifreq:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4431
 * @cmd:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4432
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4433
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4434
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4435
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4436
	switch (cmd) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4437
	case SIOCGMIIPHY:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4438
	case SIOCGMIIREG:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4439
	case SIOCSMIIREG:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4440
		return e1000_mii_ioctl(netdev, ifr, cmd);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4441
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4442
		return -EOPNOTSUPP;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4443
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4444
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4445
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4446
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4447
 * e1000_mii_ioctl -
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4448
 * @netdev:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4449
 * @ifreq:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4450
 * @cmd:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4451
 **/
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4452
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4453
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4454
			   int cmd)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4455
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4456
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4457
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4458
	struct mii_ioctl_data *data = if_mii(ifr);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4459
	int retval;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4460
	u16 mii_reg;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4461
	u16 spddplx;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4462
	unsigned long flags;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4463
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4464
	if (hw->media_type != e1000_media_type_copper)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4465
		return -EOPNOTSUPP;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4466
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4467
	switch (cmd) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4468
	case SIOCGMIIPHY:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4469
		data->phy_id = hw->phy_addr;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4470
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4471
	case SIOCGMIIREG:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4472
		if (!capable(CAP_NET_ADMIN) || adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4473
			return -EPERM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4474
		spin_lock_irqsave(&adapter->stats_lock, flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4475
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4476
				   &data->val_out)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4477
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4478
			return -EIO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4479
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4480
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4481
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4482
	case SIOCSMIIREG:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4483
		if (!capable(CAP_NET_ADMIN) || adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4484
			return -EPERM;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4485
		if (data->reg_num & ~(0x1F))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4486
			return -EFAULT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4487
		mii_reg = data->val_in;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4488
		spin_lock_irqsave(&adapter->stats_lock, flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4489
		if (e1000_write_phy_reg(hw, data->reg_num,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4490
					mii_reg)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4491
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4492
			return -EIO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4493
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4494
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4495
		if (hw->media_type == e1000_media_type_copper) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4496
			switch (data->reg_num) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4497
			case PHY_CTRL:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4498
				if (mii_reg & MII_CR_POWER_DOWN)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4499
					break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4500
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4501
					hw->autoneg = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4502
					hw->autoneg_advertised = 0x2F;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4503
				} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4504
					if (mii_reg & 0x40)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4505
						spddplx = SPEED_1000;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4506
					else if (mii_reg & 0x2000)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4507
						spddplx = SPEED_100;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4508
					else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4509
						spddplx = SPEED_10;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4510
					spddplx += (mii_reg & 0x100)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4511
						   ? DUPLEX_FULL :
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4512
						   DUPLEX_HALF;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4513
					retval = e1000_set_spd_dplx(adapter,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4514
								    spddplx);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4515
					if (retval)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4516
						return retval;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4517
				}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4518
				if (netif_running(adapter->netdev))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4519
					e1000_reinit_locked(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4520
				else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4521
					e1000_reset(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4522
				break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4523
			case M88E1000_PHY_SPEC_CTRL:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4524
			case M88E1000_EXT_PHY_SPEC_CTRL:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4525
				if (e1000_phy_reset(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4526
					return -EIO;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4527
				break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4528
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4529
		} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4530
			switch (data->reg_num) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4531
			case PHY_CTRL:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4532
				if (mii_reg & MII_CR_POWER_DOWN)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4533
					break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4534
				if (netif_running(adapter->netdev))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4535
					e1000_reinit_locked(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4536
				else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4537
					e1000_reset(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4538
				break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4539
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4540
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4541
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4542
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4543
		return -EOPNOTSUPP;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4544
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4545
	return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4546
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4547
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4548
void e1000_pci_set_mwi(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4549
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4550
	struct e1000_adapter *adapter = hw->back;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4551
	int ret_val = pci_set_mwi(adapter->pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4552
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4553
	if (ret_val)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4554
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4555
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4556
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4557
void e1000_pci_clear_mwi(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4558
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4559
	struct e1000_adapter *adapter = hw->back;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4560
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4561
	pci_clear_mwi(adapter->pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4562
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4563
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4564
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4565
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4566
	struct e1000_adapter *adapter = hw->back;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4567
	return pcix_get_mmrbc(adapter->pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4568
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4569
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4570
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4571
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4572
	struct e1000_adapter *adapter = hw->back;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4573
	pcix_set_mmrbc(adapter->pdev, mmrbc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4574
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4575
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4576
s32 e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4577
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4578
    struct e1000_adapter *adapter = hw->back;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4579
    u16 cap_offset;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4580
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4581
    cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4582
    if (!cap_offset)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4583
        return -E1000_ERR_CONFIG;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4584
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4585
    pci_read_config_word(adapter->pdev, cap_offset + reg, value);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4586
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4587
    return E1000_SUCCESS;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4588
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4589
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4590
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4591
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4592
	outl(value, port);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4593
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4594
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4595
static void e1000_vlan_rx_register(struct net_device *netdev,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4596
				   struct vlan_group *grp)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4597
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4598
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4599
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4600
	u32 ctrl, rctl;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4601
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4602
	if (!test_bit(__E1000_DOWN, &adapter->flags))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4603
		e1000_irq_disable(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4604
	adapter->vlgrp = grp;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4605
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4606
	if (grp) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4607
		/* enable VLAN tag insert/strip */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4608
		ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4609
		ctrl |= E1000_CTRL_VME;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4610
		ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4611
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4612
		if (adapter->hw.mac_type != e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4613
			/* enable VLAN receive filtering */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4614
			rctl = er32(RCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4615
			rctl &= ~E1000_RCTL_CFIEN;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4616
			ew32(RCTL, rctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4617
			e1000_update_mng_vlan(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4618
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4619
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4620
		/* disable VLAN tag insert/strip */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4621
		ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4622
		ctrl &= ~E1000_CTRL_VME;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4623
		ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4624
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4625
		if (adapter->hw.mac_type != e1000_ich8lan) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4626
			if (adapter->mng_vlan_id !=
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4627
			    (u16)E1000_MNG_VLAN_NONE) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4628
				e1000_vlan_rx_kill_vid(netdev,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4629
				                       adapter->mng_vlan_id);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4630
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4631
			}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4632
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4633
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4634
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4635
	if (!test_bit(__E1000_DOWN, &adapter->flags))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4636
		e1000_irq_enable(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4637
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4638
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4639
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4640
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4641
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4642
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4643
	u32 vfta, index;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4644
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4645
	if ((hw->mng_cookie.status &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4646
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4647
	    (vid == adapter->mng_vlan_id))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4648
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4649
	/* add VID to filter table */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4650
	index = (vid >> 5) & 0x7F;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4651
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4652
	vfta |= (1 << (vid & 0x1F));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4653
	e1000_write_vfta(hw, index, vfta);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4654
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4655
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4656
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4657
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4658
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4659
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4660
	u32 vfta, index;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4661
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4662
	if (!test_bit(__E1000_DOWN, &adapter->flags))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4663
		e1000_irq_disable(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4664
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4665
	if (!test_bit(__E1000_DOWN, &adapter->flags))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4666
		e1000_irq_enable(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4667
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4668
	if ((hw->mng_cookie.status &
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4669
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4670
	    (vid == adapter->mng_vlan_id)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4671
		/* release control to f/w */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4672
		e1000_release_hw_control(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4673
		return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4674
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4675
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4676
	/* remove VID from filter table */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4677
	index = (vid >> 5) & 0x7F;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4678
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4679
	vfta &= ~(1 << (vid & 0x1F));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4680
	e1000_write_vfta(hw, index, vfta);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4681
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4682
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4683
static void e1000_restore_vlan(struct e1000_adapter *adapter)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4684
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4685
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4686
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4687
	if (adapter->vlgrp) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4688
		u16 vid;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4689
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4690
			if (!vlan_group_get_device(adapter->vlgrp, vid))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4691
				continue;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4692
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4693
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4694
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4695
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4696
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4697
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4698
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4699
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4700
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4701
	hw->autoneg = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4702
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4703
	/* Fiber NICs only allow 1000 gbps Full duplex */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4704
	if ((hw->media_type == e1000_media_type_fiber) &&
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4705
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4706
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4707
		return -EINVAL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4708
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4709
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4710
	switch (spddplx) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4711
	case SPEED_10 + DUPLEX_HALF:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4712
		hw->forced_speed_duplex = e1000_10_half;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4713
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4714
	case SPEED_10 + DUPLEX_FULL:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4715
		hw->forced_speed_duplex = e1000_10_full;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4716
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4717
	case SPEED_100 + DUPLEX_HALF:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4718
		hw->forced_speed_duplex = e1000_100_half;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4719
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4720
	case SPEED_100 + DUPLEX_FULL:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4721
		hw->forced_speed_duplex = e1000_100_full;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4722
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4723
	case SPEED_1000 + DUPLEX_FULL:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4724
		hw->autoneg = 1;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4725
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4726
		break;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4727
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4728
	default:
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4729
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4730
		return -EINVAL;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4731
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4732
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4733
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4734
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4735
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4736
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4737
	struct net_device *netdev = pci_get_drvdata(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4738
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4739
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4740
	u32 ctrl, ctrl_ext, rctl, status;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4741
	u32 wufc = adapter->wol;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4742
#ifdef CONFIG_PM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4743
	int retval = 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4744
#endif
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4745
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4746
	if (adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4747
		return -EBUSY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4748
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4749
	netif_device_detach(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4750
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4751
	if (netif_running(netdev)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4752
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4753
		e1000_down(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4754
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4755
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4756
#ifdef CONFIG_PM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4757
	retval = pci_save_state(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4758
	if (retval)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4759
		return retval;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4760
#endif
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4761
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4762
	status = er32(STATUS);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4763
	if (status & E1000_STATUS_LU)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4764
		wufc &= ~E1000_WUFC_LNKC;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4765
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4766
	if (wufc) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4767
		e1000_setup_rctl(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4768
		e1000_set_rx_mode(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4769
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4770
		/* turn on all-multi mode if wake on multicast is enabled */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4771
		if (wufc & E1000_WUFC_MC) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4772
			rctl = er32(RCTL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4773
			rctl |= E1000_RCTL_MPE;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4774
			ew32(RCTL, rctl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4775
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4776
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4777
		if (hw->mac_type >= e1000_82540) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4778
			ctrl = er32(CTRL);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4779
			/* advertise wake from D3Cold */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4780
			#define E1000_CTRL_ADVD3WUC 0x00100000
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4781
			/* phy power management enable */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4782
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4783
			ctrl |= E1000_CTRL_ADVD3WUC |
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4784
				E1000_CTRL_EN_PHY_PWR_MGMT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4785
			ew32(CTRL, ctrl);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4786
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4787
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4788
		if (hw->media_type == e1000_media_type_fiber ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4789
		   hw->media_type == e1000_media_type_internal_serdes) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4790
			/* keep the laser running in D3 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4791
			ctrl_ext = er32(CTRL_EXT);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4792
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4793
			ew32(CTRL_EXT, ctrl_ext);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4794
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4795
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4796
		/* Allow time for pending master requests to run */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4797
		e1000_disable_pciex_master(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4798
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4799
		ew32(WUC, E1000_WUC_PME_EN);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4800
		ew32(WUFC, wufc);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4801
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4802
		ew32(WUC, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4803
		ew32(WUFC, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4804
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4805
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4806
	e1000_release_manageability(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4807
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4808
	*enable_wake = !!wufc;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4809
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4810
	/* make sure adapter isn't asleep if manageability is enabled */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4811
	if (adapter->en_mng_pt)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4812
		*enable_wake = true;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4813
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4814
	if (hw->phy_type == e1000_phy_igp_3)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4815
		e1000_phy_powerdown_workaround(hw);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4816
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4817
	if (netif_running(netdev))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4818
		e1000_free_irq(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4819
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4820
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4821
	 * would have already happened in close and is redundant. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4822
	e1000_release_hw_control(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4823
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4824
	pci_disable_device(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4825
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4826
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4827
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4828
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4829
#ifdef CONFIG_PM
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4830
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4831
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4832
	int retval;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4833
	bool wake;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4834
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4835
	retval = __e1000_shutdown(pdev, &wake);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4836
	if (retval)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4837
		return retval;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4838
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4839
	if (wake) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4840
		pci_prepare_to_sleep(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4841
	} else {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4842
		pci_wake_from_d3(pdev, false);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4843
		pci_set_power_state(pdev, PCI_D3hot);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4844
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4845
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4846
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4847
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4848
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4849
static int e1000_resume(struct pci_dev *pdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4850
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4851
	struct net_device *netdev = pci_get_drvdata(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4852
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4853
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4854
	u32 err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4855
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4856
	if (adapter->ecdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4857
		return -EBUSY;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4858
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4859
	pci_set_power_state(pdev, PCI_D0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4860
	pci_restore_state(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4861
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4862
	if (adapter->need_ioport)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4863
		err = pci_enable_device(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4864
	else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4865
		err = pci_enable_device_mem(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4866
	if (err) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4867
		printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4868
		return err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4869
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4870
	pci_set_master(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4871
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4872
	pci_enable_wake(pdev, PCI_D3hot, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4873
	pci_enable_wake(pdev, PCI_D3cold, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4874
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4875
	if (netif_running(netdev)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4876
		err = e1000_request_irq(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4877
		if (err)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4878
			return err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4879
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4880
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4881
	e1000_power_up_phy(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4882
	e1000_reset(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4883
	ew32(WUS, ~0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4884
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4885
	e1000_init_manageability(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4886
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4887
	if (netif_running(netdev))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4888
		e1000_up(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4889
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4890
	if (!adapter->ecdev) netif_device_attach(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4891
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4892
	/* If the controller is 82573 and f/w is AMT, do not set
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4893
	 * DRV_LOAD until the interface is up.  For all other cases,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4894
	 * let the f/w know that the h/w is now under the control
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4895
	 * of the driver. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4896
	if (hw->mac_type != e1000_82573 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4897
	    !e1000_check_mng_mode(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4898
		e1000_get_hw_control(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4899
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4900
	return 0;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4901
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4902
#endif
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4903
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4904
static void e1000_shutdown(struct pci_dev *pdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4905
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4906
	bool wake;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4907
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4908
	__e1000_shutdown(pdev, &wake);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4909
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4910
	if (system_state == SYSTEM_POWER_OFF) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4911
		pci_wake_from_d3(pdev, wake);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4912
		pci_set_power_state(pdev, PCI_D3hot);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4913
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4914
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4915
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4916
#ifdef CONFIG_NET_POLL_CONTROLLER
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4917
/*
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4918
 * Polling 'interrupt' - used by things like netconsole to send skbs
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4919
 * without having to re-enable interrupts. It's not called while
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4920
 * the interrupt routine is executing.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4921
 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4922
static void e1000_netpoll(struct net_device *netdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4923
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4924
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4925
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4926
	disable_irq(adapter->pdev->irq);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4927
	e1000_intr(adapter->pdev->irq, netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4928
	enable_irq(adapter->pdev->irq);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4929
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4930
#endif
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4931
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4932
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4933
 * e1000_io_error_detected - called when PCI error is detected
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4934
 * @pdev: Pointer to PCI device
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4935
 * @state: The current pci conneection state
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4936
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4937
 * This function is called after a PCI bus error affecting
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4938
 * this device has been detected.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4939
 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4940
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4941
						pci_channel_state_t state)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4942
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4943
	struct net_device *netdev = pci_get_drvdata(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4944
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4945
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4946
	netif_device_detach(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4947
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4948
	if (state == pci_channel_io_perm_failure)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4949
		return PCI_ERS_RESULT_DISCONNECT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4950
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4951
	if (netif_running(netdev))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4952
		e1000_down(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4953
	pci_disable_device(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4954
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4955
	/* Request a slot slot reset. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4956
	return PCI_ERS_RESULT_NEED_RESET;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4957
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4958
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4959
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4960
 * e1000_io_slot_reset - called after the pci bus has been reset.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4961
 * @pdev: Pointer to PCI device
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4962
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4963
 * Restart the card from scratch, as if from a cold-boot. Implementation
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4964
 * resembles the first-half of the e1000_resume routine.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4965
 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4966
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4967
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4968
	struct net_device *netdev = pci_get_drvdata(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4969
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4970
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4971
	int err;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4972
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4973
	if (adapter->need_ioport)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4974
		err = pci_enable_device(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4975
	else
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4976
		err = pci_enable_device_mem(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4977
	if (err) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4978
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4979
		return PCI_ERS_RESULT_DISCONNECT;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4980
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4981
	pci_set_master(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4982
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4983
	pci_enable_wake(pdev, PCI_D3hot, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4984
	pci_enable_wake(pdev, PCI_D3cold, 0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4985
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4986
	e1000_reset(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4987
	ew32(WUS, ~0);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4988
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4989
	return PCI_ERS_RESULT_RECOVERED;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4990
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4991
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4992
/**
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4993
 * e1000_io_resume - called when traffic can start flowing again.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4994
 * @pdev: Pointer to PCI device
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4995
 *
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4996
 * This callback is called when the error recovery driver tells us that
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4997
 * its OK to resume normal operation. Implementation resembles the
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4998
 * second-half of the e1000_resume routine.
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4999
 */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5000
static void e1000_io_resume(struct pci_dev *pdev)
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5001
{
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5002
	struct net_device *netdev = pci_get_drvdata(pdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5003
	struct e1000_adapter *adapter = netdev_priv(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5004
	struct e1000_hw *hw = &adapter->hw;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5005
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5006
	e1000_init_manageability(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5007
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5008
	if (netif_running(netdev)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5009
		if (e1000_up(adapter)) {
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5010
			printk("e1000: can't bring device back up after reset\n");
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5011
			return;
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5012
		}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5013
	}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5014
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5015
	netif_device_attach(netdev);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5016
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5017
	/* If the controller is 82573 and f/w is AMT, do not set
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5018
	 * DRV_LOAD until the interface is up.  For all other cases,
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5019
	 * let the f/w know that the h/w is now under the control
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5020
	 * of the driver. */
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5021
	if (hw->mac_type != e1000_82573 ||
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5022
	    !e1000_check_mng_mode(hw))
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5023
		e1000_get_hw_control(adapter);
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5024
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5025
}
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5026
852668fdae6a Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5027
/* e1000_main.c */