devices/e1000/e1000_main-2.6.31-ethercat.c
author Florian Pose <fp@igh-essen.com>
Tue, 05 Feb 2013 14:58:00 +0100
branchstable-1.5
changeset 2502 906ef8b1c0ec
parent 2471 fc64a4b1ec1a
child 2582 87e502828b3f
permissions -rw-r--r--
FoE datagram / fsm->datagram bugfix, thanks to R. Roesch.
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     1
/*******************************************************************************
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     2
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     3
  Intel PRO/1000 Linux driver
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     4
  Copyright(c) 1999 - 2006 Intel Corporation.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     5
190791fd47d2 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
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     8
  version 2, as published by the Free Software Foundation.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
     9
190791fd47d2 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
190791fd47d2 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
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    13
  more details.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    14
190791fd47d2 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
190791fd47d2 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.,
190791fd47d2 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.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    18
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    20
  the file called "COPYING".
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    21
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    22
  Contact Information:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    23
  Linux NICS <linux.nics@intel.com>
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    24
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    26
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    27
  vim: noexpandtab
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    28
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    29
*******************************************************************************/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    30
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    31
#include "e1000-2.6.31-ethercat.h"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    32
#include <net/ip6_checksum.h>
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    33
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    34
char e1000_driver_name[] = "ec_e1000";
190791fd47d2 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";
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    36
#define DRV_VERSION "7.3.21-k3-NAPI"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    37
const char e1000_driver_version[] = DRV_VERSION;
190791fd47d2 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.";
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    39
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    40
/* e1000_pci_tbl - PCI Device ID Table
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    41
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    42
 * Last entry must be all 0s
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    43
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    44
 * Macro expands to...
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    45
 *   {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    46
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    47
static struct pci_device_id e1000_pci_tbl[] = {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    48
	INTEL_E1000_ETHERNET_DEVICE(0x1000),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    49
	INTEL_E1000_ETHERNET_DEVICE(0x1001),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    50
	INTEL_E1000_ETHERNET_DEVICE(0x1004),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    51
	INTEL_E1000_ETHERNET_DEVICE(0x1008),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    52
	INTEL_E1000_ETHERNET_DEVICE(0x1009),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    53
	INTEL_E1000_ETHERNET_DEVICE(0x100C),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    54
	INTEL_E1000_ETHERNET_DEVICE(0x100D),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    55
	INTEL_E1000_ETHERNET_DEVICE(0x100E),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    56
	INTEL_E1000_ETHERNET_DEVICE(0x100F),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    57
	INTEL_E1000_ETHERNET_DEVICE(0x1010),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    58
	INTEL_E1000_ETHERNET_DEVICE(0x1011),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    59
	INTEL_E1000_ETHERNET_DEVICE(0x1012),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    60
	INTEL_E1000_ETHERNET_DEVICE(0x1013),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    61
	INTEL_E1000_ETHERNET_DEVICE(0x1014),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    62
	INTEL_E1000_ETHERNET_DEVICE(0x1015),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    63
	INTEL_E1000_ETHERNET_DEVICE(0x1016),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    64
	INTEL_E1000_ETHERNET_DEVICE(0x1017),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    65
	INTEL_E1000_ETHERNET_DEVICE(0x1018),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    66
	INTEL_E1000_ETHERNET_DEVICE(0x1019),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    67
	INTEL_E1000_ETHERNET_DEVICE(0x101A),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    68
	INTEL_E1000_ETHERNET_DEVICE(0x101D),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    69
	INTEL_E1000_ETHERNET_DEVICE(0x101E),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    70
	INTEL_E1000_ETHERNET_DEVICE(0x1026),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    71
	INTEL_E1000_ETHERNET_DEVICE(0x1027),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    72
	INTEL_E1000_ETHERNET_DEVICE(0x1028),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    73
	INTEL_E1000_ETHERNET_DEVICE(0x1075),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    74
	INTEL_E1000_ETHERNET_DEVICE(0x1076),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    75
	INTEL_E1000_ETHERNET_DEVICE(0x1077),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    76
	INTEL_E1000_ETHERNET_DEVICE(0x1078),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    77
	INTEL_E1000_ETHERNET_DEVICE(0x1079),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    78
	INTEL_E1000_ETHERNET_DEVICE(0x107A),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    79
	INTEL_E1000_ETHERNET_DEVICE(0x107B),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    80
	INTEL_E1000_ETHERNET_DEVICE(0x107C),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    81
	INTEL_E1000_ETHERNET_DEVICE(0x108A),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    82
	INTEL_E1000_ETHERNET_DEVICE(0x1099),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    83
	INTEL_E1000_ETHERNET_DEVICE(0x10B5),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    84
	/* required last entry */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    85
	{0,}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    86
};
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    87
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    88
// do not auto-load driver
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    89
// MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    90
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    91
int e1000_up(struct e1000_adapter *adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    92
void e1000_down(struct e1000_adapter *adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    93
void e1000_reinit_locked(struct e1000_adapter *adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
    94
void e1000_reset(struct e1000_adapter *adapter);
190791fd47d2 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);
190791fd47d2 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);
190791fd47d2 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);
190791fd47d2 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);
190791fd47d2 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);
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   101
                             struct e1000_tx_ring *txdr);
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   103
                             struct e1000_rx_ring *rxdr);
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   105
                             struct e1000_tx_ring *tx_ring);
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   107
                             struct e1000_rx_ring *rx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   108
void e1000_update_stats(struct e1000_adapter *adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   109
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   110
static int e1000_init_module(void);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   111
static void e1000_exit_module(void);
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   113
static void __devexit e1000_remove(struct pci_dev *pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   114
static int e1000_alloc_queues(struct e1000_adapter *adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   115
static int e1000_sw_init(struct e1000_adapter *adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   116
static int e1000_open(struct net_device *netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   117
static int e1000_close(struct net_device *netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   118
static void e1000_configure_tx(struct e1000_adapter *adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   119
static void e1000_configure_rx(struct e1000_adapter *adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   120
static void e1000_setup_rctl(struct e1000_adapter *adapter);
190791fd47d2 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);
190791fd47d2 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);
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   124
                                struct e1000_tx_ring *tx_ring);
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   126
                                struct e1000_rx_ring *rx_ring);
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   128
static void e1000_update_phy_info(unsigned long data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   129
static void e1000_watchdog(unsigned long data);
190791fd47d2 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);
190791fd47d2 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);
190791fd47d2 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);
190791fd47d2 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);
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   135
void ec_poll(struct net_device *);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   136
static irqreturn_t e1000_intr(int irq, void *data);
190791fd47d2 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);
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   139
			       struct e1000_tx_ring *tx_ring);
190791fd47d2 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);
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   142
			       struct e1000_rx_ring *rx_ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   143
			       int *work_done, int work_to_do);
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   145
                                   struct e1000_rx_ring *rx_ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   146
				   int cleaned_count);
190791fd47d2 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);
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   149
			   int cmd);
190791fd47d2 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);
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   152
static void e1000_tx_timeout(struct net_device *dev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   153
static void e1000_reset_task(struct work_struct *work);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   154
static void e1000_smartspeed(struct e1000_adapter *adapter);
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   156
                                       struct sk_buff *skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   157
190791fd47d2 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);
190791fd47d2 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);
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   161
static void e1000_restore_vlan(struct e1000_adapter *adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   162
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   163
#ifdef CONFIG_PM
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   165
static int e1000_resume(struct pci_dev *pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   166
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   167
static void e1000_shutdown(struct pci_dev *pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   168
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   169
#ifdef CONFIG_NET_POLL_CONTROLLER
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   170
/* for netdump / net console */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   171
static void e1000_netpoll (struct net_device *netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   172
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   173
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   174
#define COPYBREAK_DEFAULT 256
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   175
static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   176
module_param(copybreak, uint, 0644);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   177
MODULE_PARM_DESC(copybreak,
190791fd47d2 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");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   179
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   181
                     pci_channel_state_t state);
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   183
static void e1000_io_resume(struct pci_dev *pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   184
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   185
static struct pci_error_handlers e1000_err_handler = {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   186
	.error_detected = e1000_io_error_detected,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   187
	.slot_reset = e1000_io_slot_reset,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   188
	.resume = e1000_io_resume,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   189
};
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   190
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   191
static struct pci_driver e1000_driver = {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   192
	.name     = e1000_driver_name,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   193
	.id_table = e1000_pci_tbl,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   194
	.probe    = e1000_probe,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   195
	.remove   = __devexit_p(e1000_remove),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   196
#ifdef CONFIG_PM
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   197
	/* Power Managment Hooks */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   198
	.suspend  = e1000_suspend,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   199
	.resume   = e1000_resume,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   200
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   201
	.shutdown = e1000_shutdown,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   202
	.err_handler = &e1000_err_handler
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   203
};
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   204
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   205
MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
190791fd47d2 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");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   207
MODULE_LICENSE("GPL");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   208
MODULE_VERSION(DRV_VERSION);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   209
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   210
static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   211
module_param(debug, int, 0);
190791fd47d2 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)");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   213
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   214
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   215
 * e1000_init_module - Driver Registration Routine
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   216
 *
190791fd47d2 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
190791fd47d2 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.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   219
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   220
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   221
static int __init e1000_init_module(void)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   222
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   223
	int ret;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   224
	printk(KERN_INFO "%s - version %s\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   225
	       e1000_driver_string, e1000_driver_version);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   226
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   227
	printk(KERN_INFO "%s\n", e1000_copyright);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   228
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   229
	ret = pci_register_driver(&e1000_driver);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   230
	if (copybreak != COPYBREAK_DEFAULT) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   231
		if (copybreak == 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   232
			printk(KERN_INFO "e1000: copybreak disabled\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   233
		else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   234
			printk(KERN_INFO "e1000: copybreak enabled for "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   235
			       "packets <= %u bytes\n", copybreak);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   236
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   237
	return ret;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   238
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   239
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   240
module_init(e1000_init_module);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   241
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   242
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   243
 * e1000_exit_module - Driver Exit Cleanup Routine
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   244
 *
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   246
 * from memory.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   247
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   248
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   249
static void __exit e1000_exit_module(void)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   250
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   251
	pci_unregister_driver(&e1000_driver);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   252
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   253
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   254
module_exit(e1000_exit_module);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   255
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   256
static int e1000_request_irq(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   257
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   258
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   259
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   260
	irq_handler_t handler = e1000_intr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   261
	int irq_flags = IRQF_SHARED;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   262
	int err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   263
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   264
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   265
		return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   266
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   267
	if (hw->mac_type >= e1000_82571) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   268
		adapter->have_msi = !pci_enable_msi(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   269
		if (adapter->have_msi) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   270
			handler = e1000_intr_msi;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   271
			irq_flags = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   272
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   273
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   274
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   276
	                  netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   277
	if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   278
		if (adapter->have_msi)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   279
			pci_disable_msi(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   280
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   281
		        "Unable to allocate interrupt Error: %d\n", err);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   282
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   283
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   284
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   285
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   286
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   287
static void e1000_free_irq(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   288
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   289
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   290
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   291
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   292
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   293
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   294
	free_irq(adapter->pdev->irq, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   295
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   296
	if (adapter->have_msi)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   297
		pci_disable_msi(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   298
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   299
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   300
/**
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   302
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   303
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   304
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   305
static void e1000_irq_disable(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   306
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   307
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   308
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   309
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   310
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   311
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   312
	ew32(IMC, ~0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   313
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   314
	synchronize_irq(adapter->pdev->irq);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   315
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   316
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   317
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   318
 * e1000_irq_enable - Enable default interrupt generation settings
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   319
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   320
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   321
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   322
static void e1000_irq_enable(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   323
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   324
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   325
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   326
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   327
		return;
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2212
diff changeset
   328
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   329
	ew32(IMS, IMS_ENABLE_MASK);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   330
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   331
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   332
190791fd47d2 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)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   334
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   335
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   336
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   337
	u16 vid = hw->mng_cookie.vlan_id;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   338
	u16 old_vid = adapter->mng_vlan_id;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   339
	if (adapter->vlgrp) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   340
		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   341
			if (hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   342
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   343
				e1000_vlan_rx_add_vid(netdev, vid);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   344
				adapter->mng_vlan_id = vid;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   345
			} else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   346
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   347
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   348
			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   349
					(vid != old_vid) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   350
			    !vlan_group_get_device(adapter->vlgrp, old_vid))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   351
				e1000_vlan_rx_kill_vid(netdev, old_vid);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   352
		} else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   353
			adapter->mng_vlan_id = vid;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   354
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   355
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   356
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   357
/**
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   359
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   360
 *
190791fd47d2 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.
190791fd47d2 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
190791fd47d2 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
190791fd47d2 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.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   365
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   366
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   367
190791fd47d2 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)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   369
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   370
	u32 ctrl_ext;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   371
	u32 swsm;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   372
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   373
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   374
	/* Let firmware taken over control of h/w */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   375
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   376
	case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   377
		swsm = er32(SWSM);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   378
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   379
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   380
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   381
	case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   382
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   383
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   384
		ctrl_ext = er32(CTRL_EXT);
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   386
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   387
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   388
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   389
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   390
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   391
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   392
/**
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   394
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   395
 *
190791fd47d2 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.
190791fd47d2 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
190791fd47d2 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)
190791fd47d2 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.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   400
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   401
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   402
190791fd47d2 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)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   404
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   405
	u32 ctrl_ext;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   406
	u32 swsm;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   407
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   408
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   409
	/* Let firmware know the driver has taken over */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   410
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   411
	case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   412
		swsm = er32(SWSM);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   413
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   414
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   415
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   416
	case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   417
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   418
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   419
		ctrl_ext = er32(CTRL_EXT);
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   421
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   422
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   423
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   424
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   425
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   426
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   427
static void e1000_init_manageability(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   428
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   429
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   430
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   431
	if (adapter->en_mng_pt) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   432
		u32 manc = er32(MANC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   433
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   434
		/* disable hardware interception of ARP */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   435
		manc &= ~(E1000_MANC_ARP_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   436
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   437
		/* enable receiving management packets to the host */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   438
		/* this will probably generate destination unreachable messages
190791fd47d2 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 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   440
		if (hw->has_manc2h) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   441
			u32 manc2h = er32(MANC2H);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   442
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   443
			manc |= E1000_MANC_EN_MNG2HOST;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   444
#define E1000_MNG2HOST_PORT_623 (1 << 5)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   445
#define E1000_MNG2HOST_PORT_664 (1 << 6)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   446
			manc2h |= E1000_MNG2HOST_PORT_623;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   447
			manc2h |= E1000_MNG2HOST_PORT_664;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   448
			ew32(MANC2H, manc2h);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   449
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   450
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   451
		ew32(MANC, manc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   452
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   453
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   454
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   455
static void e1000_release_manageability(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   456
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   457
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   458
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   459
	if (adapter->en_mng_pt) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   460
		u32 manc = er32(MANC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   461
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   462
		/* re-enable hardware interception of ARP */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   463
		manc |= E1000_MANC_ARP_EN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   464
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   465
		if (hw->has_manc2h)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   466
			manc &= ~E1000_MANC_EN_MNG2HOST;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   467
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   468
		/* don't explicitly have to mess with MANC2H since
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   469
		 * MANC has an enable disable that gates MANC2H */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   470
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   471
		ew32(MANC, manc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   472
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   473
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   474
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   475
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   476
 * e1000_configure - configure the hardware for RX and TX
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   477
 * @adapter = private board structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   478
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   479
static void e1000_configure(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   480
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   481
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   482
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   483
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   484
	e1000_set_rx_mode(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   485
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   486
	e1000_restore_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   487
	e1000_init_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   488
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   489
	e1000_configure_tx(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   490
	e1000_setup_rctl(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   491
	e1000_configure_rx(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   492
	/* call E1000_DESC_UNUSED which always leaves
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   493
	 * at least 1 descriptor unused to make sure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   494
	 * next_to_use != next_to_clean */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   495
	for (i = 0; i < adapter->num_rx_queues; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   496
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   497
		if (adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   498
			/* fill rx ring completely! */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   499
			adapter->alloc_rx_buf(adapter, ring, ring->count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   500
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   501
            /* this one leaves the last ring element unallocated! */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   502
			adapter->alloc_rx_buf(adapter, ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   503
					E1000_DESC_UNUSED(ring));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   504
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   505
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   506
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   507
	adapter->tx_queue_len = netdev->tx_queue_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   508
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   509
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   510
int e1000_up(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   511
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   512
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   513
190791fd47d2 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 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   515
	e1000_configure(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   516
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   517
	clear_bit(__E1000_DOWN, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   518
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   519
	if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   520
		napi_enable(&adapter->napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   521
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   522
		e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   523
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   524
		netif_wake_queue(adapter->netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   525
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   526
		/* fire a link change interrupt to start the watchdog */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   527
		ew32(ICS, E1000_ICS_LSC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   528
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   529
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   530
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   531
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   532
/**
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   534
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   535
 *
190791fd47d2 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
190791fd47d2 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)
190791fd47d2 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 ***
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   539
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   540
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   541
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   542
void e1000_power_up_phy(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   543
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   544
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   545
	u16 mii_reg = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   546
190791fd47d2 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 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   548
	if (hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   549
		/* according to the manual, the phy will retain its
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   550
		 * settings across a power-down/up cycle */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   551
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   552
		mii_reg &= ~MII_CR_POWER_DOWN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   553
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   554
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   555
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   556
190791fd47d2 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)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   558
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   559
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   560
190791fd47d2 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 *
190791fd47d2 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 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   563
	 * (a) WoL is enabled
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   564
	 * (b) AMT is active
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   565
	 * (c) SoL/IDER session is active */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   566
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   567
	   hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   568
		u16 mii_reg = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   569
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   570
		switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   571
		case e1000_82540:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   572
		case e1000_82545:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   573
		case e1000_82545_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   574
		case e1000_82546:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   575
		case e1000_82546_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   576
		case e1000_82541:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   577
		case e1000_82541_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   578
		case e1000_82547:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   579
		case e1000_82547_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   580
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   581
				goto out;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   582
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   583
		case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   584
		case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   585
		case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   586
		case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   587
		case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   588
			if (e1000_check_mng_mode(hw) ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   589
			    e1000_check_phy_reset_block(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   590
				goto out;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   591
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   592
		default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   593
			goto out;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   594
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   595
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   596
		mii_reg |= MII_CR_POWER_DOWN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   597
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   598
		mdelay(1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   599
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   600
out:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   601
	return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   602
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   603
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   604
void e1000_down(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   605
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   606
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   607
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   608
	u32 rctl, tctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   609
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   611
	 * reschedule our watchdog timer */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   612
	set_bit(__E1000_DOWN, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   613
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   614
	/* disable receives in the hardware */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   615
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   616
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   617
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   618
	if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   619
		/* flush and sleep below */
190791fd47d2 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 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   621
		netif_stop_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   622
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   623
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   624
	/* disable transmits in the hardware */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   625
	tctl = er32(TCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   626
	tctl &= ~E1000_TCTL_EN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   627
	ew32(TCTL, tctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   628
	/* flush both disables and wait for them to finish */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   629
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   630
	msleep(10);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   631
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   632
	if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   633
		napi_disable(&adapter->napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   634
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   635
		e1000_irq_disable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   636
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   637
		del_timer_sync(&adapter->tx_fifo_stall_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   638
		del_timer_sync(&adapter->watchdog_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   639
		del_timer_sync(&adapter->phy_info_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   640
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   641
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   642
	netdev->tx_queue_len = adapter->tx_queue_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   643
	adapter->link_speed = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   644
	adapter->link_duplex = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   645
	if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   646
		netif_carrier_off(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   647
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   648
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   649
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   650
	e1000_clean_all_tx_rings(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   651
	e1000_clean_all_rx_rings(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   652
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   653
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   654
void e1000_reinit_locked(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   655
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   656
	WARN_ON(in_interrupt());
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   657
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   658
		msleep(1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   659
	e1000_down(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   660
	e1000_up(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   661
	clear_bit(__E1000_RESETTING, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   662
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   663
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   664
void e1000_reset(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   665
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   666
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 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;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   668
	u16 fc_high_water_mark = E1000_FC_HIGH_DIFF;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   669
	bool legacy_pba_adjust = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   670
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   671
	/* Repartition Pba for greater than 9k mtu
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   672
	 * To take effect CTRL.RST is required.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   673
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   674
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   675
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   676
	case e1000_82542_rev2_0:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   677
	case e1000_82542_rev2_1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   678
	case e1000_82543:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   679
	case e1000_82544:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   680
	case e1000_82540:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   681
	case e1000_82541:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   682
	case e1000_82541_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   683
		legacy_pba_adjust = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   684
		pba = E1000_PBA_48K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   685
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   686
	case e1000_82545:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   687
	case e1000_82545_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   688
	case e1000_82546:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   689
	case e1000_82546_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   690
		pba = E1000_PBA_48K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   691
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   692
	case e1000_82547:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   693
	case e1000_82547_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   694
		legacy_pba_adjust = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   695
		pba = E1000_PBA_30K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   696
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   697
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   698
	case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   699
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   700
		pba = E1000_PBA_38K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   701
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   702
	case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   703
		pba = E1000_PBA_20K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   704
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   705
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   706
		pba = E1000_PBA_8K;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   707
	case e1000_undefined:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   708
	case e1000_num_macs:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   709
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   710
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   711
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   712
	if (legacy_pba_adjust) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   713
		if (adapter->netdev->mtu > E1000_RXBUFFER_8192)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   714
			pba -= 8; /* allocate more FIFO for Tx */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   715
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   716
		if (hw->mac_type == e1000_82547) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   717
			adapter->tx_fifo_head = 0;
190791fd47d2 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;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   719
			adapter->tx_fifo_size =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   720
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   721
			atomic_set(&adapter->tx_fifo_stall, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   722
		}
190791fd47d2 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) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   724
		/* adjust PBA for jumbo frames */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   725
		ew32(PBA, pba);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   726
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   728
		 * large enough to accomodate two full transmit packets,
190791fd47d2 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,
190791fd47d2 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
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   732
		 * expressed in KB. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   733
		pba = er32(PBA);
190791fd47d2 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 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   735
		tx_space = pba >> 16;
190791fd47d2 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 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   737
		pba &= 0xffff;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   738
		/* don't include ethernet FCS because hardware appends/strips */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   739
		min_rx_space = adapter->netdev->mtu + ENET_HEADER_SIZE +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   740
		               VLAN_TAG_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   741
		min_tx_space = min_rx_space;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   742
		min_tx_space *= 2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   743
		min_tx_space = ALIGN(min_tx_space, 1024);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   744
		min_tx_space >>= 10;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   745
		min_rx_space = ALIGN(min_rx_space, 1024);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   746
		min_rx_space >>= 10;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   747
190791fd47d2 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,
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   750
		 * allocation, take space away from current Rx allocation */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   751
		if (tx_space < min_tx_space &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   752
		    ((min_tx_space - tx_space) < pba)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   753
			pba = pba - (min_tx_space - tx_space);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   754
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   755
			/* PCI/PCIx hardware has PBA alignment constraints */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   756
			switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   757
			case e1000_82545 ... e1000_82546_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   758
				pba &= ~(E1000_PBA_8K - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   759
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   760
			default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   761
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   762
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   763
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   765
			 * adjustment or use Early Receive if available */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   766
			if (pba < min_rx_space) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   767
				switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   768
				case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   769
					/* ERT enabled in e1000_configure_rx */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   770
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   771
				default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   772
					pba = min_rx_space;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   773
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   774
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   775
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   776
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   777
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   778
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   779
	ew32(PBA, pba);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   780
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   781
	/* flow control settings */
190791fd47d2 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.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   783
	 * Required to clear last 3 LSB */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   784
	fc_high_water_mark = ((pba * 9216)/10) & 0xFFF8;
190791fd47d2 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
190791fd47d2 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
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   788
	 *  mark. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   789
	if (pba < E1000_PBA_16K)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   790
		fc_high_water_mark = (pba * 1024) - 1600;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   791
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   792
	hw->fc_high_water = fc_high_water_mark;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   793
	hw->fc_low_water = fc_high_water_mark - 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   794
	if (hw->mac_type == e1000_80003es2lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   795
		hw->fc_pause_time = 0xFFFF;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   796
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   797
		hw->fc_pause_time = E1000_FC_PAUSE_TIME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   798
	hw->fc_send_xon = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   799
	hw->fc = hw->original_fc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   800
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   801
	/* Allow time for pending master requests to run */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   802
	e1000_reset_hw(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   803
	if (hw->mac_type >= e1000_82544)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   804
		ew32(WUC, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   805
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   806
	if (e1000_init_hw(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   807
		DPRINTK(PROBE, ERR, "Hardware Error\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   808
	e1000_update_mng_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   809
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   810
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   811
	if (hw->mac_type >= e1000_82544 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   812
	    hw->mac_type <= e1000_82547_rev_2 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   813
	    hw->autoneg == 1 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   814
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   815
		u32 ctrl = er32(CTRL);
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   817
		 * which if enabled will attempt negotiation to 100Mb, which
190791fd47d2 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 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   819
		ctrl &= ~E1000_CTRL_SWDPIN3;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   820
		ew32(CTRL, ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   821
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   822
190791fd47d2 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 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   824
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   825
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   826
	e1000_reset_adaptive(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   827
	e1000_phy_get_info(hw, &adapter->phy_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   828
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   829
	if (!adapter->smart_power_down &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   830
	    (hw->mac_type == e1000_82571 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   831
	     hw->mac_type == e1000_82572)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   832
		u16 phy_data = 0;
190791fd47d2 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
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   835
		 * different we would do if it failed */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   836
		e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   837
		                   &phy_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   838
		phy_data &= ~IGP02E1000_PM_SPD;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   839
		e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   840
		                    phy_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   841
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   842
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   843
	e1000_release_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   844
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   845
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   846
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   847
 *  Dump the eeprom for users having checksum issues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   848
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   849
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   850
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   851
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   852
	struct ethtool_eeprom eeprom;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   853
	const struct ethtool_ops *ops = netdev->ethtool_ops;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   854
	u8 *data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   855
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   856
	u16 csum_old, csum_new = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   857
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   858
	eeprom.len = ops->get_eeprom_len(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   859
	eeprom.offset = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   860
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   861
	data = kmalloc(eeprom.len, GFP_KERNEL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   862
	if (!data) {
190791fd47d2 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"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   864
		       " data\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   865
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   866
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   867
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   868
	ops->get_eeprom(netdev, &eeprom, data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   869
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   870
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   871
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
190791fd47d2 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)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   873
		csum_new += data[i] + (data[i + 1] << 8);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   874
	csum_new = EEPROM_SUM - csum_new;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   875
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   876
	printk(KERN_ERR "/*********************/\n");
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   878
	printk(KERN_ERR "Calculated              : 0x%04x\n", csum_new);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   879
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   880
	printk(KERN_ERR "Offset    Values\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   881
	printk(KERN_ERR "========  ======\n");
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   883
190791fd47d2 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 "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   885
	       "provider.\n");
190791fd47d2 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 "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   887
	       "happened to your hardware or\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   888
	printk(KERN_ERR "EEPROM image. Ignoring this "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   889
	       "problem could result in further problems,\n");
190791fd47d2 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");
190791fd47d2 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, "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   892
	       "which is invalid\n");
190791fd47d2 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 "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   894
	       "address manually before continuing\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   895
	printk(KERN_ERR "to enable this network device.\n");
190791fd47d2 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 "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   897
	       "to your hardware vendor\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   898
	printk(KERN_ERR "or Intel Customer Support.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   899
	printk(KERN_ERR "/*********************/\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   900
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   901
	kfree(data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   902
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   903
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   904
/**
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   906
 * @pdev: PCI device information struct
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   907
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   908
 * Return true if an adapter needs ioport resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   909
 **/
190791fd47d2 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)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   911
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   912
	switch (pdev->device) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   913
	case E1000_DEV_ID_82540EM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   914
	case E1000_DEV_ID_82540EM_LOM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   915
	case E1000_DEV_ID_82540EP:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   916
	case E1000_DEV_ID_82540EP_LOM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   917
	case E1000_DEV_ID_82540EP_LP:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   918
	case E1000_DEV_ID_82541EI:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   919
	case E1000_DEV_ID_82541EI_MOBILE:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   920
	case E1000_DEV_ID_82541ER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   921
	case E1000_DEV_ID_82541ER_LOM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   922
	case E1000_DEV_ID_82541GI:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   923
	case E1000_DEV_ID_82541GI_LF:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   924
	case E1000_DEV_ID_82541GI_MOBILE:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   925
	case E1000_DEV_ID_82544EI_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   926
	case E1000_DEV_ID_82544EI_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   927
	case E1000_DEV_ID_82544GC_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   928
	case E1000_DEV_ID_82544GC_LOM:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   929
	case E1000_DEV_ID_82545EM_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   930
	case E1000_DEV_ID_82545EM_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   931
	case E1000_DEV_ID_82546EB_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   932
	case E1000_DEV_ID_82546EB_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   933
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   934
		return true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   935
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   936
		return false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   937
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   938
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   939
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   940
static const struct net_device_ops e1000_netdev_ops = {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   941
	.ndo_open		= e1000_open,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   942
	.ndo_stop		= e1000_close,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   943
	.ndo_start_xmit		= e1000_xmit_frame,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   944
	.ndo_get_stats		= e1000_get_stats,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   945
	.ndo_set_rx_mode	= e1000_set_rx_mode,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   946
	.ndo_set_mac_address	= e1000_set_mac,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   947
	.ndo_tx_timeout 	= e1000_tx_timeout,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   948
	.ndo_change_mtu		= e1000_change_mtu,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   949
	.ndo_do_ioctl		= e1000_ioctl,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   950
	.ndo_validate_addr	= eth_validate_addr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   951
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   952
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
190791fd47d2 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,
190791fd47d2 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,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   955
#ifdef CONFIG_NET_POLL_CONTROLLER
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   956
	.ndo_poll_controller	= e1000_netpoll,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   957
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   958
};
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   959
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   960
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   961
 * e1000_probe - Device Initialization Routine
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   962
 * @pdev: PCI device information struct
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   963
 * @ent: entry in e1000_pci_tbl
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   964
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   965
 * Returns 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   966
 *
190791fd47d2 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.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   968
 * The OS initialization, configuring of the adapter private structure,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   969
 * and a hardware reset occur.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   970
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   971
static int __devinit e1000_probe(struct pci_dev *pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   972
				 const struct pci_device_id *ent)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   973
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   974
	struct net_device *netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   975
	struct e1000_adapter *adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   976
	struct e1000_hw *hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   977
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   978
	static int cards_found = 0;
190791fd47d2 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 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   980
	int i, err, pci_using_dac;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   981
	u16 eeprom_data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   982
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   983
	int bars, need_ioport;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   984
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   985
	/* do not allocate ioport bars when not needed */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   986
	need_ioport = e1000_is_need_ioport(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   987
	if (need_ioport) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   988
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   989
		err = pci_enable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   990
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   991
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   992
		err = pci_enable_device_mem(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   993
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   994
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   995
		return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   996
190791fd47d2 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)) &&
190791fd47d2 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))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
   999
		pci_using_dac = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1000
	} else {
190791fd47d2 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));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1002
		if (err) {
190791fd47d2 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));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1004
			if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1005
				E1000_ERR("No usable DMA configuration, "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1006
					  "aborting\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1007
				goto err_dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1008
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1009
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1010
		pci_using_dac = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1011
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1012
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1014
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1015
		goto err_pci_reg;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1016
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1017
	pci_set_master(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1018
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1019
	err = -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1020
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1021
	if (!netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1022
		goto err_alloc_etherdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1023
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1024
	SET_NETDEV_DEV(netdev, &pdev->dev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1025
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1026
	pci_set_drvdata(pdev, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1027
	adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1028
	adapter->netdev = netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1029
	adapter->pdev = pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1030
	adapter->msg_enable = (1 << debug) - 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1031
	adapter->bars = bars;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1032
	adapter->need_ioport = need_ioport;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1033
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1034
	hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1035
	hw->back = adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1036
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1037
	err = -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1038
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1039
	if (!hw->hw_addr)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1040
		goto err_ioremap;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1041
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1042
	if (adapter->need_ioport) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1043
		for (i = BAR_1; i <= BAR_5; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1044
			if (pci_resource_len(pdev, i) == 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1045
				continue;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1046
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1047
				hw->io_base = pci_resource_start(pdev, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1048
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1049
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1050
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1051
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1052
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1053
	netdev->netdev_ops = &e1000_netdev_ops;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1054
	e1000_set_ethtool_ops(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1055
	netdev->watchdog_timeo = 5 * HZ;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1056
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1057
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1059
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1060
	adapter->bd_number = cards_found;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1061
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1062
	/* setup the private structure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1063
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1064
	err = e1000_sw_init(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1065
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1066
		goto err_sw_init;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1067
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1068
	err = -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1069
	/* Flash BAR mapping must happen after e1000_sw_init
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1070
	 * because it depends on mac_type */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1071
	if ((hw->mac_type == e1000_ich8lan) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1072
	   (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1073
		hw->flash_address = pci_ioremap_bar(pdev, 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1074
		if (!hw->flash_address)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1075
			goto err_flashmap;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1076
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1077
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1078
	if (e1000_check_phy_reset_block(hw))
190791fd47d2 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");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1080
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1081
	if (hw->mac_type >= e1000_82543) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1082
		netdev->features = NETIF_F_SG |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1083
				   NETIF_F_HW_CSUM |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1084
				   NETIF_F_HW_VLAN_TX |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1085
				   NETIF_F_HW_VLAN_RX |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1086
				   NETIF_F_HW_VLAN_FILTER;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1087
		if (hw->mac_type == e1000_ich8lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1088
			netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1089
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1090
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1091
	if ((hw->mac_type >= e1000_82544) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1092
	   (hw->mac_type != e1000_82547))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1093
		netdev->features |= NETIF_F_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1094
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1095
	if (hw->mac_type > e1000_82547_rev_2)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1096
		netdev->features |= NETIF_F_TSO6;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1097
	if (pci_using_dac)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1098
		netdev->features |= NETIF_F_HIGHDMA;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1099
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1100
	netdev->vlan_features |= NETIF_F_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1101
	netdev->vlan_features |= NETIF_F_TSO6;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1102
	netdev->vlan_features |= NETIF_F_HW_CSUM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1103
	netdev->vlan_features |= NETIF_F_SG;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1104
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1106
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1107
	/* initialize eeprom parameters */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1108
	if (e1000_init_eeprom_params(hw)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1109
		E1000_ERR("EEPROM initialization failed\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1110
		goto err_eeprom;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1111
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1112
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1113
	/* before reading the EEPROM, reset the controller to
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1114
	 * put the device in a known good starting state */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1115
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1116
	e1000_reset_hw(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1117
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1118
	/* make sure the EEPROM is good */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1119
	if (e1000_validate_eeprom_checksum(hw) < 0) {
190791fd47d2 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");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1121
		e1000_dump_eeprom(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1122
		/*
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1124
		 * disable this device for the user. This blocks regular
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1125
		 * traffic while still permitting ethtool ioctls from reaching
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1127
		 * interface after manually setting a hw addr using
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1128
		 * `ip set address`
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1129
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1130
		memset(hw->mac_addr, 0, netdev->addr_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1131
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1132
		/* copy the MAC address out of the EEPROM */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1133
		if (e1000_read_mac_addr(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1134
			DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1135
	}
190791fd47d2 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 */
190791fd47d2 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);
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1139
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1140
	if (!is_valid_ether_addr(netdev->perm_addr))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1141
		DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1142
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1143
	e1000_get_bus_info(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1144
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1145
	init_timer(&adapter->tx_fifo_stall_timer);
190791fd47d2 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;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1147
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1148
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1149
	init_timer(&adapter->watchdog_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1150
	adapter->watchdog_timer.function = &e1000_watchdog;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1151
	adapter->watchdog_timer.data = (unsigned long) adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1152
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1153
	init_timer(&adapter->phy_info_timer);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1154
	adapter->phy_info_timer.function = &e1000_update_phy_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1155
	adapter->phy_info_timer.data = (unsigned long)adapter;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1156
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1157
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1158
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1159
	e1000_check_options(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1160
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1161
	/* Initial Wake on LAN setting
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1162
	 * If APM wake is enabled in the EEPROM,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1163
	 * enable the ACPI Magic Packet filter
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1164
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1165
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1166
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1167
	case e1000_82542_rev2_0:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1168
	case e1000_82542_rev2_1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1169
	case e1000_82543:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1170
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1171
	case e1000_82544:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1172
		e1000_read_eeprom(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1173
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1174
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1175
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1176
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1177
		e1000_read_eeprom(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1178
			EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1179
		eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1180
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1181
	case e1000_82546:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1182
	case e1000_82546_rev_3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1183
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1184
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1185
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1186
			e1000_read_eeprom(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1187
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1188
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1189
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1190
		/* Fall Through */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1191
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1192
		e1000_read_eeprom(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1193
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1194
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1195
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1196
	if (eeprom_data & eeprom_apme_mask)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1197
		adapter->eeprom_wol |= E1000_WUFC_MAG;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1198
190791fd47d2 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
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1201
	 * wake on lan on a particular port */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1202
	switch (pdev->device) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1203
	case E1000_DEV_ID_82546GB_PCIE:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1204
		adapter->eeprom_wol = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1205
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1206
	case E1000_DEV_ID_82546EB_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1207
	case E1000_DEV_ID_82546GB_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1208
	case E1000_DEV_ID_82571EB_FIBER:
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1210
		 * regardless of eeprom setting */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1211
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1212
			adapter->eeprom_wol = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1213
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1214
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1215
	case E1000_DEV_ID_82571EB_QUAD_COPPER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1216
	case E1000_DEV_ID_82571EB_QUAD_FIBER:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1217
	case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1218
	case E1000_DEV_ID_82571PT_QUAD_COPPER:
190791fd47d2 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 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1220
		if (global_quad_port_a != 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1221
			adapter->eeprom_wol = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1222
		else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1223
			adapter->quad_port_a = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1224
		/* Reset for multiple quad port adapters */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1225
		if (++global_quad_port_a == 4)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1226
			global_quad_port_a = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1227
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1228
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1229
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1230
	/* initialize the wol settings based on the eeprom settings */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1231
	adapter->wol = adapter->eeprom_wol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1232
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1233
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1234
	/* print bus type/speed/width info */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1235
	DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1236
		((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1237
		 (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
190791fd47d2 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" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1239
		 (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1240
		 (hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1241
		 (hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1242
		 (hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1243
		((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
190791fd47d2 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" :
190791fd47d2 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" :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1246
		 "32-bit"));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1247
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1248
	printk("%pM\n", netdev->dev_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1249
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1250
	if (hw->bus_type == e1000_bus_type_pci_express) {
190791fd47d2 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 "
190791fd47d2 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",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1253
			pdev->vendor, pdev->device);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1254
		DPRINTK(PROBE, WARNING, "please use the \"e1000e\" "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1255
			"driver instead.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1256
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1257
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1258
	/* reset the hardware with the new settings */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1259
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1260
190791fd47d2 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
190791fd47d2 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,
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1264
	 * of the driver. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1265
	if (hw->mac_type != e1000_82573 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1266
	    !e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1267
		e1000_get_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1268
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1269
 	// offer device to EtherCAT master module
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1270
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1271
	if (adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1272
		if (ecdev_open(adapter->ecdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1273
			ecdev_withdraw(adapter->ecdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1274
			goto err_register;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1275
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1276
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1277
		strcpy(netdev->name, "eth%d");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1278
		err = register_netdev(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1279
		if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1280
			goto err_register;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1281
190791fd47d2 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 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1283
		netif_carrier_off(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1284
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1285
190791fd47d2 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");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1287
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1288
	cards_found++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1289
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1290
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1291
err_register:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1292
	e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1293
err_eeprom:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1294
	if (!e1000_check_phy_reset_block(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1295
		e1000_phy_hw_reset(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1296
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1297
	if (hw->flash_address)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1298
		iounmap(hw->flash_address);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1299
err_flashmap:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1300
	kfree(adapter->tx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1301
	kfree(adapter->rx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1302
err_sw_init:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1303
	iounmap(hw->hw_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1304
err_ioremap:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1305
	free_netdev(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1306
err_alloc_etherdev:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1307
	pci_release_selected_regions(pdev, bars);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1308
err_pci_reg:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1309
err_dma:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1310
	pci_disable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1311
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1312
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1313
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1314
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1315
 * e1000_remove - Device Removal Routine
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1316
 * @pdev: PCI device information struct
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1317
 *
190791fd47d2 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
190791fd47d2 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
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1321
 * memory.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1322
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1323
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1324
static void __devexit e1000_remove(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1325
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1326
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1327
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1328
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1329
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1330
	cancel_work_sync(&adapter->reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1331
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1332
	e1000_release_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1333
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1335
	 * would have already happened in close and is redundant. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1336
	e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1337
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1338
	if (adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1339
		ecdev_close(adapter->ecdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1340
		ecdev_withdraw(adapter->ecdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1341
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1342
		unregister_netdev(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1343
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1344
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1345
	if (!e1000_check_phy_reset_block(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1346
		e1000_phy_hw_reset(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1347
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1348
	kfree(adapter->tx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1349
	kfree(adapter->rx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1350
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1351
	iounmap(hw->hw_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1352
	if (hw->flash_address)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1353
		iounmap(hw->flash_address);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1354
	pci_release_selected_regions(pdev, adapter->bars);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1355
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1356
	free_netdev(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1357
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1358
	pci_disable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1359
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1360
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1361
/**
190791fd47d2 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)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1363
 * @adapter: board private structure to initialize
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1364
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1365
 * e1000_sw_init initializes the Adapter private data structure.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1366
 * Fields are initialized based on PCI device information and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1367
 * OS network device settings (MTU size).
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1368
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1369
190791fd47d2 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)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1371
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1372
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1373
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1374
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1375
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1376
	/* PCI config space info */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1377
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1378
	hw->vendor_id = pdev->vendor;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1379
	hw->device_id = pdev->device;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1380
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1381
	hw->subsystem_id = pdev->subsystem_device;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1382
	hw->revision_id = pdev->revision;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1383
190791fd47d2 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);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1385
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1386
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1387
	hw->max_frame_size = netdev->mtu +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1388
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1389
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1390
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1391
	/* identify the MAC */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1392
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1393
	if (e1000_set_mac_type(hw)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1394
		DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1395
		return -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1396
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1397
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1398
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1399
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1400
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1401
	case e1000_82541:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1402
	case e1000_82547:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1403
	case e1000_82541_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1404
	case e1000_82547_rev_2:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1405
		hw->phy_init_script = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1406
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1407
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1408
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1409
	e1000_set_media_type(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1410
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1411
	hw->wait_autoneg_complete = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1412
	hw->tbi_compatibility_en = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1413
	hw->adaptive_ifs = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1414
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1415
	/* Copper options */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1416
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1417
	if (hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1418
		hw->mdix = AUTO_ALL_MODES;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1419
		hw->disable_polarity_correction = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1420
		hw->master_slave = E1000_MASTER_SLAVE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1421
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1422
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1423
	adapter->num_tx_queues = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1424
	adapter->num_rx_queues = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1425
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1426
	if (e1000_alloc_queues(adapter)) {
190791fd47d2 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");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1428
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1429
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1430
190791fd47d2 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. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1432
	e1000_irq_disable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1433
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1434
	spin_lock_init(&adapter->stats_lock);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1435
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1436
	set_bit(__E1000_DOWN, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1437
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1438
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1439
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1440
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1441
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1442
 * e1000_alloc_queues - Allocate memory for all rings
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1443
 * @adapter: board private structure to initialize
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1444
 *
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1446
 * number of queues at compile-time.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1447
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1448
190791fd47d2 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)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1450
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1451
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1452
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1453
	if (!adapter->tx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1454
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1455
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1456
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1457
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1458
	if (!adapter->rx_ring) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1459
		kfree(adapter->tx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1460
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1461
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1462
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1463
	return E1000_SUCCESS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1464
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1465
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1466
/**
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1468
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1469
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1470
 * Returns 0 on success, negative value on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1471
 *
190791fd47d2 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
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1474
 * for transmit and receive operations are allocated, the interrupt
190791fd47d2 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,
190791fd47d2 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.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1477
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1478
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1479
static int e1000_open(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1480
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1481
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1482
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1483
	int err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1484
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1485
	/* disallow open during test */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1486
	if (test_bit(__E1000_TESTING, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1487
		return -EBUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1488
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1489
	netif_carrier_off(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1490
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1491
	/* allocate transmit descriptors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1492
	err = e1000_setup_all_tx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1493
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1494
		goto err_setup_tx;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1495
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1496
	/* allocate receive descriptors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1497
	err = e1000_setup_all_rx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1498
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1499
		goto err_setup_rx;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1500
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1501
	e1000_power_up_phy(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1502
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1503
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1504
	if ((hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1505
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1506
		e1000_update_mng_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1507
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1508
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1510
	 * interface is now open */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1511
	if (hw->mac_type == e1000_82573 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1512
	    e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1513
		e1000_get_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1514
190791fd47d2 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.
190791fd47d2 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
190791fd47d2 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
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1518
	 * clean_rx handler before we do so.  */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1519
	e1000_configure(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1520
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1521
	err = e1000_request_irq(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1522
	if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1523
		goto err_req_irq;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1524
190791fd47d2 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() */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1526
	clear_bit(__E1000_DOWN, &adapter->flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1527
2469
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1528
	if (!adapter->ecdev) {
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1529
		napi_enable(&adapter->napi);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1530
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1531
		e1000_irq_enable(adapter);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1532
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1533
		netif_start_queue(netdev);
634ba3b1eb95 Fixed possible segfault in e1000_open() function.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  1534
	}
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1535
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1536
	/* fire a link status change interrupt to start the watchdog */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1537
	ew32(ICS, E1000_ICS_LSC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1538
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1539
	return E1000_SUCCESS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1540
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1541
err_req_irq:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1542
	e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1543
	e1000_power_down_phy(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1544
	e1000_free_all_rx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1545
err_setup_rx:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1546
	e1000_free_all_tx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1547
err_setup_tx:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1548
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1549
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1550
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1551
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1552
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1553
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1554
 * e1000_close - Disables a network interface
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1555
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1556
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1557
 * Returns 0, this is not allowed to fail
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1558
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1559
 * The close entry point is called when an interface is de-activated
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1560
 * by the OS.  The hardware is still under the drivers control, but
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1561
 * needs to be disabled.  A global MAC reset is issued to stop the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1562
 * hardware, and all transmit and receive resources are freed.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1563
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1564
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1565
static int e1000_close(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1566
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1567
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1568
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1569
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1570
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1571
	e1000_down(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1572
	e1000_power_down_phy(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1573
	e1000_free_irq(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1574
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1575
	e1000_free_all_tx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1576
	e1000_free_all_rx_resources(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1577
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1578
	/* kill manageability vlan ID if supported, but not if a vlan with
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1579
	 * the same ID is registered on the host OS (let 8021q kill it) */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1580
	if ((hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1581
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1582
	     !(adapter->vlgrp &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1583
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1584
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1585
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1586
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1587
	/* If AMT is enabled, let the firmware know that the network
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1588
	 * interface is now closed */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1589
	if (hw->mac_type == e1000_82573 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1590
	    e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1591
		e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1592
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1593
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1594
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1595
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1596
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1597
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1598
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1599
 * @start: address of beginning of memory
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1600
 * @len: length of memory
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1601
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1602
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1603
				  unsigned long len)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1604
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1605
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1606
	unsigned long begin = (unsigned long)start;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1607
	unsigned long end = begin + len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1608
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1609
	/* First rev 82545 and 82546 need to not allow any memory
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1610
	 * write location to cross 64k boundary due to errata 23 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1611
	if (hw->mac_type == e1000_82545 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1612
	    hw->mac_type == e1000_82546) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1613
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1614
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1615
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1616
	return true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1617
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1618
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1619
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1620
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1621
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1622
 * @txdr:    tx descriptor ring (for a specific queue) to setup
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1623
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1624
 * Return 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1625
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1626
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1627
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1628
				    struct e1000_tx_ring *txdr)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1629
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1630
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1631
	int size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1632
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1633
	size = sizeof(struct e1000_buffer) * txdr->count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1634
	txdr->buffer_info = vmalloc(size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1635
	if (!txdr->buffer_info) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1636
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1637
		"Unable to allocate memory for the transmit descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1638
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1639
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1640
	memset(txdr->buffer_info, 0, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1641
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1642
	/* round up to nearest 4K */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1643
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1644
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1645
	txdr->size = ALIGN(txdr->size, 4096);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1646
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1647
	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1648
	if (!txdr->desc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1649
setup_tx_desc_die:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1650
		vfree(txdr->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1651
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1652
		"Unable to allocate memory for the transmit descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1653
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1654
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1655
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1656
	/* Fix for errata 23, can't cross 64kB boundary */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1657
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1658
		void *olddesc = txdr->desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1659
		dma_addr_t olddma = txdr->dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1660
		DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1661
				     "at %p\n", txdr->size, txdr->desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1662
		/* Try again, without freeing the previous */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1663
		txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1664
		/* Failed allocation, critical failure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1665
		if (!txdr->desc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1666
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1667
			goto setup_tx_desc_die;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1668
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1669
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1670
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1671
			/* give up */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1672
			pci_free_consistent(pdev, txdr->size, txdr->desc,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1673
					    txdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1674
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1675
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1676
				"Unable to allocate aligned memory "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1677
				"for the transmit descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1678
			vfree(txdr->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1679
			return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1680
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1681
			/* Free old allocation, new allocation was successful */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1682
			pci_free_consistent(pdev, txdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1683
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1684
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1685
	memset(txdr->desc, 0, txdr->size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1686
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1687
	txdr->next_to_use = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1688
	txdr->next_to_clean = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1689
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1690
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1691
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1692
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1693
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1694
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1695
 * 				  (Descriptors) for all queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1696
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1697
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1698
 * Return 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1699
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1700
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1701
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1702
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1703
	int i, err = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1704
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1705
	for (i = 0; i < adapter->num_tx_queues; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1706
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1707
		if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1708
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1709
				"Allocation for Tx Queue %u failed\n", i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1710
			for (i-- ; i >= 0; i--)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1711
				e1000_free_tx_resources(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1712
							&adapter->tx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1713
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1714
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1715
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1716
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1717
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1718
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1719
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1720
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1721
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1722
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1723
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1724
 * Configure the Tx unit of the MAC after a reset.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1725
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1726
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1727
static void e1000_configure_tx(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1728
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1729
	u64 tdba;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1730
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1731
	u32 tdlen, tctl, tipg, tarc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1732
	u32 ipgr1, ipgr2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1733
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1734
	/* Setup the HW Tx Head and Tail descriptor pointers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1735
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1736
	switch (adapter->num_tx_queues) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1737
	case 1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1738
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1739
		tdba = adapter->tx_ring[0].dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1740
		tdlen = adapter->tx_ring[0].count *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1741
			sizeof(struct e1000_tx_desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1742
		ew32(TDLEN, tdlen);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1743
		ew32(TDBAH, (tdba >> 32));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1744
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1745
		ew32(TDT, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1746
		ew32(TDH, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1747
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1748
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1749
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1750
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1751
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1752
	/* Set the default values for the Tx Inter Packet Gap timer */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1753
	if (hw->mac_type <= e1000_82547_rev_2 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1754
	    (hw->media_type == e1000_media_type_fiber ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1755
	     hw->media_type == e1000_media_type_internal_serdes))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1756
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1757
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1758
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1759
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1760
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1761
	case e1000_82542_rev2_0:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1762
	case e1000_82542_rev2_1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1763
		tipg = DEFAULT_82542_TIPG_IPGT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1764
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1765
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1766
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1767
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1768
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1769
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1770
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1771
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1772
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1773
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1774
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1775
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1776
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1777
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1778
	ew32(TIPG, tipg);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1779
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1780
	/* Set the Tx Interrupt Delay register */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1781
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1782
	ew32(TIDV, adapter->tx_int_delay);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1783
	if (hw->mac_type >= e1000_82540)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1784
		ew32(TADV, adapter->tx_abs_int_delay);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1785
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1786
	/* Program the Transmit Control Register */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1787
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1788
	tctl = er32(TCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1789
	tctl &= ~E1000_TCTL_CT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1790
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1791
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1792
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1793
	if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1794
		tarc = er32(TARC0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1795
		/* set the speed mode bit, we'll clear it if we're not at
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1796
		 * gigabit link later */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1797
		tarc |= (1 << 21);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1798
		ew32(TARC0, tarc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1799
	} else if (hw->mac_type == e1000_80003es2lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1800
		tarc = er32(TARC0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1801
		tarc |= 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1802
		ew32(TARC0, tarc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1803
		tarc = er32(TARC1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1804
		tarc |= 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1805
		ew32(TARC1, tarc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1806
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1807
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1808
	e1000_config_collision_dist(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1809
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1810
	/* Setup Transmit Descriptor Settings for eop descriptor */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1811
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1812
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1813
	/* only set IDE if we are delaying interrupts using the timers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1814
	if (adapter->tx_int_delay)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1815
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1816
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1817
	if (hw->mac_type < e1000_82543)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1818
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1819
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1820
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1821
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1822
	/* Cache if we're 82544 running in PCI-X because we'll
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1823
	 * need this to apply a workaround later in the send path. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1824
	if (hw->mac_type == e1000_82544 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1825
	    hw->bus_type == e1000_bus_type_pcix)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1826
		adapter->pcix_82544 = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1827
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1828
	ew32(TCTL, tctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1829
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1830
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1831
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1832
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1833
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1834
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1835
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1836
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1837
 * Returns 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1838
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1839
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1840
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1841
				    struct e1000_rx_ring *rxdr)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1842
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1843
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1844
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1845
	int size, desc_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1846
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1847
	size = sizeof(struct e1000_buffer) * rxdr->count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1848
	rxdr->buffer_info = vmalloc(size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1849
	if (!rxdr->buffer_info) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1850
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1851
		"Unable to allocate memory for the receive descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1852
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1853
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1854
	memset(rxdr->buffer_info, 0, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1855
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1856
	if (hw->mac_type <= e1000_82547_rev_2)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1857
		desc_len = sizeof(struct e1000_rx_desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1858
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1859
		desc_len = sizeof(union e1000_rx_desc_packet_split);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1860
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1861
	/* Round up to nearest 4K */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1862
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1863
	rxdr->size = rxdr->count * desc_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1864
	rxdr->size = ALIGN(rxdr->size, 4096);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1865
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1866
	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1867
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1868
	if (!rxdr->desc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1869
		DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1870
		"Unable to allocate memory for the receive descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1871
setup_rx_desc_die:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1872
		vfree(rxdr->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1873
		return -ENOMEM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1874
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1875
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1876
	/* Fix for errata 23, can't cross 64kB boundary */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1877
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1878
		void *olddesc = rxdr->desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1879
		dma_addr_t olddma = rxdr->dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1880
		DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1881
				     "at %p\n", rxdr->size, rxdr->desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1882
		/* Try again, without freeing the previous */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1883
		rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1884
		/* Failed allocation, critical failure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1885
		if (!rxdr->desc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1886
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1887
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1888
				"Unable to allocate memory "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1889
				"for the receive descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1890
			goto setup_rx_desc_die;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1891
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1892
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1893
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1894
			/* give up */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1895
			pci_free_consistent(pdev, rxdr->size, rxdr->desc,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1896
					    rxdr->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1897
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1898
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1899
				"Unable to allocate aligned memory "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1900
				"for the receive descriptor ring\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1901
			goto setup_rx_desc_die;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1902
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1903
			/* Free old allocation, new allocation was successful */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1904
			pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1905
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1906
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1907
	memset(rxdr->desc, 0, rxdr->size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1908
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1909
	rxdr->next_to_clean = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1910
	rxdr->next_to_use = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1911
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1912
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1913
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1914
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1915
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1916
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1917
 * 				  (Descriptors) for all queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1918
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1919
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1920
 * Return 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1921
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1922
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1923
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1924
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1925
	int i, err = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1926
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1927
	for (i = 0; i < adapter->num_rx_queues; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1928
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1929
		if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1930
			DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1931
				"Allocation for Rx Queue %u failed\n", i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1932
			for (i-- ; i >= 0; i--)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1933
				e1000_free_rx_resources(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1934
							&adapter->rx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1935
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1936
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1937
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1938
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1939
	return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1940
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1941
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1942
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1943
 * e1000_setup_rctl - configure the receive control registers
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1944
 * @adapter: Board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1945
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1946
static void e1000_setup_rctl(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1947
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1948
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1949
	u32 rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1950
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1951
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1952
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1953
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1954
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1955
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1956
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1957
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1958
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1959
	if (hw->tbi_compatibility_on == 1)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1960
		rctl |= E1000_RCTL_SBP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1961
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1962
		rctl &= ~E1000_RCTL_SBP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1963
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1964
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1965
		rctl &= ~E1000_RCTL_LPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1966
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1967
		rctl |= E1000_RCTL_LPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1968
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1969
	/* Setup buffer sizes */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1970
	rctl &= ~E1000_RCTL_SZ_4096;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1971
	rctl |= E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1972
	switch (adapter->rx_buffer_len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1973
		case E1000_RXBUFFER_256:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1974
			rctl |= E1000_RCTL_SZ_256;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1975
			rctl &= ~E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1976
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1977
		case E1000_RXBUFFER_512:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1978
			rctl |= E1000_RCTL_SZ_512;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1979
			rctl &= ~E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1980
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1981
		case E1000_RXBUFFER_1024:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1982
			rctl |= E1000_RCTL_SZ_1024;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1983
			rctl &= ~E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1984
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1985
		case E1000_RXBUFFER_2048:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1986
		default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1987
			rctl |= E1000_RCTL_SZ_2048;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1988
			rctl &= ~E1000_RCTL_BSEX;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1989
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1990
		case E1000_RXBUFFER_4096:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1991
			rctl |= E1000_RCTL_SZ_4096;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1992
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1993
		case E1000_RXBUFFER_8192:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1994
			rctl |= E1000_RCTL_SZ_8192;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1995
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1996
		case E1000_RXBUFFER_16384:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1997
			rctl |= E1000_RCTL_SZ_16384;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1998
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  1999
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2000
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2001
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2002
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2003
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2004
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2005
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2006
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2007
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2008
 * Configure the Rx unit of the MAC after a reset.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2009
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2010
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2011
static void e1000_configure_rx(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2012
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2013
	u64 rdba;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2014
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2015
	u32 rdlen, rctl, rxcsum, ctrl_ext;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2016
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2017
	rdlen = adapter->rx_ring[0].count *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2018
		sizeof(struct e1000_rx_desc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2019
	adapter->clean_rx = e1000_clean_rx_irq;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2020
	adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2021
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2022
	/* disable receives while setting up the descriptors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2023
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2024
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2025
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2026
	/* set the Receive Delay Timer Register */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2027
	ew32(RDTR, adapter->rx_int_delay);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2028
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2029
	if (hw->mac_type >= e1000_82540) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2030
		ew32(RADV, adapter->rx_abs_int_delay);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2031
		if (adapter->itr_setting != 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2032
			ew32(ITR, 1000000000 / (adapter->itr * 256));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2033
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2034
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2035
	if (hw->mac_type >= e1000_82571) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2036
		ctrl_ext = er32(CTRL_EXT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2037
		/* Reset delay timers after every interrupt */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2038
		ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2039
		/* Auto-Mask interrupts upon ICR access */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2040
		ctrl_ext |= E1000_CTRL_EXT_IAME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2041
		ew32(IAM, 0xffffffff);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2042
		ew32(CTRL_EXT, ctrl_ext);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2043
		E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2044
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2045
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2046
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2047
	 * the Base and Length of the Rx Descriptor Ring */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2048
	switch (adapter->num_rx_queues) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2049
	case 1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2050
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2051
		rdba = adapter->rx_ring[0].dma;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2052
		ew32(RDLEN, rdlen);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2053
		ew32(RDBAH, (rdba >> 32));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2054
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2055
		ew32(RDT, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2056
		ew32(RDH, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2057
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2058
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2059
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2060
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2061
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2062
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2063
	if (hw->mac_type >= e1000_82543) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2064
		rxcsum = er32(RXCSUM);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2065
		if (adapter->rx_csum)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2066
			rxcsum |= E1000_RXCSUM_TUOFL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2067
		else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2068
			/* don't need to clear IPPCSE as it defaults to 0 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2069
			rxcsum &= ~E1000_RXCSUM_TUOFL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2070
		ew32(RXCSUM, rxcsum);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2071
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2072
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2073
	/* Enable Receives */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2074
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2075
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2076
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2077
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2078
 * e1000_free_tx_resources - Free Tx Resources per Queue
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2079
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2080
 * @tx_ring: Tx descriptor ring for a specific queue
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2081
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2082
 * Free all transmit software resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2083
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2084
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2085
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2086
				    struct e1000_tx_ring *tx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2087
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2088
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2089
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2090
	e1000_clean_tx_ring(adapter, tx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2091
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2092
	vfree(tx_ring->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2093
	tx_ring->buffer_info = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2094
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2095
	pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2096
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2097
	tx_ring->desc = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2098
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2099
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2100
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2101
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2102
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2103
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2104
 * Free all transmit software resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2105
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2106
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2107
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2108
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2109
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2110
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2111
	for (i = 0; i < adapter->num_tx_queues; i++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2112
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2113
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2114
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2115
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2116
					     struct e1000_buffer *buffer_info)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2117
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2118
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2119
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2120
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2121
	buffer_info->dma = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2122
	if (buffer_info->skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2123
		skb_dma_unmap(&adapter->pdev->dev, buffer_info->skb,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2124
		              DMA_TO_DEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2125
		dev_kfree_skb_any(buffer_info->skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2126
		buffer_info->skb = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2127
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2128
	buffer_info->time_stamp = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2129
	/* buffer_info must be completely set up in the transmit path */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2130
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2131
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2132
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2133
 * e1000_clean_tx_ring - Free Tx Buffers
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2134
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2135
 * @tx_ring: ring to be cleaned
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2136
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2137
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2138
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2139
				struct e1000_tx_ring *tx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2140
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2141
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2142
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2143
	unsigned long size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2144
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2145
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2146
	/* Free all the Tx ring sk_buffs */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2147
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2148
	for (i = 0; i < tx_ring->count; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2149
		buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2150
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2151
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2152
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2153
	size = sizeof(struct e1000_buffer) * tx_ring->count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2154
	memset(tx_ring->buffer_info, 0, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2155
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2156
	/* Zero out the descriptor ring */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2157
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2158
	memset(tx_ring->desc, 0, tx_ring->size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2159
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2160
	tx_ring->next_to_use = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2161
	tx_ring->next_to_clean = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2162
	tx_ring->last_tx_tso = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2163
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2164
	writel(0, hw->hw_addr + tx_ring->tdh);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2165
	writel(0, hw->hw_addr + tx_ring->tdt);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2166
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2167
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2168
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2169
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2170
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2171
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2172
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2173
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2174
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2175
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2176
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2177
	for (i = 0; i < adapter->num_tx_queues; i++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2178
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2179
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2180
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2181
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2182
 * e1000_free_rx_resources - Free Rx Resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2183
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2184
 * @rx_ring: ring to clean the resources from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2185
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2186
 * Free all receive software resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2187
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2188
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2189
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2190
				    struct e1000_rx_ring *rx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2191
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2192
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2193
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2194
	e1000_clean_rx_ring(adapter, rx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2195
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2196
	vfree(rx_ring->buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2197
	rx_ring->buffer_info = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2199
	pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2200
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2201
	rx_ring->desc = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2202
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2203
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2204
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2205
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2206
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2207
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2208
 * Free all receive software resources
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2209
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2210
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2211
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2212
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2213
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2214
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2215
	for (i = 0; i < adapter->num_rx_queues; i++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2216
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2217
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2218
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2219
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2220
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2221
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2222
 * @rx_ring: ring to free buffers from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2223
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2224
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2225
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2226
				struct e1000_rx_ring *rx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2227
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2228
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2229
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2230
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2231
	unsigned long size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2232
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2233
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2234
	/* Free all the Rx ring sk_buffs */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2235
	for (i = 0; i < rx_ring->count; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2236
		buffer_info = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2237
		if (buffer_info->dma) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2238
			pci_unmap_single(pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2239
					 buffer_info->dma,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2240
					 buffer_info->length,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2241
					 PCI_DMA_FROMDEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2242
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2243
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2244
		buffer_info->dma = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2245
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2246
		if (buffer_info->skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2247
			dev_kfree_skb(buffer_info->skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2248
			buffer_info->skb = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2249
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2250
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2251
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2252
	size = sizeof(struct e1000_buffer) * rx_ring->count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2253
	memset(rx_ring->buffer_info, 0, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2254
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2255
	/* Zero out the descriptor ring */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2256
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2257
	memset(rx_ring->desc, 0, rx_ring->size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2258
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2259
	rx_ring->next_to_clean = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2260
	rx_ring->next_to_use = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2261
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2262
	writel(0, hw->hw_addr + rx_ring->rdh);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2263
	writel(0, hw->hw_addr + rx_ring->rdt);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2264
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2265
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2266
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2267
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2268
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2269
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2270
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2271
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2272
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2273
	int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2274
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2275
	for (i = 0; i < adapter->num_rx_queues; i++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2276
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2277
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2278
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2279
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2280
 * and memory write and invalidate disabled for certain operations
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2281
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2282
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2283
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2284
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2285
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2286
	u32 rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2287
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2288
	e1000_pci_clear_mwi(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2289
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2290
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2291
	rctl |= E1000_RCTL_RST;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2292
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2293
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2294
	mdelay(5);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2295
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2296
	if (!adapter->ecdev && netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2297
		e1000_clean_all_rx_rings(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2298
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2299
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2300
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2301
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2302
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2303
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2304
	u32 rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2305
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2306
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2307
	rctl &= ~E1000_RCTL_RST;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2308
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2309
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2310
	mdelay(5);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2311
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2312
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2313
		e1000_pci_set_mwi(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2314
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2315
	if (!adapter->netdev && netif_running(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2316
		/* No need to loop, because 82542 supports only 1 queue */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2317
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2318
		e1000_configure_rx(adapter);
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2212
diff changeset
  2319
		if (adapter->ecdev) {
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2320
			/* fill rx ring completely! */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2321
			adapter->alloc_rx_buf(adapter, ring, ring->count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2322
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2323
            /* this one leaves the last ring element unallocated! */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2324
			adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2325
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2326
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2327
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2328
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2329
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2330
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2331
 * e1000_set_mac - Change the Ethernet Address of the NIC
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2332
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2333
 * @p: pointer to an address structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2334
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2335
 * Returns 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2336
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2337
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2338
static int e1000_set_mac(struct net_device *netdev, void *p)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2339
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2340
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2341
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2342
	struct sockaddr *addr = p;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2343
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2344
	if (!is_valid_ether_addr(addr->sa_data))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2345
		return -EADDRNOTAVAIL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2346
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2347
	/* 82542 2.0 needs to be in reset to write receive address registers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2348
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2349
	if (hw->mac_type == e1000_82542_rev2_0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2350
		e1000_enter_82542_rst(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2351
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2352
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2353
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2354
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2355
	e1000_rar_set(hw, hw->mac_addr, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2356
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2357
	/* With 82571 controllers, LAA may be overwritten (with the default)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2358
	 * due to controller reset from the other port. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2359
	if (hw->mac_type == e1000_82571) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2360
		/* activate the work around */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2361
		hw->laa_is_present = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2362
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2363
		/* Hold a copy of the LAA in RAR[14] This is done so that
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2364
		 * between the time RAR[0] gets clobbered  and the time it
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2365
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2366
		 * of the RARs and no incoming packets directed to this port
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2367
		 * are dropped. Eventaully the LAA will be in RAR[0] and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2368
		 * RAR[14] */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2369
		e1000_rar_set(hw, hw->mac_addr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2370
					E1000_RAR_ENTRIES - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2371
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2372
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2373
	if (hw->mac_type == e1000_82542_rev2_0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2374
		e1000_leave_82542_rst(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2375
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2376
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2377
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2378
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2379
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2380
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2381
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2382
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2383
 * The set_rx_mode entry point is called whenever the unicast or multicast
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2384
 * address lists or the network interface flags are updated. This routine is
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2385
 * responsible for configuring the hardware for proper unicast, multicast,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2386
 * promiscuous mode, and all-multi behavior.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2387
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2388
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2389
static void e1000_set_rx_mode(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2390
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2391
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2392
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2393
	struct netdev_hw_addr *ha;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2394
	bool use_uc = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2395
	struct dev_addr_list *mc_ptr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2396
	u32 rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2397
	u32 hash_value;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2398
	int i, rar_entries = E1000_RAR_ENTRIES;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2399
	int mta_reg_count = (hw->mac_type == e1000_ich8lan) ?
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2400
				E1000_NUM_MTA_REGISTERS_ICH8LAN :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2401
				E1000_NUM_MTA_REGISTERS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2402
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2403
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2404
	if (!mcarray) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2405
		DPRINTK(PROBE, ERR, "memory allocation failed\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2406
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2407
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2408
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2409
	if (hw->mac_type == e1000_ich8lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2410
		rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2411
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2412
	/* reserve RAR[14] for LAA over-write work-around */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2413
	if (hw->mac_type == e1000_82571)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2414
		rar_entries--;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2415
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2416
	/* Check for Promiscuous and All Multicast modes */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2417
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2418
	rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2419
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2420
	if (netdev->flags & IFF_PROMISC) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2421
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2422
		rctl &= ~E1000_RCTL_VFE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2423
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2424
		if (netdev->flags & IFF_ALLMULTI) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2425
			rctl |= E1000_RCTL_MPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2426
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2427
			rctl &= ~E1000_RCTL_MPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2428
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2429
		if (adapter->hw.mac_type != e1000_ich8lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2430
			rctl |= E1000_RCTL_VFE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2431
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2432
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2433
	if (netdev->uc.count > rar_entries - 1) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2434
		rctl |= E1000_RCTL_UPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2435
	} else if (!(netdev->flags & IFF_PROMISC)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2436
		rctl &= ~E1000_RCTL_UPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2437
		use_uc = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2438
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2439
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2440
	ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2441
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2442
	/* 82542 2.0 needs to be in reset to write receive address registers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2443
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2444
	if (hw->mac_type == e1000_82542_rev2_0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2445
		e1000_enter_82542_rst(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2446
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2447
	/* load the first 14 addresses into the exact filters 1-14. Unicast
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2448
	 * addresses take precedence to avoid disabling unicast filtering
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2449
	 * when possible.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2450
	 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2451
	 * RAR 0 is used for the station MAC adddress
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2452
	 * if there are not 14 addresses, go ahead and clear the filters
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2453
	 * -- with 82571 controllers only 0-13 entries are filled here
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2454
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2455
	i = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2456
	if (use_uc)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2457
		list_for_each_entry(ha, &netdev->uc.list, list) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2458
			if (i == rar_entries)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2459
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2460
			e1000_rar_set(hw, ha->addr, i++);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2461
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2462
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2463
	WARN_ON(i == rar_entries);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2464
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2465
	mc_ptr = netdev->mc_list;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2466
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2467
	for (; i < rar_entries; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2468
		if (mc_ptr) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2469
			e1000_rar_set(hw, mc_ptr->da_addr, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2470
			mc_ptr = mc_ptr->next;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2471
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2472
			E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2473
			E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2474
			E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2475
			E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2476
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2477
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2478
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2479
	/* load any remaining addresses into the hash table */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2480
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2481
	for (; mc_ptr; mc_ptr = mc_ptr->next) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2482
		u32 hash_reg, hash_bit, mta;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2483
		hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2484
		hash_reg = (hash_value >> 5) & 0x7F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2485
		hash_bit = hash_value & 0x1F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2486
		mta = (1 << hash_bit);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2487
		mcarray[hash_reg] |= mta;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2488
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2489
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2490
	/* write the hash table completely, write from bottom to avoid
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2491
	 * both stupid write combining chipsets, and flushing each write */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2492
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2493
		/*
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2494
		 * If we are on an 82544 has an errata where writing odd
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2495
		 * offsets overwrites the previous even offset, but writing
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2496
		 * backwards over the range solves the issue by always
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2497
		 * writing the odd offset first
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2498
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2499
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2500
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2501
	E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2502
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2503
	if (hw->mac_type == e1000_82542_rev2_0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2504
		e1000_leave_82542_rst(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2505
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2506
	kfree(mcarray);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2507
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2508
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2509
/* Need to wait a few seconds after link up to get diagnostic information from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2510
 * the phy */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2511
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2512
static void e1000_update_phy_info(unsigned long data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2513
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2514
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2515
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2516
	e1000_phy_get_info(hw, &adapter->phy_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2517
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2518
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2519
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2520
 * e1000_82547_tx_fifo_stall - Timer Call-back
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2521
 * @data: pointer to adapter cast into an unsigned long
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2522
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2523
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2524
static void e1000_82547_tx_fifo_stall(unsigned long data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2525
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2526
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2527
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2528
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2529
	u32 tctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2530
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2531
	if (atomic_read(&adapter->tx_fifo_stall)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2532
		if ((er32(TDT) == er32(TDH)) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2533
		   (er32(TDFT) == er32(TDFH)) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2534
		   (er32(TDFTS) == er32(TDFHS))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2535
			tctl = er32(TCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2536
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2537
			ew32(TDFT, adapter->tx_head_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2538
			ew32(TDFH, adapter->tx_head_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2539
			ew32(TDFTS, adapter->tx_head_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2540
			ew32(TDFHS, adapter->tx_head_addr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2541
			ew32(TCTL, tctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2542
			E1000_WRITE_FLUSH();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2543
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2544
			adapter->tx_fifo_head = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2545
			atomic_set(&adapter->tx_fifo_stall, 0);
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2212
diff changeset
  2546
			if (!adapter->ecdev)
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2547
				netif_wake_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2548
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2549
			if (!adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2550
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2551
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2552
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2553
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2554
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2555
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2556
 * e1000_watchdog - Timer Call-back
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2557
 * @data: pointer to adapter cast into an unsigned long
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2558
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2559
static void e1000_watchdog(unsigned long data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2560
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2561
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2562
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2563
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2564
	struct e1000_tx_ring *txdr = adapter->tx_ring;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2565
	u32 link, tctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2566
	s32 ret_val;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2567
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2568
	ret_val = e1000_check_for_link(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2569
	if ((ret_val == E1000_ERR_PHY) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2570
	    (hw->phy_type == e1000_phy_igp_3) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2571
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2572
		/* See e1000_kumeran_lock_loss_workaround() */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2573
		DPRINTK(LINK, INFO,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2574
			"Gigabit has been disabled, downgrading speed\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2575
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2576
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2577
	if (hw->mac_type == e1000_82573) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2578
		e1000_enable_tx_pkt_filtering(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2579
		if (adapter->mng_vlan_id != hw->mng_cookie.vlan_id)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2580
			e1000_update_mng_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2581
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2582
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2583
	if ((hw->media_type == e1000_media_type_internal_serdes) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2584
	   !(er32(TXCW) & E1000_TXCW_ANE))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2585
		link = !hw->serdes_link_down;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2586
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2587
		link = er32(STATUS) & E1000_STATUS_LU;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2588
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2589
	if (link) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2590
		if ( (adapter->ecdev && !ecdev_get_link(adapter->ecdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2591
				|| (!adapter->ecdev && !netif_carrier_ok(netdev)) ) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2592
			u32 ctrl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2593
			bool txb2b = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2594
			e1000_get_speed_and_duplex(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2595
			                           &adapter->link_speed,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2596
			                           &adapter->link_duplex);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2597
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2598
			ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2599
			printk(KERN_INFO "e1000: %s NIC Link is Up %d Mbps %s, "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2600
			       "Flow Control: %s\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2601
			       netdev->name,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2602
			       adapter->link_speed,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2603
			       adapter->link_duplex == FULL_DUPLEX ?
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2604
			        "Full Duplex" : "Half Duplex",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2605
			        ((ctrl & E1000_CTRL_TFCE) && (ctrl &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2606
			        E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2607
			        E1000_CTRL_RFCE) ? "RX" : ((ctrl &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2608
			        E1000_CTRL_TFCE) ? "TX" : "None" )));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2609
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2610
			/* tweak tx_queue_len according to speed/duplex
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2611
			 * and adjust the timeout factor */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2612
			netdev->tx_queue_len = adapter->tx_queue_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2613
			adapter->tx_timeout_factor = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2614
			switch (adapter->link_speed) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2615
			case SPEED_10:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2616
				txb2b = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2617
				netdev->tx_queue_len = 10;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2618
				adapter->tx_timeout_factor = 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2619
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2620
			case SPEED_100:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2621
				txb2b = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2622
				netdev->tx_queue_len = 100;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2623
				/* maybe add some timeout factor ? */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2624
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2625
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2626
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2627
			if ((hw->mac_type == e1000_82571 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2628
			     hw->mac_type == e1000_82572) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2629
			    !txb2b) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2630
				u32 tarc0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2631
				tarc0 = er32(TARC0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2632
				tarc0 &= ~(1 << 21);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2633
				ew32(TARC0, tarc0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2634
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2635
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2636
			/* disable TSO for pcie and 10/100 speeds, to avoid
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2637
			 * some hardware issues */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2638
			if (!adapter->tso_force &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2639
			    hw->bus_type == e1000_bus_type_pci_express){
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2640
				switch (adapter->link_speed) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2641
				case SPEED_10:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2642
				case SPEED_100:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2643
					DPRINTK(PROBE,INFO,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2644
				        "10/100 speed: disabling TSO\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2645
					netdev->features &= ~NETIF_F_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2646
					netdev->features &= ~NETIF_F_TSO6;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2647
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2648
				case SPEED_1000:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2649
					netdev->features |= NETIF_F_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2650
					netdev->features |= NETIF_F_TSO6;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2651
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2652
				default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2653
					/* oops */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2654
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2655
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2656
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2657
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2658
			/* enable transmits in the hardware, need to do this
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2659
			 * after setting TARC0 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2660
			tctl = er32(TCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2661
			tctl |= E1000_TCTL_EN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2662
			ew32(TCTL, tctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2663
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2664
			if (adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2665
				ecdev_set_link(adapter->ecdev, 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2666
			} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2667
				netif_carrier_on(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2668
				mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2669
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2670
			adapter->smartspeed = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2671
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2672
			/* make sure the receive unit is started */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2673
			if (hw->rx_needs_kicking) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2674
				u32 rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2675
				ew32(RCTL, rctl | E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2676
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2677
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2678
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2679
		if ( (adapter->ecdev && ecdev_get_link(adapter->ecdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2680
				|| (!adapter->ecdev && netif_carrier_ok(netdev)) ) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2681
			adapter->link_speed = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2682
			adapter->link_duplex = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2683
			printk(KERN_INFO "e1000: %s NIC Link is Down\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2684
			       netdev->name);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2685
			if (adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2686
				ecdev_set_link(adapter->ecdev, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2687
			} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2688
				netif_carrier_off(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2689
				mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2690
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2691
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2692
			/* 80003ES2LAN workaround--
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2693
			 * For packet buffer work-around on link down event;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2694
			 * disable receives in the ISR and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2695
			 * reset device here in the watchdog
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2696
			 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2697
			if (hw->mac_type == e1000_80003es2lan)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2698
				/* reset device */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2699
				schedule_work(&adapter->reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2700
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2701
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2702
		e1000_smartspeed(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2703
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2704
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2705
	e1000_update_stats(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2706
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2707
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2708
	adapter->tpt_old = adapter->stats.tpt;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2709
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2710
	adapter->colc_old = adapter->stats.colc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2711
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2712
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2713
	adapter->gorcl_old = adapter->stats.gorcl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2714
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2715
	adapter->gotcl_old = adapter->stats.gotcl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2716
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2717
	e1000_update_adaptive(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2718
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2719
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2720
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2721
			/* We've lost link, so the controller stops DMA,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2722
			 * but we've got queued Tx work that's never going
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2723
			 * to get done, so reset controller to flush Tx.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2724
			 * (Do the reset outside of interrupt context). */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2725
			adapter->tx_timeout_count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2726
			schedule_work(&adapter->reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2727
			/* return immediately since reset is imminent */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2728
			return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2729
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2730
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2731
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2732
	/* Cause software interrupt to ensure rx ring is cleaned */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2733
	ew32(ICS, E1000_ICS_RXDMT0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2734
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2735
	/* Force detection of hung controller every watchdog period */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2736
	if (!adapter->ecdev) adapter->detect_tx_hung = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2737
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2738
	/* With 82571 controllers, LAA may be overwritten due to controller
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2739
	 * reset from the other port. Set the appropriate LAA in RAR[0] */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2740
	if (hw->mac_type == e1000_82571 && hw->laa_is_present)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2741
		e1000_rar_set(hw, hw->mac_addr, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2742
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2743
	/* Reset the timer */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2744
	if (!adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2745
		mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 2 * HZ));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2746
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2747
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2748
enum latency_range {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2749
	lowest_latency = 0,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2750
	low_latency = 1,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2751
	bulk_latency = 2,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2752
	latency_invalid = 255
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2753
};
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2754
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2755
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2756
 * e1000_update_itr - update the dynamic ITR value based on statistics
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2757
 *      Stores a new ITR value based on packets and byte
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2758
 *      counts during the last interrupt.  The advantage of per interrupt
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2759
 *      computation is faster updates and more accurate ITR for the current
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2760
 *      traffic pattern.  Constants in this function were computed
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2761
 *      based on theoretical maximum wire speed and thresholds were set based
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2762
 *      on testing data as well as attempting to minimize response time
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2763
 *      while increasing bulk throughput.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2764
 *      this functionality is controlled by the InterruptThrottleRate module
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2765
 *      parameter (see e1000_param.c)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2766
 * @adapter: pointer to adapter
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2767
 * @itr_setting: current adapter->itr
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2768
 * @packets: the number of packets during this measurement interval
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2769
 * @bytes: the number of bytes during this measurement interval
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2770
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2771
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2772
				     u16 itr_setting, int packets, int bytes)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2773
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2774
	unsigned int retval = itr_setting;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2775
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2776
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2777
	if (unlikely(hw->mac_type < e1000_82540))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2778
		goto update_itr_done;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2779
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2780
	if (packets == 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2781
		goto update_itr_done;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2782
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2783
	switch (itr_setting) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2784
	case lowest_latency:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2785
		/* jumbo frames get bulk treatment*/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2786
		if (bytes/packets > 8000)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2787
			retval = bulk_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2788
		else if ((packets < 5) && (bytes > 512))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2789
			retval = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2790
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2791
	case low_latency:  /* 50 usec aka 20000 ints/s */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2792
		if (bytes > 10000) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2793
			/* jumbo frames need bulk latency setting */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2794
			if (bytes/packets > 8000)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2795
				retval = bulk_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2796
			else if ((packets < 10) || ((bytes/packets) > 1200))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2797
				retval = bulk_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2798
			else if ((packets > 35))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2799
				retval = lowest_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2800
		} else if (bytes/packets > 2000)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2801
			retval = bulk_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2802
		else if (packets <= 2 && bytes < 512)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2803
			retval = lowest_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2804
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2805
	case bulk_latency: /* 250 usec aka 4000 ints/s */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2806
		if (bytes > 25000) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2807
			if (packets > 35)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2808
				retval = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2809
		} else if (bytes < 6000) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2810
			retval = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2811
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2812
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2813
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2814
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2815
update_itr_done:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2816
	return retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2817
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2818
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2819
static void e1000_set_itr(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2820
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2821
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2822
	u16 current_itr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2823
	u32 new_itr = adapter->itr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2824
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2825
	if (unlikely(hw->mac_type < e1000_82540))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2826
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2827
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2828
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2829
	if (unlikely(adapter->link_speed != SPEED_1000)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2830
		current_itr = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2831
		new_itr = 4000;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2832
		goto set_itr_now;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2833
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2834
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2835
	adapter->tx_itr = e1000_update_itr(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2836
	                            adapter->tx_itr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2837
	                            adapter->total_tx_packets,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2838
	                            adapter->total_tx_bytes);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2839
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2840
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2841
		adapter->tx_itr = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2842
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2843
	adapter->rx_itr = e1000_update_itr(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2844
	                            adapter->rx_itr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2845
	                            adapter->total_rx_packets,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2846
	                            adapter->total_rx_bytes);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2847
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2848
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2849
		adapter->rx_itr = low_latency;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2850
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2851
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2852
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2853
	switch (current_itr) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2854
	/* counts and packets in update_itr are dependent on these numbers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2855
	case lowest_latency:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2856
		new_itr = 70000;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2857
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2858
	case low_latency:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2859
		new_itr = 20000; /* aka hwitr = ~200 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2860
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2861
	case bulk_latency:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2862
		new_itr = 4000;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2863
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2864
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2865
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2866
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2867
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2868
set_itr_now:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2869
	if (new_itr != adapter->itr) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2870
		/* this attempts to bias the interrupt rate towards Bulk
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2871
		 * by adding intermediate steps when interrupt rate is
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2872
		 * increasing */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2873
		new_itr = new_itr > adapter->itr ?
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2874
		             min(adapter->itr + (new_itr >> 2), new_itr) :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2875
		             new_itr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2876
		adapter->itr = new_itr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2877
		ew32(ITR, 1000000000 / (new_itr * 256));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2878
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2879
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2880
	return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2881
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2882
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2883
#define E1000_TX_FLAGS_CSUM		0x00000001
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2884
#define E1000_TX_FLAGS_VLAN		0x00000002
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2885
#define E1000_TX_FLAGS_TSO		0x00000004
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2886
#define E1000_TX_FLAGS_IPV4		0x00000008
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2887
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2888
#define E1000_TX_FLAGS_VLAN_SHIFT	16
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2889
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2890
static int e1000_tso(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2891
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2892
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2893
	struct e1000_context_desc *context_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2894
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2895
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2896
	u32 cmd_length = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2897
	u16 ipcse = 0, tucse, mss;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2898
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2899
	int err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2900
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2901
	if (skb_is_gso(skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2902
		if (skb_header_cloned(skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2903
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2904
			if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2905
				return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2906
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2907
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2908
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2909
		mss = skb_shinfo(skb)->gso_size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2910
		if (skb->protocol == htons(ETH_P_IP)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2911
			struct iphdr *iph = ip_hdr(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2912
			iph->tot_len = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2913
			iph->check = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2914
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2915
								 iph->daddr, 0,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2916
								 IPPROTO_TCP,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2917
								 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2918
			cmd_length = E1000_TXD_CMD_IP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2919
			ipcse = skb_transport_offset(skb) - 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2920
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2921
			ipv6_hdr(skb)->payload_len = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2922
			tcp_hdr(skb)->check =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2923
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2924
						 &ipv6_hdr(skb)->daddr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2925
						 0, IPPROTO_TCP, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2926
			ipcse = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2927
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2928
		ipcss = skb_network_offset(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2929
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2930
		tucss = skb_transport_offset(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2931
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2932
		tucse = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2933
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2934
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2935
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2936
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2937
		i = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2938
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2939
		buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2940
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2941
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2942
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2943
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2944
		context_desc->upper_setup.tcp_fields.tucss = tucss;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2945
		context_desc->upper_setup.tcp_fields.tucso = tucso;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2946
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2947
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2948
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2949
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2950
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2951
		buffer_info->time_stamp = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2952
		buffer_info->next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2953
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2954
		if (++i == tx_ring->count) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2955
		tx_ring->next_to_use = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2956
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2957
		return true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2958
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2959
	return false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2960
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2961
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2962
static bool e1000_tx_csum(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2963
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2964
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2965
	struct e1000_context_desc *context_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2966
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2967
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2968
	u8 css;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2969
	u32 cmd_len = E1000_TXD_CMD_DEXT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2970
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2971
	if (skb->ip_summed != CHECKSUM_PARTIAL)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2972
		return false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2973
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2974
	switch (skb->protocol) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2975
	case cpu_to_be16(ETH_P_IP):
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2976
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2977
			cmd_len |= E1000_TXD_CMD_TCP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2978
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2979
	case cpu_to_be16(ETH_P_IPV6):
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2980
		/* XXX not handling all IPV6 headers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2981
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2982
			cmd_len |= E1000_TXD_CMD_TCP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2983
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2984
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2985
		if (unlikely(net_ratelimit()))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2986
			DPRINTK(DRV, WARNING,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2987
			        "checksum_partial proto=%x!\n", skb->protocol);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2988
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2989
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2990
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2991
	css = skb_transport_offset(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2992
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2993
	i = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2994
	buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2995
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2996
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2997
	context_desc->lower_setup.ip_config = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2998
	context_desc->upper_setup.tcp_fields.tucss = css;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  2999
	context_desc->upper_setup.tcp_fields.tucso =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3000
		css + skb->csum_offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3001
	context_desc->upper_setup.tcp_fields.tucse = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3002
	context_desc->tcp_seg_setup.data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3003
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3004
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3005
	buffer_info->time_stamp = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3006
	buffer_info->next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3007
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3008
	if (unlikely(++i == tx_ring->count)) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3009
	tx_ring->next_to_use = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3010
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3011
	return true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3012
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3013
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3014
#define E1000_MAX_TXD_PWR	12
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3015
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3016
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3017
static int e1000_tx_map(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3018
			struct e1000_tx_ring *tx_ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3019
			struct sk_buff *skb, unsigned int first,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3020
			unsigned int max_per_txd, unsigned int nr_frags,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3021
			unsigned int mss)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3022
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3023
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3024
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3025
	unsigned int len = skb_headlen(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3026
	unsigned int offset, size, count = 0, i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3027
	unsigned int f;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3028
	dma_addr_t *map;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3029
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3030
	i = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3031
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3032
	if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3033
		dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3034
		return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3035
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3036
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3037
	map = skb_shinfo(skb)->dma_maps;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3038
	offset = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3039
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3040
	while (len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3041
		buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3042
		size = min(len, max_per_txd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3043
		/* Workaround for Controller erratum --
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3044
		 * descriptor for non-tso packet in a linear SKB that follows a
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3045
		 * tso gets written back prematurely before the data is fully
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3046
		 * DMA'd to the controller */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3047
		if (!skb->data_len && tx_ring->last_tx_tso &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3048
		    !skb_is_gso(skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3049
			tx_ring->last_tx_tso = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3050
			size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3051
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3052
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3053
		/* Workaround for premature desc write-backs
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3054
		 * in TSO mode.  Append 4-byte sentinel desc */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3055
		if (unlikely(mss && !nr_frags && size == len && size > 8))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3056
			size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3057
		/* work-around for errata 10 and it applies
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3058
		 * to all controllers in PCI-X mode
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3059
		 * The fix is to make sure that the first descriptor of a
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3060
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3061
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3062
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3063
		                (size > 2015) && count == 0))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3064
		        size = 2015;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3065
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3066
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3067
		 * terminating buffers within evenly-aligned dwords. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3068
		if (unlikely(adapter->pcix_82544 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3069
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3070
		   size > 4))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3071
			size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3072
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3073
		buffer_info->length = size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3074
		buffer_info->dma = skb_shinfo(skb)->dma_head + offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3075
		buffer_info->time_stamp = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3076
		buffer_info->next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3077
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3078
		len -= size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3079
		offset += size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3080
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3081
		if (len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3082
			i++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3083
			if (unlikely(i == tx_ring->count))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3084
				i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3085
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3086
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3087
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3088
	for (f = 0; f < nr_frags; f++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3089
		struct skb_frag_struct *frag;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3090
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3091
		frag = &skb_shinfo(skb)->frags[f];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3092
		len = frag->size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3093
		offset = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3094
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3095
		while (len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3096
			i++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3097
			if (unlikely(i == tx_ring->count))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3098
				i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3099
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3100
			buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3101
			size = min(len, max_per_txd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3102
			/* Workaround for premature desc write-backs
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3103
			 * in TSO mode.  Append 4-byte sentinel desc */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3104
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3105
				size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3106
			/* Workaround for potential 82544 hang in PCI-X.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3107
			 * Avoid terminating buffers within evenly-aligned
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3108
			 * dwords. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3109
			if (unlikely(adapter->pcix_82544 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3110
			   !((unsigned long)(frag->page+offset+size-1) & 4) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3111
			   size > 4))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3112
				size -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3113
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3114
			buffer_info->length = size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3115
			buffer_info->dma = map[f] + offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3116
			buffer_info->time_stamp = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3117
			buffer_info->next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3118
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3119
			len -= size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3120
			offset += size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3121
			count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3122
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3123
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3124
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3125
	tx_ring->buffer_info[i].skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3126
	tx_ring->buffer_info[first].next_to_watch = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3127
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3128
	return count;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3129
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3130
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3131
static void e1000_tx_queue(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3132
			   struct e1000_tx_ring *tx_ring, int tx_flags,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3133
			   int count)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3134
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3135
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3136
	struct e1000_tx_desc *tx_desc = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3137
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3138
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3139
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3140
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3141
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3142
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3143
		             E1000_TXD_CMD_TSE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3144
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3145
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3146
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3147
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3148
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3149
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3150
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3151
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3152
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3153
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3154
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3155
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3156
		txd_lower |= E1000_TXD_CMD_VLE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3157
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3158
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3159
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3160
	i = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3161
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3162
	while (count--) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3163
		buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3164
		tx_desc = E1000_TX_DESC(*tx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3165
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3166
		tx_desc->lower.data =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3167
			cpu_to_le32(txd_lower | buffer_info->length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3168
		tx_desc->upper.data = cpu_to_le32(txd_upper);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3169
		if (unlikely(++i == tx_ring->count)) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3170
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3171
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3172
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3173
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3174
	/* Force memory writes to complete before letting h/w
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3175
	 * know there are new descriptors to fetch.  (Only
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3176
	 * applicable for weak-ordered memory model archs,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3177
	 * such as IA-64). */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3178
	wmb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3179
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3180
	tx_ring->next_to_use = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3181
	writel(i, hw->hw_addr + tx_ring->tdt);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3182
	/* we need this if more than one processor can write to our tail
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3183
	 * at a time, it syncronizes IO on IA64/Altix systems */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3184
	mmiowb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3185
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3186
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3187
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3188
 * 82547 workaround to avoid controller hang in half-duplex environment.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3189
 * The workaround is to avoid queuing a large packet that would span
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3190
 * the internal Tx FIFO ring boundary by notifying the stack to resend
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3191
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3192
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3193
 * to the beginning of the Tx FIFO.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3194
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3195
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3196
#define E1000_FIFO_HDR			0x10
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3197
#define E1000_82547_PAD_LEN		0x3E0
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3199
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3200
				       struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3201
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3202
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3203
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3204
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3205
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3206
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3207
	if (adapter->link_duplex != HALF_DUPLEX)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3208
		goto no_fifo_stall_required;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3209
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3210
	if (atomic_read(&adapter->tx_fifo_stall))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3211
		return 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3212
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3213
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3214
		atomic_set(&adapter->tx_fifo_stall, 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3215
		return 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3216
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3217
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3218
no_fifo_stall_required:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3219
	adapter->tx_fifo_head += skb_fifo_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3220
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3221
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3222
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3223
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3224
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3225
#define MINIMUM_DHCP_PACKET_SIZE 282
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3226
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3227
				    struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3228
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3229
	struct e1000_hw *hw =  &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3230
	u16 length, offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3231
	if (vlan_tx_tag_present(skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3232
		if (!((vlan_tx_tag_get(skb) == hw->mng_cookie.vlan_id) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3233
			( hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3234
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3235
			return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3236
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3237
	if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3238
		struct ethhdr *eth = (struct ethhdr *)skb->data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3239
		if ((htons(ETH_P_IP) == eth->h_proto)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3240
			const struct iphdr *ip =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3241
				(struct iphdr *)((u8 *)skb->data+14);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3242
			if (IPPROTO_UDP == ip->protocol) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3243
				struct udphdr *udp =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3244
					(struct udphdr *)((u8 *)ip +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3245
						(ip->ihl << 2));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3246
				if (ntohs(udp->dest) == 67) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3247
					offset = (u8 *)udp + 8 - skb->data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3248
					length = skb->len - offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3249
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3250
					return e1000_mng_write_dhcp_info(hw,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3251
							(u8 *)udp + 8,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3252
							length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3253
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3254
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3255
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3256
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3257
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3258
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3259
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3260
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3261
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3262
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3263
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3264
2471
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3265
	if (adapter->ecdev) {
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3266
		return -EBUSY;
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3267
	}
fc64a4b1ec1a Fixed __e1000_maybe_stop_tx().
Florian Pose <fp@igh-essen.com>
parents: 2469
diff changeset
  3268
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3269
	netif_stop_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3270
	/* Herbert's original patch had:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3271
	 *  smp_mb__after_netif_stop_queue();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3272
	 * but since that doesn't exist yet, just open code it. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3273
	smp_mb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3274
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3275
	/* We need to check again in a case another CPU has just
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3276
	 * made room available. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3277
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3278
		return -EBUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3279
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3280
	/* A reprieve! */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3281
	netif_start_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3282
	++adapter->restart_queue;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3283
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3284
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3285
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3286
static int e1000_maybe_stop_tx(struct net_device *netdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3287
                               struct e1000_tx_ring *tx_ring, int size)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3288
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3289
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3290
		return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3291
	return __e1000_maybe_stop_tx(netdev, size);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3292
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3293
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3294
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3295
static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3296
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3297
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3298
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3299
	struct e1000_tx_ring *tx_ring;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3300
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3301
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3302
	unsigned int tx_flags = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3303
	unsigned int len = skb->len - skb->data_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3304
	unsigned int nr_frags = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3305
	unsigned int mss = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3306
	int count = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3307
	int tso;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3308
	unsigned int f;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3309
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3310
	/* This goes back to the question of how to logically map a tx queue
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3311
	 * to a flow.  Right now, performance is impacted slightly negatively
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3312
	 * if using multiple tx queues.  If the stack breaks away from a
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3313
	 * single qdisc implementation, we can look at this again. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3314
	tx_ring = adapter->tx_ring;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3315
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3316
	if (unlikely(skb->len <= 0)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3317
		if (!adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3318
			dev_kfree_skb_any(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3319
		return NETDEV_TX_OK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3320
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3321
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3322
	/* 82571 and newer doesn't need the workaround that limited descriptor
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3323
	 * length to 4kB */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3324
	if (hw->mac_type >= e1000_82571)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3325
		max_per_txd = 8192;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3326
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3327
	mss = skb_shinfo(skb)->gso_size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3328
	/* The controller does a simple calculation to
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3329
	 * make sure there is enough room in the FIFO before
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3330
	 * initiating the DMA for each buffer.  The calc is:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3331
	 * 4 = ceil(buffer len/mss).  To make sure we don't
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3332
	 * overrun the FIFO, adjust the max buffer len if mss
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3333
	 * drops. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3334
	if (mss) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3335
		u8 hdr_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3336
		max_per_txd = min(mss << 2, max_per_txd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3337
		max_txd_pwr = fls(max_per_txd) - 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3338
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3339
		/* TSO Workaround for 82571/2/3 Controllers -- if skb->data
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3340
		* points to just header, pull a few bytes of payload from
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3341
		* frags into skb->data */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3342
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3343
		if (skb->data_len && hdr_len == len) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3344
			switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3345
				unsigned int pull_size;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3346
			case e1000_82544:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3347
				/* Make sure we have room to chop off 4 bytes,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3348
				 * and that the end alignment will work out to
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3349
				 * this hardware's requirements
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3350
				 * NOTE: this is a TSO only workaround
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3351
				 * if end byte alignment not correct move us
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3352
				 * into the next dword */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3353
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3354
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3355
				/* fall through */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3356
			case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3357
			case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3358
			case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3359
			case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3360
				pull_size = min((unsigned int)4, skb->data_len);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3361
				if (!__pskb_pull_tail(skb, pull_size)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3362
					DPRINTK(DRV, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3363
						"__pskb_pull_tail failed.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3364
					dev_kfree_skb_any(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3365
					return NETDEV_TX_OK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3366
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3367
				len = skb->len - skb->data_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3368
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3369
			default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3370
				/* do nothing */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3371
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3372
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3373
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3374
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3375
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3376
	/* reserve a descriptor for the offload context */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3377
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3378
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3379
	count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3380
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3381
	/* Controller Erratum workaround */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3382
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3383
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3384
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3385
	count += TXD_USE_COUNT(len, max_txd_pwr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3386
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3387
	if (adapter->pcix_82544)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3388
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3389
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3390
	/* work-around for errata 10 and it applies to all controllers
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3391
	 * in PCI-X mode, so add one more descriptor to the count
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3392
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3393
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3394
			(len > 2015)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3395
		count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3396
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3397
	nr_frags = skb_shinfo(skb)->nr_frags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3398
	for (f = 0; f < nr_frags; f++)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3399
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3400
				       max_txd_pwr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3401
	if (adapter->pcix_82544)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3402
		count += nr_frags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3403
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3404
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3405
	if (hw->tx_pkt_filtering &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3406
	    (hw->mac_type == e1000_82573))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3407
		e1000_transfer_dhcp_info(adapter, skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3408
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3409
	/* need: count + 2 desc gap to keep tail from touching
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3410
	 * head, otherwise try next time */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3411
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3412
		return NETDEV_TX_BUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3413
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3414
	if (unlikely(hw->mac_type == e1000_82547)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3415
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3416
			if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3417
				netif_stop_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3418
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3419
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3420
			return NETDEV_TX_BUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3421
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3422
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3423
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3424
	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3425
		tx_flags |= E1000_TX_FLAGS_VLAN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3426
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3427
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3428
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3429
	first = tx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3430
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3431
	tso = e1000_tso(adapter, tx_ring, skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3432
	if (tso < 0) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3433
		if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3434
			dev_kfree_skb_any(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3435
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3436
		return NETDEV_TX_OK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3437
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3438
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3439
	if (likely(tso)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3440
		tx_ring->last_tx_tso = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3441
		tx_flags |= E1000_TX_FLAGS_TSO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3442
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3443
		tx_flags |= E1000_TX_FLAGS_CSUM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3444
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3445
	/* Old method was to assume IPv4 packet by default if TSO was enabled.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3446
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3447
	 * no longer assume, we must. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3448
	if (likely(skb->protocol == htons(ETH_P_IP)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3449
		tx_flags |= E1000_TX_FLAGS_IPV4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3450
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3451
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3452
	                     nr_frags, mss);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3453
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3454
	if (count) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3455
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3456
		if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3457
			/* Make sure there is space in the ring for the next send. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3458
			e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3459
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3460
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3461
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3462
		if (!adapter->ecdev) dev_kfree_skb_any(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3463
		tx_ring->buffer_info[first].time_stamp = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3464
		tx_ring->next_to_use = first;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3465
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3466
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3467
	return NETDEV_TX_OK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3468
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3469
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3470
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3471
 * e1000_tx_timeout - Respond to a Tx Hang
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3472
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3473
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3474
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3475
static void e1000_tx_timeout(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3476
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3477
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3478
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3479
	/* Do the reset outside of interrupt context */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3480
	adapter->tx_timeout_count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3481
	schedule_work(&adapter->reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3482
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3483
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3484
static void e1000_reset_task(struct work_struct *work)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3485
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3486
	struct e1000_adapter *adapter =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3487
		container_of(work, struct e1000_adapter, reset_task);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3488
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3489
	e1000_reinit_locked(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3490
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3491
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3492
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3493
 * e1000_get_stats - Get System Network Statistics
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3494
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3495
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3496
 * Returns the address of the device statistics structure.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3497
 * The statistics are actually updated from the timer callback.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3498
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3499
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3500
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3501
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3502
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3503
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3504
	/* only return the current stats */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3505
	return &adapter->net_stats;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3506
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3507
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3508
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3509
 * e1000_change_mtu - Change the Maximum Transfer Unit
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3510
 * @netdev: network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3511
 * @new_mtu: new value for maximum frame size
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3512
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3513
 * Returns 0 on success, negative on failure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3514
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3515
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3516
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3517
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3518
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3519
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3520
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3521
	u16 eeprom_data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3522
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3523
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3524
		return -EBUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3525
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3526
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3527
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3528
		DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3529
		return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3530
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3531
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3532
	/* Adapter-specific max frame size limits. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3533
	switch (hw->mac_type) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3534
	case e1000_undefined ... e1000_82542_rev2_1:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3535
	case e1000_ich8lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3536
		if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3537
			DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3538
			return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3539
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3540
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3541
	case e1000_82573:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3542
		/* Jumbo Frames not supported if:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3543
		 * - this is not an 82573L device
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3544
		 * - ASPM is enabled in any way (0x1A bits 3:2) */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3545
		e1000_read_eeprom(hw, EEPROM_INIT_3GIO_3, 1,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3546
		                  &eeprom_data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3547
		if ((hw->device_id != E1000_DEV_ID_82573L) ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3548
		    (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3549
			if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3550
				DPRINTK(PROBE, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3551
			            	"Jumbo Frames not supported.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3552
				return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3553
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3554
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3555
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3556
		/* ERT will be enabled later to enable wire speed receives */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3557
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3558
		/* fall through to get support */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3559
	case e1000_82571:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3560
	case e1000_82572:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3561
	case e1000_80003es2lan:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3562
#define MAX_STD_JUMBO_FRAME_SIZE 9234
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3563
		if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3564
			DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3565
			return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3566
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3567
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3568
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3569
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3570
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3571
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3572
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3573
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3574
	 * means we reserve 2 more, this pushes us to allocate from the next
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3575
	 * larger slab size
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3576
	 * i.e. RXBUFFER_2048 --> size-4096 slab */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3577
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3578
	if (max_frame <= E1000_RXBUFFER_256)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3579
		adapter->rx_buffer_len = E1000_RXBUFFER_256;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3580
	else if (max_frame <= E1000_RXBUFFER_512)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3581
		adapter->rx_buffer_len = E1000_RXBUFFER_512;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3582
	else if (max_frame <= E1000_RXBUFFER_1024)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3583
		adapter->rx_buffer_len = E1000_RXBUFFER_1024;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3584
	else if (max_frame <= E1000_RXBUFFER_2048)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3585
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3586
	else if (max_frame <= E1000_RXBUFFER_4096)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3587
		adapter->rx_buffer_len = E1000_RXBUFFER_4096;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3588
	else if (max_frame <= E1000_RXBUFFER_8192)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3589
		adapter->rx_buffer_len = E1000_RXBUFFER_8192;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3590
	else if (max_frame <= E1000_RXBUFFER_16384)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3591
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3592
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3593
	/* adjust allocation if LPE protects us, and we aren't using SBP */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3594
	if (!hw->tbi_compatibility_on &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3595
	    ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3596
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3597
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3598
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3599
	netdev->mtu = new_mtu;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3600
	hw->max_frame_size = max_frame;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3601
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3602
	if (netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3603
		e1000_reinit_locked(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3604
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3605
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3606
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3607
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3608
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3609
 * e1000_update_stats - Update the board statistics counters
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3610
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3611
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3612
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3613
void e1000_update_stats(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3614
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3615
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3616
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3617
	unsigned long flags = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3618
	u16 phy_tmp;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3619
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3620
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3621
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3622
	/*
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3623
	 * Prevent stats update while adapter is being reset, or if the pci
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3624
	 * connection is down.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3625
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3626
	if (adapter->link_speed == 0)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3627
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3628
	if (pci_channel_offline(pdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3629
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3630
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3631
	if (!adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3632
		spin_lock_irqsave(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3633
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3634
	/* these counters are modified from e1000_tbi_adjust_stats,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3635
	 * called from the interrupt context, so they must only
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3636
	 * be written while holding adapter->stats_lock
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3637
	 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3638
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3639
	adapter->stats.crcerrs += er32(CRCERRS);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3640
	adapter->stats.gprc += er32(GPRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3641
	adapter->stats.gorcl += er32(GORCL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3642
	adapter->stats.gorch += er32(GORCH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3643
	adapter->stats.bprc += er32(BPRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3644
	adapter->stats.mprc += er32(MPRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3645
	adapter->stats.roc += er32(ROC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3646
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3647
	if (hw->mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3648
		adapter->stats.prc64 += er32(PRC64);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3649
		adapter->stats.prc127 += er32(PRC127);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3650
		adapter->stats.prc255 += er32(PRC255);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3651
		adapter->stats.prc511 += er32(PRC511);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3652
		adapter->stats.prc1023 += er32(PRC1023);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3653
		adapter->stats.prc1522 += er32(PRC1522);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3654
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3655
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3656
	adapter->stats.symerrs += er32(SYMERRS);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3657
	adapter->stats.mpc += er32(MPC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3658
	adapter->stats.scc += er32(SCC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3659
	adapter->stats.ecol += er32(ECOL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3660
	adapter->stats.mcc += er32(MCC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3661
	adapter->stats.latecol += er32(LATECOL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3662
	adapter->stats.dc += er32(DC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3663
	adapter->stats.sec += er32(SEC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3664
	adapter->stats.rlec += er32(RLEC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3665
	adapter->stats.xonrxc += er32(XONRXC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3666
	adapter->stats.xontxc += er32(XONTXC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3667
	adapter->stats.xoffrxc += er32(XOFFRXC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3668
	adapter->stats.xofftxc += er32(XOFFTXC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3669
	adapter->stats.fcruc += er32(FCRUC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3670
	adapter->stats.gptc += er32(GPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3671
	adapter->stats.gotcl += er32(GOTCL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3672
	adapter->stats.gotch += er32(GOTCH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3673
	adapter->stats.rnbc += er32(RNBC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3674
	adapter->stats.ruc += er32(RUC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3675
	adapter->stats.rfc += er32(RFC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3676
	adapter->stats.rjc += er32(RJC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3677
	adapter->stats.torl += er32(TORL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3678
	adapter->stats.torh += er32(TORH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3679
	adapter->stats.totl += er32(TOTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3680
	adapter->stats.toth += er32(TOTH);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3681
	adapter->stats.tpr += er32(TPR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3682
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3683
	if (hw->mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3684
		adapter->stats.ptc64 += er32(PTC64);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3685
		adapter->stats.ptc127 += er32(PTC127);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3686
		adapter->stats.ptc255 += er32(PTC255);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3687
		adapter->stats.ptc511 += er32(PTC511);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3688
		adapter->stats.ptc1023 += er32(PTC1023);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3689
		adapter->stats.ptc1522 += er32(PTC1522);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3690
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3691
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3692
	adapter->stats.mptc += er32(MPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3693
	adapter->stats.bptc += er32(BPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3694
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3695
	/* used for adaptive IFS */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3696
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3697
	hw->tx_packet_delta = er32(TPT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3698
	adapter->stats.tpt += hw->tx_packet_delta;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3699
	hw->collision_delta = er32(COLC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3700
	adapter->stats.colc += hw->collision_delta;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3701
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3702
	if (hw->mac_type >= e1000_82543) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3703
		adapter->stats.algnerrc += er32(ALGNERRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3704
		adapter->stats.rxerrc += er32(RXERRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3705
		adapter->stats.tncrs += er32(TNCRS);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3706
		adapter->stats.cexterr += er32(CEXTERR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3707
		adapter->stats.tsctc += er32(TSCTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3708
		adapter->stats.tsctfc += er32(TSCTFC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3709
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3710
	if (hw->mac_type > e1000_82547_rev_2) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3711
		adapter->stats.iac += er32(IAC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3712
		adapter->stats.icrxoc += er32(ICRXOC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3713
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3714
		if (hw->mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3715
			adapter->stats.icrxptc += er32(ICRXPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3716
			adapter->stats.icrxatc += er32(ICRXATC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3717
			adapter->stats.ictxptc += er32(ICTXPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3718
			adapter->stats.ictxatc += er32(ICTXATC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3719
			adapter->stats.ictxqec += er32(ICTXQEC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3720
			adapter->stats.ictxqmtc += er32(ICTXQMTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3721
			adapter->stats.icrxdmtc += er32(ICRXDMTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3722
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3723
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3724
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3725
	/* Fill out the OS statistics structure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3726
	adapter->net_stats.multicast = adapter->stats.mprc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3727
	adapter->net_stats.collisions = adapter->stats.colc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3728
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3729
	/* Rx Errors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3730
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3731
	/* RLEC on some newer hardware can be incorrect so build
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3732
	* our own version based on RUC and ROC */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3733
	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3734
		adapter->stats.crcerrs + adapter->stats.algnerrc +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3735
		adapter->stats.ruc + adapter->stats.roc +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3736
		adapter->stats.cexterr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3737
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3738
	adapter->net_stats.rx_length_errors = adapter->stats.rlerrc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3739
	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3740
	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3741
	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3742
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3743
	/* Tx Errors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3744
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3745
	adapter->net_stats.tx_errors = adapter->stats.txerrc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3746
	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3747
	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3748
	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3749
	if (hw->bad_tx_carr_stats_fd &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3750
	    adapter->link_duplex == FULL_DUPLEX) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3751
		adapter->net_stats.tx_carrier_errors = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3752
		adapter->stats.tncrs = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3753
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3754
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3755
	/* Tx Dropped needs to be maintained elsewhere */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3756
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3757
	/* Phy Stats */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3758
	if (hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3759
		if ((adapter->link_speed == SPEED_1000) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3760
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3761
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3762
			adapter->phy_stats.idle_errors += phy_tmp;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3763
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3764
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3765
		if ((hw->mac_type <= e1000_82546) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3766
		   (hw->phy_type == e1000_phy_m88) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3767
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3768
			adapter->phy_stats.receive_errors += phy_tmp;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3769
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3770
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3771
	/* Management Stats */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3772
	if (hw->has_smbus) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3773
		adapter->stats.mgptc += er32(MGTPTC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3774
		adapter->stats.mgprc += er32(MGTPRC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3775
		adapter->stats.mgpdc += er32(MGTPDC);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3776
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3777
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3778
	if (!adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3779
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3780
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3781
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3782
void ec_poll(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3783
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3784
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3785
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3786
		e1000_watchdog((unsigned long) adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3787
		adapter->ec_watchdog_jiffies = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3788
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3789
#ifdef CONFIG_PCI_MSI
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3790
	e1000_intr_msi(0, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3791
#else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3792
	e1000_intr(0, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3793
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3794
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3795
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3796
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3797
 * e1000_intr_msi - Interrupt Handler
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3798
 * @irq: interrupt number
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3799
 * @data: pointer to a network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3800
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3801
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3802
static irqreturn_t e1000_intr_msi(int irq, void *data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3803
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3804
	struct net_device *netdev = data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3805
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3806
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3807
	u32 icr = er32(ICR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3808
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3809
	if (adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3810
		int i, ec_work_done = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3811
		for (i = 0; i < E1000_MAX_INTR; i++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3812
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
2203
0e85057a70fb Fixed accidentially used operator & by using &&.
Florian Pose <fp@igh-essen.com>
parents: 2198
diff changeset
  3813
						&ec_work_done, 100) &&
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3814
					!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3815
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3816
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3817
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3818
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3819
		/* in NAPI mode read ICR disables interrupts using IAM */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3820
2212
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3821
		if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3822
			hw->get_link_status = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3823
			/* 80003ES2LAN workaround-- For packet buffer work-around on
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3824
			 * link down event; disable receives here in the ISR and reset
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3825
			 * adapter in watchdog */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3826
			if (netif_carrier_ok(netdev) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3827
			    (hw->mac_type == e1000_80003es2lan)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3828
				/* disable receives */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3829
				u32 rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3830
				ew32(RCTL, rctl & ~E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3831
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3832
			/* guard against interrupt when we're going down */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3833
			if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3834
				mod_timer(&adapter->watchdog_timer, jiffies + 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3835
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3836
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3837
		if (likely(napi_schedule_prep(&adapter->napi))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3838
			adapter->total_tx_bytes = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3839
			adapter->total_tx_packets = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3840
			adapter->total_rx_bytes = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3841
			adapter->total_rx_packets = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3842
			__napi_schedule(&adapter->napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3843
		} else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3844
			e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3845
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3846
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3847
	return IRQ_HANDLED;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3848
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3849
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3850
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3851
 * e1000_intr - Interrupt Handler
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3852
 * @irq: interrupt number
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3853
 * @data: pointer to a network interface device structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3854
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3855
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3856
static irqreturn_t e1000_intr(int irq, void *data)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3857
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3858
	struct net_device *netdev = data;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3859
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3860
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3861
	u32 rctl, icr = er32(ICR);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3862
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3863
	if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3864
		return IRQ_NONE;  /* Not our interrupt */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3865
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3866
	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3867
	 * not set, then the adapter didn't send an interrupt */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3868
	if (unlikely(hw->mac_type >= e1000_82571 &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3869
	             !(icr & E1000_ICR_INT_ASSERTED)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3870
		return IRQ_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3871
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3872
	/* Interrupt Auto-Mask...upon reading ICR, interrupts are masked.  No
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3873
	 * need for the IMC write */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3874
2212
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3875
	if (!adapter->ecdev && unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3876
		hw->get_link_status = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3877
		/* 80003ES2LAN workaround--
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3878
		 * For packet buffer work-around on link down event;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3879
		 * disable receives here in the ISR and
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3880
		 * reset adapter in watchdog
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3881
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3882
		if (netif_carrier_ok(netdev) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3883
		    (hw->mac_type == e1000_80003es2lan)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3884
			/* disable receives */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3885
			rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3886
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3887
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3888
		/* guard against interrupt when we're going down */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3889
		if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3890
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3891
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3892
2212
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3893
	if (adapter->ecdev) {
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3894
		int i, ec_work_done = 0;
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3895
		for (i = 0; i < E1000_MAX_INTR; i++) {
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3896
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3897
							&ec_work_done, 100) &&
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3898
						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3899
				break;
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3900
			}
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3901
		}
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3902
	} else {
2212
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3903
		if (unlikely(hw->mac_type < e1000_82571)) {
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3904
			/* disable interrupts, without the synchronize_irq bit */
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3905
			ew32(IMC, ~0);
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3906
			E1000_WRITE_FLUSH();
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3907
		}
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3908
		if (likely(napi_schedule_prep(&adapter->napi))) {
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3909
			adapter->total_tx_bytes = 0;
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3910
			adapter->total_tx_packets = 0;
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3911
			adapter->total_rx_bytes = 0;
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3912
			adapter->total_rx_packets = 0;
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3913
			__napi_schedule(&adapter->napi);
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3914
		} else {
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3915
			/* this really should not happen! if it does it is basically a
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3916
			 * bug, but not a hard error, so enable ints and continue */
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3917
			if (!test_bit(__E1000_DOWN, &adapter->flags))
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3918
				e1000_irq_enable(adapter);
8fd38efc562f Fixed ISR.
Florian Pose <fp@igh-essen.com>
parents: 2203
diff changeset
  3919
		}
2198
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3920
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3921
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3922
	return IRQ_HANDLED;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3923
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3924
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3925
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3926
 * e1000_clean - NAPI Rx polling callback
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3927
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3928
 * EtherCAT: never called
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3929
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3930
static int e1000_clean(struct napi_struct *napi, int budget)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3931
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3932
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3933
	struct net_device *poll_dev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3934
	int tx_cleaned = 0, work_done = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3935
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3936
	adapter = netdev_priv(poll_dev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3937
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3938
	tx_cleaned = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3939
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3940
	adapter->clean_rx(adapter, &adapter->rx_ring[0],
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3941
	                  &work_done, budget);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3942
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3943
	if (!tx_cleaned)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3944
		work_done = budget;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3945
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3946
	/* If budget not fully consumed, exit the polling mode */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3947
	if (work_done < budget) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3948
		if (likely(adapter->itr_setting & 3))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3949
			e1000_set_itr(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3950
		napi_complete(napi);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3951
		if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3952
			e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3953
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3954
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3955
	return work_done;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3956
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3957
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3958
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3959
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3960
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3961
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3962
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3963
			       struct e1000_tx_ring *tx_ring)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3964
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3965
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3966
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3967
	struct e1000_tx_desc *tx_desc, *eop_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3968
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3969
	unsigned int i, eop;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3970
	unsigned int count = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3971
	unsigned int total_tx_bytes=0, total_tx_packets=0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3972
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3973
	i = tx_ring->next_to_clean;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3974
	eop = tx_ring->buffer_info[i].next_to_watch;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3975
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3976
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3977
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3978
	       (count < tx_ring->count)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3979
		bool cleaned = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3980
		for ( ; !cleaned; count++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3981
			tx_desc = E1000_TX_DESC(*tx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3982
			buffer_info = &tx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3983
			cleaned = (i == eop);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3984
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3985
			if (cleaned) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3986
				struct sk_buff *skb = buffer_info->skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3987
				unsigned int segs, bytecount;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3988
				segs = skb_shinfo(skb)->gso_segs ?: 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3989
				/* multiply data chunks by size of headers */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3990
				bytecount = ((segs - 1) * skb_headlen(skb)) +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3991
				            skb->len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3992
				total_tx_packets += segs;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3993
				total_tx_bytes += bytecount;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3994
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3995
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3996
			tx_desc->upper.data = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3997
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3998
			if (unlikely(++i == tx_ring->count)) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  3999
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4000
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4001
		eop = tx_ring->buffer_info[i].next_to_watch;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4002
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4003
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4004
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4005
	tx_ring->next_to_clean = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4006
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4007
#define TX_WAKE_THRESHOLD 32
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4008
	if (!adapter->ecdev && unlikely(count && netif_carrier_ok(netdev) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4009
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4010
		/* Make sure that anybody stopping the queue after this
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4011
		 * sees the new next_to_clean.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4012
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4013
		smp_mb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4014
		if (netif_queue_stopped(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4015
			netif_wake_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4016
			++adapter->restart_queue;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4017
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4018
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4019
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4020
	if (!adapter->ecdev && adapter->detect_tx_hung) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4021
		/* Detect a transmit hang in hardware, this serializes the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4022
		 * check with the clearing of time_stamp and movement of i */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4023
		adapter->detect_tx_hung = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4024
		if (tx_ring->buffer_info[i].time_stamp &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4025
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4026
		               (adapter->tx_timeout_factor * HZ))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4027
		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4028
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4029
			/* detected Tx unit hang */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4030
			DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4031
					"  Tx Queue             <%lu>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4032
					"  TDH                  <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4033
					"  TDT                  <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4034
					"  next_to_use          <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4035
					"  next_to_clean        <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4036
					"buffer_info[next_to_clean]\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4037
					"  time_stamp           <%lx>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4038
					"  next_to_watch        <%x>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4039
					"  jiffies              <%lx>\n"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4040
					"  next_to_watch.status <%x>\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4041
				(unsigned long)((tx_ring - adapter->tx_ring) /
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4042
					sizeof(struct e1000_tx_ring)),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4043
				readl(hw->hw_addr + tx_ring->tdh),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4044
				readl(hw->hw_addr + tx_ring->tdt),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4045
				tx_ring->next_to_use,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4046
				tx_ring->next_to_clean,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4047
				tx_ring->buffer_info[i].time_stamp,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4048
				eop,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4049
				jiffies,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4050
				eop_desc->upper.fields.status);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4051
			netif_stop_queue(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4052
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4053
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4054
	adapter->total_tx_bytes += total_tx_bytes;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4055
	adapter->total_tx_packets += total_tx_packets;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4056
	adapter->net_stats.tx_bytes += total_tx_bytes;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4057
	adapter->net_stats.tx_packets += total_tx_packets;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4058
	return (count < tx_ring->count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4059
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4060
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4061
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4062
 * e1000_rx_checksum - Receive Checksum Offload for 82543
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4063
 * @adapter:     board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4064
 * @status_err:  receive descriptor status and error fields
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4065
 * @csum:        receive descriptor csum field
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4066
 * @sk_buff:     socket buffer with received data
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4067
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4068
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4069
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4070
			      u32 csum, struct sk_buff *skb)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4071
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4072
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4073
	u16 status = (u16)status_err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4074
	u8 errors = (u8)(status_err >> 24);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4075
	skb->ip_summed = CHECKSUM_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4076
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4077
	/* 82543 or newer only */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4078
	if (unlikely(hw->mac_type < e1000_82543)) return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4079
	/* Ignore Checksum bit is set */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4080
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4081
	/* TCP/UDP checksum error bit is set */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4082
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4083
		/* let the stack verify checksum errors */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4084
		adapter->hw_csum_err++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4085
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4086
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4087
	/* TCP/UDP Checksum has not been calculated */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4088
	if (hw->mac_type <= e1000_82547_rev_2) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4089
		if (!(status & E1000_RXD_STAT_TCPCS))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4090
			return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4091
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4092
		if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4093
			return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4094
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4095
	/* It must be a TCP or UDP packet with a valid checksum */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4096
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4097
		/* TCP checksum is good */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4098
		skb->ip_summed = CHECKSUM_UNNECESSARY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4099
	} else if (hw->mac_type > e1000_82547_rev_2) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4100
		/* IP fragment with UDP payload */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4101
		/* Hardware complements the payload checksum, so we undo it
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4102
		 * and then put the value in host order for further stack use.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4103
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4104
		__sum16 sum = (__force __sum16)htons(csum);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4105
		skb->csum = csum_unfold(~sum);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4106
		skb->ip_summed = CHECKSUM_COMPLETE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4107
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4108
	adapter->hw_csum_good++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4109
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4110
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4111
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4112
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4113
 * @adapter: board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4114
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4115
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4116
			       struct e1000_rx_ring *rx_ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4117
			       int *work_done, int work_to_do)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4118
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4119
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4120
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4121
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4122
	struct e1000_rx_desc *rx_desc, *next_rxd;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4123
	struct e1000_buffer *buffer_info, *next_buffer;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4124
	unsigned long flags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4125
	u32 length;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4126
	u8 last_byte;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4127
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4128
	int cleaned_count = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4129
	bool cleaned = false;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4130
	unsigned int total_rx_bytes=0, total_rx_packets=0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4131
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4132
	i = rx_ring->next_to_clean;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4133
	rx_desc = E1000_RX_DESC(*rx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4134
	buffer_info = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4135
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4136
	while (rx_desc->status & E1000_RXD_STAT_DD) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4137
		struct sk_buff *skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4138
		u8 status;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4139
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4140
		if (*work_done >= work_to_do)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4141
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4142
		(*work_done)++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4143
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4144
		status = rx_desc->status;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4145
		skb = buffer_info->skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4146
		if (!adapter->ecdev) buffer_info->skb = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4147
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4148
		prefetch(skb->data - NET_IP_ALIGN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4149
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4150
		if (++i == rx_ring->count) i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4151
		next_rxd = E1000_RX_DESC(*rx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4152
		prefetch(next_rxd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4153
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4154
		next_buffer = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4155
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4156
		cleaned = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4157
		cleaned_count++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4158
		pci_unmap_single(pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4159
		                 buffer_info->dma,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4160
		                 buffer_info->length,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4161
		                 PCI_DMA_FROMDEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4162
		buffer_info->dma = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4163
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4164
		length = le16_to_cpu(rx_desc->length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4165
		/* !EOP means multiple descriptors were used to store a single
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4166
		 * packet, also make sure the frame isn't just CRC only */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4167
		if (unlikely(!(status & E1000_RXD_STAT_EOP) || (length <= 4))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4168
			/* All receives must fit into a single buffer */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4169
			E1000_DBG("%s: Receive packet consumed multiple"
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4170
				  " buffers\n", netdev->name);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4171
			/* recycle */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4172
			buffer_info->skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4173
			goto next_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4174
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4175
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4176
		if (!adapter->ecdev &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4177
				unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4178
			last_byte = *(skb->data + length - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4179
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4180
				       last_byte)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4181
				spin_lock_irqsave(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4182
				e1000_tbi_adjust_stats(hw, &adapter->stats,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4183
				                       length, skb->data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4184
				spin_unlock_irqrestore(&adapter->stats_lock,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4185
				                       flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4186
				length--;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4187
			} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4188
				/* recycle */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4189
				buffer_info->skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4190
				goto next_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4191
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4192
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4193
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4194
		/* adjust length to remove Ethernet CRC, this must be
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4195
		 * done after the TBI_ACCEPT workaround above */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4196
		length -= 4;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4197
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4198
		/* probably a little skewed due to removing CRC */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4199
		total_rx_bytes += length;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4200
		total_rx_packets++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4201
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4202
		/* code added for copybreak, this should improve
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4203
		 * performance for small packets with large amounts
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4204
		 * of reassembly being done in the stack */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4205
		if (!adapter->ecdev && length < copybreak) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4206
			struct sk_buff *new_skb =
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4207
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4208
			if (new_skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4209
				skb_reserve(new_skb, NET_IP_ALIGN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4210
				skb_copy_to_linear_data_offset(new_skb,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4211
							       -NET_IP_ALIGN,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4212
							       (skb->data -
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4213
							        NET_IP_ALIGN),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4214
							       (length +
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4215
							        NET_IP_ALIGN));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4216
				/* save the skb in buffer_info as good */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4217
				buffer_info->skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4218
				skb = new_skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4219
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4220
			/* else just continue with the old one */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4221
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4222
		/* end copybreak code */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4223
		skb_put(skb, length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4224
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4225
		/* Receive Checksum Offload */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4226
		e1000_rx_checksum(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4227
				  (u32)(status) |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4228
				  ((u32)(rx_desc->errors) << 24),
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4229
				  le16_to_cpu(rx_desc->csum), skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4230
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4231
		if (adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4232
			ecdev_receive(adapter->ecdev, skb->data, length);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4233
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4234
			// No need to detect link status as
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4235
			// long as frames are received: Reset watchdog.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4236
			adapter->ec_watchdog_jiffies = jiffies;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4237
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4238
			skb->protocol = eth_type_trans(skb, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4239
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4240
			if (unlikely(adapter->vlgrp &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4241
				    (status & E1000_RXD_STAT_VP))) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4242
				vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4243
							 le16_to_cpu(rx_desc->special));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4244
			} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4245
				netif_receive_skb(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4246
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4247
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4248
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4249
next_desc:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4250
		rx_desc->status = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4251
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4252
		/* return some buffers to hardware, one at a time is too slow */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4253
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4254
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4255
			cleaned_count = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4256
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4257
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4258
		/* use prefetched values */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4259
		rx_desc = next_rxd;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4260
		buffer_info = next_buffer;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4261
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4262
	rx_ring->next_to_clean = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4263
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4264
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4265
	if (cleaned_count)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4266
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4267
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4268
	adapter->total_rx_packets += total_rx_packets;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4269
	adapter->total_rx_bytes += total_rx_bytes;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4270
	adapter->net_stats.rx_bytes += total_rx_bytes;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4271
	adapter->net_stats.rx_packets += total_rx_packets;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4272
	return cleaned;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4273
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4274
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4275
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4276
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4277
 * @adapter: address of board private structure
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4278
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4279
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4280
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4281
				   struct e1000_rx_ring *rx_ring,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4282
				   int cleaned_count)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4283
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4284
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4285
	struct net_device *netdev = adapter->netdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4286
	struct pci_dev *pdev = adapter->pdev;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4287
	struct e1000_rx_desc *rx_desc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4288
	struct e1000_buffer *buffer_info;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4289
	struct sk_buff *skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4290
	unsigned int i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4291
	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4292
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4293
	i = rx_ring->next_to_use;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4294
	buffer_info = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4295
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4296
	while (cleaned_count--) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4297
		skb = buffer_info->skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4298
		if (skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4299
			skb_trim(skb, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4300
			goto map_skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4301
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4302
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4303
		skb = netdev_alloc_skb(netdev, bufsz);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4304
		if (unlikely(!skb)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4305
			/* Better luck next round */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4306
			adapter->alloc_rx_buff_failed++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4307
			break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4308
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4309
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4310
		/* Fix for errata 23, can't cross 64kB boundary */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4311
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4312
			struct sk_buff *oldskb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4313
			DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4314
					     "at %p\n", bufsz, skb->data);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4315
			/* Try again, without freeing the previous */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4316
			skb = netdev_alloc_skb(netdev, bufsz);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4317
			/* Failed allocation, critical failure */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4318
			if (!skb) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4319
				dev_kfree_skb(oldskb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4320
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4321
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4322
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4323
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4324
				/* give up */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4325
				dev_kfree_skb(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4326
				dev_kfree_skb(oldskb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4327
				break; /* while !buffer_info->skb */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4328
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4329
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4330
			/* Use new allocation */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4331
			dev_kfree_skb(oldskb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4332
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4333
		/* Make buffer alignment 2 beyond a 16 byte boundary
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4334
		 * this will result in a 16 byte aligned IP header after
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4335
		 * the 14 byte MAC header is removed
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4336
		 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4337
		skb_reserve(skb, NET_IP_ALIGN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4338
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4339
		buffer_info->skb = skb;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4340
		buffer_info->length = adapter->rx_buffer_len;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4341
map_skb:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4342
		buffer_info->dma = pci_map_single(pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4343
						  skb->data,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4344
						  adapter->rx_buffer_len,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4345
						  PCI_DMA_FROMDEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4346
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4347
		/* Fix for errata 23, can't cross 64kB boundary */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4348
		if (!e1000_check_64k_bound(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4349
					(void *)(unsigned long)buffer_info->dma,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4350
					adapter->rx_buffer_len)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4351
			DPRINTK(RX_ERR, ERR,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4352
				"dma align check failed: %u bytes at %p\n",
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4353
				adapter->rx_buffer_len,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4354
				(void *)(unsigned long)buffer_info->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4355
			if (!adapter->ecdev) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4356
				dev_kfree_skb(skb);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4357
				buffer_info->skb = NULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4358
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4359
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4360
			pci_unmap_single(pdev, buffer_info->dma,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4361
					 adapter->rx_buffer_len,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4362
					 PCI_DMA_FROMDEVICE);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4363
			buffer_info->dma = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4364
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4365
			break; /* while !buffer_info->skb */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4366
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4367
		rx_desc = E1000_RX_DESC(*rx_ring, i);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4368
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4369
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4370
		if (unlikely(++i == rx_ring->count))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4371
			i = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4372
		buffer_info = &rx_ring->buffer_info[i];
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4373
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4374
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4375
	if (likely(rx_ring->next_to_use != i)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4376
		rx_ring->next_to_use = i;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4377
		if (unlikely(i-- == 0))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4378
			i = (rx_ring->count - 1);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4379
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4380
		/* Force memory writes to complete before letting h/w
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4381
		 * know there are new descriptors to fetch.  (Only
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4382
		 * applicable for weak-ordered memory model archs,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4383
		 * such as IA-64). */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4384
		wmb();
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4385
		writel(i, hw->hw_addr + rx_ring->rdt);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4386
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4387
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4388
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4389
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4390
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4391
 * @adapter:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4392
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4393
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4394
static void e1000_smartspeed(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4395
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4396
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4397
	u16 phy_status;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4398
	u16 phy_ctrl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4399
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4400
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4401
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4402
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4403
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4404
	if (adapter->smartspeed == 0) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4405
		/* If Master/Slave config fault is asserted twice,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4406
		 * we assume back-to-back */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4407
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4408
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4409
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4410
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4411
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4412
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4413
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4414
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4415
					    phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4416
			adapter->smartspeed++;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4417
			if (!e1000_phy_setup_autoneg(hw) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4418
			   !e1000_read_phy_reg(hw, PHY_CTRL,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4419
				   	       &phy_ctrl)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4420
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4421
					     MII_CR_RESTART_AUTO_NEG);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4422
				e1000_write_phy_reg(hw, PHY_CTRL,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4423
						    phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4424
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4425
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4426
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4427
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4428
		/* If still no link, perhaps using 2/3 pair cable */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4429
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4430
		phy_ctrl |= CR_1000T_MS_ENABLE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4431
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4432
		if (!e1000_phy_setup_autoneg(hw) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4433
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4434
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4435
				     MII_CR_RESTART_AUTO_NEG);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4436
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4437
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4438
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4439
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4440
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4441
		adapter->smartspeed = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4442
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4443
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4444
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4445
 * e1000_ioctl -
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4446
 * @netdev:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4447
 * @ifreq:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4448
 * @cmd:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4449
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4450
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4451
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4452
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4453
	switch (cmd) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4454
	case SIOCGMIIPHY:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4455
	case SIOCGMIIREG:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4456
	case SIOCSMIIREG:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4457
		return e1000_mii_ioctl(netdev, ifr, cmd);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4458
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4459
		return -EOPNOTSUPP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4460
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4461
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4462
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4463
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4464
 * e1000_mii_ioctl -
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4465
 * @netdev:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4466
 * @ifreq:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4467
 * @cmd:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4468
 **/
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4469
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4470
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4471
			   int cmd)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4472
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4473
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4474
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4475
	struct mii_ioctl_data *data = if_mii(ifr);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4476
	int retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4477
	u16 mii_reg;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4478
	u16 spddplx;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4479
	unsigned long flags;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4480
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4481
	if (hw->media_type != e1000_media_type_copper)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4482
		return -EOPNOTSUPP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4483
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4484
	switch (cmd) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4485
	case SIOCGMIIPHY:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4486
		data->phy_id = hw->phy_addr;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4487
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4488
	case SIOCGMIIREG:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4489
		if (!capable(CAP_NET_ADMIN) || adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4490
			return -EPERM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4491
		spin_lock_irqsave(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4492
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4493
				   &data->val_out)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4494
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4495
			return -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4496
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4497
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4498
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4499
	case SIOCSMIIREG:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4500
		if (!capable(CAP_NET_ADMIN) || adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4501
			return -EPERM;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4502
		if (data->reg_num & ~(0x1F))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4503
			return -EFAULT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4504
		mii_reg = data->val_in;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4505
		spin_lock_irqsave(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4506
		if (e1000_write_phy_reg(hw, data->reg_num,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4507
					mii_reg)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4508
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4509
			return -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4510
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4511
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4512
		if (hw->media_type == e1000_media_type_copper) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4513
			switch (data->reg_num) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4514
			case PHY_CTRL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4515
				if (mii_reg & MII_CR_POWER_DOWN)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4516
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4517
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4518
					hw->autoneg = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4519
					hw->autoneg_advertised = 0x2F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4520
				} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4521
					if (mii_reg & 0x40)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4522
						spddplx = SPEED_1000;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4523
					else if (mii_reg & 0x2000)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4524
						spddplx = SPEED_100;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4525
					else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4526
						spddplx = SPEED_10;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4527
					spddplx += (mii_reg & 0x100)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4528
						   ? DUPLEX_FULL :
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4529
						   DUPLEX_HALF;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4530
					retval = e1000_set_spd_dplx(adapter,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4531
								    spddplx);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4532
					if (retval)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4533
						return retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4534
				}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4535
				if (netif_running(adapter->netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4536
					e1000_reinit_locked(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4537
				else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4538
					e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4539
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4540
			case M88E1000_PHY_SPEC_CTRL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4541
			case M88E1000_EXT_PHY_SPEC_CTRL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4542
				if (e1000_phy_reset(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4543
					return -EIO;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4544
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4545
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4546
		} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4547
			switch (data->reg_num) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4548
			case PHY_CTRL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4549
				if (mii_reg & MII_CR_POWER_DOWN)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4550
					break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4551
				if (netif_running(adapter->netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4552
					e1000_reinit_locked(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4553
				else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4554
					e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4555
				break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4556
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4557
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4558
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4559
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4560
		return -EOPNOTSUPP;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4561
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4562
	return E1000_SUCCESS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4563
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4564
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4565
void e1000_pci_set_mwi(struct e1000_hw *hw)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4566
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4567
	struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4568
	int ret_val = pci_set_mwi(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4569
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4570
	if (ret_val)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4571
		DPRINTK(PROBE, ERR, "Error in setting MWI\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4572
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4573
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4574
void e1000_pci_clear_mwi(struct e1000_hw *hw)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4575
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4576
	struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4577
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4578
	pci_clear_mwi(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4579
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4580
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4581
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4582
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4583
	struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4584
	return pcix_get_mmrbc(adapter->pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4585
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4586
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4587
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4588
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4589
	struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4590
	pcix_set_mmrbc(adapter->pdev, mmrbc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4591
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4592
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4593
s32 e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4594
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4595
    struct e1000_adapter *adapter = hw->back;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4596
    u16 cap_offset;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4597
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4598
    cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4599
    if (!cap_offset)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4600
        return -E1000_ERR_CONFIG;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4601
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4602
    pci_read_config_word(adapter->pdev, cap_offset + reg, value);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4603
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4604
    return E1000_SUCCESS;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4605
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4606
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4607
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4608
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4609
	outl(value, port);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4610
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4611
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4612
static void e1000_vlan_rx_register(struct net_device *netdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4613
				   struct vlan_group *grp)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4614
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4615
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4616
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4617
	u32 ctrl, rctl;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4618
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4619
	if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4620
		e1000_irq_disable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4621
	adapter->vlgrp = grp;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4622
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4623
	if (grp) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4624
		/* enable VLAN tag insert/strip */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4625
		ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4626
		ctrl |= E1000_CTRL_VME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4627
		ew32(CTRL, ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4628
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4629
		if (adapter->hw.mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4630
			/* enable VLAN receive filtering */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4631
			rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4632
			rctl &= ~E1000_RCTL_CFIEN;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4633
			ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4634
			e1000_update_mng_vlan(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4635
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4636
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4637
		/* disable VLAN tag insert/strip */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4638
		ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4639
		ctrl &= ~E1000_CTRL_VME;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4640
		ew32(CTRL, ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4641
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4642
		if (adapter->hw.mac_type != e1000_ich8lan) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4643
			if (adapter->mng_vlan_id !=
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4644
			    (u16)E1000_MNG_VLAN_NONE) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4645
				e1000_vlan_rx_kill_vid(netdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4646
				                       adapter->mng_vlan_id);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4647
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4648
			}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4649
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4650
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4651
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4652
	if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4653
		e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4654
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4655
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4656
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4657
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4658
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4659
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4660
	u32 vfta, index;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4661
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4662
	if ((hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4663
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4664
	    (vid == adapter->mng_vlan_id))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4665
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4666
	/* add VID to filter table */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4667
	index = (vid >> 5) & 0x7F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4668
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4669
	vfta |= (1 << (vid & 0x1F));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4670
	e1000_write_vfta(hw, index, vfta);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4671
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4672
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4673
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4674
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4675
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4676
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4677
	u32 vfta, index;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4678
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4679
	if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4680
		e1000_irq_disable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4681
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4682
	if (!test_bit(__E1000_DOWN, &adapter->flags))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4683
		e1000_irq_enable(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4684
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4685
	if ((hw->mng_cookie.status &
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4686
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4687
	    (vid == adapter->mng_vlan_id)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4688
		/* release control to f/w */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4689
		e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4690
		return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4691
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4692
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4693
	/* remove VID from filter table */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4694
	index = (vid >> 5) & 0x7F;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4695
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4696
	vfta &= ~(1 << (vid & 0x1F));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4697
	e1000_write_vfta(hw, index, vfta);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4698
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4699
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4700
static void e1000_restore_vlan(struct e1000_adapter *adapter)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4701
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4702
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4703
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4704
	if (adapter->vlgrp) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4705
		u16 vid;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4706
		for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4707
			if (!vlan_group_get_device(adapter->vlgrp, vid))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4708
				continue;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4709
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4710
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4711
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4712
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4713
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4714
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4715
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4716
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4717
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4718
	hw->autoneg = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4719
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4720
	/* Fiber NICs only allow 1000 gbps Full duplex */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4721
	if ((hw->media_type == e1000_media_type_fiber) &&
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4722
		spddplx != (SPEED_1000 + DUPLEX_FULL)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4723
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4724
		return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4725
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4726
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4727
	switch (spddplx) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4728
	case SPEED_10 + DUPLEX_HALF:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4729
		hw->forced_speed_duplex = e1000_10_half;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4730
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4731
	case SPEED_10 + DUPLEX_FULL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4732
		hw->forced_speed_duplex = e1000_10_full;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4733
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4734
	case SPEED_100 + DUPLEX_HALF:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4735
		hw->forced_speed_duplex = e1000_100_half;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4736
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4737
	case SPEED_100 + DUPLEX_FULL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4738
		hw->forced_speed_duplex = e1000_100_full;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4739
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4740
	case SPEED_1000 + DUPLEX_FULL:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4741
		hw->autoneg = 1;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4742
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4743
		break;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4744
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4745
	default:
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4746
		DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4747
		return -EINVAL;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4748
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4749
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4750
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4751
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4752
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4753
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4754
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4755
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4756
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4757
	u32 ctrl, ctrl_ext, rctl, status;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4758
	u32 wufc = adapter->wol;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4759
#ifdef CONFIG_PM
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4760
	int retval = 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4761
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4762
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4763
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4764
		return -EBUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4765
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4766
	netif_device_detach(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4767
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4768
	if (netif_running(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4769
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4770
		e1000_down(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4771
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4772
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4773
#ifdef CONFIG_PM
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4774
	retval = pci_save_state(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4775
	if (retval)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4776
		return retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4777
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4778
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4779
	status = er32(STATUS);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4780
	if (status & E1000_STATUS_LU)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4781
		wufc &= ~E1000_WUFC_LNKC;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4782
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4783
	if (wufc) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4784
		e1000_setup_rctl(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4785
		e1000_set_rx_mode(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4786
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4787
		/* turn on all-multi mode if wake on multicast is enabled */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4788
		if (wufc & E1000_WUFC_MC) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4789
			rctl = er32(RCTL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4790
			rctl |= E1000_RCTL_MPE;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4791
			ew32(RCTL, rctl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4792
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4793
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4794
		if (hw->mac_type >= e1000_82540) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4795
			ctrl = er32(CTRL);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4796
			/* advertise wake from D3Cold */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4797
			#define E1000_CTRL_ADVD3WUC 0x00100000
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4798
			/* phy power management enable */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4799
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4800
			ctrl |= E1000_CTRL_ADVD3WUC |
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4801
				E1000_CTRL_EN_PHY_PWR_MGMT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4802
			ew32(CTRL, ctrl);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4803
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4804
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4805
		if (hw->media_type == e1000_media_type_fiber ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4806
		   hw->media_type == e1000_media_type_internal_serdes) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4807
			/* keep the laser running in D3 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4808
			ctrl_ext = er32(CTRL_EXT);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4809
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4810
			ew32(CTRL_EXT, ctrl_ext);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4811
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4812
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4813
		/* Allow time for pending master requests to run */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4814
		e1000_disable_pciex_master(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4815
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4816
		ew32(WUC, E1000_WUC_PME_EN);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4817
		ew32(WUFC, wufc);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4818
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4819
		ew32(WUC, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4820
		ew32(WUFC, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4821
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4822
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4823
	e1000_release_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4824
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4825
	*enable_wake = !!wufc;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4826
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4827
	/* make sure adapter isn't asleep if manageability is enabled */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4828
	if (adapter->en_mng_pt)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4829
		*enable_wake = true;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4830
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4831
	if (hw->phy_type == e1000_phy_igp_3)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4832
		e1000_phy_powerdown_workaround(hw);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4833
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4834
	if (netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4835
		e1000_free_irq(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4836
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4837
	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4838
	 * would have already happened in close and is redundant. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4839
	e1000_release_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4840
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4841
	pci_disable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4842
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4843
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4844
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4845
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4846
#ifdef CONFIG_PM
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4847
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4848
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4849
	int retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4850
	bool wake;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4851
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4852
	retval = __e1000_shutdown(pdev, &wake);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4853
	if (retval)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4854
		return retval;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4855
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4856
	if (wake) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4857
		pci_prepare_to_sleep(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4858
	} else {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4859
		pci_wake_from_d3(pdev, false);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4860
		pci_set_power_state(pdev, PCI_D3hot);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4861
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4862
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4863
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4864
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4865
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4866
static int e1000_resume(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4867
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4868
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4869
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4870
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4871
	u32 err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4872
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4873
	if (adapter->ecdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4874
		return -EBUSY;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4875
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4876
	pci_set_power_state(pdev, PCI_D0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4877
	pci_restore_state(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4878
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4879
	if (adapter->need_ioport)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4880
		err = pci_enable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4881
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4882
		err = pci_enable_device_mem(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4883
	if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4884
		printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4885
		return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4886
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4887
	pci_set_master(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4888
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4889
	pci_enable_wake(pdev, PCI_D3hot, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4890
	pci_enable_wake(pdev, PCI_D3cold, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4891
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4892
	if (netif_running(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4893
		err = e1000_request_irq(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4894
		if (err)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4895
			return err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4896
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4897
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4898
	e1000_power_up_phy(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4899
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4900
	ew32(WUS, ~0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4901
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4902
	e1000_init_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4903
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4904
	if (netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4905
		e1000_up(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4906
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4907
	if (!adapter->ecdev) netif_device_attach(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4908
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4909
	/* If the controller is 82573 and f/w is AMT, do not set
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4910
	 * DRV_LOAD until the interface is up.  For all other cases,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4911
	 * let the f/w know that the h/w is now under the control
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4912
	 * of the driver. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4913
	if (hw->mac_type != e1000_82573 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4914
	    !e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4915
		e1000_get_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4916
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4917
	return 0;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4918
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4919
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4920
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4921
static void e1000_shutdown(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4922
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4923
	bool wake;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4924
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4925
	__e1000_shutdown(pdev, &wake);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4926
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4927
	if (system_state == SYSTEM_POWER_OFF) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4928
		pci_wake_from_d3(pdev, wake);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4929
		pci_set_power_state(pdev, PCI_D3hot);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4930
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4931
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4932
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4933
#ifdef CONFIG_NET_POLL_CONTROLLER
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4934
/*
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4935
 * Polling 'interrupt' - used by things like netconsole to send skbs
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4936
 * without having to re-enable interrupts. It's not called while
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4937
 * the interrupt routine is executing.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4938
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4939
static void e1000_netpoll(struct net_device *netdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4940
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4941
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4942
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4943
	disable_irq(adapter->pdev->irq);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4944
	e1000_intr(adapter->pdev->irq, netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4945
	enable_irq(adapter->pdev->irq);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4946
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4947
#endif
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4948
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4949
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4950
 * e1000_io_error_detected - called when PCI error is detected
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4951
 * @pdev: Pointer to PCI device
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4952
 * @state: The current pci conneection state
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4953
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4954
 * This function is called after a PCI bus error affecting
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4955
 * this device has been detected.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4956
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4957
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4958
						pci_channel_state_t state)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4959
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4960
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4961
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4962
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4963
	netif_device_detach(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4964
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4965
	if (state == pci_channel_io_perm_failure)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4966
		return PCI_ERS_RESULT_DISCONNECT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4967
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4968
	if (netif_running(netdev))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4969
		e1000_down(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4970
	pci_disable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4971
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4972
	/* Request a slot slot reset. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4973
	return PCI_ERS_RESULT_NEED_RESET;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4974
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4975
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4976
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4977
 * e1000_io_slot_reset - called after the pci bus has been reset.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4978
 * @pdev: Pointer to PCI device
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4979
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4980
 * Restart the card from scratch, as if from a cold-boot. Implementation
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4981
 * resembles the first-half of the e1000_resume routine.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4982
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4983
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4984
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4985
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4986
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4987
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4988
	int err;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4989
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4990
	if (adapter->need_ioport)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4991
		err = pci_enable_device(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4992
	else
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4993
		err = pci_enable_device_mem(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4994
	if (err) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4995
		printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4996
		return PCI_ERS_RESULT_DISCONNECT;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4997
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4998
	pci_set_master(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  4999
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5000
	pci_enable_wake(pdev, PCI_D3hot, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5001
	pci_enable_wake(pdev, PCI_D3cold, 0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5002
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5003
	e1000_reset(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5004
	ew32(WUS, ~0);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5005
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5006
	return PCI_ERS_RESULT_RECOVERED;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5007
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5008
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5009
/**
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5010
 * e1000_io_resume - called when traffic can start flowing again.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5011
 * @pdev: Pointer to PCI device
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5012
 *
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5013
 * This callback is called when the error recovery driver tells us that
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5014
 * its OK to resume normal operation. Implementation resembles the
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5015
 * second-half of the e1000_resume routine.
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5016
 */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5017
static void e1000_io_resume(struct pci_dev *pdev)
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5018
{
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5019
	struct net_device *netdev = pci_get_drvdata(pdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5020
	struct e1000_adapter *adapter = netdev_priv(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5021
	struct e1000_hw *hw = &adapter->hw;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5022
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5023
	e1000_init_manageability(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5024
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5025
	if (netif_running(netdev)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5026
		if (e1000_up(adapter)) {
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5027
			printk("e1000: can't bring device back up after reset\n");
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5028
			return;
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5029
		}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5030
	}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5031
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5032
	netif_device_attach(netdev);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5033
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5034
	/* If the controller is 82573 and f/w is AMT, do not set
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5035
	 * DRV_LOAD until the interface is up.  For all other cases,
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5036
	 * let the f/w know that the h/w is now under the control
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5037
	 * of the driver. */
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5038
	if (hw->mac_type != e1000_82573 ||
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5039
	    !e1000_check_mng_mode(hw))
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5040
		e1000_get_hw_control(adapter);
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5041
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5042
}
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5043
190791fd47d2 Added e1000 port for 2.6.31
Christoph Mathys <ch1010832@ch10pc602>
parents:
diff changeset
  5044
/* e1000_main.c */