devices/e1000/e1000_main-3.0-ethercat.c
author Florian Pose <fp@igh-essen.com>
Tue, 04 Dec 2012 13:28:38 +0100
branchstable-1.5
changeset 2461 d2c48550acd0
parent 2386 6742f8751872
child 2469 634ba3b1eb95
child 2589 2b9c78543663
permissions -rw-r--r--
Removed unnecessary ec_master_sdo_request_t.
2386
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     1
/*******************************************************************************
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     2
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     3
  Intel PRO/1000 Linux driver
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     4
  Copyright(c) 1999 - 2006 Intel Corporation.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     5
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     6
  This program is free software; you can redistribute it and/or modify it
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     7
  under the terms and conditions of the GNU General Public License,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     8
  version 2, as published by the Free Software Foundation.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     9
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    10
  This program is distributed in the hope it will be useful, but WITHOUT
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    11
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    12
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    13
  more details.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    14
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    15
  You should have received a copy of the GNU General Public License along with
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    16
  this program; if not, write to the Free Software Foundation, Inc.,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    17
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    18
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    19
  The full GNU General Public License is included in this distribution in
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    20
  the file called "COPYING".
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    21
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    22
  Contact Information:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    23
  Linux NICS <linux.nics@intel.com>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    24
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    25
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    26
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    27
  vim: noexpandtab
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    28
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    29
*******************************************************************************/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    30
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    31
#include "e1000-3.0-ethercat.h"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    32
#include <net/ip6_checksum.h>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    33
#include <linux/io.h>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    34
#include <linux/prefetch.h>
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    35
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    36
/* Intel Media SOC GbE MDIO physical base address */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    37
static unsigned long ce4100_gbe_mdio_base_phy;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    38
/* Intel Media SOC GbE MDIO virtual base address */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    39
void __iomem *ce4100_gbe_mdio_base_virt;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    40
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    41
char e1000_driver_name[] = "ec_e1000";
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    42
static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    43
#define DRV_VERSION "7.3.21-k8-NAPI"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    44
const char e1000_driver_version[] = DRV_VERSION;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    45
static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    46
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    47
/* e1000_pci_tbl - PCI Device ID Table
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    48
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    49
 * Last entry must be all 0s
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    50
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    51
 * Macro expands to...
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    52
 *   {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    53
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    54
static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    55
	INTEL_E1000_ETHERNET_DEVICE(0x1000),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    56
	INTEL_E1000_ETHERNET_DEVICE(0x1001),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    57
	INTEL_E1000_ETHERNET_DEVICE(0x1004),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    58
	INTEL_E1000_ETHERNET_DEVICE(0x1008),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    59
	INTEL_E1000_ETHERNET_DEVICE(0x1009),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    60
	INTEL_E1000_ETHERNET_DEVICE(0x100C),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    61
	INTEL_E1000_ETHERNET_DEVICE(0x100D),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    62
	INTEL_E1000_ETHERNET_DEVICE(0x100E),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    63
	INTEL_E1000_ETHERNET_DEVICE(0x100F),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    64
	INTEL_E1000_ETHERNET_DEVICE(0x1010),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    65
	INTEL_E1000_ETHERNET_DEVICE(0x1011),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    66
	INTEL_E1000_ETHERNET_DEVICE(0x1012),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    67
	INTEL_E1000_ETHERNET_DEVICE(0x1013),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    68
	INTEL_E1000_ETHERNET_DEVICE(0x1014),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    69
	INTEL_E1000_ETHERNET_DEVICE(0x1015),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    70
	INTEL_E1000_ETHERNET_DEVICE(0x1016),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    71
	INTEL_E1000_ETHERNET_DEVICE(0x1017),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    72
	INTEL_E1000_ETHERNET_DEVICE(0x1018),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    73
	INTEL_E1000_ETHERNET_DEVICE(0x1019),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    74
	INTEL_E1000_ETHERNET_DEVICE(0x101A),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    75
	INTEL_E1000_ETHERNET_DEVICE(0x101D),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    76
	INTEL_E1000_ETHERNET_DEVICE(0x101E),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    77
	INTEL_E1000_ETHERNET_DEVICE(0x1026),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    78
	INTEL_E1000_ETHERNET_DEVICE(0x1027),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    79
	INTEL_E1000_ETHERNET_DEVICE(0x1028),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    80
	INTEL_E1000_ETHERNET_DEVICE(0x1075),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    81
	INTEL_E1000_ETHERNET_DEVICE(0x1076),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    82
	INTEL_E1000_ETHERNET_DEVICE(0x1077),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    83
	INTEL_E1000_ETHERNET_DEVICE(0x1078),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    84
	INTEL_E1000_ETHERNET_DEVICE(0x1079),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    85
	INTEL_E1000_ETHERNET_DEVICE(0x107A),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    86
	INTEL_E1000_ETHERNET_DEVICE(0x107B),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    87
	INTEL_E1000_ETHERNET_DEVICE(0x107C),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    88
	INTEL_E1000_ETHERNET_DEVICE(0x108A),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    89
	INTEL_E1000_ETHERNET_DEVICE(0x1099),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    90
	INTEL_E1000_ETHERNET_DEVICE(0x10B5),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    91
	INTEL_E1000_ETHERNET_DEVICE(0x2E6E),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    92
	/* required last entry */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    93
	{0,}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    94
};
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    95
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    96
// do not auto-load driver
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    97
// MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    98
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    99
int e1000_up(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   100
void e1000_down(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   101
void e1000_reinit_locked(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   102
void e1000_reset(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   103
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   104
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   105
void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   106
void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   107
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   108
                             struct e1000_tx_ring *txdr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   109
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   110
                             struct e1000_rx_ring *rxdr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   111
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   112
                             struct e1000_tx_ring *tx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   113
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   114
                             struct e1000_rx_ring *rx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   115
void e1000_update_stats(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   116
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   117
static int e1000_init_module(void);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   118
static void e1000_exit_module(void);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   119
static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   120
static void __devexit e1000_remove(struct pci_dev *pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   121
static int e1000_alloc_queues(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   122
static int e1000_sw_init(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   123
static int e1000_open(struct net_device *netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   124
static int e1000_close(struct net_device *netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   125
static void e1000_configure_tx(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   126
static void e1000_configure_rx(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   127
static void e1000_setup_rctl(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   128
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   129
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   130
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   131
                                struct e1000_tx_ring *tx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   132
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   133
                                struct e1000_rx_ring *rx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   134
static void e1000_set_rx_mode(struct net_device *netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   135
static void e1000_update_phy_info(unsigned long data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   136
static void e1000_update_phy_info_task(struct work_struct *work);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   137
static void e1000_watchdog(unsigned long data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   138
static void e1000_82547_tx_fifo_stall(unsigned long data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   139
static void e1000_82547_tx_fifo_stall_task(struct work_struct *work);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   140
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   141
				    struct net_device *netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   142
static struct net_device_stats * e1000_get_stats(struct net_device *netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   143
static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   144
static int e1000_set_mac(struct net_device *netdev, void *p);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   145
void ec_poll(struct net_device *);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   146
static irqreturn_t e1000_intr(int irq, void *data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   147
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   148
			       struct e1000_tx_ring *tx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   149
static int e1000_clean(struct napi_struct *napi, int budget);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   150
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   151
			       struct e1000_rx_ring *rx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   152
			       int *work_done, int work_to_do);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   153
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   154
				     struct e1000_rx_ring *rx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   155
				     int *work_done, int work_to_do);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   156
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   157
				   struct e1000_rx_ring *rx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   158
				   int cleaned_count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   159
static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   160
					 struct e1000_rx_ring *rx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   161
					 int cleaned_count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   162
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   163
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   164
			   int cmd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   165
static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   166
static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   167
static void e1000_tx_timeout(struct net_device *dev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   168
static void e1000_reset_task(struct work_struct *work);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   169
static void e1000_smartspeed(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   170
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   171
                                       struct sk_buff *skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   172
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   173
static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   174
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   175
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   176
static void e1000_restore_vlan(struct e1000_adapter *adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   177
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   178
#ifdef CONFIG_PM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   179
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   180
static int e1000_resume(struct pci_dev *pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   181
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   182
static void e1000_shutdown(struct pci_dev *pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   184
#ifdef CONFIG_NET_POLL_CONTROLLER
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   185
/* for netdump / net console */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
static void e1000_netpoll (struct net_device *netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
#define COPYBREAK_DEFAULT 256
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
module_param(copybreak, uint, 0644);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
MODULE_PARM_DESC(copybreak,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
	"Maximum size of packet that is copied to a new buffer on receive");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
                     pci_channel_state_t state);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
static void e1000_io_resume(struct pci_dev *pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
static struct pci_error_handlers e1000_err_handler = {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
	.error_detected = e1000_io_error_detected,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
	.slot_reset = e1000_io_slot_reset,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
	.resume = e1000_io_resume,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
};
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
static struct pci_driver e1000_driver = {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
	.name     = e1000_driver_name,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
	.id_table = e1000_pci_tbl,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
	.probe    = e1000_probe,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
	.remove   = __devexit_p(e1000_remove),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
#ifdef CONFIG_PM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
	/* Power Management Hooks */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
	.suspend  = e1000_suspend,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
	.resume   = e1000_resume,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
	.shutdown = e1000_shutdown,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
	.err_handler = &e1000_err_handler
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
};
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
MODULE_DESCRIPTION("EtherCAT-capable Intel(R) PRO/1000 Network Driver");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
MODULE_LICENSE("GPL");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
MODULE_VERSION(DRV_VERSION);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
module_param(debug, int, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
 * e1000_get_hw_dev - return device
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
 * used by hardware layer to print debugging information
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
struct net_device *e1000_get_hw_dev(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
	struct e1000_adapter *adapter = hw->back;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
	return adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
 * e1000_init_module - Driver Registration Routine
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
 * e1000_init_module is the first routine called when the driver is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
 * loaded. All it does is register with the PCI subsystem.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
static int __init e1000_init_module(void)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
	int ret;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
	pr_info("%s - version %s\n", e1000_driver_string, e1000_driver_version);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
	pr_info("%s\n", e1000_copyright);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
	ret = pci_register_driver(&e1000_driver);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
	if (copybreak != COPYBREAK_DEFAULT) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
		if (copybreak == 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
			pr_info("copybreak disabled\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
			pr_info("copybreak enabled for "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
				   "packets <= %u bytes\n", copybreak);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	return ret;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
module_init(e1000_init_module);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
 * e1000_exit_module - Driver Exit Cleanup Routine
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
 * e1000_exit_module is called just before the driver is removed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
 * from memory.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
static void __exit e1000_exit_module(void)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
	pci_unregister_driver(&e1000_driver);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
module_exit(e1000_exit_module);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
static int e1000_request_irq(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
	irq_handler_t handler = e1000_intr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
	int irq_flags = IRQF_SHARED;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
	int err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
		return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
	                  netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
	if (err) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
		e_err(probe, "Unable to allocate interrupt Error: %d\n", err);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
	return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
static void e1000_free_irq(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
	free_irq(adapter->pdev->irq, netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
 * e1000_irq_disable - Mask off interrupt generation on the NIC
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
static void e1000_irq_disable(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
	ew32(IMC, ~0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
	synchronize_irq(adapter->pdev->irq);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
 * e1000_irq_enable - Enable default interrupt generation settings
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
static void e1000_irq_enable(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
	ew32(IMS, IMS_ENABLE_MASK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
	u16 vid = hw->mng_cookie.vlan_id;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
	u16 old_vid = adapter->mng_vlan_id;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
	if (adapter->vlgrp) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
		if (!vlan_group_get_device(adapter->vlgrp, vid)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
			if (hw->mng_cookie.status &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
				e1000_vlan_rx_add_vid(netdev, vid);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
				adapter->mng_vlan_id = vid;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
			} else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
					(vid != old_vid) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
			    !vlan_group_get_device(adapter->vlgrp, old_vid))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
				e1000_vlan_rx_kill_vid(netdev, old_vid);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
		} else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
			adapter->mng_vlan_id = vid;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
static void e1000_init_manageability(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
	if (adapter->en_mng_pt) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
		u32 manc = er32(MANC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
		/* disable hardware interception of ARP */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
		manc &= ~(E1000_MANC_ARP_EN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
		ew32(MANC, manc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
static void e1000_release_manageability(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
	if (adapter->en_mng_pt) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
		u32 manc = er32(MANC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
		/* re-enable hardware interception of ARP */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
		manc |= E1000_MANC_ARP_EN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
		ew32(MANC, manc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
 * e1000_configure - configure the hardware for RX and TX
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
 * @adapter = private board structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
static void e1000_configure(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
	int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
	e1000_set_rx_mode(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	e1000_restore_vlan(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	e1000_init_manageability(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	e1000_configure_tx(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	e1000_setup_rctl(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	e1000_configure_rx(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	/* call E1000_DESC_UNUSED which always leaves
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	 * at least 1 descriptor unused to make sure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	 * next_to_use != next_to_clean */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	for (i = 0; i < adapter->num_rx_queues; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
		struct e1000_rx_ring *ring = &adapter->rx_ring[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
		if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
			/* fill rx ring completely! */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
			adapter->alloc_rx_buf(adapter, ring, ring->count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
			/* this one leaves the last ring element unallocated! */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
			adapter->alloc_rx_buf(adapter, ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
					E1000_DESC_UNUSED(ring));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
int e1000_up(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
	/* hardware has been reset, we need to reload some things */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	e1000_configure(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	clear_bit(__E1000_DOWN, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
		napi_enable(&adapter->napi);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
		e1000_irq_enable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
		netif_wake_queue(adapter->netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
		/* fire a link change interrupt to start the watchdog */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
		ew32(ICS, E1000_ICS_LSC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
 * e1000_power_up_phy - restore link in case the phy was powered down
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
 * @adapter: address of board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
 * The phy may be powered down to save power and turn off link when the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
 * driver is unloaded and wake on lan is not enabled (among others)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
 * *** this routine MUST be followed by a call to e1000_reset ***
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
void e1000_power_up_phy(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	u16 mii_reg = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
	/* Just clear the power down bit to wake the phy back up */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	if (hw->media_type == e1000_media_type_copper) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
		/* according to the manual, the phy will retain its
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
		 * settings across a power-down/up cycle */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
		mii_reg &= ~MII_CR_POWER_DOWN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
static void e1000_power_down_phy(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	/* Power down the PHY so no link is implied when interface is down *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	 * The PHY cannot be powered down if any of the following is true *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	 * (a) WoL is enabled
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	 * (b) AMT is active
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	 * (c) SoL/IDER session is active */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	if (!adapter->wol && hw->mac_type >= e1000_82540 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	   hw->media_type == e1000_media_type_copper) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
		u16 mii_reg = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
		case e1000_82540:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		case e1000_82545:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		case e1000_82545_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		case e1000_82546:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		case e1000_ce4100:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		case e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
		case e1000_82547:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
		case e1000_82547_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
			if (er32(MANC) & E1000_MANC_SMBUS_EN)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
				goto out;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
		default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
			goto out;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
		mii_reg |= MII_CR_POWER_DOWN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		e1000_write_phy_reg(hw, PHY_CTRL, mii_reg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
		mdelay(1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
out:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
void e1000_down(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	u32 rctl, tctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	/* disable receives in the hardware */	
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
		/* flush and sleep below */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
		netif_tx_disable(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	/* disable transmits in the hardware */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
	tctl = er32(TCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
	tctl &= ~E1000_TCTL_EN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	ew32(TCTL, tctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	/* flush both disables and wait for them to finish */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	msleep(10);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
		napi_disable(&adapter->napi);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
		e1000_irq_disable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	 * Setting DOWN must be after irq_disable to prevent
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	 * a screaming interrupt.  Setting DOWN also prevents
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
	 * timers and tasks from rescheduling.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
	set_bit(__E1000_DOWN, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
		del_timer_sync(&adapter->tx_fifo_stall_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
		del_timer_sync(&adapter->watchdog_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
		del_timer_sync(&adapter->phy_info_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	adapter->link_speed = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
	adapter->link_duplex = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
		netif_carrier_off(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	e1000_clean_all_tx_rings(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	e1000_clean_all_rx_rings(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
static void e1000_reinit_safe(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
		msleep(1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	rtnl_lock();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	e1000_down(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	e1000_up(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	rtnl_unlock();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	clear_bit(__E1000_RESETTING, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
void e1000_reinit_locked(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	/* if rtnl_lock is not held the call path is bogus */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	ASSERT_RTNL();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	WARN_ON(in_interrupt());
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		msleep(1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	e1000_down(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	e1000_up(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	clear_bit(__E1000_RESETTING, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
void e1000_reset(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	u32 pba = 0, tx_space, min_tx_space, min_rx_space;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	bool legacy_pba_adjust = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	u16 hwm;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	/* Repartition Pba for greater than 9k mtu
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	 * To take effect CTRL.RST is required.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	case e1000_82543:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	case e1000_82540:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
		legacy_pba_adjust = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
		pba = E1000_PBA_48K;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	case e1000_82545:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	case e1000_82545_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	case e1000_82546:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	case e1000_ce4100:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	case e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
		pba = E1000_PBA_48K;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	case e1000_82547:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	case e1000_82547_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
		legacy_pba_adjust = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		pba = E1000_PBA_30K;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	case e1000_undefined:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	case e1000_num_macs:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
	if (legacy_pba_adjust) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
		if (hw->max_frame_size > E1000_RXBUFFER_8192)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
			pba -= 8; /* allocate more FIFO for Tx */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
		if (hw->mac_type == e1000_82547) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
			adapter->tx_fifo_head = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
			adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
			adapter->tx_fifo_size =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
				(E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
			atomic_set(&adapter->tx_fifo_stall, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	} else if (hw->max_frame_size >  ETH_FRAME_LEN + ETH_FCS_LEN) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		/* adjust PBA for jumbo frames */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		ew32(PBA, pba);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
		/* To maintain wire speed transmits, the Tx FIFO should be
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
		 * large enough to accommodate two full transmit packets,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
		 * the Rx FIFO should be large enough to accommodate at least
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
		 * one full receive packet and is similarly rounded up and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
		 * expressed in KB. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
		pba = er32(PBA);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
		/* upper 16 bits has Tx packet buffer allocation size in KB */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
		tx_space = pba >> 16;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
		/* lower 16 bits has Rx packet buffer allocation size in KB */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
		pba &= 0xffff;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
		 * the tx fifo also stores 16 bytes of information about the tx
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
		 * but don't include ethernet FCS because hardware appends it
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
		min_tx_space = (hw->max_frame_size +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
		                sizeof(struct e1000_tx_desc) -
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
		                ETH_FCS_LEN) * 2;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
		min_tx_space = ALIGN(min_tx_space, 1024);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		min_tx_space >>= 10;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
		/* software strips receive CRC, so leave room for it */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
		min_rx_space = hw->max_frame_size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
		min_rx_space = ALIGN(min_rx_space, 1024);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
		min_rx_space >>= 10;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
		/* If current Tx allocation is less than the min Tx FIFO size,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		 * and the min Tx FIFO size is less than the current Rx FIFO
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		 * allocation, take space away from current Rx allocation */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
		if (tx_space < min_tx_space &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
		    ((min_tx_space - tx_space) < pba)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
			pba = pba - (min_tx_space - tx_space);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
			/* PCI/PCIx hardware has PBA alignment constraints */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
			switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
			case e1000_82545 ... e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
				pba &= ~(E1000_PBA_8K - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
			default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
			/* if short on rx space, rx wins and must trump tx
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
			 * adjustment or use Early Receive if available */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
			if (pba < min_rx_space)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
				pba = min_rx_space;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	ew32(PBA, pba);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
	 * flow control settings:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	 * The high water mark must be low enough to fit one full frame
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
	 * (or the size used for early receive) above it in the Rx FIFO.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
	 * Set it to the lower of:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
	 * - 90% of the Rx FIFO size, and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
	 * - the full Rx FIFO size minus the early receive size (for parts
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
	 * - the full Rx FIFO size minus one full frame
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
	hwm = min(((pba << 10) * 9 / 10),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
		  ((pba << 10) - hw->max_frame_size));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	hw->fc_high_water = hwm & 0xFFF8;	/* 8-byte granularity */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	hw->fc_low_water = hw->fc_high_water - 8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	hw->fc_pause_time = E1000_FC_PAUSE_TIME;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	hw->fc_send_xon = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
	hw->fc = hw->original_fc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	/* Allow time for pending master requests to run */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	e1000_reset_hw(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	if (hw->mac_type >= e1000_82544)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
		ew32(WUC, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
	if (e1000_init_hw(hw))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
		e_dev_err("Hardware Error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	e1000_update_mng_vlan(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	if (hw->mac_type >= e1000_82544 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	    hw->autoneg == 1 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	    hw->autoneg_advertised == ADVERTISE_1000_FULL) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
		u32 ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
		/* clear phy power management bit if we are in gig only mode,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		 * which if enabled will attempt negotiation to 100Mb, which
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		 * can cause a loss of link at power off or driver unload */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
		ctrl &= ~E1000_CTRL_SWDPIN3;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
		ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	ew32(VET, ETHERNET_IEEE_VLAN_TYPE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	e1000_reset_adaptive(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	e1000_phy_get_info(hw, &adapter->phy_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	e1000_release_manageability(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
 *  Dump the eeprom for users having checksum issues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
static void e1000_dump_eeprom(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	struct ethtool_eeprom eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	const struct ethtool_ops *ops = netdev->ethtool_ops;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	u8 *data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	u16 csum_old, csum_new = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	eeprom.len = ops->get_eeprom_len(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	eeprom.offset = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	data = kmalloc(eeprom.len, GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
	if (!data) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
		pr_err("Unable to allocate memory to dump EEPROM data\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	ops->get_eeprom(netdev, &eeprom, data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	csum_old = (data[EEPROM_CHECKSUM_REG * 2]) +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
		   (data[EEPROM_CHECKSUM_REG * 2 + 1] << 8);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
	for (i = 0; i < EEPROM_CHECKSUM_REG * 2; i += 2)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
		csum_new += data[i] + (data[i + 1] << 8);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	csum_new = EEPROM_SUM - csum_new;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	pr_err("/*********************/\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	pr_err("Current EEPROM Checksum : 0x%04x\n", csum_old);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	pr_err("Calculated              : 0x%04x\n", csum_new);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
	pr_err("Offset    Values\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
	pr_err("========  ======\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
	print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
	pr_err("Include this output when contacting your support provider.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
	pr_err("This is not a software error! Something bad happened to\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
	pr_err("your hardware or EEPROM image. Ignoring this problem could\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
	pr_err("result in further problems, possibly loss of data,\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
	pr_err("corruption or system hangs!\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
	pr_err("The MAC Address will be reset to 00:00:00:00:00:00,\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	pr_err("which is invalid and requires you to set the proper MAC\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	pr_err("address manually before continuing to enable this network\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	pr_err("device. Please inspect the EEPROM dump and report the\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	pr_err("issue to your hardware vendor or Intel Customer Support.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	pr_err("/*********************/\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	kfree(data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
 * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
 * @pdev: PCI device information struct
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
 * Return true if an adapter needs ioport resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
static int e1000_is_need_ioport(struct pci_dev *pdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
	switch (pdev->device) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
	case E1000_DEV_ID_82540EM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
	case E1000_DEV_ID_82540EM_LOM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
	case E1000_DEV_ID_82540EP:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
	case E1000_DEV_ID_82540EP_LOM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
	case E1000_DEV_ID_82540EP_LP:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
	case E1000_DEV_ID_82541EI:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
	case E1000_DEV_ID_82541EI_MOBILE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
	case E1000_DEV_ID_82541ER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
	case E1000_DEV_ID_82541ER_LOM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
	case E1000_DEV_ID_82541GI:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
	case E1000_DEV_ID_82541GI_LF:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
	case E1000_DEV_ID_82541GI_MOBILE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
	case E1000_DEV_ID_82544EI_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
	case E1000_DEV_ID_82544EI_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
	case E1000_DEV_ID_82544GC_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
	case E1000_DEV_ID_82544GC_LOM:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
	case E1000_DEV_ID_82545EM_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
	case E1000_DEV_ID_82545EM_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
	case E1000_DEV_ID_82546EB_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
	case E1000_DEV_ID_82546EB_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
		return true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
		return false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
static const struct net_device_ops e1000_netdev_ops = {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
	.ndo_open		= e1000_open,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
	.ndo_stop		= e1000_close,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
	.ndo_start_xmit		= e1000_xmit_frame,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	.ndo_get_stats		= e1000_get_stats,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
	.ndo_set_rx_mode	= e1000_set_rx_mode,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	.ndo_set_mac_address	= e1000_set_mac,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
	.ndo_tx_timeout 	= e1000_tx_timeout,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
	.ndo_change_mtu		= e1000_change_mtu,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
	.ndo_do_ioctl		= e1000_ioctl,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
	.ndo_validate_addr	= eth_validate_addr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
#ifdef CONFIG_NET_POLL_CONTROLLER
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
	.ndo_poll_controller	= e1000_netpoll,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
};
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
 * e1000_init_hw_struct - initialize members of hw struct
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
 * @adapter: board private struct
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
 * @hw: structure used by e1000_hw.c
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
 * Factors out initialization of the e1000_hw struct to its own function
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
 * that can be called very early at init (just after struct allocation).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
 * Fields are initialized based on PCI device information and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
 * OS network device settings (MTU size).
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
 * Returns negative error codes if MAC type setup fails.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
static int e1000_init_hw_struct(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
				struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	/* PCI config space info */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	hw->vendor_id = pdev->vendor;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	hw->device_id = pdev->device;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
	hw->subsystem_id = pdev->subsystem_device;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	hw->revision_id = pdev->revision;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	hw->max_frame_size = adapter->netdev->mtu +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
			     ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	/* identify the MAC */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	if (e1000_set_mac_type(hw)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		e_err(probe, "Unknown MAC Type\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
		return -EIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
	case e1000_82541:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	case e1000_82547:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
	case e1000_82541_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	case e1000_82547_rev_2:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		hw->phy_init_script = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	e1000_set_media_type(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	e1000_get_bus_info(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	hw->wait_autoneg_complete = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	hw->tbi_compatibility_en = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	hw->adaptive_ifs = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	/* Copper options */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	if (hw->media_type == e1000_media_type_copper) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
		hw->mdix = AUTO_ALL_MODES;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
		hw->disable_polarity_correction = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
		hw->master_slave = E1000_MASTER_SLAVE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
 * e1000_probe - Device Initialization Routine
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
 * @pdev: PCI device information struct
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
 * @ent: entry in e1000_pci_tbl
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
 * Returns 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
 * e1000_probe initializes an adapter identified by a pci_dev structure.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
 * The OS initialization, configuring of the adapter private structure,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
 * and a hardware reset occur.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
static int __devinit e1000_probe(struct pci_dev *pdev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
				 const struct pci_device_id *ent)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	struct net_device *netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	struct e1000_adapter *adapter;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	struct e1000_hw *hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	static int cards_found = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	static int global_quad_port_a = 0; /* global ksp3 port a indication */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	int i, err, pci_using_dac;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	u16 eeprom_data = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	u16 tmp = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	int bars, need_ioport;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	/* do not allocate ioport bars when not needed */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	need_ioport = e1000_is_need_ioport(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	if (need_ioport) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
		bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
		err = pci_enable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
		bars = pci_select_bars(pdev, IORESOURCE_MEM);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
		err = pci_enable_device_mem(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
		return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
		goto err_pci_reg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	pci_set_master(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	err = pci_save_state(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
		goto err_alloc_etherdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	err = -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	if (!netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
		goto err_alloc_etherdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	SET_NETDEV_DEV(netdev, &pdev->dev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
	pci_set_drvdata(pdev, netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	adapter->netdev = netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	adapter->pdev = pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	adapter->msg_enable = (1 << debug) - 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	adapter->bars = bars;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	adapter->need_ioport = need_ioport;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
	hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	hw->back = adapter;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
	err = -EIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	hw->hw_addr = pci_ioremap_bar(pdev, BAR_0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	if (!hw->hw_addr)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
		goto err_ioremap;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	if (adapter->need_ioport) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
		for (i = BAR_1; i <= BAR_5; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
			if (pci_resource_len(pdev, i) == 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
				continue;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
			if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
				hw->io_base = pci_resource_start(pdev, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	/* make ready for any if (hw->...) below */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	err = e1000_init_hw_struct(adapter, hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
		goto err_sw_init;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
	 * there is a workaround being applied below that limits
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
	 * 64-bit DMA addresses to 64-bit hardware.  There are some
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
	 * 32-bit adapters that Tx hang when given 64-bit DMA addresses
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	pci_using_dac = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	if ((hw->bus_type == e1000_bus_type_pcix) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
	    !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
		 * according to DMA-API-HOWTO, coherent calls will always
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
		 * succeed if the set call did
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
		dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		pci_using_dac = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
		if (err) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
			pr_err("No usable DMA config, aborting\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
			goto err_dma;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
		dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	netdev->netdev_ops = &e1000_netdev_ops;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	e1000_set_ethtool_ops(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
	netdev->watchdog_timeo = 5 * HZ;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	adapter->bd_number = cards_found;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	/* setup the private structure */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	err = e1000_sw_init(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
		goto err_sw_init;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	err = -EIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	if (hw->mac_type == e1000_ce4100) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
		ce4100_gbe_mdio_base_phy = pci_resource_start(pdev, BAR_1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		ce4100_gbe_mdio_base_virt = ioremap(ce4100_gbe_mdio_base_phy,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
		                                pci_resource_len(pdev, BAR_1));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		if (!ce4100_gbe_mdio_base_virt)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
			goto err_mdio_ioremap;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
	if (hw->mac_type >= e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		netdev->features = NETIF_F_SG |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
				   NETIF_F_HW_CSUM |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
				   NETIF_F_HW_VLAN_TX |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
				   NETIF_F_HW_VLAN_RX |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
				   NETIF_F_HW_VLAN_FILTER;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	if ((hw->mac_type >= e1000_82544) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	   (hw->mac_type != e1000_82547))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		netdev->features |= NETIF_F_TSO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	if (pci_using_dac) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
		netdev->features |= NETIF_F_HIGHDMA;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
		netdev->vlan_features |= NETIF_F_HIGHDMA;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	netdev->vlan_features |= NETIF_F_TSO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	netdev->vlan_features |= NETIF_F_HW_CSUM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	netdev->vlan_features |= NETIF_F_SG;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	/* initialize eeprom parameters */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	if (e1000_init_eeprom_params(hw)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
		e_err(probe, "EEPROM initialization failed\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
		goto err_eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	/* before reading the EEPROM, reset the controller to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	 * put the device in a known good starting state */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	e1000_reset_hw(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	/* make sure the EEPROM is good */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	if (e1000_validate_eeprom_checksum(hw) < 0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		e_err(probe, "The EEPROM Checksum Is Not Valid\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
		e1000_dump_eeprom(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
		 * set MAC address to all zeroes to invalidate and temporary
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
		 * disable this device for the user. This blocks regular
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		 * traffic while still permitting ethtool ioctls from reaching
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
		 * the hardware as well as allowing the user to run the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
		 * interface after manually setting a hw addr using
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
		 * `ip set address`
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
		memset(hw->mac_addr, 0, netdev->addr_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		/* copy the MAC address out of the EEPROM */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		if (e1000_read_mac_addr(hw))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
			e_err(probe, "EEPROM Read Error\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	/* don't block initalization here due to bad MAC address */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	if (!is_valid_ether_addr(netdev->perm_addr))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
		e_err(probe, "Invalid MAC Address\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	init_timer(&adapter->tx_fifo_stall_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	adapter->tx_fifo_stall_timer.function = e1000_82547_tx_fifo_stall;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	adapter->tx_fifo_stall_timer.data = (unsigned long)adapter;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	init_timer(&adapter->watchdog_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
	adapter->watchdog_timer.function = e1000_watchdog;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	adapter->watchdog_timer.data = (unsigned long) adapter;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
	init_timer(&adapter->phy_info_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
	adapter->phy_info_timer.function = e1000_update_phy_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
	adapter->phy_info_timer.data = (unsigned long)adapter;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
	INIT_WORK(&adapter->fifo_stall_task, e1000_82547_tx_fifo_stall_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
	INIT_WORK(&adapter->phy_info_task, e1000_update_phy_info_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	e1000_check_options(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
	/* Initial Wake on LAN setting
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	 * If APM wake is enabled in the EEPROM,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
	 * enable the ACPI Magic Packet filter
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
	case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
	case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
	case e1000_82543:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
	case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		e1000_read_eeprom(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
			EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		eeprom_apme_mask = E1000_EEPROM_82544_APM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
	case e1000_82546:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
	case e1000_82546_rev_3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
		if (er32(STATUS) & E1000_STATUS_FUNC_1){
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
			e1000_read_eeprom(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
				EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		/* Fall Through */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		e1000_read_eeprom(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
			EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
	if (eeprom_data & eeprom_apme_mask)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		adapter->eeprom_wol |= E1000_WUFC_MAG;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
	/* now that we have the eeprom settings, apply the special cases
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
	 * where the eeprom may be wrong or the board simply won't support
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	 * wake on lan on a particular port */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
	switch (pdev->device) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	case E1000_DEV_ID_82546GB_PCIE:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		adapter->eeprom_wol = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
	case E1000_DEV_ID_82546EB_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	case E1000_DEV_ID_82546GB_FIBER:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
		/* Wake events only supported on port A for dual fiber
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
		 * regardless of eeprom setting */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
		if (er32(STATUS) & E1000_STATUS_FUNC_1)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
			adapter->eeprom_wol = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
		/* if quad port adapter, disable WoL on all but port A */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
		if (global_quad_port_a != 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
			adapter->eeprom_wol = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
			adapter->quad_port_a = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		/* Reset for multiple quad port adapters */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
		if (++global_quad_port_a == 4)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
			global_quad_port_a = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	/* initialize the wol settings based on the eeprom settings */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
	adapter->wol = adapter->eeprom_wol;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
	/* Auto detect PHY address */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
	if (hw->mac_type == e1000_ce4100) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
		for (i = 0; i < 32; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
			hw->phy_addr = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
			e1000_read_phy_reg(hw, PHY_ID2, &tmp);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
			if (tmp == 0 || tmp == 0xFF) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
				if (i == 31)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
					goto err_eeprom;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
				continue;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
			} else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
	/* reset the hardware with the new settings */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
	e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
 	// offer device to EtherCAT master module
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
		if (ecdev_open(adapter->ecdev)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
			ecdev_withdraw(adapter->ecdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
			goto err_register;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
		strcpy(netdev->name, "eth%d");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		err = register_netdev(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
			goto err_register;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
	/* print bus type/speed/width info */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
	e_info(probe, "(PCI%s:%dMHz:%d-bit) %pM\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	       ((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	       ((hw->bus_speed == e1000_bus_speed_133) ? 133 :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		(hw->bus_speed == e1000_bus_speed_120) ? 120 :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
		(hw->bus_speed == e1000_bus_speed_100) ? 100 :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
		(hw->bus_speed == e1000_bus_speed_66) ? 66 : 33),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
	       ((hw->bus_width == e1000_bus_width_64) ? 64 : 32),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	       netdev->dev_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
		/* carrier off reporting is important to ethtool even BEFORE open */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
		netif_carrier_off(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
	e_info(probe, "Intel(R) PRO/1000 Network Connection\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
	cards_found++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
err_register:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
err_eeprom:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	e1000_phy_hw_reset(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	if (hw->flash_address)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
		iounmap(hw->flash_address);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	kfree(adapter->tx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	kfree(adapter->rx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
err_dma:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
err_sw_init:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
err_mdio_ioremap:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	iounmap(ce4100_gbe_mdio_base_virt);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	iounmap(hw->hw_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
err_ioremap:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	free_netdev(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
err_alloc_etherdev:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	pci_release_selected_regions(pdev, bars);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
err_pci_reg:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	pci_disable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
	return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
 * e1000_remove - Device Removal Routine
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
 * @pdev: PCI device information struct
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
 * e1000_remove is called by the PCI subsystem to alert the driver
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
 * that it should release a PCI device.  The could be caused by a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
 * Hot-Plug event, or because the driver is going to be removed from
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
 * memory.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
static void __devexit e1000_remove(struct pci_dev *pdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	struct net_device *netdev = pci_get_drvdata(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	set_bit(__E1000_DOWN, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
		del_timer_sync(&adapter->tx_fifo_stall_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
		del_timer_sync(&adapter->watchdog_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
		del_timer_sync(&adapter->phy_info_timer);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	cancel_work_sync(&adapter->reset_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	e1000_release_manageability(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
		ecdev_close(adapter->ecdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
		ecdev_withdraw(adapter->ecdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
		unregister_netdev(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	e1000_phy_hw_reset(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	kfree(adapter->tx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
	kfree(adapter->rx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	iounmap(hw->hw_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
	if (hw->flash_address)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
		iounmap(hw->flash_address);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
	pci_release_selected_regions(pdev, adapter->bars);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	free_netdev(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	pci_disable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
 * @adapter: board private structure to initialize
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
 * e1000_sw_init initializes the Adapter private data structure.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
 * e1000_init_hw_struct MUST be called before this function
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
	adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	adapter->num_tx_queues = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	adapter->num_rx_queues = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	if (e1000_alloc_queues(adapter)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
		e_err(probe, "Unable to allocate memory for queues\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	/* Explicitly disable IRQ since the NIC can be in any state. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
	e1000_irq_disable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
	spin_lock_init(&adapter->stats_lock);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
	set_bit(__E1000_DOWN, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
 * e1000_alloc_queues - Allocate memory for all rings
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
 * @adapter: board private structure to initialize
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
 * We allocate one ring per queue at run-time since we don't know the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
 * number of queues at compile-time.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
	adapter->tx_ring = kcalloc(adapter->num_tx_queues,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	                           sizeof(struct e1000_tx_ring), GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
	if (!adapter->tx_ring)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	adapter->rx_ring = kcalloc(adapter->num_rx_queues,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	                           sizeof(struct e1000_rx_ring), GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
	if (!adapter->rx_ring) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
		kfree(adapter->tx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
 * e1000_open - Called when a network interface is made active
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
 * Returns 0 on success, negative value on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
 * The open entry point is called when a network interface is made
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
 * active by the system (IFF_UP).  At this point all resources needed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
 * for transmit and receive operations are allocated, the interrupt
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
 * handler is registered with the OS, the watchdog timer is started,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
 * and the stack is notified that the interface is ready.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
static int e1000_open(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	int err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
	/* disallow open during test */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	if (test_bit(__E1000_TESTING, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
		return -EBUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
	netif_carrier_off(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
	/* allocate transmit descriptors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
	err = e1000_setup_all_tx_resources(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
		goto err_setup_tx;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	/* allocate receive descriptors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	err = e1000_setup_all_rx_resources(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
		goto err_setup_rx;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	e1000_power_up_phy(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	if ((hw->mng_cookie.status &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
		e1000_update_mng_vlan(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	/* before we allocate an interrupt, we must be ready to handle it.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	 * as soon as we call pci_request_irq, so we have to setup our
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	 * clean_rx handler before we do so.  */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	e1000_configure(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	err = e1000_request_irq(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
		goto err_req_irq;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
	/* From here on the code is the same as e1000_up() */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	clear_bit(__E1000_DOWN, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
	napi_enable(&adapter->napi);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	e1000_irq_enable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	netif_start_queue(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
	/* fire a link status change interrupt to start the watchdog */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
	ew32(ICS, E1000_ICS_LSC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
err_req_irq:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	e1000_power_down_phy(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	e1000_free_all_rx_resources(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
err_setup_rx:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	e1000_free_all_tx_resources(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
err_setup_tx:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
	e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
 * e1000_close - Disables a network interface
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
 * Returns 0, this is not allowed to fail
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
 * The close entry point is called when an interface is de-activated
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
 * by the OS.  The hardware is still under the drivers control, but
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
 * needs to be disabled.  A global MAC reset is issued to stop the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
 * hardware, and all transmit and receive resources are freed.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
static int e1000_close(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
	e1000_down(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	e1000_power_down_phy(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	e1000_free_irq(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	e1000_free_all_tx_resources(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	e1000_free_all_rx_resources(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
	/* kill manageability vlan ID if supported, but not if a vlan with
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	 * the same ID is registered on the host OS (let 8021q kill it) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	if ((hw->mng_cookie.status &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
	     !(adapter->vlgrp &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
 * e1000_check_64k_bound - check that memory doesn't cross 64kB boundary
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
 * @adapter: address of board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
 * @start: address of beginning of memory
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
 * @len: length of memory
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
				  unsigned long len)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
	unsigned long begin = (unsigned long)start;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	unsigned long end = begin + len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
	/* First rev 82545 and 82546 need to not allow any memory
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
	 * write location to cross 64k boundary due to errata 23 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
	if (hw->mac_type == e1000_82545 ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	    hw->mac_type == e1000_ce4100 ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
	    hw->mac_type == e1000_82546) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
		return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
	return true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
 * e1000_setup_tx_resources - allocate Tx resources (Descriptors)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
 * @txdr:    tx descriptor ring (for a specific queue) to setup
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
 * Return 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
				    struct e1000_tx_ring *txdr)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
	int size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
	size = sizeof(struct e1000_buffer) * txdr->count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	txdr->buffer_info = vzalloc(size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
	if (!txdr->buffer_info) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
		e_err(probe, "Unable to allocate memory for the Tx descriptor "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
		      "ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
	/* round up to nearest 4K */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
	txdr->size = ALIGN(txdr->size, 4096);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
	txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
					GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	if (!txdr->desc) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
setup_tx_desc_die:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
		vfree(txdr->buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
		e_err(probe, "Unable to allocate memory for the Tx descriptor "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
		      "ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
	/* Fix for errata 23, can't cross 64kB boundary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
	if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		void *olddesc = txdr->desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
		dma_addr_t olddma = txdr->dma;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
		e_err(tx_err, "txdr align check failed: %u bytes at %p\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		      txdr->size, txdr->desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
		/* Try again, without freeing the previous */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
						&txdr->dma, GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
		/* Failed allocation, critical failure */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
		if (!txdr->desc) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
					  olddma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
			goto setup_tx_desc_die;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
			/* give up */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
			dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
					  txdr->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
					  olddma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
			e_err(probe, "Unable to allocate aligned memory "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
			      "for the transmit descriptor ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
			vfree(txdr->buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
			return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
			/* Free old allocation, new allocation was successful */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
			dma_free_coherent(&pdev->dev, txdr->size, olddesc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
					  olddma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	memset(txdr->desc, 0, txdr->size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
	txdr->next_to_use = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
	txdr->next_to_clean = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
 * e1000_setup_all_tx_resources - wrapper to allocate Tx resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
 * 				  (Descriptors) for all queues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
 * Return 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
	int i, err = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	for (i = 0; i < adapter->num_tx_queues; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
		err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		if (err) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
			e_err(probe, "Allocation for Tx Queue %u failed\n", i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
			for (i-- ; i >= 0; i--)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
				e1000_free_tx_resources(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
							&adapter->tx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
 * Configure the Tx unit of the MAC after a reset.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
static void e1000_configure_tx(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
	u64 tdba;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
	u32 tdlen, tctl, tipg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
	u32 ipgr1, ipgr2;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
	/* Setup the HW Tx Head and Tail descriptor pointers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
	switch (adapter->num_tx_queues) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
	case 1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
		tdba = adapter->tx_ring[0].dma;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
		tdlen = adapter->tx_ring[0].count *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
			sizeof(struct e1000_tx_desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		ew32(TDLEN, tdlen);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		ew32(TDBAH, (tdba >> 32));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
		ew32(TDBAL, (tdba & 0x00000000ffffffffULL));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
		ew32(TDT, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
		ew32(TDH, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
		adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	/* Set the default values for the Tx Inter Packet Gap timer */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
	if ((hw->media_type == e1000_media_type_fiber ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	     hw->media_type == e1000_media_type_internal_serdes))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
		tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
		tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
	case e1000_82542_rev2_0:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
	case e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		tipg = DEFAULT_82542_TIPG_IPGT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
		ipgr1 = DEFAULT_82542_TIPG_IPGR1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		ipgr2 = DEFAULT_82542_TIPG_IPGR2;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
		ipgr1 = DEFAULT_82543_TIPG_IPGR1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
		ipgr2 = DEFAULT_82543_TIPG_IPGR2;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	ew32(TIPG, tipg);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	/* Set the Tx Interrupt Delay register */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
	ew32(TIDV, adapter->tx_int_delay);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
	if (hw->mac_type >= e1000_82540)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
		ew32(TADV, adapter->tx_abs_int_delay);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
	/* Program the Transmit Control Register */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	tctl = er32(TCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
	tctl &= ~E1000_TCTL_CT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
	e1000_config_collision_dist(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
	/* Setup Transmit Descriptor Settings for eop descriptor */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	/* only set IDE if we are delaying interrupts using the timers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
	if (adapter->tx_int_delay)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	if (hw->mac_type < e1000_82543)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
		adapter->txd_cmd |= E1000_TXD_CMD_RPS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
		adapter->txd_cmd |= E1000_TXD_CMD_RS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
	/* Cache if we're 82544 running in PCI-X because we'll
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	 * need this to apply a workaround later in the send path. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	if (hw->mac_type == e1000_82544 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	    hw->bus_type == e1000_bus_type_pcix)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
		adapter->pcix_82544 = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	ew32(TCTL, tctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
 * e1000_setup_rx_resources - allocate Rx resources (Descriptors)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
 * @rxdr:    rx descriptor ring (for a specific queue) to setup
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
 * Returns 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
				    struct e1000_rx_ring *rxdr)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	int size, desc_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	size = sizeof(struct e1000_buffer) * rxdr->count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	rxdr->buffer_info = vzalloc(size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	if (!rxdr->buffer_info) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
		e_err(probe, "Unable to allocate memory for the Rx descriptor "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		      "ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
	desc_len = sizeof(struct e1000_rx_desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
	/* Round up to nearest 4K */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	rxdr->size = rxdr->count * desc_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
	rxdr->size = ALIGN(rxdr->size, 4096);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
					GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	if (!rxdr->desc) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
		e_err(probe, "Unable to allocate memory for the Rx descriptor "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
		      "ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
setup_rx_desc_die:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
		vfree(rxdr->buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
		return -ENOMEM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
	/* Fix for errata 23, can't cross 64kB boundary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
	if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
		void *olddesc = rxdr->desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
		dma_addr_t olddma = rxdr->dma;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
		e_err(rx_err, "rxdr align check failed: %u bytes at %p\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
		      rxdr->size, rxdr->desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
		/* Try again, without freeing the previous */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
		rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
						&rxdr->dma, GFP_KERNEL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
		/* Failed allocation, critical failure */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
		if (!rxdr->desc) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
					  olddma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
			e_err(probe, "Unable to allocate memory for the Rx "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
			      "descriptor ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
			goto setup_rx_desc_die;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
		if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
			/* give up */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
			dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
					  rxdr->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
					  olddma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
			e_err(probe, "Unable to allocate aligned memory for "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
			      "the Rx descriptor ring\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
			goto setup_rx_desc_die;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
			/* Free old allocation, new allocation was successful */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
			dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
					  olddma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	memset(rxdr->desc, 0, rxdr->size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	rxdr->next_to_clean = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	rxdr->next_to_use = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
	rxdr->rx_skb_top = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
 * e1000_setup_all_rx_resources - wrapper to allocate Rx resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
 * 				  (Descriptors) for all queues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
 * Return 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	int i, err = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	for (i = 0; i < adapter->num_rx_queues; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
		if (err) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
			e_err(probe, "Allocation for Rx Queue %u failed\n", i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
			for (i-- ; i >= 0; i--)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
				e1000_free_rx_resources(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
							&adapter->rx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
 * e1000_setup_rctl - configure the receive control registers
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
 * @adapter: Board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
static void e1000_setup_rctl(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
	u32 rctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
		(hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
	if (hw->tbi_compatibility_on == 1)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
		rctl |= E1000_RCTL_SBP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
		rctl &= ~E1000_RCTL_SBP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
		rctl &= ~E1000_RCTL_LPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
		rctl |= E1000_RCTL_LPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	/* Setup buffer sizes */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	rctl &= ~E1000_RCTL_SZ_4096;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	rctl |= E1000_RCTL_BSEX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
	switch (adapter->rx_buffer_len) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
		case E1000_RXBUFFER_2048:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
		default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
			rctl |= E1000_RCTL_SZ_2048;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
			rctl &= ~E1000_RCTL_BSEX;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
		case E1000_RXBUFFER_4096:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
			rctl |= E1000_RCTL_SZ_4096;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
		case E1000_RXBUFFER_8192:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
			rctl |= E1000_RCTL_SZ_8192;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
		case E1000_RXBUFFER_16384:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
			rctl |= E1000_RCTL_SZ_16384;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
 * e1000_configure_rx - Configure 8254x Receive Unit after Reset
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
 * Configure the Rx unit of the MAC after a reset.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
static void e1000_configure_rx(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	u64 rdba;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	u32 rdlen, rctl, rxcsum;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	if (adapter->netdev->mtu > ETH_DATA_LEN) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
		rdlen = adapter->rx_ring[0].count *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
		        sizeof(struct e1000_rx_desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
		rdlen = adapter->rx_ring[0].count *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
		        sizeof(struct e1000_rx_desc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		adapter->clean_rx = e1000_clean_rx_irq;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
	/* disable receives while setting up the descriptors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
	rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	/* set the Receive Delay Timer Register */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	ew32(RDTR, adapter->rx_int_delay);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	if (hw->mac_type >= e1000_82540) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
		ew32(RADV, adapter->rx_abs_int_delay);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		if (adapter->itr_setting != 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
			ew32(ITR, 1000000000 / (adapter->itr * 256));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
	/* Setup the HW Rx Head and Tail Descriptor Pointers and
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
	 * the Base and Length of the Rx Descriptor Ring */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	switch (adapter->num_rx_queues) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	case 1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
		rdba = adapter->rx_ring[0].dma;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
		ew32(RDLEN, rdlen);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
		ew32(RDBAH, (rdba >> 32));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
		ew32(RDBAL, (rdba & 0x00000000ffffffffULL));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
		ew32(RDT, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
		ew32(RDH, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
		adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
		adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	/* Enable 82543 Receive Checksum Offload for TCP and UDP */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
	if (hw->mac_type >= e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
		rxcsum = er32(RXCSUM);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
		if (adapter->rx_csum)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
			rxcsum |= E1000_RXCSUM_TUOFL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
			/* don't need to clear IPPCSE as it defaults to 0 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
			rxcsum &= ~E1000_RXCSUM_TUOFL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
		ew32(RXCSUM, rxcsum);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	/* Enable Receives */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
	ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
 * e1000_free_tx_resources - Free Tx Resources per Queue
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
 * @tx_ring: Tx descriptor ring for a specific queue
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
 * Free all transmit software resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
static void e1000_free_tx_resources(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
				    struct e1000_tx_ring *tx_ring)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
	e1000_clean_tx_ring(adapter, tx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	vfree(tx_ring->buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	tx_ring->buffer_info = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
			  tx_ring->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
	tx_ring->desc = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
 * e1000_free_all_tx_resources - Free Tx Resources for All Queues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
 * Free all transmit software resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
void e1000_free_all_tx_resources(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
	int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
	for (i = 0; i < adapter->num_tx_queues; i++)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
		e1000_free_tx_resources(adapter, &adapter->tx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
					     struct e1000_buffer *buffer_info)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
	if (buffer_info->dma) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
		if (buffer_info->mapped_as_page)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
				       buffer_info->length, DMA_TO_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
					 buffer_info->length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
					 DMA_TO_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
		buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	if (buffer_info->skb) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		dev_kfree_skb_any(buffer_info->skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
		buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
	buffer_info->time_stamp = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	/* buffer_info must be completely set up in the transmit path */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
 * e1000_clean_tx_ring - Free Tx Buffers
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
 * @tx_ring: ring to be cleaned
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
				struct e1000_tx_ring *tx_ring)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	unsigned long size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	/* Free all the Tx ring sk_buffs */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	for (i = 0; i < tx_ring->count; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
	size = sizeof(struct e1000_buffer) * tx_ring->count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
	memset(tx_ring->buffer_info, 0, size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
	/* Zero out the descriptor ring */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
	memset(tx_ring->desc, 0, tx_ring->size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
	tx_ring->next_to_use = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
	tx_ring->next_to_clean = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	tx_ring->last_tx_tso = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
	writel(0, hw->hw_addr + tx_ring->tdh);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
	writel(0, hw->hw_addr + tx_ring->tdt);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
 * e1000_clean_all_tx_rings - Free Tx Buffers for all queues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
	int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	for (i = 0; i < adapter->num_tx_queues; i++)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
		e1000_clean_tx_ring(adapter, &adapter->tx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
 * e1000_free_rx_resources - Free Rx Resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
 * @rx_ring: ring to clean the resources from
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
 * Free all receive software resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
static void e1000_free_rx_resources(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
				    struct e1000_rx_ring *rx_ring)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
	e1000_clean_rx_ring(adapter, rx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	vfree(rx_ring->buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
	rx_ring->buffer_info = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
			  rx_ring->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
	rx_ring->desc = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
 * e1000_free_all_rx_resources - Free Rx Resources for All Queues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
 * Free all receive software resources
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
void e1000_free_all_rx_resources(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
	for (i = 0; i < adapter->num_rx_queues; i++)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
		e1000_free_rx_resources(adapter, &adapter->rx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
 * @rx_ring: ring to free buffers from
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
				struct e1000_rx_ring *rx_ring)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	unsigned long size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
	/* Free all the Rx ring sk_buffs */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
	for (i = 0; i < rx_ring->count; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
		buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
		if (buffer_info->dma &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
		    adapter->clean_rx == e1000_clean_rx_irq) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
			dma_unmap_single(&pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
			                 buffer_info->length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
					 DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
		} else if (buffer_info->dma &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
		           adapter->clean_rx == e1000_clean_jumbo_rx_irq) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
			dma_unmap_page(&pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
				       buffer_info->length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
				       DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
		buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
		if (buffer_info->page) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
			put_page(buffer_info->page);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
			buffer_info->page = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
		if (buffer_info->skb) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
			dev_kfree_skb(buffer_info->skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
			buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
	/* there also may be some cached data from a chained receive */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
	if (rx_ring->rx_skb_top) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
		dev_kfree_skb(rx_ring->rx_skb_top);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
		rx_ring->rx_skb_top = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	size = sizeof(struct e1000_buffer) * rx_ring->count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	memset(rx_ring->buffer_info, 0, size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	/* Zero out the descriptor ring */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
	memset(rx_ring->desc, 0, rx_ring->size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
	rx_ring->next_to_clean = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	rx_ring->next_to_use = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	writel(0, hw->hw_addr + rx_ring->rdh);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
	writel(0, hw->hw_addr + rx_ring->rdt);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
 * e1000_clean_all_rx_rings - Free Rx Buffers for all queues
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
	for (i = 0; i < adapter->num_rx_queues; i++)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
		e1000_clean_rx_ring(adapter, &adapter->rx_ring[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
/* The 82542 2.0 (revision 2) needs to have the receive unit in reset
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
 * and memory write and invalidate disabled for certain operations
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
static void e1000_enter_82542_rst(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	u32 rctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	e1000_pci_clear_mwi(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	rctl |= E1000_RCTL_RST;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	mdelay(5);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	if (!adapter->ecdev && netif_running(netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
		e1000_clean_all_rx_rings(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
static void e1000_leave_82542_rst(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	u32 rctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	rctl &= ~E1000_RCTL_RST;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	mdelay(5);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
		e1000_pci_set_mwi(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	if (!adapter->netdev && netif_running(netdev)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
		/* No need to loop, because 82542 supports only 1 queue */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
		e1000_configure_rx(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
		if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
			/* fill rx ring completely! */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
			adapter->alloc_rx_buf(adapter, ring, ring->count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
			/* this one leaves the last ring element unallocated! */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
			adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
 * e1000_set_mac - Change the Ethernet Address of the NIC
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
 * @p: pointer to an address structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
 * Returns 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
static int e1000_set_mac(struct net_device *netdev, void *p)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	struct sockaddr *addr = p;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	if (!is_valid_ether_addr(addr->sa_data))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
		return -EADDRNOTAVAIL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	/* 82542 2.0 needs to be in reset to write receive address registers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
	if (hw->mac_type == e1000_82542_rev2_0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
		e1000_enter_82542_rst(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	e1000_rar_set(hw, hw->mac_addr, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	if (hw->mac_type == e1000_82542_rev2_0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
		e1000_leave_82542_rst(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
 * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
 * The set_rx_mode entry point is called whenever the unicast or multicast
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
 * address lists or the network interface flags are updated. This routine is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
 * responsible for configuring the hardware for proper unicast, multicast,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
 * promiscuous mode, and all-multi behavior.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
static void e1000_set_rx_mode(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	struct netdev_hw_addr *ha;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	bool use_uc = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	u32 rctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	u32 hash_value;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	int i, rar_entries = E1000_RAR_ENTRIES;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	int mta_reg_count = E1000_NUM_MTA_REGISTERS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	if (!mcarray) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
		e_err(probe, "memory allocation failed\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	/* Check for Promiscuous and All Multicast modes */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
	if (netdev->flags & IFF_PROMISC) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
		rctl &= ~E1000_RCTL_VFE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
		if (netdev->flags & IFF_ALLMULTI)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
			rctl |= E1000_RCTL_MPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
		else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
			rctl &= ~E1000_RCTL_MPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
		/* Enable VLAN filter if there is a VLAN */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
		if (adapter->vlgrp)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
			rctl |= E1000_RCTL_VFE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	if (netdev_uc_count(netdev) > rar_entries - 1) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
		rctl |= E1000_RCTL_UPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	} else if (!(netdev->flags & IFF_PROMISC)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
		rctl &= ~E1000_RCTL_UPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
		use_uc = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	/* 82542 2.0 needs to be in reset to write receive address registers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	if (hw->mac_type == e1000_82542_rev2_0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
		e1000_enter_82542_rst(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	/* load the first 14 addresses into the exact filters 1-14. Unicast
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
	 * addresses take precedence to avoid disabling unicast filtering
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	 * when possible.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
	 * RAR 0 is used for the station MAC address
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	 * if there are not 14 addresses, go ahead and clear the filters
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	i = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	if (use_uc)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
		netdev_for_each_uc_addr(ha, netdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
			if (i == rar_entries)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
			e1000_rar_set(hw, ha->addr, i++);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
	netdev_for_each_mc_addr(ha, netdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
		if (i == rar_entries) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
			/* load any remaining addresses into the hash table */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
			u32 hash_reg, hash_bit, mta;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
			hash_value = e1000_hash_mc_addr(hw, ha->addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
			hash_reg = (hash_value >> 5) & 0x7F;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
			hash_bit = hash_value & 0x1F;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
			mta = (1 << hash_bit);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
			mcarray[hash_reg] |= mta;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
			e1000_rar_set(hw, ha->addr, i++);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	for (; i < rar_entries; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
		E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
		E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	/* write the hash table completely, write from bottom to avoid
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	 * both stupid write combining chipsets, and flushing each write */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	for (i = mta_reg_count - 1; i >= 0 ; i--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
		 * If we are on an 82544 has an errata where writing odd
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
		 * offsets overwrites the previous even offset, but writing
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
		 * backwards over the range solves the issue by always
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
		 * writing the odd offset first
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
		E1000_WRITE_REG_ARRAY(hw, MTA, i, mcarray[i]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
	E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
	if (hw->mac_type == e1000_82542_rev2_0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
		e1000_leave_82542_rst(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	kfree(mcarray);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
/* Need to wait a few seconds after link up to get diagnostic information from
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
 * the phy */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
static void e1000_update_phy_info(unsigned long data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	schedule_work(&adapter->phy_info_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
static void e1000_update_phy_info_task(struct work_struct *work)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	struct e1000_adapter *adapter = container_of(work,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	                                             struct e1000_adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
	                                             phy_info_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
	rtnl_lock();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
	e1000_phy_get_info(hw, &adapter->phy_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	rtnl_unlock();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
 * e1000_82547_tx_fifo_stall - Timer Call-back
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
 * @data: pointer to adapter cast into an unsigned long
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
static void e1000_82547_tx_fifo_stall(unsigned long data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	schedule_work(&adapter->fifo_stall_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
 * e1000_82547_tx_fifo_stall_task - task to complete work
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
 * @work: work struct contained inside adapter struct
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
static void e1000_82547_tx_fifo_stall_task(struct work_struct *work)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
	struct e1000_adapter *adapter = container_of(work,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
	                                             struct e1000_adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
	                                             fifo_stall_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
	u32 tctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
	rtnl_lock();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
	if (atomic_read(&adapter->tx_fifo_stall)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		if ((er32(TDT) == er32(TDH)) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		   (er32(TDFT) == er32(TDFH)) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		   (er32(TDFTS) == er32(TDFHS))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
			tctl = er32(TCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
			ew32(TCTL, tctl & ~E1000_TCTL_EN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
			ew32(TDFT, adapter->tx_head_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
			ew32(TDFH, adapter->tx_head_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
			ew32(TDFTS, adapter->tx_head_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
			ew32(TDFHS, adapter->tx_head_addr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
			ew32(TCTL, tctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
			E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
			adapter->tx_fifo_head = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
			atomic_set(&adapter->tx_fifo_stall, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
			if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
				netif_wake_queue(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
		} else if (!test_bit(__E1000_DOWN, &adapter->flags)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
			if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
				mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	rtnl_unlock();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
bool e1000_has_link(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	bool link_active = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	/* get_link_status is set on LSC (link status) interrupt or
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	 * rx sequence error interrupt.  get_link_status will stay
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	 * false until the e1000_check_for_link establishes link
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	 * for copper adapters ONLY
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	switch (hw->media_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
	case e1000_media_type_copper:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
		if (hw->get_link_status) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
			e1000_check_for_link(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
			link_active = !hw->get_link_status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
			link_active = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	case e1000_media_type_fiber:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
		e1000_check_for_link(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
	case e1000_media_type_internal_serdes:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
		e1000_check_for_link(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
		link_active = hw->serdes_has_link;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
	return link_active;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
 * e1000_watchdog - Timer Call-back
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
 * @data: pointer to adapter cast into an unsigned long
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
static void e1000_watchdog(unsigned long data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	struct e1000_adapter *adapter = (struct e1000_adapter *)data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	struct e1000_tx_ring *txdr = adapter->tx_ring;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
	u32 link, tctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
	link = e1000_has_link(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
	if (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
		goto link_up;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
	if (link) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
			u32 ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
			bool txb2b __attribute__ ((unused)) = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
			/* update snapshot of PHY registers on LSC */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
			e1000_get_speed_and_duplex(hw,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
			                           &adapter->link_speed,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
			                           &adapter->link_duplex);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
			ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
			pr_info("%s NIC Link is Up %d Mbps %s, "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
				"Flow Control: %s\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
				netdev->name,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
				adapter->link_speed,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
				adapter->link_duplex == FULL_DUPLEX ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
				"Full Duplex" : "Half Duplex",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
				((ctrl & E1000_CTRL_TFCE) && (ctrl &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
				E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
				E1000_CTRL_RFCE) ? "RX" : ((ctrl &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
				E1000_CTRL_TFCE) ? "TX" : "None")));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
			/* adjust timeout factor according to speed/duplex */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
			adapter->tx_timeout_factor = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
			switch (adapter->link_speed) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
			case SPEED_10:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
				txb2b = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
				adapter->tx_timeout_factor = 16;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
			case SPEED_100:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
				txb2b = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
				/* maybe add some timeout factor ? */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
			/* enable transmits in the hardware */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
			tctl = er32(TCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
			tctl |= E1000_TCTL_EN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
			ew32(TCTL, tctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
			if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
				ecdev_set_link(adapter->ecdev, 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
				netif_carrier_on(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
				if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
					mod_timer(&adapter->phy_info_timer,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
							round_jiffies(jiffies + 2 * HZ));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
			adapter->smartspeed = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
			adapter->link_speed = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
			adapter->link_duplex = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
			pr_info("%s NIC Link is Down\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
				netdev->name);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
			if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
				ecdev_set_link(adapter->ecdev, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
				netif_carrier_off(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
				if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
					mod_timer(&adapter->phy_info_timer,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
							round_jiffies(jiffies + 2 * HZ));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
		e1000_smartspeed(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
link_up:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
	e1000_update_stats(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
	hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
	adapter->tpt_old = adapter->stats.tpt;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
	hw->collision_delta = adapter->stats.colc - adapter->colc_old;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
	adapter->colc_old = adapter->stats.colc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
	adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
	adapter->gorcl_old = adapter->stats.gorcl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
	adapter->gotcl_old = adapter->stats.gotcl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	e1000_update_adaptive(hw);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
			/* We've lost link, so the controller stops DMA,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
			 * but we've got queued Tx work that's never going
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
			 * to get done, so reset controller to flush Tx.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
			 * (Do the reset outside of interrupt context). */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
			adapter->tx_timeout_count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
			schedule_work(&adapter->reset_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
			/* return immediately since reset is imminent */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
			return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	/* Simple mode for Interrupt Throttle Rate (ITR) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
	if (hw->mac_type >= e1000_82540 && adapter->itr_setting == 4) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
		 * Symmetric Tx/Rx gets a reduced ITR=2000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
		 * Total asymmetrical Tx or Rx gets ITR=8000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
		 * everyone else is between 2000-8000.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
		u32 goc = (adapter->gotcl + adapter->gorcl) / 10000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
		u32 dif = (adapter->gotcl > adapter->gorcl ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
			    adapter->gotcl - adapter->gorcl :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
			    adapter->gorcl - adapter->gotcl) / 10000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
		ew32(ITR, 1000000000 / (itr * 256));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	/* Cause software interrupt to ensure rx ring is cleaned */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
	ew32(ICS, E1000_ICS_RXDMT0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
	/* Force detection of hung controller every watchdog period */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
		adapter->detect_tx_hung = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
	/* Reset the timer */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
		if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
			mod_timer(&adapter->watchdog_timer,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
			          round_jiffies(jiffies + 2 * HZ));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
enum latency_range {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
	lowest_latency = 0,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
	low_latency = 1,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
	bulk_latency = 2,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
	latency_invalid = 255
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
};
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
 * e1000_update_itr - update the dynamic ITR value based on statistics
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
 * @adapter: pointer to adapter
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
 * @itr_setting: current adapter->itr
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
 * @packets: the number of packets during this measurement interval
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
 * @bytes: the number of bytes during this measurement interval
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
 *      Stores a new ITR value based on packets and byte
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
 *      counts during the last interrupt.  The advantage of per interrupt
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
 *      computation is faster updates and more accurate ITR for the current
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
 *      traffic pattern.  Constants in this function were computed
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
 *      based on theoretical maximum wire speed and thresholds were set based
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
 *      on testing data as well as attempting to minimize response time
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
 *      while increasing bulk throughput.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
 *      this functionality is controlled by the InterruptThrottleRate module
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
 *      parameter (see e1000_param.c)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
				     u16 itr_setting, int packets, int bytes)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	unsigned int retval = itr_setting;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	if (unlikely(hw->mac_type < e1000_82540))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
		goto update_itr_done;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
	if (packets == 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
		goto update_itr_done;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
	switch (itr_setting) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	case lowest_latency:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
		/* jumbo frames get bulk treatment*/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
		if (bytes/packets > 8000)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
			retval = bulk_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
		else if ((packets < 5) && (bytes > 512))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
			retval = low_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
	case low_latency:  /* 50 usec aka 20000 ints/s */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
		if (bytes > 10000) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
			/* jumbo frames need bulk latency setting */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
			if (bytes/packets > 8000)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
				retval = bulk_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
			else if ((packets < 10) || ((bytes/packets) > 1200))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
				retval = bulk_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
			else if ((packets > 35))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
				retval = lowest_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
		} else if (bytes/packets > 2000)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
			retval = bulk_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
		else if (packets <= 2 && bytes < 512)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
			retval = lowest_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
	case bulk_latency: /* 250 usec aka 4000 ints/s */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
		if (bytes > 25000) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
			if (packets > 35)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
				retval = low_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
		} else if (bytes < 6000) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
			retval = low_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
update_itr_done:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
	return retval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
static void e1000_set_itr(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
	u16 current_itr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	u32 new_itr = adapter->itr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	if (unlikely(hw->mac_type < e1000_82540))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	if (unlikely(adapter->link_speed != SPEED_1000)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
		current_itr = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
		new_itr = 4000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
		goto set_itr_now;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	adapter->tx_itr = e1000_update_itr(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
	                            adapter->tx_itr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	                            adapter->total_tx_packets,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	                            adapter->total_tx_bytes);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
		adapter->tx_itr = low_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	adapter->rx_itr = e1000_update_itr(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
	                            adapter->rx_itr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	                            adapter->total_rx_packets,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
	                            adapter->total_rx_bytes);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
		adapter->rx_itr = low_latency;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
	switch (current_itr) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
	/* counts and packets in update_itr are dependent on these numbers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	case lowest_latency:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
		new_itr = 70000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
	case low_latency:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
		new_itr = 20000; /* aka hwitr = ~200 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
	case bulk_latency:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
		new_itr = 4000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
set_itr_now:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
	if (new_itr != adapter->itr) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
		/* this attempts to bias the interrupt rate towards Bulk
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
		 * by adding intermediate steps when interrupt rate is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
		 * increasing */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
		new_itr = new_itr > adapter->itr ?
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
		             min(adapter->itr + (new_itr >> 2), new_itr) :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
		             new_itr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
		adapter->itr = new_itr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
		ew32(ITR, 1000000000 / (new_itr * 256));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
#define E1000_TX_FLAGS_CSUM		0x00000001
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
#define E1000_TX_FLAGS_VLAN		0x00000002
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
#define E1000_TX_FLAGS_TSO		0x00000004
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
#define E1000_TX_FLAGS_IPV4		0x00000008
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
#define E1000_TX_FLAGS_VLAN_SHIFT	16
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
static int e1000_tso(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
		     struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
	struct e1000_context_desc *context_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	u32 cmd_length = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	u16 ipcse = 0, tucse, mss;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
	int err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	if (skb_is_gso(skb)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
		if (skb_header_cloned(skb)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
			if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
				return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
		mss = skb_shinfo(skb)->gso_size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
		if (skb->protocol == htons(ETH_P_IP)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
			struct iphdr *iph = ip_hdr(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
			iph->tot_len = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
			iph->check = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
								 iph->daddr, 0,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
								 IPPROTO_TCP,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
								 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
			cmd_length = E1000_TXD_CMD_IP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
			ipcse = skb_transport_offset(skb) - 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
		} else if (skb->protocol == htons(ETH_P_IPV6)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
			ipv6_hdr(skb)->payload_len = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
			tcp_hdr(skb)->check =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
						 &ipv6_hdr(skb)->daddr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
						 0, IPPROTO_TCP, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
			ipcse = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
		ipcss = skb_network_offset(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
		tucss = skb_transport_offset(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
		tucse = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
		i = tx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
		buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
		context_desc->upper_setup.tcp_fields.tucss = tucss;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
		context_desc->upper_setup.tcp_fields.tucso = tucso;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
		buffer_info->time_stamp = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		buffer_info->next_to_watch = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		if (++i == tx_ring->count) i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
		tx_ring->next_to_use = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
		return true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	return false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
static bool e1000_tx_csum(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
			  struct e1000_tx_ring *tx_ring, struct sk_buff *skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
	struct e1000_context_desc *context_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	u8 css;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	u32 cmd_len = E1000_TXD_CMD_DEXT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
	if (skb->ip_summed != CHECKSUM_PARTIAL)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
		return false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
	switch (skb->protocol) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
	case cpu_to_be16(ETH_P_IP):
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
			cmd_len |= E1000_TXD_CMD_TCP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
	case cpu_to_be16(ETH_P_IPV6):
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
		/* XXX not handling all IPV6 headers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
			cmd_len |= E1000_TXD_CMD_TCP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
		if (unlikely(net_ratelimit()))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
			e_warn(drv, "checksum_partial proto=%x!\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
			       skb->protocol);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
	css = skb_checksum_start_offset(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	i = tx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
	buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
	context_desc->lower_setup.ip_config = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
	context_desc->upper_setup.tcp_fields.tucss = css;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
	context_desc->upper_setup.tcp_fields.tucso =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
		css + skb->csum_offset;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	context_desc->upper_setup.tcp_fields.tucse = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
	context_desc->tcp_seg_setup.data = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	buffer_info->time_stamp = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	buffer_info->next_to_watch = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	if (unlikely(++i == tx_ring->count)) i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	tx_ring->next_to_use = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	return true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
#define E1000_MAX_TXD_PWR	12
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
#define E1000_MAX_DATA_PER_TXD	(1<<E1000_MAX_TXD_PWR)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
static int e1000_tx_map(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
			struct e1000_tx_ring *tx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
			struct sk_buff *skb, unsigned int first,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
			unsigned int max_per_txd, unsigned int nr_frags,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
			unsigned int mss)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	unsigned int len = skb_headlen(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	unsigned int offset = 0, size, count = 0, i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	unsigned int f;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	i = tx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
	while (len) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
		buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
		size = min(len, max_per_txd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		/* Workaround for Controller erratum --
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
		 * descriptor for non-tso packet in a linear SKB that follows a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
		 * tso gets written back prematurely before the data is fully
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
		 * DMA'd to the controller */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		if (!skb->data_len && tx_ring->last_tx_tso &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
		    !skb_is_gso(skb)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
			tx_ring->last_tx_tso = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
			size -= 4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
		/* Workaround for premature desc write-backs
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
		 * in TSO mode.  Append 4-byte sentinel desc */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
		if (unlikely(mss && !nr_frags && size == len && size > 8))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
			size -= 4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
		/* work-around for errata 10 and it applies
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
		 * to all controllers in PCI-X mode
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		 * The fix is to make sure that the first descriptor of a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		 * packet is smaller than 2048 - 16 - 16 (or 2016) bytes
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
		if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
		                (size > 2015) && count == 0))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		        size = 2015;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
		/* Workaround for potential 82544 hang in PCI-X.  Avoid
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
		 * terminating buffers within evenly-aligned dwords. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
		if (unlikely(adapter->pcix_82544 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
		   !((unsigned long)(skb->data + offset + size - 1) & 4) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
		   size > 4))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
			size -= 4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
		buffer_info->length = size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		/* set time_stamp *before* dma to help avoid a possible race */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
		buffer_info->time_stamp = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
		buffer_info->mapped_as_page = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
		buffer_info->dma = dma_map_single(&pdev->dev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
						  skb->data + offset,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
						  size,	DMA_TO_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
			goto dma_error;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
		buffer_info->next_to_watch = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		len -= size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
		offset += size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
		count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		if (len) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
			i++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
			if (unlikely(i == tx_ring->count))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
				i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
	for (f = 0; f < nr_frags; f++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		struct skb_frag_struct *frag;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
		frag = &skb_shinfo(skb)->frags[f];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
		len = frag->size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		offset = frag->page_offset;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		while (len) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
			i++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
			if (unlikely(i == tx_ring->count))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
				i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
			buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
			size = min(len, max_per_txd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
			/* Workaround for premature desc write-backs
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
			 * in TSO mode.  Append 4-byte sentinel desc */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
			if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
				size -= 4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
			/* Workaround for potential 82544 hang in PCI-X.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
			 * Avoid terminating buffers within evenly-aligned
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
			 * dwords. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
			if (unlikely(adapter->pcix_82544 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
			    !((unsigned long)(page_to_phys(frag->page) + offset
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
			                      + size - 1) & 4) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
			    size > 4))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
				size -= 4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
			buffer_info->length = size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
			buffer_info->time_stamp = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
			buffer_info->mapped_as_page = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
			buffer_info->dma = dma_map_page(&pdev->dev, frag->page,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
							offset,	size,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
							DMA_TO_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
				goto dma_error;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
			buffer_info->next_to_watch = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
			len -= size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
			offset += size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
			count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
	tx_ring->buffer_info[i].skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
	tx_ring->buffer_info[first].next_to_watch = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
	return count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
dma_error:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
	dev_err(&pdev->dev, "TX DMA map failed\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
	if (count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
		count--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	while (count--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
		if (i==0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
			i += tx_ring->count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
		i--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
		buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
		e1000_unmap_and_free_tx_resource(adapter, buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
static void e1000_tx_queue(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
			   struct e1000_tx_ring *tx_ring, int tx_flags,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
			   int count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	struct e1000_tx_desc *tx_desc = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
	if (likely(tx_flags & E1000_TX_FLAGS_TSO)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
		             E1000_TXD_CMD_TSE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
		if (likely(tx_flags & E1000_TX_FLAGS_IPV4))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	if (likely(tx_flags & E1000_TX_FLAGS_CSUM)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	if (unlikely(tx_flags & E1000_TX_FLAGS_VLAN)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
		txd_lower |= E1000_TXD_CMD_VLE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
	i = tx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	while (count--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
		buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
		tx_desc = E1000_TX_DESC(*tx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
		tx_desc->lower.data =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
			cpu_to_le32(txd_lower | buffer_info->length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
		tx_desc->upper.data = cpu_to_le32(txd_upper);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
		if (unlikely(++i == tx_ring->count)) i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	/* Force memory writes to complete before letting h/w
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	 * know there are new descriptors to fetch.  (Only
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	 * applicable for weak-ordered memory model archs,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	 * such as IA-64). */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
	wmb();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
	tx_ring->next_to_use = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
	writel(i, hw->hw_addr + tx_ring->tdt);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	/* we need this if more than one processor can write to our tail
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
	 * at a time, it syncronizes IO on IA64/Altix systems */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
	mmiowb();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
 * 82547 workaround to avoid controller hang in half-duplex environment.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
 * The workaround is to avoid queuing a large packet that would span
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
 * the internal Tx FIFO ring boundary by notifying the stack to resend
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
 * the packet at a later time.  This gives the Tx FIFO an opportunity to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
 * flush all packets.  When that occurs, we reset the Tx FIFO pointers
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
 * to the beginning of the Tx FIFO.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
#define E1000_FIFO_HDR			0x10
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
#define E1000_82547_PAD_LEN		0x3E0
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
				       struct sk_buff *skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
	u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	u32 skb_fifo_len = skb->len + E1000_FIFO_HDR;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	if (adapter->link_duplex != HALF_DUPLEX)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
		goto no_fifo_stall_required;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
	if (atomic_read(&adapter->tx_fifo_stall))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
		return 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
	if (skb_fifo_len >= (E1000_82547_PAD_LEN + fifo_space)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
		atomic_set(&adapter->tx_fifo_stall, 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
		return 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
no_fifo_stall_required:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	adapter->tx_fifo_head += skb_fifo_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	if (adapter->tx_fifo_head >= adapter->tx_fifo_size)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
		adapter->tx_fifo_head -= adapter->tx_fifo_size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
	struct e1000_tx_ring *tx_ring = adapter->tx_ring;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	netif_stop_queue(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
	/* Herbert's original patch had:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	 *  smp_mb__after_netif_stop_queue();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
	 * but since that doesn't exist yet, just open code it. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	smp_mb();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
	/* We need to check again in a case another CPU has just
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	 * made room available. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
	if (likely(E1000_DESC_UNUSED(tx_ring) < size))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
		return -EBUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	/* A reprieve! */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	netif_start_queue(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
	++adapter->restart_queue;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
static int e1000_maybe_stop_tx(struct net_device *netdev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
                               struct e1000_tx_ring *tx_ring, int size)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	if (likely(E1000_DESC_UNUSED(tx_ring) >= size))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
		return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	return __e1000_maybe_stop_tx(netdev, size);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
				    struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	struct e1000_tx_ring *tx_ring;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	unsigned int tx_flags = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
	unsigned int len = skb_headlen(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	unsigned int nr_frags;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	unsigned int mss;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	int count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	int tso;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	unsigned int f;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	/* This goes back to the question of how to logically map a tx queue
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	 * to a flow.  Right now, performance is impacted slightly negatively
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	 * if using multiple tx queues.  If the stack breaks away from a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	 * single qdisc implementation, we can look at this again. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
	tx_ring = adapter->tx_ring;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	if (unlikely(skb->len <= 0)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
		if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
			dev_kfree_skb_any(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
		return NETDEV_TX_OK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
	mss = skb_shinfo(skb)->gso_size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
	/* The controller does a simple calculation to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
	 * make sure there is enough room in the FIFO before
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	 * initiating the DMA for each buffer.  The calc is:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
	 * 4 = ceil(buffer len/mss).  To make sure we don't
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	 * overrun the FIFO, adjust the max buffer len if mss
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
	 * drops. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
	if (mss) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
		u8 hdr_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		max_per_txd = min(mss << 2, max_per_txd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
		max_txd_pwr = fls(max_per_txd) - 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
		if (skb->data_len && hdr_len == len) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
			switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
				unsigned int pull_size;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
			case e1000_82544:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
				/* Make sure we have room to chop off 4 bytes,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
				 * and that the end alignment will work out to
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
				 * this hardware's requirements
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
				 * NOTE: this is a TSO only workaround
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
				 * if end byte alignment not correct move us
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
				 * into the next dword */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
				if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
					break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
				/* fall through */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
				pull_size = min((unsigned int)4, skb->data_len);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
				if (!__pskb_pull_tail(skb, pull_size)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
					e_err(drv, "__pskb_pull_tail "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
					      "failed.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
					dev_kfree_skb_any(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
					return NETDEV_TX_OK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
				}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
				len = skb_headlen(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
			default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
				/* do nothing */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	/* reserve a descriptor for the offload context */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
		count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	/* Controller Erratum workaround */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
		count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	count += TXD_USE_COUNT(len, max_txd_pwr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	if (adapter->pcix_82544)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
		count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	/* work-around for errata 10 and it applies to all controllers
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	 * in PCI-X mode, so add one more descriptor to the count
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	if (unlikely((hw->bus_type == e1000_bus_type_pcix) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
			(len > 2015)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
		count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	nr_frags = skb_shinfo(skb)->nr_frags;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	for (f = 0; f < nr_frags; f++)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
				       max_txd_pwr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	if (adapter->pcix_82544)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
		count += nr_frags;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	/* need: count + 2 desc gap to keep tail from touching
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	 * head, otherwise try next time */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
		return NETDEV_TX_BUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	if (unlikely(hw->mac_type == e1000_82547)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
			if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
				netif_stop_queue(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
				if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
					mod_timer(&adapter->tx_fifo_stall_timer,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
					          jiffies + 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
			return NETDEV_TX_BUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	if (unlikely(vlan_tx_tag_present(skb))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
		tx_flags |= E1000_TX_FLAGS_VLAN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	first = tx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
	tso = e1000_tso(adapter, tx_ring, skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	if (tso < 0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
		if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
			dev_kfree_skb_any(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
		return NETDEV_TX_OK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	if (likely(tso)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
		if (likely(hw->mac_type != e1000_82544))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
			tx_ring->last_tx_tso = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
		tx_flags |= E1000_TX_FLAGS_TSO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
		tx_flags |= E1000_TX_FLAGS_CSUM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	if (likely(skb->protocol == htons(ETH_P_IP)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
		tx_flags |= E1000_TX_FLAGS_IPV4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	count = e1000_tx_map(adapter, tx_ring, skb, first, max_per_txd,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	                     nr_frags, mss);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	if (count) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
		e1000_tx_queue(adapter, tx_ring, tx_flags, count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
		if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
			/* Make sure there is space in the ring for the next send. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
			e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
		if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
			dev_kfree_skb_any(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
		tx_ring->buffer_info[first].time_stamp = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
		tx_ring->next_to_use = first;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	return NETDEV_TX_OK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
 * e1000_tx_timeout - Respond to a Tx Hang
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
static void e1000_tx_timeout(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	/* Do the reset outside of interrupt context */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	adapter->tx_timeout_count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	schedule_work(&adapter->reset_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
static void e1000_reset_task(struct work_struct *work)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
	struct e1000_adapter *adapter =
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
		container_of(work, struct e1000_adapter, reset_task);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	e1000_reinit_safe(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
 * e1000_get_stats - Get System Network Statistics
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
 * Returns the address of the device statistics structure.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
 * The statistics are actually updated from the timer callback.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
	/* only return the current stats */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
	return &netdev->stats;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
 * e1000_change_mtu - Change the Maximum Transfer Unit
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
 * @netdev: network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
 * @new_mtu: new value for maximum frame size
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
 * Returns 0 on success, negative on failure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
	int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
		return -EBUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	    (max_frame > MAX_JUMBO_FRAME_SIZE)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
		e_err(probe, "Invalid MTU setting\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
		return -EINVAL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	/* Adapter-specific max frame size limits. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	switch (hw->mac_type) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
	case e1000_undefined ... e1000_82542_rev2_1:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
		if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
			e_err(probe, "Jumbo Frames not supported.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
			return -EINVAL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
		/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
		msleep(1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
	/* e1000_down has a dependency on max_frame_size */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
	hw->max_frame_size = max_frame;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
	if (netif_running(netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
		e1000_down(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
	/* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	 * means we reserve 2 more, this pushes us to allocate from the next
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
	 * larger slab size.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	 * i.e. RXBUFFER_2048 --> size-4096 slab
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
	 *  however with the new *_jumbo_rx* routines, jumbo receives will use
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	 *  fragmented skbs */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	if (max_frame <= E1000_RXBUFFER_2048)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
		adapter->rx_buffer_len = E1000_RXBUFFER_2048;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
#if (PAGE_SIZE >= E1000_RXBUFFER_16384)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
		adapter->rx_buffer_len = E1000_RXBUFFER_16384;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
#elif (PAGE_SIZE >= E1000_RXBUFFER_4096)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
		adapter->rx_buffer_len = PAGE_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	/* adjust allocation if LPE protects us, and we aren't using SBP */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	if (!hw->tbi_compatibility_on &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	    ((max_frame == (ETH_FRAME_LEN + ETH_FCS_LEN)) ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	     (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
		adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	pr_info("%s changing MTU from %d to %d\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
		netdev->name, netdev->mtu, new_mtu);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	netdev->mtu = new_mtu;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	if (netif_running(netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
		e1000_up(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
		e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	clear_bit(__E1000_RESETTING, &adapter->flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
 * e1000_update_stats - Update the board statistics counters
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
void e1000_update_stats(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	unsigned long flags = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
	u16 phy_tmp;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
	/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	 * Prevent stats update while adapter is being reset, or if the pci
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
	 * connection is down.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	if (adapter->link_speed == 0)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	if (pci_channel_offline(pdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
		spin_lock_irqsave(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	/* these counters are modified from e1000_tbi_adjust_stats,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	 * called from the interrupt context, so they must only
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	 * be written while holding adapter->stats_lock
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	adapter->stats.crcerrs += er32(CRCERRS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	adapter->stats.gprc += er32(GPRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	adapter->stats.gorcl += er32(GORCL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	adapter->stats.gorch += er32(GORCH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	adapter->stats.bprc += er32(BPRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	adapter->stats.mprc += er32(MPRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	adapter->stats.roc += er32(ROC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
	adapter->stats.prc64 += er32(PRC64);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	adapter->stats.prc127 += er32(PRC127);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	adapter->stats.prc255 += er32(PRC255);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
	adapter->stats.prc511 += er32(PRC511);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	adapter->stats.prc1023 += er32(PRC1023);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	adapter->stats.prc1522 += er32(PRC1522);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	adapter->stats.symerrs += er32(SYMERRS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	adapter->stats.mpc += er32(MPC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
	adapter->stats.scc += er32(SCC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	adapter->stats.ecol += er32(ECOL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	adapter->stats.mcc += er32(MCC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
	adapter->stats.latecol += er32(LATECOL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
	adapter->stats.dc += er32(DC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	adapter->stats.sec += er32(SEC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	adapter->stats.rlec += er32(RLEC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	adapter->stats.xonrxc += er32(XONRXC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
	adapter->stats.xontxc += er32(XONTXC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
	adapter->stats.xoffrxc += er32(XOFFRXC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	adapter->stats.xofftxc += er32(XOFFTXC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	adapter->stats.fcruc += er32(FCRUC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
	adapter->stats.gptc += er32(GPTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	adapter->stats.gotcl += er32(GOTCL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
	adapter->stats.gotch += er32(GOTCH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	adapter->stats.rnbc += er32(RNBC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	adapter->stats.ruc += er32(RUC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	adapter->stats.rfc += er32(RFC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	adapter->stats.rjc += er32(RJC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
	adapter->stats.torl += er32(TORL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	adapter->stats.torh += er32(TORH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	adapter->stats.totl += er32(TOTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	adapter->stats.toth += er32(TOTH);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	adapter->stats.tpr += er32(TPR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	adapter->stats.ptc64 += er32(PTC64);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	adapter->stats.ptc127 += er32(PTC127);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	adapter->stats.ptc255 += er32(PTC255);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	adapter->stats.ptc511 += er32(PTC511);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	adapter->stats.ptc1023 += er32(PTC1023);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	adapter->stats.ptc1522 += er32(PTC1522);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
	adapter->stats.mptc += er32(MPTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
	adapter->stats.bptc += er32(BPTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	/* used for adaptive IFS */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	hw->tx_packet_delta = er32(TPT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	adapter->stats.tpt += hw->tx_packet_delta;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	hw->collision_delta = er32(COLC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	adapter->stats.colc += hw->collision_delta;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	if (hw->mac_type >= e1000_82543) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
		adapter->stats.algnerrc += er32(ALGNERRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
		adapter->stats.rxerrc += er32(RXERRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
		adapter->stats.tncrs += er32(TNCRS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
		adapter->stats.cexterr += er32(CEXTERR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
		adapter->stats.tsctc += er32(TSCTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
		adapter->stats.tsctfc += er32(TSCTFC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	/* Fill out the OS statistics structure */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
	netdev->stats.multicast = adapter->stats.mprc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
	netdev->stats.collisions = adapter->stats.colc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	/* Rx Errors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
	/* RLEC on some newer hardware can be incorrect so build
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	* our own version based on RUC and ROC */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
	netdev->stats.rx_errors = adapter->stats.rxerrc +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
		adapter->stats.crcerrs + adapter->stats.algnerrc +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
		adapter->stats.ruc + adapter->stats.roc +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
		adapter->stats.cexterr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
	adapter->stats.rlerrc = adapter->stats.ruc + adapter->stats.roc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	netdev->stats.rx_length_errors = adapter->stats.rlerrc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
	/* Tx Errors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
	adapter->stats.txerrc = adapter->stats.ecol + adapter->stats.latecol;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
	netdev->stats.tx_errors = adapter->stats.txerrc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
	netdev->stats.tx_window_errors = adapter->stats.latecol;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	if (hw->bad_tx_carr_stats_fd &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
	    adapter->link_duplex == FULL_DUPLEX) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
		netdev->stats.tx_carrier_errors = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
		adapter->stats.tncrs = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	/* Tx Dropped needs to be maintained elsewhere */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	/* Phy Stats */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
	if (hw->media_type == e1000_media_type_copper) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
		if ((adapter->link_speed == SPEED_1000) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
		   (!e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_tmp))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
			phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
			adapter->phy_stats.idle_errors += phy_tmp;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
		if ((hw->mac_type <= e1000_82546) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
		   (hw->phy_type == e1000_phy_m88) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
			adapter->phy_stats.receive_errors += phy_tmp;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	/* Management Stats */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
	if (hw->has_smbus) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
		adapter->stats.mgptc += er32(MGTPTC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
		adapter->stats.mgprc += er32(MGTPRC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
		adapter->stats.mgpdc += er32(MGTPDC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
void ec_poll(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
		e1000_watchdog((unsigned long) adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
		adapter->ec_watchdog_jiffies = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	e1000_intr(0, netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
 * e1000_intr - Interrupt Handler
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
 * @irq: interrupt number
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
 * @data: pointer to a network interface device structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
static irqreturn_t e1000_intr(int irq, void *data)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
	struct net_device *netdev = data;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
	u32 icr = er32(ICR);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
	if (unlikely((!icr)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
		return IRQ_NONE;  /* Not our interrupt */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
	/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	 * we might have caused the interrupt, but the above
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
	 * read cleared it, and just in case the driver is
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	 * down there is nothing to do so return handled
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
	if (unlikely(test_bit(__E1000_DOWN, &adapter->flags)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
		return IRQ_HANDLED;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
		hw->get_link_status = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
		/* guard against interrupt when we're going down */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
		int i, ec_work_done = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
		for (i = 0; i < E1000_MAX_INTR; i++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
							&ec_work_done, 100) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
		/* disable interrupts, without the synchronize_irq bit */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
		ew32(IMC, ~0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
		E1000_WRITE_FLUSH();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
		if (likely(napi_schedule_prep(&adapter->napi))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
			adapter->total_tx_bytes = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
			adapter->total_tx_packets = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
			adapter->total_rx_bytes = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
			adapter->total_rx_packets = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
			__napi_schedule(&adapter->napi);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
			/* this really should not happen! if it does it is basically a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
			 * bug, but not a hard error, so enable ints and continue */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
			if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
				e1000_irq_enable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	return IRQ_HANDLED;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
 * e1000_clean - NAPI Rx polling callback
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
 * EtherCAT: never called
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
static int e1000_clean(struct napi_struct *napi, int budget)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
	int tx_clean_complete = 0, work_done = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	tx_clean_complete = e1000_clean_tx_irq(adapter, &adapter->tx_ring[0]);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	adapter->clean_rx(adapter, &adapter->rx_ring[0], &work_done, budget);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	if (!tx_clean_complete)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
		work_done = budget;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
	/* If budget not fully consumed, exit the polling mode */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
	if (work_done < budget) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
		if (likely(adapter->itr_setting & 3))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
			e1000_set_itr(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
		napi_complete(napi);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
		if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
			e1000_irq_enable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	return work_done;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
			       struct e1000_tx_ring *tx_ring)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	struct e1000_tx_desc *tx_desc, *eop_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
	unsigned int i, eop;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	unsigned int count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	unsigned int total_tx_bytes=0, total_tx_packets=0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	i = tx_ring->next_to_clean;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	eop = tx_ring->buffer_info[i].next_to_watch;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	       (count < tx_ring->count)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
		bool cleaned = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
		rmb();	/* read buffer_info after eop_desc */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
		for ( ; !cleaned; count++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
			tx_desc = E1000_TX_DESC(*tx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
			buffer_info = &tx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
			cleaned = (i == eop);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
			if (cleaned) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
				struct sk_buff *skb = buffer_info->skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
				unsigned int segs, bytecount;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
				segs = skb_shinfo(skb)->gso_segs ?: 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
				/* multiply data chunks by size of headers */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
				bytecount = ((segs - 1) * skb_headlen(skb)) +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
				            skb->len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
				total_tx_packets += segs;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
				total_tx_bytes += bytecount;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
			e1000_unmap_and_free_tx_resource(adapter, buffer_info);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
			tx_desc->upper.data = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
			if (unlikely(++i == tx_ring->count)) i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
		eop = tx_ring->buffer_info[i].next_to_watch;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
	tx_ring->next_to_clean = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
#define TX_WAKE_THRESHOLD 32
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	if (!adapter->ecdev && unlikely(count && netif_carrier_ok(netdev) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
		     E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
		/* Make sure that anybody stopping the queue after this
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
		 * sees the new next_to_clean.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
		smp_mb();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
		if (netif_queue_stopped(netdev) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
		    !(test_bit(__E1000_DOWN, &adapter->flags))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
			netif_wake_queue(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
			++adapter->restart_queue;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	if (!adapter->ecdev && adapter->detect_tx_hung) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
		/* Detect a transmit hang in hardware, this serializes the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
		 * check with the clearing of time_stamp and movement of i */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
		adapter->detect_tx_hung = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
		if (tx_ring->buffer_info[eop].time_stamp &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp +
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
		               (adapter->tx_timeout_factor * HZ)) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
			/* detected Tx unit hang */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
			e_err(drv, "Detected Tx Unit Hang\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
			      "  Tx Queue             <%lu>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
			      "  TDH                  <%x>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
			      "  TDT                  <%x>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
			      "  next_to_use          <%x>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
			      "  next_to_clean        <%x>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
			      "buffer_info[next_to_clean]\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
			      "  time_stamp           <%lx>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
			      "  next_to_watch        <%x>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
			      "  jiffies              <%lx>\n"
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
			      "  next_to_watch.status <%x>\n",
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
				(unsigned long)((tx_ring - adapter->tx_ring) /
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
					sizeof(struct e1000_tx_ring)),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
				readl(hw->hw_addr + tx_ring->tdh),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
				readl(hw->hw_addr + tx_ring->tdt),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
				tx_ring->next_to_use,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
				tx_ring->next_to_clean,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
				tx_ring->buffer_info[eop].time_stamp,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
				eop,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
				jiffies,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
				eop_desc->upper.fields.status);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
			netif_stop_queue(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
	adapter->total_tx_bytes += total_tx_bytes;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
	adapter->total_tx_packets += total_tx_packets;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	netdev->stats.tx_bytes += total_tx_bytes;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	netdev->stats.tx_packets += total_tx_packets;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	return count < tx_ring->count;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
 * e1000_rx_checksum - Receive Checksum Offload for 82543
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
 * @adapter:     board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
 * @status_err:  receive descriptor status and error fields
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
 * @csum:        receive descriptor csum field
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
 * @sk_buff:     socket buffer with received data
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
			      u32 csum, struct sk_buff *skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	u16 status = (u16)status_err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	u8 errors = (u8)(status_err >> 24);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
	skb_checksum_none_assert(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	/* 82543 or newer only */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
	if (unlikely(hw->mac_type < e1000_82543)) return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
	/* Ignore Checksum bit is set */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
	if (unlikely(status & E1000_RXD_STAT_IXSM)) return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
	/* TCP/UDP checksum error bit is set */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	if (unlikely(errors & E1000_RXD_ERR_TCPE)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
		/* let the stack verify checksum errors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
		adapter->hw_csum_err++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	/* TCP/UDP Checksum has not been calculated */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
	if (!(status & E1000_RXD_STAT_TCPCS))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
	/* It must be a TCP or UDP packet with a valid checksum */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
	if (likely(status & E1000_RXD_STAT_TCPCS)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
		/* TCP checksum is good */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
		skb->ip_summed = CHECKSUM_UNNECESSARY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
	adapter->hw_csum_good++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
 * e1000_consume_page - helper function
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
                               u16 length)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
	bi->page = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
	skb->len += length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
	skb->data_len += length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
	skb->truesize += length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
 * e1000_receive_skb - helper function to handle rx indications
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
 * @status: descriptor status field as written by hardware
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
 * @skb: pointer to sk_buff to be indicated to stack
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
static void e1000_receive_skb(struct e1000_adapter *adapter, u8 status,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
			      __le16 vlan, struct sk_buff *skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
	skb->protocol = eth_type_trans(skb, adapter->netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
	if ((unlikely(adapter->vlgrp && (status & E1000_RXD_STAT_VP))))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
		vlan_gro_receive(&adapter->napi, adapter->vlgrp,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
				 le16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
				 skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
		napi_gro_receive(&adapter->napi, skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
 * @rx_ring: ring to clean
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
 * @work_done: amount of napi work completed this call
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
 * @work_to_do: max amount of work allowed for this call to do
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
 * the return value indicates whether actual cleaning was done, there
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
 * is no guarantee that everything was cleaned
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
				     struct e1000_rx_ring *rx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
				     int *work_done, int work_to_do)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	struct e1000_rx_desc *rx_desc, *next_rxd;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	struct e1000_buffer *buffer_info, *next_buffer;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	unsigned long irq_flags;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	u32 length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	int cleaned_count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	bool cleaned = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	unsigned int total_rx_bytes=0, total_rx_packets=0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
	i = rx_ring->next_to_clean;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
	rx_desc = E1000_RX_DESC(*rx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	while (rx_desc->status & E1000_RXD_STAT_DD) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
		struct sk_buff *skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
		u8 status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
		if (*work_done >= work_to_do)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
		(*work_done)++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
		rmb(); /* read descriptor and rx_buffer_info after status DD */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
		status = rx_desc->status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
		skb = buffer_info->skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
		if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
			buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
		if (++i == rx_ring->count) i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
		next_rxd = E1000_RX_DESC(*rx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
		prefetch(next_rxd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
		next_buffer = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
		cleaned = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
		cleaned_count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
		dma_unmap_page(&pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
			       buffer_info->length, DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
		buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
		length = le16_to_cpu(rx_desc->length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
		/* errors is only valid for DD + EOP descriptors */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
		if (!adapter->ecdev &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
		    unlikely((status & E1000_RXD_STAT_EOP) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
			u8 last_byte = *(skb->data + length - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
				       last_byte)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
				spin_lock_irqsave(&adapter->stats_lock,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
				                  irq_flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
				e1000_tbi_adjust_stats(hw, &adapter->stats,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
				                       length, skb->data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
				spin_unlock_irqrestore(&adapter->stats_lock,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
				                       irq_flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
				length--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
				/* recycle both page and skb */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
				buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
				/* an error means any chain goes out the window
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
				 * too */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
				if (rx_ring->rx_skb_top)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
					dev_kfree_skb(rx_ring->rx_skb_top);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
				rx_ring->rx_skb_top = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
				goto next_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
#define rxtop rx_ring->rx_skb_top
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
		if (!(status & E1000_RXD_STAT_EOP)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
			/* this descriptor is only the beginning (or middle) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
			if (!rxtop) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
				/* this is the beginning of a chain */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
				rxtop = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
				                   0, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
				/* this is the middle of a chain */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
				skb_fill_page_desc(rxtop,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
				    skb_shinfo(rxtop)->nr_frags,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
				    buffer_info->page, 0, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
				/* re-use the skb, only consumed the page */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
				buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
			e1000_consume_page(buffer_info, rxtop, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
			goto next_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
			if (rxtop) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
				/* end of the chain */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
				skb_fill_page_desc(rxtop,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
				    skb_shinfo(rxtop)->nr_frags,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
				    buffer_info->page, 0, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
				/* re-use the current skb, we only consumed the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
				 * page */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
				buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
				skb = rxtop;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
				rxtop = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
				e1000_consume_page(buffer_info, skb, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
				/* no chain, got EOP, this buf is the packet
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
				 * copybreak to save the put_page/alloc_page */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
				if (length <= copybreak &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
				    skb_tailroom(skb) >= length) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
					u8 *vaddr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
					vaddr = kmap_atomic(buffer_info->page,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
					                    KM_SKB_DATA_SOFTIRQ);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
					memcpy(skb_tail_pointer(skb), vaddr, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
					kunmap_atomic(vaddr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
					              KM_SKB_DATA_SOFTIRQ);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
					/* re-use the page, so don't erase
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
					 * buffer_info->page */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
					skb_put(skb, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
				} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
					skb_fill_page_desc(skb, 0,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
					                   buffer_info->page, 0,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
				                           length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
					e1000_consume_page(buffer_info, skb,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
					                   length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
				}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
		e1000_rx_checksum(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
		                  (u32)(status) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
		                  ((u32)(rx_desc->errors) << 24),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
		                  le16_to_cpu(rx_desc->csum), skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
		pskb_trim(skb, skb->len - 4);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		/* probably a little skewed due to removing CRC */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
		total_rx_bytes += skb->len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
		total_rx_packets++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
		/* eth type trans needs skb->data to point to something */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
		if (!pskb_may_pull(skb, ETH_HLEN)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
			e_err(drv, "pskb_may_pull failed.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
			if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
				dev_kfree_skb(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
			goto next_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
		if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
			ecdev_receive(adapter->ecdev, skb->data, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
			// No need to detect link status as
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
			// long as frames are received: Reset watchdog.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
			adapter->ec_watchdog_jiffies = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
next_desc:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
		rx_desc->status = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
		/* return some buffers to hardware, one at a time is too slow */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
			cleaned_count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
		/* use prefetched values */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
		rx_desc = next_rxd;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
		buffer_info = next_buffer;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
	rx_ring->next_to_clean = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
	if (cleaned_count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
	adapter->total_rx_packets += total_rx_packets;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
	adapter->total_rx_bytes += total_rx_bytes;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
	netdev->stats.rx_bytes += total_rx_bytes;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
	netdev->stats.rx_packets += total_rx_packets;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
	return cleaned;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
 * this should improve performance for small packets with large amounts
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
 * of reassembly being done in the stack
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
static void e1000_check_copybreak(struct net_device *netdev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
				 struct e1000_buffer *buffer_info,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
				 u32 length, struct sk_buff **skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
	struct sk_buff *new_skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
	if (adapter->ecdev || length > copybreak)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
	new_skb = netdev_alloc_skb_ip_align(netdev, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	if (!new_skb)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
	skb_copy_to_linear_data_offset(new_skb, -NET_IP_ALIGN,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
				       (*skb)->data - NET_IP_ALIGN,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
				       length + NET_IP_ALIGN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
	/* save the skb in buffer_info as good */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
	buffer_info->skb = *skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
	*skb = new_skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
 * @adapter: board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
 * @rx_ring: ring to clean
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
 * @work_done: amount of napi work completed this call
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
 * @work_to_do: max amount of work allowed for this call to do
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
			       struct e1000_rx_ring *rx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
			       int *work_done, int work_to_do)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
	struct e1000_rx_desc *rx_desc, *next_rxd;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
	struct e1000_buffer *buffer_info, *next_buffer;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
	unsigned long flags;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	u32 length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	int cleaned_count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	bool cleaned = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
	unsigned int total_rx_bytes=0, total_rx_packets=0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
	i = rx_ring->next_to_clean;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	rx_desc = E1000_RX_DESC(*rx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	while (rx_desc->status & E1000_RXD_STAT_DD) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
		struct sk_buff *skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
		u8 status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
		if (*work_done >= work_to_do)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
		(*work_done)++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
		rmb(); /* read descriptor and rx_buffer_info after status DD */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
		status = rx_desc->status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
		skb = buffer_info->skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
		if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
			buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
		prefetch(skb->data - NET_IP_ALIGN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
		if (++i == rx_ring->count) i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
		next_rxd = E1000_RX_DESC(*rx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
		prefetch(next_rxd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
		next_buffer = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
		cleaned = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
		cleaned_count++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
		dma_unmap_single(&pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
				 buffer_info->length, DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
		buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
		length = le16_to_cpu(rx_desc->length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
		/* !EOP means multiple descriptors were used to store a single
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
		 * packet, if thats the case we need to toss it.  In fact, we
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
		 * to toss every packet with the EOP bit clear and the next
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
		 * frame that _does_ have the EOP bit set, as it is by
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
		 * definition only a frame fragment
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
			adapter->discarding = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
		if (adapter->discarding) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
			/* All receives must fit into a single buffer */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
			e_dbg("Receive packet consumed multiple buffers\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
			/* recycle */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
			buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
			if (status & E1000_RXD_STAT_EOP)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
				adapter->discarding = false;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
			goto next_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
		if (!adapter->ecdev &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
		    unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
			u8 last_byte = *(skb->data + length - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
			if (TBI_ACCEPT(hw, status, rx_desc->errors, length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
				       last_byte)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
				spin_lock_irqsave(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
				e1000_tbi_adjust_stats(hw, &adapter->stats,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
				                       length, skb->data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
				spin_unlock_irqrestore(&adapter->stats_lock,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
				                       flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
				length--;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
			} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
				/* recycle */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
				buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
				goto next_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
		/* adjust length to remove Ethernet CRC, this must be
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
		 * done after the TBI_ACCEPT workaround above */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		length -= 4;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
		/* probably a little skewed due to removing CRC */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
		total_rx_bytes += length;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		total_rx_packets++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		e1000_check_copybreak(netdev, buffer_info, length, &skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		skb_put(skb, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
		/* Receive Checksum Offload */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		e1000_rx_checksum(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
				  (u32)(status) |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
				  ((u32)(rx_desc->errors) << 24),
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
				  le16_to_cpu(rx_desc->csum), skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
		if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
			ecdev_receive(adapter->ecdev, skb->data, length);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
			// No need to detect link status as
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
			// long as frames are received: Reset watchdog.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
			adapter->ec_watchdog_jiffies = jiffies;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
			e1000_receive_skb(adapter, status, rx_desc->special, skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
next_desc:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
		rx_desc->status = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
		/* return some buffers to hardware, one at a time is too slow */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
			cleaned_count = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
		/* use prefetched values */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
		rx_desc = next_rxd;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
		buffer_info = next_buffer;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
	rx_ring->next_to_clean = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
	cleaned_count = E1000_DESC_UNUSED(rx_ring);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
	if (cleaned_count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	adapter->total_rx_packets += total_rx_packets;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
	adapter->total_rx_bytes += total_rx_bytes;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	netdev->stats.rx_bytes += total_rx_bytes;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
	netdev->stats.rx_packets += total_rx_packets;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
	return cleaned;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
 * @adapter: address of board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
 * @rx_ring: pointer to receive ring structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
 * @cleaned_count: number of buffers to allocate this pass
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
static void
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
                             struct e1000_rx_ring *rx_ring, int cleaned_count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
	struct e1000_rx_desc *rx_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
	struct sk_buff *skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
	unsigned int bufsz = 256 - 16 /*for skb_reserve */ ;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
	i = rx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
	buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
	while (cleaned_count--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
		skb = buffer_info->skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
		if (skb) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
			skb_trim(skb, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
			goto check_page;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
		if (unlikely(!skb)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
			/* Better luck next round */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
			adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
		/* Fix for errata 23, can't cross 64kB boundary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
			struct sk_buff *oldskb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
			e_err(rx_err, "skb align check failed: %u bytes at "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
			      "%p\n", bufsz, skb->data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
			/* Try again, without freeing the previous */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
			/* Failed allocation, critical failure */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
			if (!skb) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
				dev_kfree_skb(oldskb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
				adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
				/* give up */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
				dev_kfree_skb(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
				dev_kfree_skb(oldskb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
				break; /* while (cleaned_count--) */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
			/* Use new allocation */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
			dev_kfree_skb(oldskb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
		buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
		buffer_info->length = adapter->rx_buffer_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
check_page:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
		/* allocate a new page if necessary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
		if (!buffer_info->page) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
			buffer_info->page = alloc_page(GFP_ATOMIC);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
			if (unlikely(!buffer_info->page)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
				adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
		if (!buffer_info->dma) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
			buffer_info->dma = dma_map_page(&pdev->dev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
			                                buffer_info->page, 0,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
							buffer_info->length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
							DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
			if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
				put_page(buffer_info->page);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
				dev_kfree_skb(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
				buffer_info->page = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
				buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
				buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
				adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
				break; /* while !buffer_info->skb */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
		rx_desc = E1000_RX_DESC(*rx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
		if (unlikely(++i == rx_ring->count))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
			i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
		buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	if (likely(rx_ring->next_to_use != i)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		rx_ring->next_to_use = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
		if (unlikely(i-- == 0))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
			i = (rx_ring->count - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
		/* Force memory writes to complete before letting h/w
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
		 * know there are new descriptors to fetch.  (Only
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
		 * applicable for weak-ordered memory model archs,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
		 * such as IA-64). */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
		wmb();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
		writel(i, adapter->hw.hw_addr + rx_ring->rdt);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
 * @adapter: address of board private structure
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
				   struct e1000_rx_ring *rx_ring,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
				   int cleaned_count)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
	struct net_device *netdev = adapter->netdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
	struct pci_dev *pdev = adapter->pdev;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
	struct e1000_rx_desc *rx_desc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
	struct e1000_buffer *buffer_info;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
	struct sk_buff *skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
	unsigned int i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
	unsigned int bufsz = adapter->rx_buffer_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
	i = rx_ring->next_to_use;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
	buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
	while (cleaned_count--) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
		skb = buffer_info->skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
		if (skb) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
			skb_trim(skb, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
			goto map_skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
		if (unlikely(!skb)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
			/* Better luck next round */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
			adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
			break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
		/* Fix for errata 23, can't cross 64kB boundary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
		if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
			struct sk_buff *oldskb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
			e_err(rx_err, "skb align check failed: %u bytes at "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
			      "%p\n", bufsz, skb->data);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
			/* Try again, without freeing the previous */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
			skb = netdev_alloc_skb_ip_align(netdev, bufsz);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
			/* Failed allocation, critical failure */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
			if (!skb) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
				dev_kfree_skb(oldskb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
				adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
			if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
				/* give up */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
				dev_kfree_skb(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
				dev_kfree_skb(oldskb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
				adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
				break; /* while !buffer_info->skb */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
			/* Use new allocation */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
			dev_kfree_skb(oldskb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
		buffer_info->skb = skb;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
		buffer_info->length = adapter->rx_buffer_len;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
map_skb:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
		buffer_info->dma = dma_map_single(&pdev->dev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
						  skb->data,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
						  buffer_info->length,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
						  DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
			dev_kfree_skb(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
			buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
			buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
			adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
			break; /* while !buffer_info->skb */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
		/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
		 * XXX if it was allocated cleanly it will never map to a
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
		 * boundary crossing
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
		 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
		/* Fix for errata 23, can't cross 64kB boundary */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
		if (!e1000_check_64k_bound(adapter,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
					(void *)(unsigned long)buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
					adapter->rx_buffer_len)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
			e_err(rx_err, "dma align check failed: %u bytes at "
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
			      "%p\n", adapter->rx_buffer_len,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
			      (void *)(unsigned long)buffer_info->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
			dev_kfree_skb(skb);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
			buffer_info->skb = NULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
			dma_unmap_single(&pdev->dev, buffer_info->dma,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
					 adapter->rx_buffer_len,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
					 DMA_FROM_DEVICE);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
			buffer_info->dma = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
			adapter->alloc_rx_buff_failed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
			break; /* while !buffer_info->skb */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
		rx_desc = E1000_RX_DESC(*rx_ring, i);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
		if (unlikely(++i == rx_ring->count))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
			i = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		buffer_info = &rx_ring->buffer_info[i];
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	if (likely(rx_ring->next_to_use != i)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
		rx_ring->next_to_use = i;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
		if (unlikely(i-- == 0))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
			i = (rx_ring->count - 1);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
		/* Force memory writes to complete before letting h/w
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
		 * know there are new descriptors to fetch.  (Only
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
		 * applicable for weak-ordered memory model archs,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
		 * such as IA-64). */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
		wmb();
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
		writel(i, hw->hw_addr + rx_ring->rdt);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
 * e1000_smartspeed - Workaround for SmartSpeed on 82541 and 82547 controllers.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
 * @adapter:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
static void e1000_smartspeed(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
	u16 phy_status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
	u16 phy_ctrl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
	if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
	   !(hw->autoneg_advertised & ADVERTISE_1000_FULL))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
	if (adapter->smartspeed == 0) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
		/* If Master/Slave config fault is asserted twice,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
		 * we assume back-to-back */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
		e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
		if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
		if (phy_ctrl & CR_1000T_MS_ENABLE) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
			phy_ctrl &= ~CR_1000T_MS_ENABLE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
			e1000_write_phy_reg(hw, PHY_1000T_CTRL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
					    phy_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
			adapter->smartspeed++;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
			if (!e1000_phy_setup_autoneg(hw) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
			   !e1000_read_phy_reg(hw, PHY_CTRL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
				   	       &phy_ctrl)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
				phy_ctrl |= (MII_CR_AUTO_NEG_EN |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
					     MII_CR_RESTART_AUTO_NEG);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
				e1000_write_phy_reg(hw, PHY_CTRL,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
						    phy_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
	} else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
		/* If still no link, perhaps using 2/3 pair cable */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
		e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
		phy_ctrl |= CR_1000T_MS_ENABLE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
		e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
		if (!e1000_phy_setup_autoneg(hw) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
		   !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
			phy_ctrl |= (MII_CR_AUTO_NEG_EN |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
				     MII_CR_RESTART_AUTO_NEG);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
			e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	/* Restart process after E1000_SMARTSPEED_MAX iterations */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
	if (adapter->smartspeed++ == E1000_SMARTSPEED_MAX)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
		adapter->smartspeed = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
 * e1000_ioctl -
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
 * @netdev:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
 * @ifreq:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
 * @cmd:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	switch (cmd) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
	case SIOCGMIIPHY:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
	case SIOCGMIIREG:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
	case SIOCSMIIREG:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
		return e1000_mii_ioctl(netdev, ifr, cmd);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
		return -EOPNOTSUPP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
 * e1000_mii_ioctl -
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
 * @netdev:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
 * @ifreq:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
 * @cmd:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
 **/
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
			   int cmd)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
	struct mii_ioctl_data *data = if_mii(ifr);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	int retval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
	u16 mii_reg;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
	unsigned long flags;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
	if (hw->media_type != e1000_media_type_copper)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
		return -EOPNOTSUPP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
	switch (cmd) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	case SIOCGMIIPHY:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
		data->phy_id = hw->phy_addr;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
	case SIOCGMIIREG:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
		if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
			return -EPERM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
		spin_lock_irqsave(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
		if (e1000_read_phy_reg(hw, data->reg_num & 0x1F,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
				   &data->val_out)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
			return -EIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	case SIOCSMIIREG:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
		if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
			return -EPERM;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
		if (data->reg_num & ~(0x1F))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
			return -EFAULT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
		mii_reg = data->val_in;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
		spin_lock_irqsave(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
		if (e1000_write_phy_reg(hw, data->reg_num,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
					mii_reg)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
			spin_unlock_irqrestore(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
			return -EIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
		spin_unlock_irqrestore(&adapter->stats_lock, flags);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
		if (hw->media_type == e1000_media_type_copper) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
			switch (data->reg_num) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
			case PHY_CTRL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
				if (mii_reg & MII_CR_POWER_DOWN)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
					break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
				if (mii_reg & MII_CR_AUTO_NEG_EN) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
					hw->autoneg = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
					hw->autoneg_advertised = 0x2F;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
				} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
					u32 speed;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
					if (mii_reg & 0x40)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
						speed = SPEED_1000;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
					else if (mii_reg & 0x2000)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
						speed = SPEED_100;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
					else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
						speed = SPEED_10;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
					retval = e1000_set_spd_dplx(
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
						adapter, speed,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
						((mii_reg & 0x100)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
						 ? DUPLEX_FULL :
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
						 DUPLEX_HALF));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
					if (retval)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
						return retval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
				}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
				if (netif_running(adapter->netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
					e1000_reinit_locked(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
				else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
					e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
			case M88E1000_PHY_SPEC_CTRL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
			case M88E1000_EXT_PHY_SPEC_CTRL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
				if (e1000_phy_reset(hw))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
					return -EIO;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
		} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
			switch (data->reg_num) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
			case PHY_CTRL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
				if (mii_reg & MII_CR_POWER_DOWN)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
					break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
				if (netif_running(adapter->netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
					e1000_reinit_locked(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
				else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
					e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
				break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
			}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
		return -EOPNOTSUPP;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
	return E1000_SUCCESS;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
void e1000_pci_set_mwi(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
	struct e1000_adapter *adapter = hw->back;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
	int ret_val = pci_set_mwi(adapter->pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
	if (ret_val)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
		e_err(probe, "Error in setting MWI\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
void e1000_pci_clear_mwi(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
	struct e1000_adapter *adapter = hw->back;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
	pci_clear_mwi(adapter->pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
int e1000_pcix_get_mmrbc(struct e1000_hw *hw)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
	struct e1000_adapter *adapter = hw->back;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
	return pcix_get_mmrbc(adapter->pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
	struct e1000_adapter *adapter = hw->back;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
	pcix_set_mmrbc(adapter->pdev, mmrbc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
	outl(value, port);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
static void e1000_vlan_rx_register(struct net_device *netdev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
				   struct vlan_group *grp)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
	u32 ctrl, rctl;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
	if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
		e1000_irq_disable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
	adapter->vlgrp = grp;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
	if (grp) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		/* enable VLAN tag insert/strip */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
		ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
		ctrl |= E1000_CTRL_VME;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
		ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
		/* enable VLAN receive filtering */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
		rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
		rctl &= ~E1000_RCTL_CFIEN;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
		if (!(netdev->flags & IFF_PROMISC))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
			rctl |= E1000_RCTL_VFE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
		ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
		e1000_update_mng_vlan(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
		/* disable VLAN tag insert/strip */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
		ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
		ctrl &= ~E1000_CTRL_VME;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
		ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
		/* disable VLAN receive filtering */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
		rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
		rctl &= ~E1000_RCTL_VFE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
		ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
		if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
			e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
		e1000_irq_enable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
	u32 vfta, index;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
	if ((hw->mng_cookie.status &
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
	    (vid == adapter->mng_vlan_id))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
		return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
	/* add VID to filter table */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
	index = (vid >> 5) & 0x7F;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
	vfta |= (1 << (vid & 0x1F));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
	e1000_write_vfta(hw, index, vfta);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
	u32 vfta, index;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
	if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
		e1000_irq_disable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
	if (!test_bit(__E1000_DOWN, &adapter->flags))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
		e1000_irq_enable(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
	/* remove VID from filter table */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
	index = (vid >> 5) & 0x7F;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
	vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	vfta &= ~(1 << (vid & 0x1F));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
	e1000_write_vfta(hw, index, vfta);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
static void e1000_restore_vlan(struct e1000_adapter *adapter)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	if (adapter->vlgrp) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
		u16 vid;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
		for (vid = 0; vid < VLAN_N_VID; vid++) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
			if (!vlan_group_get_device(adapter->vlgrp, vid))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
				continue;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
			e1000_vlan_rx_add_vid(adapter->netdev, vid);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	hw->autoneg = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	/* Make sure dplx is at most 1 bit and lsb of speed is not set
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
	 * for the switch() below to work */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
	if ((spd & 1) || (dplx & ~1))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
		goto err_inval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	/* Fiber NICs only allow 1000 gbps Full duplex */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	if ((hw->media_type == e1000_media_type_fiber) &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	    spd != SPEED_1000 &&
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	    dplx != DUPLEX_FULL)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
		goto err_inval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	switch (spd + dplx) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	case SPEED_10 + DUPLEX_HALF:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
		hw->forced_speed_duplex = e1000_10_half;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	case SPEED_10 + DUPLEX_FULL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
		hw->forced_speed_duplex = e1000_10_full;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	case SPEED_100 + DUPLEX_HALF:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
		hw->forced_speed_duplex = e1000_100_half;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
	case SPEED_100 + DUPLEX_FULL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
		hw->forced_speed_duplex = e1000_100_full;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
	case SPEED_1000 + DUPLEX_FULL:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
		hw->autoneg = 1;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
		hw->autoneg_advertised = ADVERTISE_1000_FULL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
		break;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
	case SPEED_1000 + DUPLEX_HALF: /* not supported */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
	default:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
		goto err_inval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
err_inval:
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	e_err(probe, "Unsupported Speed/Duplex configuration\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
	return -EINVAL;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
	struct net_device *netdev = pci_get_drvdata(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
	u32 ctrl, ctrl_ext, rctl, status;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
	u32 wufc = adapter->wol;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
#ifdef CONFIG_PM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
	int retval = 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
		return -EBUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
	netif_device_detach(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	if (netif_running(netdev)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
		e1000_down(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
#ifdef CONFIG_PM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	retval = pci_save_state(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
	if (retval)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
		return retval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
	status = er32(STATUS);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	if (status & E1000_STATUS_LU)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
		wufc &= ~E1000_WUFC_LNKC;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
	if (wufc) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
		e1000_setup_rctl(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
		e1000_set_rx_mode(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
		/* turn on all-multi mode if wake on multicast is enabled */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
		if (wufc & E1000_WUFC_MC) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
			rctl = er32(RCTL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
			rctl |= E1000_RCTL_MPE;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
			ew32(RCTL, rctl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
		if (hw->mac_type >= e1000_82540) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
			ctrl = er32(CTRL);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
			/* advertise wake from D3Cold */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
			#define E1000_CTRL_ADVD3WUC 0x00100000
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
			/* phy power management enable */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
			#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
			ctrl |= E1000_CTRL_ADVD3WUC |
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
				E1000_CTRL_EN_PHY_PWR_MGMT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
			ew32(CTRL, ctrl);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
		if (hw->media_type == e1000_media_type_fiber ||
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
		    hw->media_type == e1000_media_type_internal_serdes) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
			/* keep the laser running in D3 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
			ctrl_ext = er32(CTRL_EXT);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
			ew32(CTRL_EXT, ctrl_ext);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
		ew32(WUC, E1000_WUC_PME_EN);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
		ew32(WUFC, wufc);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
		ew32(WUC, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
		ew32(WUFC, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
	e1000_release_manageability(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
	*enable_wake = !!wufc;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
	/* make sure adapter isn't asleep if manageability is enabled */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
	if (adapter->en_mng_pt)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
		*enable_wake = true;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
	if (netif_running(netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
		e1000_free_irq(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
	pci_disable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
#ifdef CONFIG_PM
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
	int retval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
	bool wake;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
	retval = __e1000_shutdown(pdev, &wake);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	if (retval)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
		return retval;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
	if (wake) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
		pci_prepare_to_sleep(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	} else {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
		pci_wake_from_d3(pdev, false);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
		pci_set_power_state(pdev, PCI_D3hot);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
static int e1000_resume(struct pci_dev *pdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
	struct net_device *netdev = pci_get_drvdata(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
	u32 err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
	if (adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
		return -EBUSY;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	pci_set_power_state(pdev, PCI_D0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
	pci_restore_state(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
	pci_save_state(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
	if (adapter->need_ioport)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
		err = pci_enable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
		err = pci_enable_device_mem(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
	if (err) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
		pr_err("Cannot enable PCI device from suspend\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
		return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
	pci_set_master(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
	pci_enable_wake(pdev, PCI_D3hot, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	pci_enable_wake(pdev, PCI_D3cold, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
	if (netif_running(netdev)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
		err = e1000_request_irq(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
		if (err)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
			return err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
	e1000_power_up_phy(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
	e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
	ew32(WUS, ~0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
	e1000_init_manageability(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	if (netif_running(netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
		e1000_up(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
	if (!adapter->ecdev) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
		netif_device_attach(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
	return 0;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
static void e1000_shutdown(struct pci_dev *pdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
	bool wake;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
	__e1000_shutdown(pdev, &wake);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
	if (system_state == SYSTEM_POWER_OFF) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
		pci_wake_from_d3(pdev, wake);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
		pci_set_power_state(pdev, PCI_D3hot);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
#ifdef CONFIG_NET_POLL_CONTROLLER
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
/*
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
 * Polling 'interrupt' - used by things like netconsole to send skbs
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
 * without having to re-enable interrupts. It's not called while
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
 * the interrupt routine is executing.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
static void e1000_netpoll(struct net_device *netdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
	disable_irq(adapter->pdev->irq);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
	e1000_intr(adapter->pdev->irq, netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
	enable_irq(adapter->pdev->irq);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
#endif
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
 * e1000_io_error_detected - called when PCI error is detected
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
 * @pdev: Pointer to PCI device
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
 * @state: The current pci connection state
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
 * This function is called after a PCI bus error affecting
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
 * this device has been detected.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
						pci_channel_state_t state)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
	struct net_device *netdev = pci_get_drvdata(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
	netif_device_detach(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
	if (state == pci_channel_io_perm_failure)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
		return PCI_ERS_RESULT_DISCONNECT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
	if (netif_running(netdev))
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
		e1000_down(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
	pci_disable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
	/* Request a slot slot reset. */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
	return PCI_ERS_RESULT_NEED_RESET;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
 * e1000_io_slot_reset - called after the pci bus has been reset.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
 * @pdev: Pointer to PCI device
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
 * Restart the card from scratch, as if from a cold-boot. Implementation
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
 * resembles the first-half of the e1000_resume routine.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
	struct net_device *netdev = pci_get_drvdata(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
	struct e1000_hw *hw = &adapter->hw;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
	int err;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
	if (adapter->need_ioport)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
		err = pci_enable_device(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	else
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
		err = pci_enable_device_mem(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
	if (err) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
		pr_err("Cannot re-enable PCI device after reset.\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
		return PCI_ERS_RESULT_DISCONNECT;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
	pci_set_master(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	pci_enable_wake(pdev, PCI_D3hot, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
	pci_enable_wake(pdev, PCI_D3cold, 0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	e1000_reset(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	ew32(WUS, ~0);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
	return PCI_ERS_RESULT_RECOVERED;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
/**
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
 * e1000_io_resume - called when traffic can start flowing again.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
 * @pdev: Pointer to PCI device
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
 *
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
 * This callback is called when the error recovery driver tells us that
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
 * its OK to resume normal operation. Implementation resembles the
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
 * second-half of the e1000_resume routine.
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
 */
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
static void e1000_io_resume(struct pci_dev *pdev)
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
{
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
	struct net_device *netdev = pci_get_drvdata(pdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
	struct e1000_adapter *adapter = netdev_priv(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
	e1000_init_manageability(adapter);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
	if (netif_running(netdev)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
		if (e1000_up(adapter)) {
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
			pr_info("can't bring device back up after reset\n");
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
			return;
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
		}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
	}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
	netif_device_attach(netdev);
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
}
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
6742f8751872 Added e1000 driver for kernel 3.0.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
/* e1000_main.c */