devices/e1000e/netdev-2.6.32-ethercat.c
author Andreas Stewering-Bone <ab@igh-essen.com>
Thu, 03 Mar 2011 09:05:40 +0100
branchredundancy
changeset 2316 93443c3be91c
parent 2136 729df853b3fb
child 2421 bc2d4bf9cbe5
child 2589 2b9c78543663
permissions -rw-r--r--
Add drivers for kernel 2.6.33
Thanks to
Dipl.-Inform. J?rgen Kunz
Technische Universit?t Darmstadt
for e100, e1000, r8169 driver
2136
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     1
/*******************************************************************************
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     2
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     3
  Intel PRO/1000 Linux driver
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     4
  Copyright(c) 1999 - 2008 Intel Corporation.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     5
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     6
  This program is free software; you can redistribute it and/or modify it
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     7
  under the terms and conditions of the GNU General Public License,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     8
  version 2, as published by the Free Software Foundation.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
     9
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    10
  This program is distributed in the hope it will be useful, but WITHOUT
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    11
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    12
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    13
  more details.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    14
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    15
  You should have received a copy of the GNU General Public License along with
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    16
  this program; if not, write to the Free Software Foundation, Inc.,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    17
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    18
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    19
  The full GNU General Public License is included in this distribution in
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    20
  the file called "COPYING".
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    21
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    22
  Contact Information:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    23
  Linux NICS <linux.nics@intel.com>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    24
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    25
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    26
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    27
*******************************************************************************/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    28
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    29
#include <linux/module.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    30
#include <linux/types.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    31
#include <linux/init.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    32
#include <linux/pci.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    33
#include <linux/vmalloc.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    34
#include <linux/pagemap.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    35
#include <linux/delay.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    36
#include <linux/netdevice.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    37
#include <linux/tcp.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    38
#include <linux/ipv6.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    39
#include <net/checksum.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    40
#include <net/ip6_checksum.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    41
#include <linux/mii.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    42
#include <linux/ethtool.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    43
#include <linux/if_vlan.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    44
#include <linux/cpu.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    45
#include <linux/smp.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    46
#include <linux/pm_qos_params.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    47
#include <linux/aer.h>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    48
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    49
#include "e1000-2.6.32-ethercat.h"
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    50
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    51
#define DRV_VERSION "1.0.2-k2(ethercat)"
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    52
char e1000e_driver_name[] = "ec_e1000e";
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    53
const char e1000e_driver_version[] = DRV_VERSION;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    54
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    55
static const struct e1000_info *e1000_info_tbl[] = {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    56
	[board_82571]		= &e1000_82571_info,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    57
	[board_82572]		= &e1000_82572_info,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    58
	[board_82573]		= &e1000_82573_info,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    59
	[board_82574]		= &e1000_82574_info,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    60
	[board_82583]		= &e1000_82583_info,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    61
	[board_80003es2lan]	= &e1000_es2_info,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    62
	[board_ich8lan]		= &e1000_ich8_info,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    63
	[board_ich9lan]		= &e1000_ich9_info,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    64
	[board_ich10lan]	= &e1000_ich10_info,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    65
	[board_pchlan]		= &e1000_pch_info,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    66
};
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    67
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    68
#ifdef DEBUG
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    69
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    70
 * e1000_get_hw_dev_name - return device name string
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    71
 * used by hardware layer to print debugging information
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    72
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    73
char *e1000e_get_hw_dev_name(struct e1000_hw *hw)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    74
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    75
	return hw->adapter->netdev->name;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    76
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    77
#endif
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    78
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    79
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    80
 * e1000_desc_unused - calculate if we have unused descriptors
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    81
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    82
static int e1000_desc_unused(struct e1000_ring *ring)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    83
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    84
	if (ring->next_to_clean > ring->next_to_use)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    85
		return ring->next_to_clean - ring->next_to_use - 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    86
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    87
	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    88
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    89
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    90
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    91
 * e1000_receive_skb - helper function to handle Rx indications
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    92
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    93
 * @status: descriptor status field as written by hardware
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    94
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    95
 * @skb: pointer to sk_buff to be indicated to stack
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    96
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    97
static void e1000_receive_skb(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    98
			      struct net_device *netdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
    99
			      struct sk_buff *skb,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   100
			      u8 status, __le16 vlan)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   101
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   102
	skb->protocol = eth_type_trans(skb, netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   103
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   104
	if (adapter->vlgrp && (status & E1000_RXD_STAT_VP))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   105
		vlan_gro_receive(&adapter->napi, adapter->vlgrp,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   106
				 le16_to_cpu(vlan), skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   107
	else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   108
		napi_gro_receive(&adapter->napi, skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   109
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   110
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   111
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   112
 * e1000_rx_checksum - Receive Checksum Offload for 82543
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   113
 * @adapter:     board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   114
 * @status_err:  receive descriptor status and error fields
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   115
 * @csum:	receive descriptor csum field
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   116
 * @sk_buff:     socket buffer with received data
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   117
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   118
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   119
			      u32 csum, struct sk_buff *skb)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   120
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   121
	u16 status = (u16)status_err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   122
	u8 errors = (u8)(status_err >> 24);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   123
	skb->ip_summed = CHECKSUM_NONE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   124
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   125
	/* Ignore Checksum bit is set */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   126
	if (status & E1000_RXD_STAT_IXSM)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   127
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   128
	/* TCP/UDP checksum error bit is set */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   129
	if (errors & E1000_RXD_ERR_TCPE) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   130
		/* let the stack verify checksum errors */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   131
		adapter->hw_csum_err++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   132
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   133
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   134
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   135
	/* TCP/UDP Checksum has not been calculated */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   136
	if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   137
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   138
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   139
	/* It must be a TCP or UDP packet with a valid checksum */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   140
	if (status & E1000_RXD_STAT_TCPCS) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   141
		/* TCP checksum is good */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   142
		skb->ip_summed = CHECKSUM_UNNECESSARY;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   143
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   144
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   145
		 * IP fragment with UDP payload
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   146
		 * Hardware complements the payload checksum, so we undo it
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   147
		 * and then put the value in host order for further stack use.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   148
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   149
		__sum16 sum = (__force __sum16)htons(csum);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   150
		skb->csum = csum_unfold(~sum);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   151
		skb->ip_summed = CHECKSUM_COMPLETE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   152
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   153
	adapter->hw_csum_good++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   154
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   155
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   156
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   157
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   158
 * @adapter: address of board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   159
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   160
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   161
				   int cleaned_count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   162
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   163
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   164
	struct pci_dev *pdev = adapter->pdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   165
	struct e1000_ring *rx_ring = adapter->rx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   166
	struct e1000_rx_desc *rx_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   167
	struct e1000_buffer *buffer_info;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   168
	struct sk_buff *skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   169
	unsigned int i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   170
	unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   171
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   172
	i = rx_ring->next_to_use;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   173
	buffer_info = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   174
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   175
	while (cleaned_count--) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   176
		skb = buffer_info->skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   177
		if (skb) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   178
			skb_trim(skb, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   179
			goto map_skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   180
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   181
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   182
		skb = netdev_alloc_skb(netdev, bufsz);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
		if (!skb) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   184
			/* Better luck next round */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   185
			adapter->alloc_rx_buff_failed++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
		 * Make buffer alignment 2 beyond a 16 byte boundary
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
		 * this will result in a 16 byte aligned IP header after
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
		 * the 14 byte MAC header is removed
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
		skb_reserve(skb, NET_IP_ALIGN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
		buffer_info->skb = skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
map_skb:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
		buffer_info->dma = pci_map_single(pdev, skb->data,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
						  adapter->rx_buffer_len,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
						  PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
		if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
			dev_err(&pdev->dev, "RX DMA map failed\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
			adapter->rx_dma_failed++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
		rx_desc = E1000_RX_DESC(*rx_ring, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
		i++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
		if (i == rx_ring->count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
			i = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
		buffer_info = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
	if (rx_ring->next_to_use != i) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
		rx_ring->next_to_use = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
		if (i-- == 0)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
			i = (rx_ring->count - 1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
		 * Force memory writes to complete before letting h/w
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
		 * know there are new descriptors to fetch.  (Only
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
		 * applicable for weak-ordered memory model archs,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
		 * such as IA-64).
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
		wmb();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
		writel(i, adapter->hw.hw_addr + rx_ring->tail);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
 * @adapter: address of board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
				      int cleaned_count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
	struct pci_dev *pdev = adapter->pdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
	union e1000_rx_desc_packet_split *rx_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
	struct e1000_ring *rx_ring = adapter->rx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
	struct e1000_buffer *buffer_info;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
	struct e1000_ps_page *ps_page;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
	struct sk_buff *skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
	unsigned int i, j;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
	i = rx_ring->next_to_use;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
	buffer_info = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
	while (cleaned_count--) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
			ps_page = &buffer_info->ps_pages[j];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
			if (j >= adapter->rx_ps_pages) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
				/* all unused desc entries get hw null ptr */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
				rx_desc->read.buffer_addr[j+1] = ~cpu_to_le64(0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
				continue;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
			if (!ps_page->page) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
				ps_page->page = alloc_page(GFP_ATOMIC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
				if (!ps_page->page) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
					adapter->alloc_rx_buff_failed++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
					goto no_buffers;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
				}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
				ps_page->dma = pci_map_page(pdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
						   ps_page->page,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
						   0, PAGE_SIZE,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
						   PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
				if (pci_dma_mapping_error(pdev, ps_page->dma)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
					dev_err(&adapter->pdev->dev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
					  "RX DMA page map failed\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
					adapter->rx_dma_failed++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
					goto no_buffers;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
				}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
			/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
			 * Refresh the desc even if buffer_addrs
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
			 * didn't change because each write-back
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
			 * erases this info.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
			 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
			rx_desc->read.buffer_addr[j+1] =
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
			     cpu_to_le64(ps_page->dma);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
		skb = netdev_alloc_skb(netdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
				       adapter->rx_ps_bsize0 + NET_IP_ALIGN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
		if (!skb) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
			adapter->alloc_rx_buff_failed++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
		 * Make buffer alignment 2 beyond a 16 byte boundary
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
		 * this will result in a 16 byte aligned IP header after
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
		 * the 14 byte MAC header is removed
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
		skb_reserve(skb, NET_IP_ALIGN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
		buffer_info->skb = skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
		buffer_info->dma = pci_map_single(pdev, skb->data,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
						  adapter->rx_ps_bsize0,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
						  PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
		if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
			dev_err(&pdev->dev, "RX DMA map failed\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
			adapter->rx_dma_failed++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
			/* cleanup skb */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
			dev_kfree_skb_any(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
			buffer_info->skb = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
		i++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
		if (i == rx_ring->count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
			i = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
		buffer_info = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
no_buffers:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
	if (rx_ring->next_to_use != i) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
		rx_ring->next_to_use = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
		if (!(i--))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
			i = (rx_ring->count - 1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		 * Force memory writes to complete before letting h/w
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		 * know there are new descriptors to fetch.  (Only
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
		 * applicable for weak-ordered memory model archs,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
		 * such as IA-64).
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
		wmb();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
		 * Hardware increments by 16 bytes, but packet split
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
		 * descriptors are 32 bytes...so we increment tail
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		 * twice as much.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
		writel(i<<1, adapter->hw.hw_addr + rx_ring->tail);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
 * @adapter: address of board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
 * @cleaned_count: number of buffers to allocate this pass
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
                                         int cleaned_count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
	struct pci_dev *pdev = adapter->pdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
	struct e1000_rx_desc *rx_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
	struct e1000_ring *rx_ring = adapter->rx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
	struct e1000_buffer *buffer_info;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
	struct sk_buff *skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
	unsigned int i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
	unsigned int bufsz = 256 -
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
	                     16 /* for skb_reserve */ -
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
	                     NET_IP_ALIGN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
	i = rx_ring->next_to_use;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
	buffer_info = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
	while (cleaned_count--) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
		skb = buffer_info->skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
		if (skb) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
			skb_trim(skb, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
			goto check_page;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
		skb = netdev_alloc_skb(netdev, bufsz);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
		if (unlikely(!skb)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
			/* Better luck next round */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
			adapter->alloc_rx_buff_failed++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
		/* Make buffer alignment 2 beyond a 16 byte boundary
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
		 * this will result in a 16 byte aligned IP header after
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
		 * the 14 byte MAC header is removed
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
		skb_reserve(skb, NET_IP_ALIGN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
		buffer_info->skb = skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
check_page:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
		/* allocate a new page if necessary */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
		if (!buffer_info->page) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
			buffer_info->page = alloc_page(GFP_ATOMIC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
			if (unlikely(!buffer_info->page)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
				adapter->alloc_rx_buff_failed++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
				break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
		if (!buffer_info->dma)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
			buffer_info->dma = pci_map_page(pdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
			                                buffer_info->page, 0,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
			                                PAGE_SIZE,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
			                                PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
		rx_desc = E1000_RX_DESC(*rx_ring, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
		if (unlikely(++i == rx_ring->count))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
			i = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
		buffer_info = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	if (likely(rx_ring->next_to_use != i)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
		rx_ring->next_to_use = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
		if (unlikely(i-- == 0))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
			i = (rx_ring->count - 1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
		/* Force memory writes to complete before letting h/w
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
		 * know there are new descriptors to fetch.  (Only
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
		 * applicable for weak-ordered memory model archs,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
		 * such as IA-64). */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
		wmb();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
		writel(i, adapter->hw.hw_addr + rx_ring->tail);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
 * the return value indicates whether actual cleaning was done, there
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
 * is no guarantee that everything was cleaned
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
			       int *work_done, int work_to_do)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	struct pci_dev *pdev = adapter->pdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
	struct e1000_ring *rx_ring = adapter->rx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	struct e1000_rx_desc *rx_desc, *next_rxd;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	struct e1000_buffer *buffer_info, *next_buffer;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
	u32 length;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	unsigned int i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
	int cleaned_count = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
	bool cleaned = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
	i = rx_ring->next_to_clean;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
	rx_desc = E1000_RX_DESC(*rx_ring, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
	buffer_info = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
	while (rx_desc->status & E1000_RXD_STAT_DD) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
		struct sk_buff *skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
		u8 status;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
		if (*work_done >= work_to_do)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
		(*work_done)++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
		status = rx_desc->status;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
		skb = buffer_info->skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
		if (!adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
			buffer_info->skb = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
		prefetch(skb->data - NET_IP_ALIGN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
		i++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
		if (i == rx_ring->count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
			i = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
		next_rxd = E1000_RX_DESC(*rx_ring, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
		prefetch(next_rxd);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		next_buffer = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		cleaned = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
		cleaned_count++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
		pci_unmap_single(pdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
				 buffer_info->dma,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
				 adapter->rx_buffer_len,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
				 PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
		buffer_info->dma = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
		length = le16_to_cpu(rx_desc->length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
		 * !EOP means multiple descriptors were used to store a single
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
		 * packet, if that's the case we need to toss it.  In fact, we
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
		 * need to toss every packet with the EOP bit clear and the
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
		 * next frame that _does_ have the EOP bit set, as it is by
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		 * definition only a frame fragment
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
			adapter->flags2 |= FLAG2_IS_DISCARDING;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
			/* All receives must fit into a single buffer */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
			e_dbg("%s: Receive packet consumed multiple buffers\n",
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
			      netdev->name);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
			/* recycle */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
			buffer_info->skb = skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
			if (status & E1000_RXD_STAT_EOP)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
			goto next_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
		if (!adapter->ecdev && (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
			/* recycle */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
			buffer_info->skb = skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
			goto next_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
		/* adjust length to remove Ethernet CRC */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
			length -= 4;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
		total_rx_bytes += length;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
		total_rx_packets++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
		 * code added for copybreak, this should improve
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
		 * performance for small packets with large amounts
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
		 * of reassembly being done in the stack
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
		if (!adapter->ecdev && length < copybreak) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
			struct sk_buff *new_skb =
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
			if (new_skb) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
				skb_reserve(new_skb, NET_IP_ALIGN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
				skb_copy_to_linear_data_offset(new_skb,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
							       -NET_IP_ALIGN,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
							       (skb->data -
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
								NET_IP_ALIGN),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
							       (length +
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
								NET_IP_ALIGN));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
				/* save the skb in buffer_info as good */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
				buffer_info->skb = skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
				skb = new_skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
			/* else just continue with the old one */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
		/* end copybreak code */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
		skb_put(skb, length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
		/* Receive Checksum Offload */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
		e1000_rx_checksum(adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
				  (u32)(status) |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
				  ((u32)(rx_desc->errors) << 24),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
				  le16_to_cpu(rx_desc->csum), skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
		if (adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
			ecdev_receive(adapter->ecdev, skb->data, length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
			adapter->ec_watchdog_jiffies = jiffies;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
		} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
			e1000_receive_skb(adapter, netdev, skb,status,rx_desc->special);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
next_desc:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
		rx_desc->status = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
		/* return some buffers to hardware, one at a time is too slow */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
			adapter->alloc_rx_buf(adapter, cleaned_count);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
			cleaned_count = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
		/* use prefetched values */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
		rx_desc = next_rxd;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
		buffer_info = next_buffer;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
	rx_ring->next_to_clean = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
	cleaned_count = e1000_desc_unused(rx_ring);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	if (cleaned_count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
		adapter->alloc_rx_buf(adapter, cleaned_count);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	adapter->total_rx_bytes += total_rx_bytes;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	adapter->total_rx_packets += total_rx_packets;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	adapter->net_stats.rx_bytes += total_rx_bytes;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	adapter->net_stats.rx_packets += total_rx_packets;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	return cleaned;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
static void e1000_put_txbuf(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
			     struct e1000_buffer *buffer_info)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	if (adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	buffer_info->dma = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	if (buffer_info->skb) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
		skb_dma_unmap(&adapter->pdev->dev, buffer_info->skb,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
		              DMA_TO_DEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
		dev_kfree_skb_any(buffer_info->skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
		buffer_info->skb = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	buffer_info->time_stamp = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
static void e1000_print_tx_hang(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	unsigned int i = tx_ring->next_to_clean;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	/* detected Tx unit hang */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	e_err("Detected Tx Unit Hang:\n"
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	      "  TDH                  <%x>\n"
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	      "  TDT                  <%x>\n"
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	      "  next_to_use          <%x>\n"
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	      "  next_to_clean        <%x>\n"
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	      "buffer_info[next_to_clean]:\n"
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	      "  time_stamp           <%lx>\n"
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	      "  next_to_watch        <%x>\n"
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	      "  jiffies              <%lx>\n"
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	      "  next_to_watch.status <%x>\n",
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	      readl(adapter->hw.hw_addr + tx_ring->head),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	      readl(adapter->hw.hw_addr + tx_ring->tail),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	      tx_ring->next_to_use,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	      tx_ring->next_to_clean,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	      tx_ring->buffer_info[eop].time_stamp,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	      eop,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	      jiffies,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	      eop_desc->upper.fields.status);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
 * the return value indicates whether actual cleaning was done, there
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
 * is no guarantee that everything was cleaned
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	struct e1000_tx_desc *tx_desc, *eop_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	struct e1000_buffer *buffer_info;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	unsigned int i, eop;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	unsigned int count = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	unsigned int total_tx_bytes = 0, total_tx_packets = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
	i = tx_ring->next_to_clean;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
	eop = tx_ring->buffer_info[i].next_to_watch;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
	       (count < tx_ring->count)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
		bool cleaned = false;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
		for (; !cleaned; count++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
			tx_desc = E1000_TX_DESC(*tx_ring, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
			buffer_info = &tx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
			cleaned = (i == eop);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
			if (cleaned) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
				struct sk_buff *skb = buffer_info->skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
				unsigned int segs, bytecount;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
				segs = skb_shinfo(skb)->gso_segs ?: 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
				/* multiply data chunks by size of headers */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
				bytecount = ((segs - 1) * skb_headlen(skb)) +
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
					    skb->len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
				total_tx_packets += segs;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
				total_tx_bytes += bytecount;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
			e1000_put_txbuf(adapter, buffer_info);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
			tx_desc->upper.data = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
			i++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
			if (i == tx_ring->count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
				i = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
		eop = tx_ring->buffer_info[i].next_to_watch;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	tx_ring->next_to_clean = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
#define TX_WAKE_THRESHOLD 32
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	if (!adapter->ecdev && count && netif_carrier_ok(netdev) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	    e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
		/* Make sure that anybody stopping the queue after this
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		 * sees the new next_to_clean.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		smp_mb();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
		if (netif_queue_stopped(netdev) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
		    !(test_bit(__E1000_DOWN, &adapter->state))) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
			netif_wake_queue(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
			++adapter->restart_queue;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	if (!adapter->ecdev && adapter->detect_tx_hung) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		/* Detect a transmit hang in hardware, this serializes the
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		 * check with the clearing of time_stamp and movement of i */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		adapter->detect_tx_hung = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		if (tx_ring->buffer_info[i].time_stamp &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
			       + (adapter->tx_timeout_factor * HZ))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
			e1000_print_tx_hang(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
			netif_stop_queue(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	adapter->total_tx_bytes += total_tx_bytes;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	adapter->total_tx_packets += total_tx_packets;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	adapter->net_stats.tx_bytes += total_tx_bytes;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	adapter->net_stats.tx_packets += total_tx_packets;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	return (count < tx_ring->count);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
 * the return value indicates whether actual cleaning was done, there
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
 * is no guarantee that everything was cleaned
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
				  int *work_done, int work_to_do)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	struct pci_dev *pdev = adapter->pdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	struct e1000_ring *rx_ring = adapter->rx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	struct e1000_buffer *buffer_info, *next_buffer;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	struct e1000_ps_page *ps_page;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	struct sk_buff *skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
	unsigned int i, j;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	u32 length, staterr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	int cleaned_count = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	bool cleaned = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	i = rx_ring->next_to_clean;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
	buffer_info = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
	while (staterr & E1000_RXD_STAT_DD) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
		if (*work_done >= work_to_do)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
		(*work_done)++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
		skb = buffer_info->skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
		/* in the packet split case this is header only */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
		prefetch(skb->data - NET_IP_ALIGN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
		i++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
		if (i == rx_ring->count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
			i = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
		prefetch(next_rxd);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
		next_buffer = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
		cleaned = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
		cleaned_count++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
		pci_unmap_single(pdev, buffer_info->dma,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
				 adapter->rx_ps_bsize0,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
				 PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
		buffer_info->dma = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
		/* see !EOP comment in other rx routine */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
		if (!(staterr & E1000_RXD_STAT_EOP))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
			adapter->flags2 |= FLAG2_IS_DISCARDING;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
			e_dbg("%s: Packet Split buffers didn't pick up the "
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
			      "full packet\n", netdev->name);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
			if (!adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
				dev_kfree_skb_irq(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
			if (staterr & E1000_RXD_STAT_EOP)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
			goto next_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
		if (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
			if (!adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
				dev_kfree_skb_irq(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
			goto next_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
		length = le16_to_cpu(rx_desc->wb.middle.length0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
		if (!length) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
			e_dbg("%s: Last part of the packet spanning multiple "
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
			      "descriptors\n", netdev->name);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
			if (!adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
				dev_kfree_skb_irq(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
			goto next_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
		/* Good Receive */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
		skb_put(skb, length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
		{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
		 * this looks ugly, but it seems compiler issues make it
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
		 * more efficient than reusing j
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
		 * page alloc/put takes too long and effects small packet
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
		 * throughput, so unsplit small packets and save the alloc/put
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
		 * only valid in softirq (napi) context to call kmap_*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
		if (l1 && (l1 <= copybreak) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
		    ((length + l1) <= adapter->rx_ps_bsize0)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
			u8 *vaddr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
			ps_page = &buffer_info->ps_pages[0];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
			/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
			 * there is no documentation about how to call
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
			 * kmap_atomic, so we can't hold the mapping
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
			 * very long
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
			 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
			pci_dma_sync_single_for_cpu(pdev, ps_page->dma,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
			vaddr = kmap_atomic(ps_page->page, KM_SKB_DATA_SOFTIRQ);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
			memcpy(skb_tail_pointer(skb), vaddr, l1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
			pci_dma_sync_single_for_device(pdev, ps_page->dma,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
			/* remove the CRC */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
			if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
				l1 -= 4;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
			skb_put(skb, l1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
			goto copydone;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
		} /* if */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
			length = le16_to_cpu(rx_desc->wb.upper.length[j]);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
			if (!length)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
				break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
			ps_page = &buffer_info->ps_pages[j];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
			pci_unmap_page(pdev, ps_page->dma, PAGE_SIZE,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
				       PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
			ps_page->dma = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
			skb_fill_page_desc(skb, j, ps_page->page, 0, length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
			ps_page->page = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
			skb->len += length;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
			skb->data_len += length;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
			skb->truesize += length;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
		/* strip the ethernet crc, problem is we're using pages now so
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		 * this whole operation can get a little cpu intensive
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
			pskb_trim(skb, skb->len - 4);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
copydone:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
		total_rx_bytes += skb->len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
		total_rx_packets++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		e1000_rx_checksum(adapter, staterr, le16_to_cpu(
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
			rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
		if (rx_desc->wb.upper.header_status &
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
			adapter->rx_hdr_split++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		if (adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
			ecdev_receive(adapter->ecdev, skb->data, length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
			adapter->ec_watchdog_jiffies = jiffies;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
		} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
			e1000_receive_skb(adapter, netdev, skb,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
					  staterr, rx_desc->wb.middle.vlan);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
next_desc:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
		if (!adapter->ecdev) buffer_info->skb = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
		/* return some buffers to hardware, one at a time is too slow */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
			adapter->alloc_rx_buf(adapter, cleaned_count);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
			cleaned_count = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
		/* use prefetched values */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		rx_desc = next_rxd;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
		buffer_info = next_buffer;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	rx_ring->next_to_clean = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	cleaned_count = e1000_desc_unused(rx_ring);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	if (cleaned_count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
		adapter->alloc_rx_buf(adapter, cleaned_count);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	adapter->total_rx_bytes += total_rx_bytes;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	adapter->total_rx_packets += total_rx_packets;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	adapter->net_stats.rx_bytes += total_rx_bytes;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	adapter->net_stats.rx_packets += total_rx_packets;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	return cleaned;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
 * e1000_consume_page - helper function
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
                               u16 length)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	bi->page = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	skb->len += length;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	skb->data_len += length;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	skb->truesize += length;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
 * the return value indicates whether actual cleaning was done, there
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
 * is no guarantee that everything was cleaned
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
                                     int *work_done, int work_to_do)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	struct pci_dev *pdev = adapter->pdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	struct e1000_ring *rx_ring = adapter->rx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	struct e1000_rx_desc *rx_desc, *next_rxd;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	struct e1000_buffer *buffer_info, *next_buffer;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	u32 length;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	unsigned int i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	int cleaned_count = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	bool cleaned = false;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	unsigned int total_rx_bytes=0, total_rx_packets=0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	i = rx_ring->next_to_clean;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	rx_desc = E1000_RX_DESC(*rx_ring, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	buffer_info = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	while (rx_desc->status & E1000_RXD_STAT_DD) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
		struct sk_buff *skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
		u8 status;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
		if (*work_done >= work_to_do)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
		(*work_done)++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
		status = rx_desc->status;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
		skb = buffer_info->skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
		if (!adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
			buffer_info->skb = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
		++i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
		if (i == rx_ring->count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
			i = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
		next_rxd = E1000_RX_DESC(*rx_ring, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
		prefetch(next_rxd);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
		next_buffer = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
		cleaned = true;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
		cleaned_count++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
		pci_unmap_page(pdev, buffer_info->dma, PAGE_SIZE,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
		               PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
		buffer_info->dma = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
		length = le16_to_cpu(rx_desc->length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
		/* errors is only valid for DD + EOP descriptors */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
		if (!adapter->ecdev && unlikely((status & E1000_RXD_STAT_EOP) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
				/* recycle both page and skb */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
				buffer_info->skb = skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
				/* an error means any chain goes out the window
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
				 * too */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
				if (rx_ring->rx_skb_top)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
					dev_kfree_skb(rx_ring->rx_skb_top);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
				rx_ring->rx_skb_top = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
				goto next_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
#define rxtop rx_ring->rx_skb_top
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
		if (!(status & E1000_RXD_STAT_EOP)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
			/* this descriptor is only the beginning (or middle) */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
			if (!rxtop) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
				/* this is the beginning of a chain */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
				rxtop = skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
				                   0, length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
			} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
				/* this is the middle of a chain */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
				skb_fill_page_desc(rxtop,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
				    skb_shinfo(rxtop)->nr_frags,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
				    buffer_info->page, 0, length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
				/* re-use the skb, only consumed the page */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
				buffer_info->skb = skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
			e1000_consume_page(buffer_info, rxtop, length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
			goto next_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
		} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
			if (rxtop) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
				/* end of the chain */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
				skb_fill_page_desc(rxtop,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
				    skb_shinfo(rxtop)->nr_frags,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
				    buffer_info->page, 0, length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
				/* re-use the current skb, we only consumed the
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
				 * page */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
				buffer_info->skb = skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
				skb = rxtop;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
				rxtop = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
				e1000_consume_page(buffer_info, skb, length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
			} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
				/* no chain, got EOP, this buf is the packet
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
				 * copybreak to save the put_page/alloc_page */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
				if (length <= copybreak &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
				    skb_tailroom(skb) >= length) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
					u8 *vaddr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
					vaddr = kmap_atomic(buffer_info->page,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
					                   KM_SKB_DATA_SOFTIRQ);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
					memcpy(skb_tail_pointer(skb), vaddr,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
					       length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
					kunmap_atomic(vaddr,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
					              KM_SKB_DATA_SOFTIRQ);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
					/* re-use the page, so don't erase
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
					 * buffer_info->page */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
					skb_put(skb, length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
				} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
					skb_fill_page_desc(skb, 0,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
					                   buffer_info->page, 0,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
				                           length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
					e1000_consume_page(buffer_info, skb,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
					                   length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
				}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		e1000_rx_checksum(adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		                  (u32)(status) |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		                  ((u32)(rx_desc->errors) << 24),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		                  le16_to_cpu(rx_desc->csum), skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
		/* probably a little skewed due to removing CRC */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		total_rx_bytes += skb->len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
		total_rx_packets++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
		/* eth type trans needs skb->data to point to something */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		if (!adapter->ecdev && !pskb_may_pull(skb, ETH_HLEN)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
			e_err("pskb_may_pull failed.\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
			dev_kfree_skb(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
			goto next_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
		if (adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
			ecdev_receive(adapter->ecdev, skb->data, length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
			adapter->ec_watchdog_jiffies = jiffies;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
		} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
			e1000_receive_skb(adapter, netdev, skb, status,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
			                  rx_desc->special);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
next_desc:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
		rx_desc->status = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
		/* return some buffers to hardware, one at a time is too slow */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
			adapter->alloc_rx_buf(adapter, cleaned_count);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
			cleaned_count = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
		/* use prefetched values */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
		rx_desc = next_rxd;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
		buffer_info = next_buffer;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	rx_ring->next_to_clean = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	cleaned_count = e1000_desc_unused(rx_ring);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	if (cleaned_count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
		adapter->alloc_rx_buf(adapter, cleaned_count);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	adapter->total_rx_bytes += total_rx_bytes;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	adapter->total_rx_packets += total_rx_packets;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	adapter->net_stats.rx_bytes += total_rx_bytes;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	adapter->net_stats.rx_packets += total_rx_packets;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	return cleaned;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
static void e1000_clean_rx_ring(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	struct e1000_ring *rx_ring = adapter->rx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	struct e1000_buffer *buffer_info;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	struct e1000_ps_page *ps_page;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	struct pci_dev *pdev = adapter->pdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	unsigned int i, j;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	/* Free all the Rx ring sk_buffs */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	for (i = 0; i < rx_ring->count; i++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
		buffer_info = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
		if (buffer_info->dma) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
			if (adapter->clean_rx == e1000_clean_rx_irq)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
				pci_unmap_single(pdev, buffer_info->dma,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
						 adapter->rx_buffer_len,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
						 PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
			else if (adapter->clean_rx == e1000_clean_jumbo_rx_irq)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
				pci_unmap_page(pdev, buffer_info->dma,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
				               PAGE_SIZE,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
				               PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
			else if (adapter->clean_rx == e1000_clean_rx_irq_ps)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
				pci_unmap_single(pdev, buffer_info->dma,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
						 adapter->rx_ps_bsize0,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
						 PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
			buffer_info->dma = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
		if (buffer_info->page) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
			put_page(buffer_info->page);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
			buffer_info->page = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		if (buffer_info->skb) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
			dev_kfree_skb(buffer_info->skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
			buffer_info->skb = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
			ps_page = &buffer_info->ps_pages[j];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
			if (!ps_page->page)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
				break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
			pci_unmap_page(pdev, ps_page->dma, PAGE_SIZE,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
				       PCI_DMA_FROMDEVICE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
			ps_page->dma = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
			put_page(ps_page->page);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
			ps_page->page = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
	/* there also may be some cached data from a chained receive */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	if (rx_ring->rx_skb_top) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		dev_kfree_skb(rx_ring->rx_skb_top);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		rx_ring->rx_skb_top = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
	/* Zero out the descriptor ring */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
	memset(rx_ring->desc, 0, rx_ring->size);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
	rx_ring->next_to_clean = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	rx_ring->next_to_use = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
	writel(0, adapter->hw.hw_addr + rx_ring->head);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	writel(0, adapter->hw.hw_addr + rx_ring->tail);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
static void e1000e_downshift_workaround(struct work_struct *work)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	struct e1000_adapter *adapter = container_of(work,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
					struct e1000_adapter, downshift_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
 * e1000_intr_msi - Interrupt Handler
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
 * @irq: interrupt number
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
 * @data: pointer to a network interface device structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
static irqreturn_t e1000_intr_msi(int irq, void *data)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	struct net_device *netdev = data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
	u32 icr = er32(ICR);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
 	if (adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
 		int ec_work_done = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
 		adapter->clean_rx(adapter, &ec_work_done, 100);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
 		e1000_clean_tx_irq(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
		return IRQ_HANDLED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	 * read ICR disables interrupts using IAM
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
	if (icr & E1000_ICR_LSC) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
		hw->mac.get_link_status = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
		 * ICH8 workaround-- Call gig speed drop workaround on cable
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
		 * disconnect (LSC) before accessing any PHY registers
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
		    (!(er32(STATUS) & E1000_STATUS_LU)))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
			schedule_work(&adapter->downshift_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		 * 80003ES2LAN workaround-- For packet buffer work-around on
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		 * link down event; disable receives here in the ISR and reset
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
		 * adapter in watchdog
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		if (netif_carrier_ok(netdev) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		    adapter->flags & FLAG_RX_NEEDS_RESTART) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
			/* disable receives */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
			u32 rctl = er32(RCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
			adapter->flags |= FLAG_RX_RESTART_NOW;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		/* guard against interrupt when we're going down */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
		if (!test_bit(__E1000_DOWN, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
	if (napi_schedule_prep(&adapter->napi)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
		adapter->total_tx_bytes = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
		adapter->total_tx_packets = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
		adapter->total_rx_bytes = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
		adapter->total_rx_packets = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
		__napi_schedule(&adapter->napi);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
	return IRQ_HANDLED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
 * e1000_intr - Interrupt Handler
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
 * @irq: interrupt number
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
 * @data: pointer to a network interface device structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
static irqreturn_t e1000_intr(int irq, void *data)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	struct net_device *netdev = data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	u32 rctl, icr = er32(ICR);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	if (!icr)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
		return IRQ_NONE;  /* Not our interrupt */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	 * IMS will not auto-mask if INT_ASSERTED is not set, and if it is
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	 * not set, then the adapter didn't send an interrupt
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	if (!adapter->ecdev && !(icr & E1000_ICR_INT_ASSERTED))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
		return IRQ_NONE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	 * Interrupt Auto-Mask...upon reading ICR,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
	 * interrupts are masked.  No need for the
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
	 * IMC write
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
	if (!adapter->ecdev && (icr & E1000_ICR_LSC)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
		hw->mac.get_link_status = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
		 * ICH8 workaround-- Call gig speed drop workaround on cable
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
		 * disconnect (LSC) before accessing any PHY registers
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
		    (!(er32(STATUS) & E1000_STATUS_LU)))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
			schedule_work(&adapter->downshift_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
		 * 80003ES2LAN workaround--
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
		 * For packet buffer work-around on link down event;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
		 * disable receives here in the ISR and
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
		 * reset adapter in watchdog
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
		if (netif_carrier_ok(netdev) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
		    (adapter->flags & FLAG_RX_NEEDS_RESTART)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
			/* disable receives */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
			rctl = er32(RCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
			adapter->flags |= FLAG_RX_RESTART_NOW;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
		/* guard against interrupt when we're going down */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
		if (!test_bit(__E1000_DOWN, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
 	if (adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
 		int ec_work_done = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
 		adapter->clean_rx(adapter, &ec_work_done, 100);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
 		e1000_clean_tx_irq(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
		return IRQ_HANDLED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
	if (napi_schedule_prep(&adapter->napi)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
		adapter->total_tx_bytes = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
		adapter->total_tx_packets = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
		adapter->total_rx_bytes = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
		adapter->total_rx_packets = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
		__napi_schedule(&adapter->napi);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	return IRQ_HANDLED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
static irqreturn_t e1000_msix_other(int irq, void *data)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
	struct net_device *netdev = data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
	u32 icr = er32(ICR);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
	if (!(icr & E1000_ICR_INT_ASSERTED)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
		if (!test_bit(__E1000_DOWN, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
			ew32(IMS, E1000_IMS_OTHER);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
		return IRQ_NONE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	if (icr & adapter->eiac_mask)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
		ew32(ICS, (icr & adapter->eiac_mask));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	if (icr & E1000_ICR_OTHER) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
		if (!(icr & E1000_ICR_LSC))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
			goto no_link_interrupt;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
		hw->mac.get_link_status = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
		/* guard against interrupt when we're going down */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
no_link_interrupt:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	if (!test_bit(__E1000_DOWN, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
		ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	return IRQ_HANDLED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	struct net_device *netdev = data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	adapter->total_tx_bytes = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
	adapter->total_tx_packets = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	if (!e1000_clean_tx_irq(adapter))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
		/* Ring was not completely cleaned, so fire another interrupt */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
		ew32(ICS, tx_ring->ims_val);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
	return IRQ_HANDLED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	struct net_device *netdev = data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
	/* Write the ITR value calculated at the end of the
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
	 * previous interrupt.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
	if (adapter->rx_ring->set_itr) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
		writel(1000000000 / (adapter->rx_ring->itr_val * 256),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
		       adapter->hw.hw_addr + adapter->rx_ring->itr_register);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
		adapter->rx_ring->set_itr = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
 	if (adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
 		int ec_work_done = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
 		adapter->clean_rx(adapter, &ec_work_done, 100);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
		if (napi_schedule_prep(&adapter->napi)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
			adapter->total_rx_bytes = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
			adapter->total_rx_packets = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
			__napi_schedule(&adapter->napi);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	return IRQ_HANDLED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
 * e1000_configure_msix - Configure MSI-X hardware
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
 * e1000_configure_msix sets up the hardware to properly
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
 * generate MSI-X interrupts.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
static void e1000_configure_msix(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	struct e1000_ring *rx_ring = adapter->rx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	int vector = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	u32 ctrl_ext, ivar = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
	adapter->eiac_mask = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	/* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
	if (hw->mac.type == e1000_82574) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		u32 rfctl = er32(RFCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
		rfctl |= E1000_RFCTL_ACK_DIS;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
		ew32(RFCTL, rfctl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
#define E1000_IVAR_INT_ALLOC_VALID	0x8
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	/* Configure Rx vector */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	rx_ring->ims_val = E1000_IMS_RXQ0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	adapter->eiac_mask |= rx_ring->ims_val;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	if (rx_ring->itr_val)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
		writel(1000000000 / (rx_ring->itr_val * 256),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		       hw->hw_addr + rx_ring->itr_register);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
	else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
		writel(1, hw->hw_addr + rx_ring->itr_register);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
	ivar = E1000_IVAR_INT_ALLOC_VALID | vector;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	/* Configure Tx vector */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	tx_ring->ims_val = E1000_IMS_TXQ0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
	vector++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	if (tx_ring->itr_val)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
		writel(1000000000 / (tx_ring->itr_val * 256),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
		       hw->hw_addr + tx_ring->itr_register);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
	else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
		writel(1, hw->hw_addr + tx_ring->itr_register);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
	adapter->eiac_mask |= tx_ring->ims_val;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	/* set vector for Other Causes, e.g. link changes */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	vector++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	if (rx_ring->itr_val)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
		writel(1000000000 / (rx_ring->itr_val * 256),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
		       hw->hw_addr + E1000_EITR_82574(vector));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
		writel(1, hw->hw_addr + E1000_EITR_82574(vector));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	/* Cause Tx interrupts on every write back */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	ivar |= (1 << 31);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	ew32(IVAR, ivar);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
	/* enable MSI-X PBA support */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	ctrl_ext = er32(CTRL_EXT);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
	/* Auto-Mask Other interrupts upon ICR read */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
#define E1000_EIAC_MASK_82574   0x01F00000
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	ctrl_ext |= E1000_CTRL_EXT_EIAME;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	ew32(CTRL_EXT, ctrl_ext);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	e1e_flush();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
	if (adapter->msix_entries) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
		pci_disable_msix(adapter->pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		kfree(adapter->msix_entries);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
		adapter->msix_entries = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	} else if (adapter->flags & FLAG_MSI_ENABLED) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
		pci_disable_msi(adapter->pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
		adapter->flags &= ~FLAG_MSI_ENABLED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
 * e1000e_set_interrupt_capability - set MSI or MSI-X if supported
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
 * Attempt to configure interrupts using the best available
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
 * capabilities of the hardware and kernel.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
	int err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	int numvecs, i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
	switch (adapter->int_mode) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	case E1000E_INT_MODE_MSIX:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
		if (adapter->flags & FLAG_HAS_MSIX) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
			numvecs = 3; /* RxQ0, TxQ0 and other */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
			adapter->msix_entries = kcalloc(numvecs,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
						      sizeof(struct msix_entry),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
						      GFP_KERNEL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
			if (adapter->msix_entries) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
				for (i = 0; i < numvecs; i++)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
					adapter->msix_entries[i].entry = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
				err = pci_enable_msix(adapter->pdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
						      adapter->msix_entries,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
						      numvecs);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
				if (err == 0)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
					return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
			/* MSI-X failed, so fall through and try MSI */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
			e_err("Failed to initialize MSI-X interrupts.  "
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
			      "Falling back to MSI interrupts.\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
			e1000e_reset_interrupt_capability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		adapter->int_mode = E1000E_INT_MODE_MSI;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
		/* Fall through */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
	case E1000E_INT_MODE_MSI:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
		if (!pci_enable_msi(adapter->pdev)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
			adapter->flags |= FLAG_MSI_ENABLED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
		} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
			adapter->int_mode = E1000E_INT_MODE_LEGACY;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
			e_err("Failed to initialize MSI interrupts.  Falling "
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
			      "back to legacy interrupts.\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
		/* Fall through */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
	case E1000E_INT_MODE_LEGACY:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
		/* Don't do anything; this is the system default */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
	return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
 * e1000_request_msix - Initialize MSI-X interrupts
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
 * e1000_request_msix allocates MSI-X vectors and requests interrupts from the
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
 * kernel.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
static int e1000_request_msix(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	int err = 0, vector = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		sprintf(adapter->rx_ring->name, "%s-rx-0", netdev->name);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
	err = request_irq(adapter->msix_entries[vector].vector,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
			  &e1000_intr_msix_rx, 0, adapter->rx_ring->name,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
			  netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
		goto out;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
	adapter->rx_ring->itr_register = E1000_EITR_82574(vector);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
	adapter->rx_ring->itr_val = adapter->itr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
	vector++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
		sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	err = request_irq(adapter->msix_entries[vector].vector,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
			  &e1000_intr_msix_tx, 0, adapter->tx_ring->name,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
			  netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
		goto out;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
	adapter->tx_ring->itr_register = E1000_EITR_82574(vector);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	adapter->tx_ring->itr_val = adapter->itr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	vector++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	err = request_irq(adapter->msix_entries[vector].vector,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
			  &e1000_msix_other, 0, netdev->name, netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		goto out;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
	e1000_configure_msix(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
out:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
 * e1000_request_irq - initialize interrupts
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
 * Attempts to configure interrupts using the best available
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
 * capabilities of the hardware and kernel.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
static int e1000_request_irq(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	int err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
	if (adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
		return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
	if (adapter->msix_entries) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
		err = e1000_request_msix(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
		if (!err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
			return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
		/* fall back to MSI */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
		e1000e_reset_interrupt_capability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
		adapter->int_mode = E1000E_INT_MODE_MSI;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		e1000e_set_interrupt_capability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
	if (adapter->flags & FLAG_MSI_ENABLED) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
		err = request_irq(adapter->pdev->irq, &e1000_intr_msi, 0,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
				  netdev->name, netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		if (!err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
			return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
		/* fall back to legacy interrupt */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
		e1000e_reset_interrupt_capability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	err = request_irq(adapter->pdev->irq, &e1000_intr, IRQF_SHARED,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
			  netdev->name, netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
		e_err("Unable to allocate interrupt, Error: %d\n", err);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
static void e1000_free_irq(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	if (adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
	if (adapter->msix_entries) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
		int vector = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
		free_irq(adapter->msix_entries[vector].vector, netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
		vector++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		free_irq(adapter->msix_entries[vector].vector, netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		vector++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
		/* Other Causes interrupt vector */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
		free_irq(adapter->msix_entries[vector].vector, netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
	free_irq(adapter->pdev->irq, netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
 * e1000_irq_disable - Mask off interrupt generation on the NIC
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
static void e1000_irq_disable(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
	if (adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
	ew32(IMC, ~0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
	if (adapter->msix_entries)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		ew32(EIAC_82574, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
	e1e_flush();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
	synchronize_irq(adapter->pdev->irq);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
 * e1000_irq_enable - Enable default interrupt generation settings
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
static void e1000_irq_enable(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
	if (adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
	if (adapter->msix_entries) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
		ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
		ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
		ew32(IMS, IMS_ENABLE_MASK);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	e1e_flush();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
 * e1000_get_hw_control - get control of the h/w from f/w
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
 * @adapter: address of board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
 * e1000_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
 * For ASF and Pass Through versions of f/w this means that
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
 * the driver is loaded. For AMT version (only with 82573)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
 * of the f/w this means that the network i/f is open.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
static void e1000_get_hw_control(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	u32 ctrl_ext;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
	u32 swsm;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	/* Let firmware know the driver has taken over */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
		swsm = er32(SWSM);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
		ctrl_ext = er32(CTRL_EXT);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
 * e1000_release_hw_control - release control of the h/w to f/w
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
 * @adapter: address of board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
 * e1000_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
 * For ASF and Pass Through versions of f/w this means that the
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
 * driver is no longer loaded. For AMT version (only with 82573) i
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
 * of the f/w this means that the network i/f is closed.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
static void e1000_release_hw_control(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	u32 ctrl_ext;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	u32 swsm;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	/* Let firmware taken over control of h/w */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		swsm = er32(SWSM);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
		ctrl_ext = er32(CTRL_EXT);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
 * @e1000_alloc_ring - allocate memory for a ring structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
				struct e1000_ring *ring)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	struct pci_dev *pdev = adapter->pdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
	ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
					GFP_KERNEL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
	if (!ring->desc)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		return -ENOMEM;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
 * e1000e_setup_tx_resources - allocate Tx resources (Descriptors)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
 * Return 0 on success, negative on failure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	int err = -ENOMEM, size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
	size = sizeof(struct e1000_buffer) * tx_ring->count;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	tx_ring->buffer_info = vmalloc(size);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	if (!tx_ring->buffer_info)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
		goto err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
	memset(tx_ring->buffer_info, 0, size);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
	/* round up to nearest 4K */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	tx_ring->size = ALIGN(tx_ring->size, 4096);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
	err = e1000_alloc_ring_dma(adapter, tx_ring);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		goto err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
	tx_ring->next_to_use = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
	tx_ring->next_to_clean = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
err:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
	vfree(tx_ring->buffer_info);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
 * e1000e_setup_rx_resources - allocate Rx resources (Descriptors)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
 * Returns 0 on success, negative on failure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
int e1000e_setup_rx_resources(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
	struct e1000_ring *rx_ring = adapter->rx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
	struct e1000_buffer *buffer_info;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
	int i, size, desc_len, err = -ENOMEM;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
	size = sizeof(struct e1000_buffer) * rx_ring->count;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	rx_ring->buffer_info = vmalloc(size);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	if (!rx_ring->buffer_info)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
		goto err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
	memset(rx_ring->buffer_info, 0, size);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
	for (i = 0; i < rx_ring->count; i++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
		buffer_info = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
		buffer_info->ps_pages = kcalloc(PS_PAGE_BUFFERS,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
						sizeof(struct e1000_ps_page),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
						GFP_KERNEL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
		if (!buffer_info->ps_pages)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
			goto err_pages;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	desc_len = sizeof(union e1000_rx_desc_packet_split);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
	/* Round up to nearest 4K */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	rx_ring->size = rx_ring->count * desc_len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
	rx_ring->size = ALIGN(rx_ring->size, 4096);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
	err = e1000_alloc_ring_dma(adapter, rx_ring);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		goto err_pages;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	rx_ring->next_to_clean = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	rx_ring->next_to_use = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
	rx_ring->rx_skb_top = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
err_pages:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
	for (i = 0; i < rx_ring->count; i++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
		buffer_info = &rx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
		kfree(buffer_info->ps_pages);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
err:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
	vfree(rx_ring->buffer_info);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
	return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
 * e1000_clean_tx_ring - Free Tx Buffers
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
static void e1000_clean_tx_ring(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
	struct e1000_buffer *buffer_info;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	unsigned long size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
	unsigned int i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
	for (i = 0; i < tx_ring->count; i++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
		buffer_info = &tx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
		e1000_put_txbuf(adapter, buffer_info);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
	size = sizeof(struct e1000_buffer) * tx_ring->count;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
	memset(tx_ring->buffer_info, 0, size);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
	memset(tx_ring->desc, 0, tx_ring->size);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
	tx_ring->next_to_use = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	tx_ring->next_to_clean = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	writel(0, adapter->hw.hw_addr + tx_ring->head);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	writel(0, adapter->hw.hw_addr + tx_ring->tail);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
 * e1000e_free_tx_resources - Free Tx Resources per Queue
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
 * Free all transmit software resources
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
void e1000e_free_tx_resources(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	struct pci_dev *pdev = adapter->pdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	e1000_clean_tx_ring(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
	vfree(tx_ring->buffer_info);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	tx_ring->buffer_info = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
			  tx_ring->dma);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
	tx_ring->desc = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
 * e1000e_free_rx_resources - Free Rx Resources
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
 * Free all receive software resources
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
void e1000e_free_rx_resources(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
	struct pci_dev *pdev = adapter->pdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	struct e1000_ring *rx_ring = adapter->rx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	int i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
	e1000_clean_rx_ring(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
	for (i = 0; i < rx_ring->count; i++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
		kfree(rx_ring->buffer_info[i].ps_pages);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	vfree(rx_ring->buffer_info);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
	rx_ring->buffer_info = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
			  rx_ring->dma);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	rx_ring->desc = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
 * e1000_update_itr - update the dynamic ITR value based on statistics
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
 * @adapter: pointer to adapter
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
 * @itr_setting: current adapter->itr
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
 * @packets: the number of packets during this measurement interval
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
 * @bytes: the number of bytes during this measurement interval
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
 *      Stores a new ITR value based on packets and byte
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
 *      counts during the last interrupt.  The advantage of per interrupt
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
 *      computation is faster updates and more accurate ITR for the current
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
 *      traffic pattern.  Constants in this function were computed
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
 *      based on theoretical maximum wire speed and thresholds were set based
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
 *      on testing data as well as attempting to minimize response time
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
 *      while increasing bulk throughput.  This functionality is controlled
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
 *      by the InterruptThrottleRate module parameter.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
				     u16 itr_setting, int packets,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
				     int bytes)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	unsigned int retval = itr_setting;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	if (packets == 0)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
		goto update_itr_done;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
	switch (itr_setting) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	case lowest_latency:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
		/* handle TSO and jumbo frames */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		if (bytes/packets > 8000)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
			retval = bulk_latency;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
		else if ((packets < 5) && (bytes > 512)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
			retval = low_latency;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
	case low_latency:  /* 50 usec aka 20000 ints/s */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
		if (bytes > 10000) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
			/* this if handles the TSO accounting */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
			if (bytes/packets > 8000) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
				retval = bulk_latency;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
			} else if ((packets < 10) || ((bytes/packets) > 1200)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
				retval = bulk_latency;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
			} else if ((packets > 35)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
				retval = lowest_latency;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
		} else if (bytes/packets > 2000) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
			retval = bulk_latency;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
		} else if (packets <= 2 && bytes < 512) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
			retval = lowest_latency;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
	case bulk_latency: /* 250 usec aka 4000 ints/s */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
		if (bytes > 25000) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
			if (packets > 35) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
				retval = low_latency;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
		} else if (bytes < 6000) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
			retval = low_latency;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
update_itr_done:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
	return retval;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
static void e1000_set_itr(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	u16 current_itr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	u32 new_itr = adapter->itr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
	if (adapter->link_speed != SPEED_1000) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
		current_itr = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
		new_itr = 4000;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		goto set_itr_now;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
	adapter->tx_itr = e1000_update_itr(adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
				    adapter->tx_itr,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
				    adapter->total_tx_packets,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
				    adapter->total_tx_bytes);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
		adapter->tx_itr = low_latency;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
	adapter->rx_itr = e1000_update_itr(adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
				    adapter->rx_itr,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
				    adapter->total_rx_packets,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
				    adapter->total_rx_bytes);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
		adapter->rx_itr = low_latency;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	switch (current_itr) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	/* counts and packets in update_itr are dependent on these numbers */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	case lowest_latency:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		new_itr = 70000;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
	case low_latency:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		new_itr = 20000; /* aka hwitr = ~200 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
	case bulk_latency:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
		new_itr = 4000;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
	default:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
set_itr_now:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	if (new_itr != adapter->itr) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
		 * this attempts to bias the interrupt rate towards Bulk
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
		 * by adding intermediate steps when interrupt rate is
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
		 * increasing
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
		new_itr = new_itr > adapter->itr ?
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
			     min(adapter->itr + (new_itr >> 2), new_itr) :
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
			     new_itr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
		adapter->itr = new_itr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
		adapter->rx_ring->itr_val = new_itr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
		if (adapter->msix_entries)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
			adapter->rx_ring->set_itr = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
		else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
			ew32(ITR, 1000000000 / (new_itr * 256));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
 * e1000_alloc_queues - Allocate memory for all rings
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
 * @adapter: board private structure to initialize
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
	adapter->tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	if (!adapter->tx_ring)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
		goto err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	adapter->rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
	if (!adapter->rx_ring)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
		goto err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
err:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	e_err("Unable to allocate memory for queues\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
	kfree(adapter->rx_ring);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
	kfree(adapter->tx_ring);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	return -ENOMEM;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
 * e1000_clean - NAPI Rx polling callback
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
 * @napi: struct associated with this polling callback
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
 * @budget: amount of packets driver is allowed to process this poll
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
static int e1000_clean(struct napi_struct *napi, int budget)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	struct net_device *poll_dev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	int tx_cleaned = 1, work_done = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	adapter = netdev_priv(poll_dev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
	if (adapter->msix_entries &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	    !(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		goto clean_rx;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
	tx_cleaned = e1000_clean_tx_irq(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
clean_rx:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
	adapter->clean_rx(adapter, &work_done, budget);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	if (!tx_cleaned)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
		work_done = budget;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
	/* If budget not fully consumed, exit the polling mode */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	if (work_done < budget) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
		if (adapter->itr_setting & 3)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
			e1000_set_itr(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
		napi_complete(napi);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
		if (!test_bit(__E1000_DOWN, &adapter->state)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
			if (adapter->msix_entries)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
				ew32(IMS, adapter->rx_ring->ims_val);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
			else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
				e1000_irq_enable(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	return work_done;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
	u32 vfta, index;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
	/* don't update vlan cookie if already programmed */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
	if ((adapter->hw.mng_cookie.status &
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	    (vid == adapter->mng_vlan_id))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
	/* add VID to filter table */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
	index = (vid >> 5) & 0x7F;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	vfta |= (1 << (vid & 0x1F));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	e1000e_write_vfta(hw, index, vfta);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	u32 vfta, index;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	if (!test_bit(__E1000_DOWN, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
		e1000_irq_disable(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	if (!test_bit(__E1000_DOWN, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
		e1000_irq_enable(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	if ((adapter->hw.mng_cookie.status &
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
	    (vid == adapter->mng_vlan_id)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
		/* release control to f/w */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
		e1000_release_hw_control(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
	/* remove VID from filter table */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
	index = (vid >> 5) & 0x7F;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
	vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
	vfta &= ~(1 << (vid & 0x1F));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	e1000e_write_vfta(hw, index, vfta);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
	u16 vid = adapter->hw.mng_cookie.vlan_id;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	u16 old_vid = adapter->mng_vlan_id;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
	if (!adapter->vlgrp)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
	if (!vlan_group_get_device(adapter->vlgrp, vid)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
		adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
		if (adapter->hw.mng_cookie.status &
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
			e1000_vlan_rx_add_vid(netdev, vid);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
			adapter->mng_vlan_id = vid;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
				(vid != old_vid) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
		    !vlan_group_get_device(adapter->vlgrp, old_vid))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
			e1000_vlan_rx_kill_vid(netdev, old_vid);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
		adapter->mng_vlan_id = vid;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
static void e1000_vlan_rx_register(struct net_device *netdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
				   struct vlan_group *grp)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	u32 ctrl, rctl;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	if (!test_bit(__E1000_DOWN, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
		e1000_irq_disable(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	adapter->vlgrp = grp;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	if (grp) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
		/* enable VLAN tag insert/strip */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
		ctrl = er32(CTRL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
		ctrl |= E1000_CTRL_VME;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
		ew32(CTRL, ctrl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
			/* enable VLAN receive filtering */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
			rctl = er32(RCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
			rctl &= ~E1000_RCTL_CFIEN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
			ew32(RCTL, rctl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
			e1000_update_mng_vlan(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
		/* disable VLAN tag insert/strip */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
		ctrl = er32(CTRL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
		ctrl &= ~E1000_CTRL_VME;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
		ew32(CTRL, ctrl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
			if (adapter->mng_vlan_id !=
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
			    (u16)E1000_MNG_VLAN_NONE) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
				e1000_vlan_rx_kill_vid(netdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
						       adapter->mng_vlan_id);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	if (!test_bit(__E1000_DOWN, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
		e1000_irq_enable(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
static void e1000_restore_vlan(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
	u16 vid;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	if (!adapter->vlgrp)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
	for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
		if (!vlan_group_get_device(adapter->vlgrp, vid))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
			continue;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
		e1000_vlan_rx_add_vid(adapter->netdev, vid);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
static void e1000_init_manageability(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
	u32 manc, manc2h;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
	manc = er32(MANC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
	 * enable receiving management packets to the host. this will probably
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	 * generate destination unreachable messages from the host OS, but
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
	 * the packets will be handled on SMBUS
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	manc |= E1000_MANC_EN_MNG2HOST;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	manc2h = er32(MANC2H);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
#define E1000_MNG2HOST_PORT_623 (1 << 5)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
#define E1000_MNG2HOST_PORT_664 (1 << 6)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	manc2h |= E1000_MNG2HOST_PORT_623;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	manc2h |= E1000_MNG2HOST_PORT_664;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	ew32(MANC2H, manc2h);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	ew32(MANC, manc);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
 * Configure the Tx unit of the MAC after a reset.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
static void e1000_configure_tx(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
	u64 tdba;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
	u32 tdlen, tctl, tipg, tarc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
	u32 ipgr1, ipgr2;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	/* Setup the HW Tx Head and Tail descriptor pointers */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
	tdba = tx_ring->dma;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
	tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
	ew32(TDBAL, (tdba & DMA_BIT_MASK(32)));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
	ew32(TDBAH, (tdba >> 32));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	ew32(TDLEN, tdlen);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
	ew32(TDH, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	ew32(TDT, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
	tx_ring->head = E1000_TDH;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
	tx_ring->tail = E1000_TDT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	/* Set the default values for the Tx Inter Packet Gap timer */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	tipg = DEFAULT_82543_TIPG_IPGT_COPPER;          /*  8  */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	ipgr1 = DEFAULT_82543_TIPG_IPGR1;               /*  8  */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	ipgr2 = DEFAULT_82543_TIPG_IPGR2;               /*  6  */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	if (adapter->flags & FLAG_TIPG_MEDIUM_FOR_80003ESLAN)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2; /*  7  */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	ew32(TIPG, tipg);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
	/* Set the Tx Interrupt Delay register */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	ew32(TIDV, adapter->tx_int_delay);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	/* Tx irq moderation */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	ew32(TADV, adapter->tx_abs_int_delay);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	/* Program the Transmit Control Register */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	tctl = er32(TCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	tctl &= ~E1000_TCTL_CT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
	if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
		tarc = er32(TARC(0));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
		 * set the speed mode bit, we'll clear it if we're not at
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
		 * gigabit link later
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
#define SPEED_MODE_BIT (1 << 21)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
		tarc |= SPEED_MODE_BIT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
		ew32(TARC(0), tarc);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	/* errata: program both queues to unweighted RR */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
		tarc = er32(TARC(0));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
		tarc |= 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
		ew32(TARC(0), tarc);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
		tarc = er32(TARC(1));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
		tarc |= 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
		ew32(TARC(1), tarc);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	/* Setup Transmit Descriptor Settings for eop descriptor */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	/* only set IDE if we are delaying interrupts using the timers */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	if (adapter->tx_int_delay)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	/* enable Report Status bit */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	adapter->txd_cmd |= E1000_TXD_CMD_RS;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	ew32(TCTL, tctl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	e1000e_config_collision_dist(hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	adapter->tx_queue_len = adapter->netdev->tx_queue_len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
 * e1000_setup_rctl - configure the receive control registers
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
 * @adapter: Board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
			   (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
static void e1000_setup_rctl(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	u32 rctl, rfctl;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	u32 psrctl = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	u32 pages = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	/* Program MC offset vector base */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	rctl = er32(RCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
		(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	/* Do not Store bad packets */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	rctl &= ~E1000_RCTL_SBP;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
	/* Enable Long Packet receive */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
		rctl &= ~E1000_RCTL_LPE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
	else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
		rctl |= E1000_RCTL_LPE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
	/* Some systems expect that the CRC is included in SMBUS traffic. The
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	 * hardware strips the CRC before sending to both SMBUS (BMC) and to
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
	 * host memory when this is enabled
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
		rctl |= E1000_RCTL_SECRC;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	/* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
		u16 phy_data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
		e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
		phy_data &= 0xfff8;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
		phy_data |= (1 << 2);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
		e1e_wphy(hw, PHY_REG(770, 26), phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
		e1e_rphy(hw, 22, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		phy_data &= 0x0fff;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		phy_data |= (1 << 14);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		e1e_wphy(hw, 0x10, 0x2823);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		e1e_wphy(hw, 0x11, 0x0003);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		e1e_wphy(hw, 22, phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
	/* Setup buffer sizes */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
	rctl &= ~E1000_RCTL_SZ_4096;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
	rctl |= E1000_RCTL_BSEX;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
	switch (adapter->rx_buffer_len) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
	case 2048:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
	default:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
		rctl |= E1000_RCTL_SZ_2048;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
		rctl &= ~E1000_RCTL_BSEX;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
	case 4096:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
		rctl |= E1000_RCTL_SZ_4096;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
	case 8192:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
		rctl |= E1000_RCTL_SZ_8192;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	case 16384:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
		rctl |= E1000_RCTL_SZ_16384;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	 * 82571 and greater support packet-split where the protocol
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	 * header is placed in skb->data and the packet data is
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	 * In the case of a non-split, skb->data is linearly filled,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	 * followed by the page buffers.  Therefore, skb->data is
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	 * sized to hold the largest protocol header.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	 * allocations using alloc_page take too long for regular MTU
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	 * so only enable packet split for jumbo frames
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	 * Using pages when the page size is greater than 16k wastes
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
	 * a lot of memory, since we allocate 3 pages at all times
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	 * per packet.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
	if (!(adapter->flags & FLAG_IS_ICH) && (pages <= 3) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	    (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
		adapter->rx_ps_pages = pages;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
		adapter->rx_ps_pages = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	if (adapter->rx_ps_pages) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
		/* Configure extra packet-split registers */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
		rfctl = er32(RFCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
		rfctl |= E1000_RFCTL_EXTEN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
		 * disable packet split support for IPv6 extension headers,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
		 * because some malformed IPv6 headers can hang the Rx
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
			  E1000_RFCTL_NEW_IPV6_EXT_DIS);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
		ew32(RFCTL, rfctl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
		/* Enable Packet split descriptors */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
		rctl |= E1000_RCTL_DTYP_PS;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		psrctl |= adapter->rx_ps_bsize0 >>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
			E1000_PSRCTL_BSIZE0_SHIFT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
		switch (adapter->rx_ps_pages) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
		case 3:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
			psrctl |= PAGE_SIZE <<
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
				E1000_PSRCTL_BSIZE3_SHIFT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
		case 2:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
			psrctl |= PAGE_SIZE <<
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
				E1000_PSRCTL_BSIZE2_SHIFT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
		case 1:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
			psrctl |= PAGE_SIZE >>
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
				E1000_PSRCTL_BSIZE1_SHIFT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
		ew32(PSRCTL, psrctl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
	ew32(RCTL, rctl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
	/* just started the receive unit, no need to restart */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	adapter->flags &= ~FLAG_RX_RESTART_NOW;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
 * e1000_configure_rx - Configure Receive Unit after Reset
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
 * Configure the Rx unit of the MAC after a reset.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
static void e1000_configure_rx(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
	struct e1000_ring *rx_ring = adapter->rx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
	u64 rdba;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	u32 rdlen, rctl, rxcsum, ctrl_ext;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
	if (adapter->rx_ps_pages) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
		/* this is a 32 byte descriptor */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
		rdlen = rx_ring->count *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
			sizeof(union e1000_rx_desc_packet_split);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
		adapter->clean_rx = e1000_clean_rx_irq_ps;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
	} else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
		adapter->clean_rx = e1000_clean_rx_irq;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	/* disable receives while setting up the descriptors */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
	rctl = er32(RCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	e1e_flush();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	msleep(10);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
	/* set the Receive Delay Timer Register */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	ew32(RDTR, adapter->rx_int_delay);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
	/* irq moderation */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
	ew32(RADV, adapter->rx_abs_int_delay);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
	if (adapter->itr_setting != 0)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
		ew32(ITR, 1000000000 / (adapter->itr * 256));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
	ctrl_ext = er32(CTRL_EXT);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
	/* Reset delay timers after every interrupt */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
	ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
	/* Auto-Mask interrupts upon ICR access */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
	ctrl_ext |= E1000_CTRL_EXT_IAME;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
	ew32(IAM, 0xffffffff);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
	ew32(CTRL_EXT, ctrl_ext);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
	e1e_flush();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
	 * Setup the HW Rx Head and Tail Descriptor Pointers and
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
	 * the Base and Length of the Rx Descriptor Ring
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
	rdba = rx_ring->dma;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
	ew32(RDBAL, (rdba & DMA_BIT_MASK(32)));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	ew32(RDBAH, (rdba >> 32));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
	ew32(RDLEN, rdlen);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	ew32(RDH, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
	ew32(RDT, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
	rx_ring->head = E1000_RDH;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
	rx_ring->tail = E1000_RDT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
	/* Enable Receive Checksum Offload for TCP and UDP */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
	rxcsum = er32(RXCSUM);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
	if (adapter->flags & FLAG_RX_CSUM_ENABLED) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
		rxcsum |= E1000_RXCSUM_TUOFL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
		 * IPv4 payload checksum for UDP fragments must be
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
		 * used in conjunction with packet-split.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
		if (adapter->rx_ps_pages)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
			rxcsum |= E1000_RXCSUM_IPPCSE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
		rxcsum &= ~E1000_RXCSUM_TUOFL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
		/* no need to clear IPPCSE as it defaults to 0 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	ew32(RXCSUM, rxcsum);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
	 * Enable early receives on supported devices, only takes effect when
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
	 * packet size is equal or larger than the specified value (in 8 byte
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
	 * units), e.g. using jumbo frames when setting to E1000_ERT_2048
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
	if ((adapter->flags & FLAG_HAS_ERT) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	    (adapter->netdev->mtu > ETH_DATA_LEN)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
		u32 rxdctl = er32(RXDCTL(0));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
		ew32(RXDCTL(0), rxdctl | 0x3);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
		ew32(ERT, E1000_ERT_2048 | (1 << 13));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
		 * With jumbo frames and early-receive enabled, excessive
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
		 * C4->C2 latencies result in dropped transactions.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
		pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
					  e1000e_driver_name, 55);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
		pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
					  e1000e_driver_name,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
					  PM_QOS_DEFAULT_VALUE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	/* Enable Receives */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
	ew32(RCTL, rctl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
 *  e1000_update_mc_addr_list - Update Multicast addresses
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
 *  @hw: pointer to the HW structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
 *  @mc_addr_list: array of multicast addresses to program
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
 *  @mc_addr_count: number of multicast addresses to program
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
 *  @rar_used_count: the first RAR register free to program
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
 *  @rar_count: total number of supported Receive Address Registers
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
 *  Updates the Receive Address Registers and Multicast Table Array.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
 *  The caller must have a packed mc_addr_list of multicast addresses.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
 *  The parameter rar_count will usually be hw->mac.rar_entry_count
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
 *  unless there are workarounds that change this.  Currently no func pointer
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
 *  exists and all implementations are handled in the generic version of this
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
 *  function.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
static void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
				      u32 mc_addr_count, u32 rar_used_count,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
				      u32 rar_count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
	hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, mc_addr_count,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
				        rar_used_count, rar_count);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
 * e1000_set_multi - Multicast and Promiscuous mode set
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
 * @netdev: network interface device structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
 * The set_multi entry point is called whenever the multicast address
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
 * list or the network interface flags are updated.  This routine is
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
 * responsible for configuring the hardware for proper multicast,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
 * promiscuous mode, and all-multi behavior.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
static void e1000_set_multi(struct net_device *netdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
	struct e1000_mac_info *mac = &hw->mac;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	struct dev_mc_list *mc_ptr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	u8  *mta_list;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	u32 rctl;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
	int i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	/* Check for Promiscuous and All Multicast modes */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
	rctl = er32(RCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
	if (netdev->flags & IFF_PROMISC) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
		rctl &= ~E1000_RCTL_VFE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
		if (netdev->flags & IFF_ALLMULTI) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
			rctl |= E1000_RCTL_MPE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
			rctl &= ~E1000_RCTL_UPE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
		} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
			rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
			rctl |= E1000_RCTL_VFE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
	ew32(RCTL, rctl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
	if (netdev->mc_count) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
		mta_list = kmalloc(netdev->mc_count * 6, GFP_ATOMIC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
		if (!mta_list)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
			return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
		/* prepare a packed array of only addresses. */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
		mc_ptr = netdev->mc_list;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
		for (i = 0; i < netdev->mc_count; i++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
			if (!mc_ptr)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
				break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
			memcpy(mta_list + (i*ETH_ALEN), mc_ptr->dmi_addr,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
			       ETH_ALEN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
			mc_ptr = mc_ptr->next;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
		e1000_update_mc_addr_list(hw, mta_list, i, 1,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
					  mac->rar_entry_count);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
		kfree(mta_list);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
		 * if we're called from probe, we might not have
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
		 * anything to do here, so clear out the list
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
		e1000_update_mc_addr_list(hw, NULL, 0, 1, mac->rar_entry_count);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
 * e1000_configure - configure the hardware for Rx and Tx
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
 * @adapter: private board structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
static void e1000_configure(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	e1000_set_multi(adapter->netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	e1000_restore_vlan(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	e1000_init_manageability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
	e1000_configure_tx(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	e1000_setup_rctl(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	e1000_configure_rx(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	if (adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
		adapter->alloc_rx_buf(adapter, adapter->rx_ring->count);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
		adapter->alloc_rx_buf(adapter, e1000_desc_unused(adapter->rx_ring));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
 * e1000e_power_up_phy - restore link in case the phy was powered down
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
 * @adapter: address of board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
 * The phy may be powered down to save power and turn off link when the
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
 * driver is unloaded and wake on lan is not enabled (among others)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
 * *** this routine MUST be followed by a call to e1000e_reset ***
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
void e1000e_power_up_phy(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
	u16 mii_reg = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	/* Just clear the power down bit to wake the phy back up */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
		 * According to the manual, the phy will retain its
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
		 * settings across a power-down/up cycle
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		e1e_rphy(&adapter->hw, PHY_CONTROL, &mii_reg);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
		mii_reg &= ~MII_CR_POWER_DOWN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
		e1e_wphy(&adapter->hw, PHY_CONTROL, mii_reg);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
	adapter->hw.mac.ops.setup_link(&adapter->hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
 * e1000_power_down_phy - Power down the PHY
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
 * Power down the PHY so no link is implied when interface is down
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
 * The PHY cannot be powered down is management or WoL is active
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
static void e1000_power_down_phy(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	u16 mii_reg;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	/* WoL is enabled */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
	if (adapter->wol)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
	/* non-copper PHY? */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
	/* reset is blocked because of a SoL/IDER session */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
	if (e1000e_check_mng_mode(hw) || e1000_check_reset_block(hw))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
	/* manageability (AMT) is enabled */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
	if (er32(MANC) & E1000_MANC_SMBUS_EN)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
	/* power down the PHY */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
	e1e_rphy(hw, PHY_CONTROL, &mii_reg);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
	mii_reg |= MII_CR_POWER_DOWN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
	e1e_wphy(hw, PHY_CONTROL, mii_reg);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	mdelay(1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
 * e1000e_reset - bring the hardware into a known good state
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
 * This function boots the hardware and enables some settings that
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
 * require a configuration cycle of the hardware - those cannot be
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
 * set/changed during runtime. After reset the device needs to be
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
 * properly configured for Rx, Tx etc.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
void e1000e_reset(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
	struct e1000_mac_info *mac = &adapter->hw.mac;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
	struct e1000_fc_info *fc = &adapter->hw.fc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
	u32 tx_space, min_tx_space, min_rx_space;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
	u32 pba = adapter->pba;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
	u16 hwm;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
	/* reset Packet Buffer Allocation to default */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
	ew32(PBA, pba);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
	if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		 * To maintain wire speed transmits, the Tx FIFO should be
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
		 * large enough to accommodate two full transmit packets,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
		 * the Rx FIFO should be large enough to accommodate at least
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
		 * one full receive packet and is similarly rounded up and
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
		 * expressed in KB.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
		pba = er32(PBA);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
		/* upper 16 bits has Tx packet buffer allocation size in KB */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
		tx_space = pba >> 16;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
		/* lower 16 bits has Rx packet buffer allocation size in KB */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
		pba &= 0xffff;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
		 * the Tx fifo also stores 16 bytes of information about the tx
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
		 * but don't include ethernet FCS because hardware appends it
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
		min_tx_space = (adapter->max_frame_size +
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
				sizeof(struct e1000_tx_desc) -
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
				ETH_FCS_LEN) * 2;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		min_tx_space = ALIGN(min_tx_space, 1024);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
		min_tx_space >>= 10;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		/* software strips receive CRC, so leave room for it */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
		min_rx_space = adapter->max_frame_size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		min_rx_space = ALIGN(min_rx_space, 1024);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
		min_rx_space >>= 10;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
		 * If current Tx allocation is less than the min Tx FIFO size,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
		 * and the min Tx FIFO size is less than the current Rx FIFO
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
		 * allocation, take space away from current Rx allocation
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
		if ((tx_space < min_tx_space) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
		    ((min_tx_space - tx_space) < pba)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
			pba -= min_tx_space - tx_space;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
			/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
			 * if short on Rx space, Rx wins and must trump tx
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
			 * adjustment or use Early Receive if available
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
			 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
			if ((pba < min_rx_space) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
			    (!(adapter->flags & FLAG_HAS_ERT)))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
				/* ERT enabled in e1000_configure_rx */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
				pba = min_rx_space;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		ew32(PBA, pba);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	 * flow control settings
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
	 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
	 * The high water mark must be low enough to fit one full frame
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	 * (or the size used for early receive) above it in the Rx FIFO.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	 * Set it to the lower of:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	 * - 90% of the Rx FIFO size, and
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
	 * - the full Rx FIFO size minus the early receive size (for parts
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	 * - the full Rx FIFO size minus one full frame
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
	if (hw->mac.type == e1000_pchlan) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
		 * Workaround PCH LOM adapter hangs with certain network
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
		 * loads.  If hangs persist, try disabling Tx flow control.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
			fc->high_water = 0x3500;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
			fc->low_water  = 0x1500;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
		} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
			fc->high_water = 0x5000;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
			fc->low_water  = 0x3000;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
		if ((adapter->flags & FLAG_HAS_ERT) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
		    (adapter->netdev->mtu > ETH_DATA_LEN))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
			hwm = min(((pba << 10) * 9 / 10),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
				  ((pba << 10) - (E1000_ERT_2048 << 3)));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
		else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
			hwm = min(((pba << 10) * 9 / 10),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
				  ((pba << 10) - adapter->max_frame_size));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
		fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
		fc->low_water = fc->high_water - 8;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
		fc->pause_time = 0xFFFF;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
	else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
		fc->pause_time = E1000_FC_PAUSE_TIME;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	fc->send_xon = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	fc->current_mode = fc->requested_mode;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	/* Allow time for pending master requests to run */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	mac->ops.reset_hw(hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	 * For parts with AMT enabled, let the firmware know
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	 * that the network interface is in control
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	if (adapter->flags & FLAG_HAS_AMT)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
		e1000_get_hw_control(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
	ew32(WUC, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		e1e_wphy(&adapter->hw, BM_WUC, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
	if (mac->ops.init_hw(hw))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
		e_err("Hardware Error\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	/* additional part of the flow-control workaround above */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
	if (hw->mac.type == e1000_pchlan)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
		ew32(FCRTV_PCH, 0x1000);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
	e1000_update_mng_vlan(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
	ew32(VET, ETH_P_8021Q);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
	e1000e_reset_adaptive(hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
	e1000_get_phy_info(hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
	    !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
		u16 phy_data = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		 * speed up time to link by disabling smart power down, ignore
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
		 * the return value of this function because there is nothing
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
		 * different we would do if it failed
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
		e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
		phy_data &= ~IGP02E1000_PM_SPD;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
		e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
int e1000e_up(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
	/* hardware has been reset, we need to reload some things */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
	e1000_configure(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
	clear_bit(__E1000_DOWN, &adapter->state);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
	if (!adapter->ecdev) 
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
		napi_enable(&adapter->napi);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
	if (adapter->msix_entries)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		e1000_configure_msix(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
	if (!adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
		e1000_irq_enable(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
		netif_wake_queue(adapter->netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
		/* fire a link change interrupt to start the watchdog */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		ew32(ICS, E1000_ICS_LSC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
void e1000e_down(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	u32 tctl, rctl;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
	 * signal that we're down so the interrupt handler does not
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
	 * reschedule our watchdog timer
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
	set_bit(__E1000_DOWN, &adapter->state);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
	/* disable receives in the hardware */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
	rctl = er32(RCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
	/* flush and sleep below */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
	if (!adapter->ecdev) 
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		netif_stop_queue(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
	/* disable transmits in the hardware */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
	tctl = er32(TCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
	tctl &= ~E1000_TCTL_EN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
	ew32(TCTL, tctl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	/* flush both disables and wait for them to finish */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
	e1e_flush();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
	msleep(10);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
	if (!adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
		napi_disable(&adapter->napi);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
		e1000_irq_disable(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		del_timer_sync(&adapter->watchdog_timer);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
		del_timer_sync(&adapter->phy_info_timer);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
		netdev->tx_queue_len = adapter->tx_queue_len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
		netif_carrier_off(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
	adapter->link_speed = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
	adapter->link_duplex = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	if (!pci_channel_offline(adapter->pdev))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
		e1000e_reset(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	e1000_clean_tx_ring(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
	e1000_clean_rx_ring(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	 * TODO: for power management, we could drop the link and
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	 * pci_disable_device here.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
void e1000e_reinit_locked(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
	might_sleep();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
		msleep(1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
	e1000e_down(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
	e1000e_up(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
	clear_bit(__E1000_RESETTING, &adapter->state);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
 * @adapter: board private structure to initialize
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
 * e1000_sw_init initializes the Adapter private data structure.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
 * Fields are initialized based on PCI device information and
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
 * OS network device settings (MTU size).
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	adapter->rx_ps_bsize0 = 128;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	e1000e_set_interrupt_capability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
	if (e1000_alloc_queues(adapter))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
		return -ENOMEM;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
	/* Explicitly disable IRQ since the NIC can be in any state. */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	e1000_irq_disable(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
	set_bit(__E1000_DOWN, &adapter->state);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
 * e1000_intr_msi_test - Interrupt Handler
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
 * @irq: interrupt number
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
 * @data: pointer to a network interface device structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
static irqreturn_t e1000_intr_msi_test(int irq, void *data)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	struct net_device *netdev = data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	u32 icr = er32(ICR);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	e_dbg("%s: icr is %08X\n", netdev->name, icr);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	if (icr & E1000_ICR_RXSEQ) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
		wmb();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	return IRQ_HANDLED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
 * e1000_test_msi_interrupt - Returns 0 for successful test
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
 * @adapter: board private struct
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
 * code flow taken from tg3.c
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
	int err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
	/* poll_enable hasn't been called yet, so don't need disable */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
	/* clear any pending events */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
	er32(ICR);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	/* free the real vector and request a test handler */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
	e1000_free_irq(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	e1000e_reset_interrupt_capability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	/* Assume that the test fails, if it succeeds then the test
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	 * MSI irq handler will unset this flag */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	adapter->flags |= FLAG_MSI_TEST_FAILED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
	err = pci_enable_msi(adapter->pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
		goto msi_test_failed;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
	err = request_irq(adapter->pdev->irq, &e1000_intr_msi_test, 0,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
			  netdev->name, netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
	if (err) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		pci_disable_msi(adapter->pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
		goto msi_test_failed;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	wmb();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
	e1000_irq_enable(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	/* fire an unusual interrupt on the test handler */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	ew32(ICS, E1000_ICS_RXSEQ);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	e1e_flush();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
	msleep(50);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	e1000_irq_disable(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
	rmb();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
		err = -EIO;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
		e_info("MSI interrupt test failed!\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
	free_irq(adapter->pdev->irq, netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	pci_disable_msi(adapter->pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	if (err == -EIO)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
		goto msi_test_failed;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
	/* okay so the test worked, restore settings */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
	e_dbg("%s: MSI interrupt test succeeded!\n", netdev->name);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
msi_test_failed:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
	e1000e_set_interrupt_capability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	e1000_request_irq(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
 * e1000_test_msi - Returns 0 if MSI test succeeds or INTx mode is restored
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
 * @adapter: board private struct
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
 * code flow taken from tg3.c, called with e1000 interrupts disabled.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
static int e1000_test_msi(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	int err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	u16 pci_cmd;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	if (!(adapter->flags & FLAG_MSI_ENABLED))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
		return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	/* disable SERR in case the MSI write causes a master abort */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	pci_write_config_word(adapter->pdev, PCI_COMMAND,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
			      pci_cmd & ~PCI_COMMAND_SERR);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	err = e1000_test_msi_interrupt(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	/* restore previous setting of command word */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
	/* success ! */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	if (!err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
		return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
	/* EIO means MSI test failed */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	if (err != -EIO)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
		return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
	/* back to INTx mode */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
	e_warn("MSI interrupt test failed, using legacy interrupt.\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	e1000_free_irq(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	err = e1000_request_irq(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
	return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
 * e1000_open - Called when a network interface is made active
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
 * @netdev: network interface device structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
 * Returns 0 on success, negative value on failure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
 * The open entry point is called when a network interface is made
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
 * active by the system (IFF_UP).  At this point all resources needed
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
 * for transmit and receive operations are allocated, the interrupt
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
 * handler is registered with the OS, the watchdog timer is started,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
 * and the stack is notified that the interface is ready.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
static int e1000_open(struct net_device *netdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	int err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
	/* disallow open during test */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
	if (test_bit(__E1000_TESTING, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
		return -EBUSY;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	if (adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
		ecdev_set_link(adapter->ecdev, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
		netif_carrier_off(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
	/* allocate transmit descriptors */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	err = e1000e_setup_tx_resources(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
		goto err_setup_tx;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	/* allocate receive descriptors */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	err = e1000e_setup_rx_resources(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
		goto err_setup_rx;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	e1000e_power_up_phy(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	if ((adapter->hw.mng_cookie.status &
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
		e1000_update_mng_vlan(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	 * If AMT is enabled, let the firmware know that the network
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	 * interface is now open
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	if (adapter->flags & FLAG_HAS_AMT)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
		e1000_get_hw_control(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	 * before we allocate an interrupt, we must be ready to handle it.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	 * as soon as we call pci_request_irq, so we have to setup our
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	 * clean_rx handler before we do so.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	e1000_configure(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	err = e1000_request_irq(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
		goto err_req_irq;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	 * Work around PCIe errata with MSI interrupts causing some chipsets to
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	 * ignore e1000e MSI messages, which means we need to test our MSI
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
	 * interrupt now
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
	if (adapter->int_mode != E1000E_INT_MODE_LEGACY) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
		err = e1000_test_msi(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
		if (err) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
			e_err("Interrupt allocation failed\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
			goto err_req_irq;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	/* From here on the code is the same as e1000e_up() */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
	clear_bit(__E1000_DOWN, &adapter->state);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	napi_enable(&adapter->napi);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	e1000_irq_enable(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
	netif_start_queue(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	/* fire a link status change interrupt to start the watchdog */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	ew32(ICS, E1000_ICS_LSC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
err_req_irq:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	e1000_release_hw_control(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	e1000_power_down_phy(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	e1000e_free_rx_resources(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
err_setup_rx:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	e1000e_free_tx_resources(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
err_setup_tx:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	e1000e_reset(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
 * e1000_close - Disables a network interface
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
 * @netdev: network interface device structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
 * Returns 0, this is not allowed to fail
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
 * The close entry point is called when an interface is de-activated
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
 * by the OS.  The hardware is still under the drivers control, but
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
 * needs to be disabled.  A global MAC reset is issued to stop the
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
 * hardware, and all transmit and receive resources are freed.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
static int e1000_close(struct net_device *netdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	e1000e_down(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	e1000_power_down_phy(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
	e1000_free_irq(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	e1000e_free_tx_resources(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	e1000e_free_rx_resources(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
	 * kill manageability vlan ID if supported, but not if a vlan with
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	 * the same ID is registered on the host OS (let 8021q kill it)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	if ((adapter->hw.mng_cookie.status &
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	     !(adapter->vlgrp &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id)))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	 * If AMT is enabled, let the firmware know that the network
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	 * interface is now closed
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
	if (adapter->flags & FLAG_HAS_AMT)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
		e1000_release_hw_control(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
 * e1000_set_mac - Change the Ethernet Address of the NIC
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
 * @netdev: network interface device structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
 * @p: pointer to an address structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
 * Returns 0 on success, negative on failure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
static int e1000_set_mac(struct net_device *netdev, void *p)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
	struct sockaddr *addr = p;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	if (!is_valid_ether_addr(addr->sa_data))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
		return -EADDRNOTAVAIL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
	memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	e1000e_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
		/* activate the work around */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
		e1000e_set_laa_state_82571(&adapter->hw, 1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
		 * Hold a copy of the LAA in RAR[14] This is done so that
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
		 * between the time RAR[0] gets clobbered  and the time it
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
		 * of the RARs and no incoming packets directed to this port
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
		 * are dropped. Eventually the LAA will be in RAR[0] and
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
		 * RAR[14]
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
		e1000e_rar_set(&adapter->hw,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
			      adapter->hw.mac.addr,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
			      adapter->hw.mac.rar_entry_count - 1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
 * e1000e_update_phy_task - work thread to update phy
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
 * @work: pointer to our work struct
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
 * this worker thread exists because we must acquire a
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
 * semaphore to read the phy, which we could msleep while
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
 * waiting for it, and we can't msleep in a timer.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
static void e1000e_update_phy_task(struct work_struct *work)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
	struct e1000_adapter *adapter = container_of(work,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
					struct e1000_adapter, update_phy_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
	e1000_get_phy_info(&adapter->hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
 * Need to wait a few seconds after link up to get diagnostic information from
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
 * the phy
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
static void e1000_update_phy_info(unsigned long data)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
	schedule_work(&adapter->update_phy_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
 * e1000e_update_stats - Update the board statistics counters
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
void e1000e_update_stats(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	struct pci_dev *pdev = adapter->pdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	u16 phy_data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	 * Prevent stats update while adapter is being reset, or if the pci
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	 * connection is down.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	if (adapter->link_speed == 0)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	if (pci_channel_offline(pdev))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	adapter->stats.crcerrs += er32(CRCERRS);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
	adapter->stats.gprc += er32(GPRC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	adapter->stats.gorc += er32(GORCL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
	er32(GORCH); /* Clear gorc */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	adapter->stats.bprc += er32(BPRC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	adapter->stats.mprc += er32(MPRC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	adapter->stats.roc += er32(ROC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	adapter->stats.mpc += er32(MPC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	if ((hw->phy.type == e1000_phy_82578) ||
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	    (hw->phy.type == e1000_phy_82577)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
		e1e_rphy(hw, HV_SCC_UPPER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
		e1e_rphy(hw, HV_SCC_LOWER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
		adapter->stats.scc += phy_data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
		e1e_rphy(hw, HV_ECOL_UPPER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
		e1e_rphy(hw, HV_ECOL_LOWER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
		adapter->stats.ecol += phy_data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
		e1e_rphy(hw, HV_MCC_UPPER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
		e1e_rphy(hw, HV_MCC_LOWER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
		adapter->stats.mcc += phy_data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
		e1e_rphy(hw, HV_LATECOL_UPPER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
		e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
		adapter->stats.latecol += phy_data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
		e1e_rphy(hw, HV_DC_UPPER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
		e1e_rphy(hw, HV_DC_LOWER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
		adapter->stats.dc += phy_data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
		adapter->stats.scc += er32(SCC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
		adapter->stats.ecol += er32(ECOL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
		adapter->stats.mcc += er32(MCC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
		adapter->stats.latecol += er32(LATECOL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
		adapter->stats.dc += er32(DC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	adapter->stats.xonrxc += er32(XONRXC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	adapter->stats.xontxc += er32(XONTXC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	adapter->stats.xoffrxc += er32(XOFFRXC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	adapter->stats.xofftxc += er32(XOFFTXC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	adapter->stats.gptc += er32(GPTC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	adapter->stats.gotc += er32(GOTCL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	er32(GOTCH); /* Clear gotc */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	adapter->stats.rnbc += er32(RNBC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	adapter->stats.ruc += er32(RUC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	adapter->stats.mptc += er32(MPTC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	adapter->stats.bptc += er32(BPTC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	/* used for adaptive IFS */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	hw->mac.tx_packet_delta = er32(TPT);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	adapter->stats.tpt += hw->mac.tx_packet_delta;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
	if ((hw->phy.type == e1000_phy_82578) ||
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	    (hw->phy.type == e1000_phy_82577)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
		e1e_rphy(hw, HV_COLC_UPPER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
		e1e_rphy(hw, HV_COLC_LOWER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
		hw->mac.collision_delta = phy_data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
		hw->mac.collision_delta = er32(COLC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	adapter->stats.colc += hw->mac.collision_delta;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
	adapter->stats.algnerrc += er32(ALGNERRC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	adapter->stats.rxerrc += er32(RXERRC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	if ((hw->phy.type == e1000_phy_82578) ||
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	    (hw->phy.type == e1000_phy_82577)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
		e1e_rphy(hw, HV_TNCRS_UPPER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
		e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
		adapter->stats.tncrs += phy_data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
		if ((hw->mac.type != e1000_82574) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
		    (hw->mac.type != e1000_82583))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
			adapter->stats.tncrs += er32(TNCRS);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	adapter->stats.cexterr += er32(CEXTERR);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	adapter->stats.tsctc += er32(TSCTC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	adapter->stats.tsctfc += er32(TSCTFC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	/* Fill out the OS statistics structure */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	adapter->net_stats.multicast = adapter->stats.mprc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	adapter->net_stats.collisions = adapter->stats.colc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
	/* Rx Errors */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	 * RLEC on some newer hardware can be incorrect so build
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	 * our own version based on RUC and ROC
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	adapter->net_stats.rx_errors = adapter->stats.rxerrc +
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
		adapter->stats.crcerrs + adapter->stats.algnerrc +
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
		adapter->stats.ruc + adapter->stats.roc +
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
		adapter->stats.cexterr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
	adapter->net_stats.rx_length_errors = adapter->stats.ruc +
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
					      adapter->stats.roc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	adapter->net_stats.rx_frame_errors = adapter->stats.algnerrc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	adapter->net_stats.rx_missed_errors = adapter->stats.mpc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	/* Tx Errors */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	adapter->net_stats.tx_errors = adapter->stats.ecol +
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
				       adapter->stats.latecol;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	adapter->net_stats.tx_window_errors = adapter->stats.latecol;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
	/* Tx Dropped needs to be maintained elsewhere */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	/* Management Stats */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	adapter->stats.mgptc += er32(MGTPTC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	adapter->stats.mgprc += er32(MGTPRC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
	adapter->stats.mgpdc += er32(MGTPDC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
 * e1000_phy_read_status - Update the PHY register status snapshot
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
 * @adapter: board private structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
static void e1000_phy_read_status(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	struct e1000_phy_regs *phy = &adapter->phy_regs;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
	int ret_val;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	if ((er32(STATUS) & E1000_STATUS_LU) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
	    (adapter->hw.phy.media_type == e1000_media_type_copper)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
		ret_val  = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
		ret_val |= e1e_rphy(hw, PHY_STATUS, &phy->bmsr);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
		ret_val |= e1e_rphy(hw, PHY_LP_ABILITY, &phy->lpa);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_EXP, &phy->expansion);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
		ret_val |= e1e_rphy(hw, PHY_1000T_CTRL, &phy->ctrl1000);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
		ret_val |= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
		ret_val |= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
		if (ret_val)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
			e_warn("Error reading PHY register\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
		 * Do not read PHY registers if link is not up
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
		 * Set values to typical power-on defaults
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
		phy->bmcr = (BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_FULLDPLX);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
		phy->bmsr = (BMSR_100FULL | BMSR_100HALF | BMSR_10FULL |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
			     BMSR_10HALF | BMSR_ESTATEN | BMSR_ANEGCAPABLE |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
			     BMSR_ERCAP);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
		phy->advertise = (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
				  ADVERTISE_ALL | ADVERTISE_CSMA);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
		phy->lpa = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
		phy->expansion = EXPANSION_ENABLENPAGE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
		phy->ctrl1000 = ADVERTISE_1000FULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
		phy->stat1000 = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
		phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
static void e1000_print_link_info(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	u32 ctrl = er32(CTRL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	/* Link status message must follow this format for user tools */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
	printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s, "
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
	       "Flow Control: %s\n",
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	       adapter->netdev->name,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
	       adapter->link_speed,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	       (adapter->link_duplex == FULL_DUPLEX) ?
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
	                        "Full Duplex" : "Half Duplex",
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	       ((ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE)) ?
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
	                        "RX/TX" :
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
	       ((ctrl & E1000_CTRL_RFCE) ? "RX" :
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	       ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
bool e1000_has_link(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	bool link_active = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
	s32 ret_val = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
	 * get_link_status is set on LSC (link status) interrupt or
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
	 * Rx sequence error interrupt.  get_link_status will stay
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
	 * false until the check_for_link establishes link
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
	 * for copper adapters ONLY
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
	switch (hw->phy.media_type) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
	case e1000_media_type_copper:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
		if (hw->mac.get_link_status) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
			ret_val = hw->mac.ops.check_for_link(hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
			link_active = !hw->mac.get_link_status;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
		} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
			link_active = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	case e1000_media_type_fiber:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
		ret_val = hw->mac.ops.check_for_link(hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	case e1000_media_type_internal_serdes:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
		ret_val = hw->mac.ops.check_for_link(hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
		link_active = adapter->hw.mac.serdes_has_link;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	default:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	case e1000_media_type_unknown:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
	if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
		/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
		e_info("Gigabit has been disabled, downgrading speed\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
	return link_active;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
static void e1000e_enable_receives(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
	/* make sure the receive unit is started */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
	    (adapter->flags & FLAG_RX_RESTART_NOW)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
		struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
		u32 rctl = er32(RCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
		ew32(RCTL, rctl | E1000_RCTL_EN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
		adapter->flags &= ~FLAG_RX_RESTART_NOW;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
 * e1000_watchdog - Timer Call-back
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
 * @data: pointer to adapter cast into an unsigned long
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
static void e1000_watchdog(unsigned long data)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	/* Do the rest outside of interrupt context */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	schedule_work(&adapter->watchdog_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	/* TODO: make this use queue_delayed_work() */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
static void e1000_watchdog_task(struct work_struct *work)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	struct e1000_adapter *adapter = container_of(work,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
					struct e1000_adapter, watchdog_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
	struct e1000_mac_info *mac = &adapter->hw.mac;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	struct e1000_phy_info *phy = &adapter->hw.phy;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	u32 link, tctl;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
	int tx_pending = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
	link = e1000_has_link(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	if ((adapter->ecdev && (ecdev_get_link(adapter->ecdev)) && link)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
			|| (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
		e1000e_enable_receives(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
		goto link_up;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
	    (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
		e1000_update_mng_vlan(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	if (link) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev)) 
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
			bool txb2b = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
			/* update snapshot of PHY registers on LSC */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
			e1000_phy_read_status(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
			mac->ops.get_link_up_info(&adapter->hw,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
						   &adapter->link_speed,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
						   &adapter->link_duplex);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
			e1000_print_link_info(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
			/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
			 * On supported PHYs, check for duplex mismatch only
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
			 * if link has autonegotiated at 10/100 half
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
			 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
			if ((hw->phy.type == e1000_phy_igp_3 ||
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
			     hw->phy.type == e1000_phy_bm) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
			    (hw->mac.autoneg == true) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
			    (adapter->link_speed == SPEED_10 ||
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
			     adapter->link_speed == SPEED_100) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
			    (adapter->link_duplex == HALF_DUPLEX)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
				u16 autoneg_exp;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
				e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
				if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
					e_info("Autonegotiated half duplex but"
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
					       " link partner cannot autoneg. "
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
					       " Try forcing full duplex if "
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
					       "link gets many collisions.\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
			/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
			 * tweak tx_queue_len according to speed/duplex
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
			 * and adjust the timeout factor
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
			 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
			netdev->tx_queue_len = adapter->tx_queue_len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
			adapter->tx_timeout_factor = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
			switch (adapter->link_speed) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
			case SPEED_10:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
				txb2b = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
				netdev->tx_queue_len = 10;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
				adapter->tx_timeout_factor = 16;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
				break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
			case SPEED_100:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
				txb2b = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
				netdev->tx_queue_len = 100;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
				adapter->tx_timeout_factor = 10;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
				break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
			/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
			 * workaround: re-program speed mode bit after
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
			 * link-up event
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
			 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
			if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
			    !txb2b) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
				u32 tarc0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
				tarc0 = er32(TARC(0));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
				tarc0 &= ~SPEED_MODE_BIT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
				ew32(TARC(0), tarc0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
			/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
			 * disable TSO for pcie and 10/100 speeds, to avoid
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
			 * some hardware issues
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
			 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
			if (!(adapter->flags & FLAG_TSO_FORCE)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
				switch (adapter->link_speed) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
				case SPEED_10:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
				case SPEED_100:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
					e_info("10/100 speed: disabling TSO\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
					netdev->features &= ~NETIF_F_TSO;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
					netdev->features &= ~NETIF_F_TSO6;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
					break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
				case SPEED_1000:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
					netdev->features |= NETIF_F_TSO;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
					netdev->features |= NETIF_F_TSO6;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
					break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
				default:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
					/* oops */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
					break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
				}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
			/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
			 * enable transmits in the hardware, need to do this
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
			 * after setting TARC(0)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
			 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
			tctl = er32(TCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
			tctl |= E1000_TCTL_EN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
			ew32(TCTL, tctl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
                        /*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
			 * Perform any post-link-up configuration before
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
			 * reporting link up.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
			 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
			if (phy->ops.cfg_on_link_up)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
				phy->ops.cfg_on_link_up(hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
			if (adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
				ecdev_set_link(adapter->ecdev, 1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
			else 
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
				netif_carrier_on(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
			if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
				mod_timer(&adapter->phy_info_timer,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
					  round_jiffies(jiffies + 2 * HZ));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev)) 
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
			adapter->link_speed = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
			adapter->link_duplex = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
			/* Link status message must follow this format */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
			printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
			       adapter->netdev->name);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
			if (adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
				ecdev_set_link(adapter->ecdev, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
			else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
				netif_carrier_off(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
			if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
				mod_timer(&adapter->phy_info_timer,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
					  round_jiffies(jiffies + 2 * HZ));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
			if (adapter->flags & FLAG_RX_NEEDS_RESTART)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
				schedule_work(&adapter->reset_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
link_up:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
	e1000e_update_stats(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
	mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	adapter->tpt_old = adapter->stats.tpt;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
	mac->collision_delta = adapter->stats.colc - adapter->colc_old;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
	adapter->colc_old = adapter->stats.colc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	adapter->gorc_old = adapter->stats.gorc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
	adapter->gotc_old = adapter->stats.gotc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
	e1000e_update_adaptive(&adapter->hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
	if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev)) 
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
			|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		tx_pending = (e1000_desc_unused(tx_ring) + 1 <
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
			       tx_ring->count);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
		if (tx_pending) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
			/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
			 * We've lost link, so the controller stops DMA,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
			 * but we've got queued Tx work that's never going
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
			 * to get done, so reset controller to flush Tx.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
			 * (Do the reset outside of interrupt context).
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
			 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
			adapter->tx_timeout_count++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
			schedule_work(&adapter->reset_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
			/* return immediately since reset is imminent */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
			return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
	/* Cause software interrupt to ensure Rx ring is cleaned */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
	if (adapter->msix_entries)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
		ew32(ICS, adapter->rx_ring->ims_val);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
	else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
		ew32(ICS, E1000_ICS_RXDMT0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	/* Force detection of hung controller every watchdog period */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
	adapter->detect_tx_hung = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
	 * With 82571 controllers, LAA may be overwritten due to controller
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
	 * reset from the other port. Set the appropriate LAA in RAR[0]
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	if (e1000e_get_laa_state_82571(hw))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
		e1000e_rar_set(hw, adapter->hw.mac.addr, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	/* Reset the timer */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
	if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
		mod_timer(&adapter->watchdog_timer,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
			  round_jiffies(jiffies + 2 * HZ));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
#define E1000_TX_FLAGS_CSUM		0x00000001
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
#define E1000_TX_FLAGS_VLAN		0x00000002
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
#define E1000_TX_FLAGS_TSO		0x00000004
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
#define E1000_TX_FLAGS_IPV4		0x00000008
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
#define E1000_TX_FLAGS_VLAN_SHIFT	16
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
static int e1000_tso(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
		     struct sk_buff *skb)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
	struct e1000_context_desc *context_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	struct e1000_buffer *buffer_info;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
	unsigned int i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	u32 cmd_length = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	u16 ipcse = 0, tucse, mss;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	int err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	if (skb_is_gso(skb)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
		if (skb_header_cloned(skb)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
			err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
			if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
				return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
		mss = skb_shinfo(skb)->gso_size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
		if (skb->protocol == htons(ETH_P_IP)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
			struct iphdr *iph = ip_hdr(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
			iph->tot_len = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
			iph->check = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
			tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
								 iph->daddr, 0,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
								 IPPROTO_TCP,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
								 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
			cmd_length = E1000_TXD_CMD_IP;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
			ipcse = skb_transport_offset(skb) - 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
		} else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
			ipv6_hdr(skb)->payload_len = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
			tcp_hdr(skb)->check =
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
				~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
						 &ipv6_hdr(skb)->daddr,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
						 0, IPPROTO_TCP, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
			ipcse = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
		ipcss = skb_network_offset(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
		ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
		tucss = skb_transport_offset(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
		tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
		tucse = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
		cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
			       E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
		i = tx_ring->next_to_use;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
		context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
		buffer_info = &tx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
		context_desc->lower_setup.ip_fields.ipcss  = ipcss;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
		context_desc->lower_setup.ip_fields.ipcso  = ipcso;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
		context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
		context_desc->upper_setup.tcp_fields.tucss = tucss;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
		context_desc->upper_setup.tcp_fields.tucso = tucso;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
		context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
		context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
		context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
		context_desc->cmd_and_length = cpu_to_le32(cmd_length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
		buffer_info->time_stamp = jiffies;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
		buffer_info->next_to_watch = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
		i++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
		if (i == tx_ring->count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
			i = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
		tx_ring->next_to_use = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
		return 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
	struct e1000_context_desc *context_desc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
	struct e1000_buffer *buffer_info;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
	unsigned int i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
	u8 css;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
	u32 cmd_len = E1000_TXD_CMD_DEXT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
	__be16 protocol;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	if (skb->ip_summed != CHECKSUM_PARTIAL)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
		return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
	else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
		protocol = skb->protocol;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	switch (protocol) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
	case cpu_to_be16(ETH_P_IP):
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
			cmd_len |= E1000_TXD_CMD_TCP;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
	case cpu_to_be16(ETH_P_IPV6):
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
		/* XXX not handling all IPV6 headers */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
			cmd_len |= E1000_TXD_CMD_TCP;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	default:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
		if (unlikely(net_ratelimit()))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
			e_warn("checksum_partial proto=%x!\n",
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
			       be16_to_cpu(protocol));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
	css = skb_transport_offset(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
	i = tx_ring->next_to_use;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
	buffer_info = &tx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
	context_desc->lower_setup.ip_config = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
	context_desc->upper_setup.tcp_fields.tucss = css;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	context_desc->upper_setup.tcp_fields.tucso =
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
				css + skb->csum_offset;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
	context_desc->upper_setup.tcp_fields.tucse = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
	context_desc->tcp_seg_setup.data = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
	buffer_info->time_stamp = jiffies;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
	buffer_info->next_to_watch = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
	i++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
	if (i == tx_ring->count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
		i = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	tx_ring->next_to_use = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
	return 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
#define E1000_MAX_PER_TXD	8192
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
#define E1000_MAX_TXD_PWR	12
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
static int e1000_tx_map(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
			struct sk_buff *skb, unsigned int first,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
			unsigned int max_per_txd, unsigned int nr_frags,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
			unsigned int mss)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
	struct e1000_buffer *buffer_info;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
	unsigned int len = skb_headlen(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
	unsigned int offset, size, count = 0, i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
	unsigned int f;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
	dma_addr_t *map;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
	i = tx_ring->next_to_use;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
	if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
		dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
		adapter->tx_dma_failed++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
		return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
	map = skb_shinfo(skb)->dma_maps;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
	offset = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
	while (len) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
		buffer_info = &tx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
		size = min(len, max_per_txd);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
		buffer_info->length = size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
		buffer_info->time_stamp = jiffies;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
		buffer_info->next_to_watch = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
		buffer_info->dma = skb_shinfo(skb)->dma_head + offset;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
		count++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
		len -= size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
		offset += size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
		if (len) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
			i++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
			if (i == tx_ring->count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
				i = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
	for (f = 0; f < nr_frags; f++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
		struct skb_frag_struct *frag;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
		frag = &skb_shinfo(skb)->frags[f];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
		len = frag->size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
		offset = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
		while (len) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
			i++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
			if (i == tx_ring->count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
				i = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
			buffer_info = &tx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
			size = min(len, max_per_txd);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
			buffer_info->length = size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
			buffer_info->time_stamp = jiffies;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
			buffer_info->next_to_watch = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
			buffer_info->dma = map[f] + offset;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
			len -= size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
			offset += size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
			count++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
	tx_ring->buffer_info[i].skb = skb;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
	tx_ring->buffer_info[first].next_to_watch = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
	return count;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
static void e1000_tx_queue(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
			   int tx_flags, int count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
	struct e1000_tx_desc *tx_desc = NULL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
	struct e1000_buffer *buffer_info;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
	unsigned int i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
	if (tx_flags & E1000_TX_FLAGS_TSO) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
			     E1000_TXD_CMD_TSE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
		if (tx_flags & E1000_TX_FLAGS_IPV4)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	if (tx_flags & E1000_TX_FLAGS_CSUM) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	if (tx_flags & E1000_TX_FLAGS_VLAN) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
		txd_lower |= E1000_TXD_CMD_VLE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	i = tx_ring->next_to_use;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
	while (count--) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
		buffer_info = &tx_ring->buffer_info[i];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
		tx_desc = E1000_TX_DESC(*tx_ring, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
		tx_desc->lower.data =
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
			cpu_to_le32(txd_lower | buffer_info->length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
		tx_desc->upper.data = cpu_to_le32(txd_upper);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
		i++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
		if (i == tx_ring->count)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
			i = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
	 * Force memory writes to complete before letting h/w
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
	 * know there are new descriptors to fetch.  (Only
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
	 * applicable for weak-ordered memory model archs,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
	 * such as IA-64).
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
	wmb();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
	tx_ring->next_to_use = i;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	writel(i, adapter->hw.hw_addr + tx_ring->tail);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
	 * we need this if more than one processor can write to our tail
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	 * at a time, it synchronizes IO on IA64/Altix systems
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	mmiowb();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
#define MINIMUM_DHCP_PACKET_SIZE 282
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
				    struct sk_buff *skb)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	struct e1000_hw *hw =  &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
	u16 length, offset;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
	if (vlan_tx_tag_present(skb)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
		    && (adapter->hw.mng_cookie.status &
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
			return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
		return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
	if (((struct ethhdr *) skb->data)->h_proto != htons(ETH_P_IP))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
		return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
	{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
		const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
		struct udphdr *udp;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
		if (ip->protocol != IPPROTO_UDP)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
			return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
		udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
		if (ntohs(udp->dest) != 67)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
			return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
		offset = (u8 *)udp + 8 - skb->data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
		length = skb->len - offset;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		return e1000e_mng_write_dhcp_info(hw, (u8 *)udp + 8, length);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
	netif_stop_queue(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
	 * Herbert's original patch had:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
	 *  smp_mb__after_netif_stop_queue();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
	 * but since that doesn't exist yet, just open code it.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
	smp_mb();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
	 * We need to check again in a case another CPU has just
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
	 * made room available.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
	if (e1000_desc_unused(adapter->tx_ring) < size)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
		return -EBUSY;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
	/* A reprieve! */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
	netif_start_queue(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
	++adapter->restart_queue;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
static int e1000_maybe_stop_tx(struct net_device *netdev, int size)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
	if (e1000_desc_unused(adapter->tx_ring) >= size)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
		return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
	return __e1000_maybe_stop_tx(netdev, size);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
				    struct net_device *netdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	struct e1000_ring *tx_ring = adapter->tx_ring;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
	unsigned int first;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	unsigned int max_per_txd = E1000_MAX_PER_TXD;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
	unsigned int tx_flags = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
	unsigned int len = skb->len - skb->data_len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
	unsigned int nr_frags;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
	unsigned int mss;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	int count = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
	int tso;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	unsigned int f;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
	if (test_bit(__E1000_DOWN, &adapter->state)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
		if (!adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
			dev_kfree_skb_any(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
		return NETDEV_TX_OK;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
	if (skb->len <= 0) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
		if (!adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
			dev_kfree_skb_any(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
		return NETDEV_TX_OK;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
	mss = skb_shinfo(skb)->gso_size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
	 * The controller does a simple calculation to
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
	 * make sure there is enough room in the FIFO before
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
	 * initiating the DMA for each buffer.  The calc is:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
	 * 4 = ceil(buffer len/mss).  To make sure we don't
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
	 * overrun the FIFO, adjust the max buffer len if mss
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
	 * drops.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
	if (mss) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
		u8 hdr_len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
		max_per_txd = min(mss << 2, max_per_txd);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
		max_txd_pwr = fls(max_per_txd) - 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
		 * TSO Workaround for 82571/2/3 Controllers -- if skb->data
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
		 * points to just header, pull a few bytes of payload from
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
		 * frags into skb->data
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
		 * we do this workaround for ES2LAN, but it is un-necessary,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
		 * avoiding it could save a lot of cycles
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
		 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
		if (skb->data_len && (hdr_len == len)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
			unsigned int pull_size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
			pull_size = min((unsigned int)4, skb->data_len);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
			if (!__pskb_pull_tail(skb, pull_size)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
				e_err("__pskb_pull_tail failed.\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
				if (!adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
					dev_kfree_skb_any(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
				return NETDEV_TX_OK;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
			len = skb->len - skb->data_len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
	/* reserve a descriptor for the offload context */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
		count++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
	count++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
	count += TXD_USE_COUNT(len, max_txd_pwr);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
	nr_frags = skb_shinfo(skb)->nr_frags;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
	for (f = 0; f < nr_frags; f++)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
				       max_txd_pwr);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
	if (adapter->hw.mac.tx_pkt_filtering)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
		e1000_transfer_dhcp_info(adapter, skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
	 * need: count + 2 desc gap to keep tail from touching
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
	 * head, otherwise try next time
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
	if (!adapter->ecdev && e1000_maybe_stop_tx(netdev, count + 2))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
		return NETDEV_TX_BUSY;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
	if (adapter->vlgrp && vlan_tx_tag_present(skb)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
		tx_flags |= E1000_TX_FLAGS_VLAN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
	first = tx_ring->next_to_use;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
	tso = e1000_tso(adapter, skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
	if (tso < 0) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
		if (!adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
			dev_kfree_skb_any(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
		return NETDEV_TX_OK;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
	if (tso)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
		tx_flags |= E1000_TX_FLAGS_TSO;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
	else if (e1000_tx_csum(adapter, skb))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
		tx_flags |= E1000_TX_FLAGS_CSUM;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
	 * Old method was to assume IPv4 packet by default if TSO was enabled.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
	 * no longer assume, we must.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
	if (skb->protocol == htons(ETH_P_IP))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
		tx_flags |= E1000_TX_FLAGS_IPV4;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
	/* if count is 0 then mapping error has occured */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
	count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
	if (count) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
		e1000_tx_queue(adapter, tx_flags, count);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
		/* Make sure there is space in the ring for the next send. */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
		if (!adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
			e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
		if (!adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
			dev_kfree_skb_any(skb);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
		tx_ring->buffer_info[first].time_stamp = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
		tx_ring->next_to_use = first;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
	return NETDEV_TX_OK;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
 * e1000_tx_timeout - Respond to a Tx Hang
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
 * @netdev: network interface device structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
static void e1000_tx_timeout(struct net_device *netdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
	/* Do the reset outside of interrupt context */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
	adapter->tx_timeout_count++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
	schedule_work(&adapter->reset_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
static void e1000_reset_task(struct work_struct *work)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
	struct e1000_adapter *adapter;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
	adapter = container_of(work, struct e1000_adapter, reset_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
	e1000e_reinit_locked(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
 * e1000_get_stats - Get System Network Statistics
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
 * @netdev: network interface device structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
 * Returns the address of the device statistics structure.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
 * The statistics are actually updated from the timer callback.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
	/* only return the current stats */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
	return &adapter->net_stats;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
 * e1000_change_mtu - Change the Maximum Transfer Unit
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
 * @netdev: network interface device structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
 * @new_mtu: new value for maximum frame size
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
 * Returns 0 on success, negative on failure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
	if (adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
		return -EBUSY;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
	/* Jumbo frame support */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
	if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
	    !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
		e_err("Jumbo Frames not supported.\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
		return -EINVAL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	/* Supported frame sizes */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
	if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
	    (max_frame > adapter->max_hw_frame_size)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
		e_err("Unsupported MTU setting\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
		return -EINVAL;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
		msleep(1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
	/* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
	adapter->max_frame_size = max_frame;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
	e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
	netdev->mtu = new_mtu;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
	if (netif_running(netdev))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
		e1000e_down(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	 * NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
	 * means we reserve 2 more, this pushes us to allocate from the next
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
	 * larger slab size.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
	 * i.e. RXBUFFER_2048 --> size-4096 slab
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
	 * However with the new *_jumbo_rx* routines, jumbo receives will use
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
	 * fragmented skbs
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
	if (max_frame <= 2048)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
		adapter->rx_buffer_len = 2048;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
	else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
		adapter->rx_buffer_len = 4096;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
	/* adjust allocation if LPE protects us, and we aren't using SBP */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
	     (max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
					 + ETH_FCS_LEN;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	if (netif_running(netdev))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
		e1000e_up(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
	else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
		e1000e_reset(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
	clear_bit(__E1000_RESETTING, &adapter->state);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
			   int cmd)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
	struct mii_ioctl_data *data = if_mii(ifr);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
		return -EOPNOTSUPP;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
	switch (cmd) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
	case SIOCGMIIPHY:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
		data->phy_id = adapter->hw.phy.addr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
	case SIOCGMIIREG:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
		switch (data->reg_num & 0x1F) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
		case MII_BMCR:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
			data->val_out = adapter->phy_regs.bmcr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
		case MII_BMSR:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
			data->val_out = adapter->phy_regs.bmsr;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
		case MII_PHYSID1:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
			data->val_out = (adapter->hw.phy.id >> 16);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
		case MII_PHYSID2:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
			data->val_out = (adapter->hw.phy.id & 0xFFFF);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
		case MII_ADVERTISE:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
			data->val_out = adapter->phy_regs.advertise;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
		case MII_LPA:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
			data->val_out = adapter->phy_regs.lpa;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
		case MII_EXPANSION:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
			data->val_out = adapter->phy_regs.expansion;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
		case MII_CTRL1000:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
			data->val_out = adapter->phy_regs.ctrl1000;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
		case MII_STAT1000:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
			data->val_out = adapter->phy_regs.stat1000;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
		case MII_ESTATUS:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
			data->val_out = adapter->phy_regs.estatus;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
		default:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
			return -EIO;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
		break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
	case SIOCSMIIREG:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
	default:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
		return -EOPNOTSUPP;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
	switch (cmd) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
	case SIOCGMIIPHY:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
	case SIOCGMIIREG:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
	case SIOCSMIIREG:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
		return e1000_mii_ioctl(netdev, ifr, cmd);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
	default:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
		return -EOPNOTSUPP;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
	u32 i, mac_reg;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
	u16 phy_reg;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
	int retval = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
	/* copy MAC RARs to PHY RARs */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
	for (i = 0; i < adapter->hw.mac.rar_entry_count; i++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
		mac_reg = er32(RAL(i));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
		e1e_wphy(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
		e1e_wphy(hw, BM_RAR_M(i), (u16)((mac_reg >> 16) & 0xFFFF));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
		mac_reg = er32(RAH(i));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
		e1e_wphy(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
		e1e_wphy(hw, BM_RAR_CTRL(i), (u16)((mac_reg >> 16) & 0xFFFF));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
	/* copy MAC MTA to PHY MTA */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
		mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
		e1e_wphy(hw, BM_MTA(i), (u16)(mac_reg & 0xFFFF));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
		e1e_wphy(hw, BM_MTA(i) + 1, (u16)((mac_reg >> 16) & 0xFFFF));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
	/* configure PHY Rx Control register */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
	e1e_rphy(&adapter->hw, BM_RCTL, &phy_reg);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
	mac_reg = er32(RCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
	if (mac_reg & E1000_RCTL_UPE)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
		phy_reg |= BM_RCTL_UPE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
	if (mac_reg & E1000_RCTL_MPE)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
		phy_reg |= BM_RCTL_MPE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	phy_reg &= ~(BM_RCTL_MO_MASK);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
	if (mac_reg & E1000_RCTL_MO_3)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
		phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
				<< BM_RCTL_MO_SHIFT);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
	if (mac_reg & E1000_RCTL_BAM)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
		phy_reg |= BM_RCTL_BAM;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	if (mac_reg & E1000_RCTL_PMCF)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
		phy_reg |= BM_RCTL_PMCF;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
	mac_reg = er32(CTRL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	if (mac_reg & E1000_CTRL_RFCE)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
		phy_reg |= BM_RCTL_RFCE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
	e1e_wphy(&adapter->hw, BM_RCTL, phy_reg);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
	/* enable PHY wakeup in MAC register */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
	ew32(WUFC, wufc);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
	/* configure and enable PHY wakeup in PHY registers */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
	e1e_wphy(&adapter->hw, BM_WUFC, wufc);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
	e1e_wphy(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
	/* activate PHY wakeup */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	retval = hw->phy.ops.acquire_phy(hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
	if (retval) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
		e_err("Could not acquire PHY\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
		return retval;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
	e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	                         (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	retval = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	if (retval) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
		e_err("Could not read PHY page 769\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
		goto out;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	phy_reg |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
	retval = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
	if (retval)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
		e_err("Could not set PHY Host Wakeup bit\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
out:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
	hw->phy.ops.release_phy(hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
	return retval;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
	struct net_device *netdev = pci_get_drvdata(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
	u32 ctrl, ctrl_ext, rctl, status;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
	u32 wufc = adapter->wol;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
	int retval = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
	netif_device_detach(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
	if (netif_running(netdev)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
		e1000e_down(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
		e1000_free_irq(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
	e1000e_reset_interrupt_capability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
	retval = pci_save_state(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
	if (retval)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
		return retval;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
	status = er32(STATUS);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	if (status & E1000_STATUS_LU)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
		wufc &= ~E1000_WUFC_LNKC;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
	if (wufc) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
		e1000_setup_rctl(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
		e1000_set_multi(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
		/* turn on all-multi mode if wake on multicast is enabled */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		if (wufc & E1000_WUFC_MC) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
			rctl = er32(RCTL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
			rctl |= E1000_RCTL_MPE;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
			ew32(RCTL, rctl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
		ctrl = er32(CTRL);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
		/* advertise wake from D3Cold */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
		#define E1000_CTRL_ADVD3WUC 0x00100000
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
		/* phy power management enable */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
		#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
		ctrl |= E1000_CTRL_ADVD3WUC;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
		if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
			ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
		ew32(CTRL, ctrl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
		if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
		    adapter->hw.phy.media_type ==
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
		    e1000_media_type_internal_serdes) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
			/* keep the laser running in D3 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
			ctrl_ext = er32(CTRL_EXT);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
			ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
			ew32(CTRL_EXT, ctrl_ext);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
		if (adapter->flags & FLAG_IS_ICH)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
			e1000e_disable_gig_wol_ich8lan(&adapter->hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
		/* Allow time for pending master requests to run */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
		e1000e_disable_pcie_master(&adapter->hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
		if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
			/* enable wakeup by the PHY */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
			retval = e1000_init_phy_wakeup(adapter, wufc);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
			if (retval)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
				return retval;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
		} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
			/* enable wakeup by the MAC */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
			ew32(WUFC, wufc);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
			ew32(WUC, E1000_WUC_PME_EN);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
		ew32(WUC, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
		ew32(WUFC, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
	*enable_wake = !!wufc;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
	/* make sure adapter isn't asleep if manageability is enabled */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
	if ((adapter->flags & FLAG_MNG_PT_ENABLED) ||
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
	    (hw->mac.ops.check_mng_mode(hw)))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
		*enable_wake = true;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
	if (adapter->hw.phy.type == e1000_phy_igp_3)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
	 * would have already happened in close and is redundant.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
	e1000_release_hw_control(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
	pci_disable_device(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
static void e1000_power_off(struct pci_dev *pdev, bool sleep, bool wake)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
	if (sleep && wake) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
		pci_prepare_to_sleep(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
	pci_wake_from_d3(pdev, wake);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
	pci_set_power_state(pdev, PCI_D3hot);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
                                    bool wake)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
	struct net_device *netdev = pci_get_drvdata(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
	 * The pci-e switch on some quad port adapters will report a
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
	 * correctable error when the MAC transitions from D0 to D3.  To
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
	 * prevent this we need to mask off the correctable errors on the
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
	 * downstream port of the pci-e switch.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
	if (adapter->flags & FLAG_IS_QUAD_PORT) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
		struct pci_dev *us_dev = pdev->bus->self;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
		int pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
		u16 devctl;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
		pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
		                      (devctl & ~PCI_EXP_DEVCTL_CERE));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
		e1000_power_off(pdev, sleep, wake);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL, devctl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
		e1000_power_off(pdev, sleep, wake);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
static void e1000e_disable_l1aspm(struct pci_dev *pdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
	int pos;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
	u16 val;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
	 * 82573 workaround - disable L1 ASPM on mobile chipsets
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
	 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
	 * L1 ASPM on various mobile (ich7) chipsets do not behave properly
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
	 * resulting in lost data or garbage information on the pci-e link
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
	 * level. This could result in (false) bad EEPROM checksum errors,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	 * long ping times (up to 2s) or even a system freeze/hang.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
	 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
	 * Unfortunately this feature saves about 1W power consumption when
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	 * active.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
	pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &val);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	if (val & 0x2) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
		dev_warn(&pdev->dev, "Disabling L1 ASPM\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
		val &= ~0x2;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
		pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, val);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
#ifdef CONFIG_PM
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	int retval;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
	bool wake;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
	struct net_device *netdev = pci_get_drvdata(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
	if (adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
		return -EBUSY;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
	retval = __e1000_shutdown(pdev, &wake);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
	if (!retval)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
		e1000_complete_shutdown(pdev, true, wake);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	return retval;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
static int e1000_resume(struct pci_dev *pdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	struct net_device *netdev = pci_get_drvdata(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	u32 err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
	if (adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
		return -EBUSY;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
	pci_set_power_state(pdev, PCI_D0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	pci_restore_state(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
	e1000e_disable_l1aspm(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
	err = pci_enable_device_mem(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
	if (err) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
		dev_err(&pdev->dev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
			"Cannot enable PCI device from suspend\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
		return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
	pci_set_master(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
	pci_enable_wake(pdev, PCI_D3hot, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
	pci_enable_wake(pdev, PCI_D3cold, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	e1000e_set_interrupt_capability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
	if (netif_running(netdev)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
		err = e1000_request_irq(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
		if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
			return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	e1000e_power_up_phy(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
	/* report the system wakeup cause from S3/S4 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
		u16 phy_data;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
		e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
		if (phy_data) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
			e_info("PHY Wakeup cause - %s\n",
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
				phy_data & E1000_WUS_EX ? "Unicast Packet" :
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
				phy_data & E1000_WUS_MC ? "Multicast Packet" :
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
				phy_data & E1000_WUS_BC ? "Broadcast Packet" :
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
				phy_data & E1000_WUS_MAG ? "Magic Packet" :
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
				phy_data & E1000_WUS_LNKC ? "Link Status "
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
				" Change" : "other");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
		e1e_wphy(&adapter->hw, BM_WUS, ~0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
		u32 wus = er32(WUS);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
		if (wus) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
			e_info("MAC Wakeup cause - %s\n",
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
				wus & E1000_WUS_EX ? "Unicast Packet" :
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
				wus & E1000_WUS_MC ? "Multicast Packet" :
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
				wus & E1000_WUS_BC ? "Broadcast Packet" :
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
				wus & E1000_WUS_MAG ? "Magic Packet" :
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
				wus & E1000_WUS_LNKC ? "Link Status Change" :
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
				"other");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
		ew32(WUS, ~0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	e1000e_reset(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
	e1000_init_manageability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
	if (netif_running(netdev))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
		e1000e_up(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
	netif_device_attach(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
	 * If the controller has AMT, do not set DRV_LOAD until the interface
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
	 * is up.  For all other cases, let the f/w know that the h/w is now
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
	 * under the control of the driver.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
	if (!(adapter->flags & FLAG_HAS_AMT))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
		e1000_get_hw_control(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
#endif
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
static void e1000_shutdown(struct pci_dev *pdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
	bool wake = false;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
	struct net_device *netdev = pci_get_drvdata(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
	
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
	if (adapter->ecdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
	__e1000_shutdown(pdev, &wake);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
	if (system_state == SYSTEM_POWER_OFF)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
		e1000_complete_shutdown(pdev, false, wake);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
#ifdef CONFIG_NET_POLL_CONTROLLER
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
 * Polling 'interrupt' - used by things like netconsole to send skbs
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
 * without having to re-enable interrupts. It's not called while
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
 * the interrupt routine is executing.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
static void e1000_netpoll(struct net_device *netdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
	disable_irq(adapter->pdev->irq);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
	e1000_intr(adapter->pdev->irq, netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
	enable_irq(adapter->pdev->irq);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
#endif
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
 * e1000_io_error_detected - called when PCI error is detected
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
 * @pdev: Pointer to PCI device
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
 * @state: The current pci connection state
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
 * This function is called after a PCI bus error affecting
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
 * this device has been detected.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
						pci_channel_state_t state)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	struct net_device *netdev = pci_get_drvdata(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
	netif_device_detach(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
	if (state == pci_channel_io_perm_failure)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
		return PCI_ERS_RESULT_DISCONNECT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	if (netif_running(netdev))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
		e1000e_down(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
	pci_disable_device(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
	/* Request a slot slot reset. */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
	return PCI_ERS_RESULT_NEED_RESET;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
 * e1000_io_slot_reset - called after the pci bus has been reset.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
 * @pdev: Pointer to PCI device
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
 * Restart the card from scratch, as if from a cold-boot. Implementation
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
 * resembles the first-half of the e1000_resume routine.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
	struct net_device *netdev = pci_get_drvdata(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
	int err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
	pci_ers_result_t result;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
	e1000e_disable_l1aspm(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
	err = pci_enable_device_mem(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	if (err) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
		dev_err(&pdev->dev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
			"Cannot re-enable PCI device after reset.\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
		result = PCI_ERS_RESULT_DISCONNECT;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
		pci_set_master(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
		pci_restore_state(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
		pci_enable_wake(pdev, PCI_D3hot, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
		pci_enable_wake(pdev, PCI_D3cold, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
		e1000e_reset(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
		ew32(WUS, ~0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
		result = PCI_ERS_RESULT_RECOVERED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
	pci_cleanup_aer_uncorrect_error_status(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
	return result;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
 * e1000_io_resume - called when traffic can start flowing again.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
 * @pdev: Pointer to PCI device
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
 * This callback is called when the error recovery driver tells us that
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
 * its OK to resume normal operation. Implementation resembles the
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
 * second-half of the e1000_resume routine.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
static void e1000_io_resume(struct pci_dev *pdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
	struct net_device *netdev = pci_get_drvdata(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
	e1000_init_manageability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
	if (netif_running(netdev)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
		if (e1000e_up(adapter)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
			dev_err(&pdev->dev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
				"can't bring device back up after reset\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
			return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
	netif_device_attach(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
	 * If the controller has AMT, do not set DRV_LOAD until the interface
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
	 * is up.  For all other cases, let the f/w know that the h/w is now
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
	 * under the control of the driver.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
	if (!(adapter->flags & FLAG_HAS_AMT))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
		e1000_get_hw_control(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
static void e1000_print_device_info(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
	struct net_device *netdev = adapter->netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
	u32 pba_num;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
	/* print bus type/speed/width info */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
	e_info("(PCI Express:2.5GB/s:%s) %pM\n",
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
	       /* bus width */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
	       ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
	        "Width x1"),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
	       /* MAC address */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
	       netdev->dev_addr);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
	e_info("Intel(R) PRO/%s Network Connection\n",
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
	       (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	e1000e_read_pba_num(hw, &pba_num);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
	e_info("MAC: %d, PHY: %d, PBA No: %06x-%03x\n",
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
	       hw->mac.type, hw->phy.type, (pba_num >> 8), (pba_num & 0xff));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
static void e1000_eeprom_checks(struct e1000_adapter *adapter)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
	struct e1000_hw *hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
	int ret_val;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
	u16 buf = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
	if (hw->mac.type != e1000_82573)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
		return;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
	if (!ret_val && (!(le16_to_cpu(buf) & (1 << 0)))) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
		/* Deep Smart Power Down (DSPD) */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
		dev_warn(&adapter->pdev->dev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
			 "Warning: detected DSPD enabled in EEPROM\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
	ret_val = e1000_read_nvm(hw, NVM_INIT_3GIO_3, 1, &buf);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	if (!ret_val && (le16_to_cpu(buf) & (3 << 2))) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
		/* ASPM enable */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
		dev_warn(&adapter->pdev->dev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
			 "Warning: detected ASPM enabled in EEPROM\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
static const struct net_device_ops e1000e_netdev_ops = {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
	.ndo_open		= e1000_open,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
	.ndo_stop		= e1000_close,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	.ndo_start_xmit		= e1000_xmit_frame,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	.ndo_get_stats		= e1000_get_stats,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
	.ndo_set_multicast_list	= e1000_set_multi,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	.ndo_set_mac_address	= e1000_set_mac,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	.ndo_change_mtu		= e1000_change_mtu,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	.ndo_do_ioctl		= e1000_ioctl,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	.ndo_tx_timeout		= e1000_tx_timeout,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
	.ndo_validate_addr	= eth_validate_addr,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
#ifdef CONFIG_NET_POLL_CONTROLLER
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
	.ndo_poll_controller	= e1000_netpoll,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
#endif
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
};
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
 * ec_poll - Ethercat poll Routine
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
 * @netdev: net device structure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
 * This function can never fail.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
void ec_poll(struct net_device *netdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
		e1000_watchdog((unsigned long) adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
		adapter->ec_watchdog_jiffies = jiffies;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
#ifdef CONFIG_PCI_MSI
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
	e1000_intr_msi(0,netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
#else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
	e1000_intr(0,netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
#endif
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
 * e1000_probe - Device Initialization Routine
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
 * @pdev: PCI device information struct
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
 * @ent: entry in e1000_pci_tbl
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
 * Returns 0 on success, negative on failure
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
 * e1000_probe initializes an adapter identified by a pci_dev structure.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
 * The OS initialization, configuring of the adapter private structure,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
 * and a hardware reset occur.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
static int __devinit e1000_probe(struct pci_dev *pdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
				 const struct pci_device_id *ent)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
	struct net_device *netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
	struct e1000_adapter *adapter;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
	struct e1000_hw *hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
	resource_size_t mmio_start, mmio_len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
	resource_size_t flash_start, flash_len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
	static int cards_found;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
	int i, err, pci_using_dac;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
	u16 eeprom_data = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
	e1000e_disable_l1aspm(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
	err = pci_enable_device_mem(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
		return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
	pci_using_dac = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
	if (!err) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
		err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
		if (!err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
			pci_using_dac = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
		if (err) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
			err = pci_set_consistent_dma_mask(pdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
							  DMA_BIT_MASK(32));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
			if (err) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
				dev_err(&pdev->dev, "No usable DMA "
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
					"configuration, aborting\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
				goto err_dma;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
			}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
	err = pci_request_selected_regions_exclusive(pdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
	                                  pci_select_bars(pdev, IORESOURCE_MEM),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
	                                  e1000e_driver_name);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
		goto err_pci_reg;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
	/* AER (Advanced Error Reporting) hooks */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
	pci_enable_pcie_error_reporting(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
	pci_set_master(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
	/* PCI config space info */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
	err = pci_save_state(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
		goto err_alloc_etherdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
	err = -ENOMEM;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
	if (!netdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
		goto err_alloc_etherdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	SET_NETDEV_DEV(netdev, &pdev->dev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
	pci_set_drvdata(pdev, netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
	adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
	hw = &adapter->hw;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
	adapter->netdev = netdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
	adapter->pdev = pdev;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
	adapter->ei = ei;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
	adapter->pba = ei->pba;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
	adapter->flags = ei->flags;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
	adapter->flags2 = ei->flags2;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
	adapter->hw.adapter = adapter;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
	adapter->hw.mac.type = ei->mac;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
	adapter->max_hw_frame_size = ei->max_hw_frame_size;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
	adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
	mmio_start = pci_resource_start(pdev, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
	mmio_len = pci_resource_len(pdev, 0);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
	err = -EIO;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
	if (!adapter->hw.hw_addr)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
		goto err_ioremap;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
	if ((adapter->flags & FLAG_HAS_FLASH) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
	    (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
		flash_start = pci_resource_start(pdev, 1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
		flash_len = pci_resource_len(pdev, 1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
		if (!adapter->hw.flash_address)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
			goto err_flashmap;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
	/* construct the net_device struct */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
	netdev->netdev_ops		= &e1000e_netdev_ops;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
	e1000e_set_ethtool_ops(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
	netdev->watchdog_timeo		= 5 * HZ;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
	netdev->mem_start = mmio_start;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
	netdev->mem_end = mmio_start + mmio_len;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
	adapter->bd_number = cards_found++;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
	e1000e_check_options(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	/* setup adapter struct */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
	err = e1000_sw_init(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
		goto err_sw_init;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
	err = -EIO;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
	err = ei->get_variants(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
	if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
		goto err_hw_init;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
	if ((adapter->flags & FLAG_IS_ICH) &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
	    (adapter->flags & FLAG_READ_ONLY_NVM))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
		e1000e_write_protect_nvm_ich8lan(&adapter->hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
	hw->mac.ops.get_bus_info(&adapter->hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
	adapter->hw.phy.autoneg_wait_to_complete = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
	/* Copper options */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
		adapter->hw.phy.mdix = AUTO_ALL_MODES;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
		adapter->hw.phy.disable_polarity_correction = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
		adapter->hw.phy.ms_type = e1000_ms_hw_default;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
	if (e1000_check_reset_block(&adapter->hw))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
		e_info("PHY reset is blocked due to SOL/IDER session.\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
	netdev->features = NETIF_F_SG |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
			   NETIF_F_HW_CSUM |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
			   NETIF_F_HW_VLAN_TX |
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
			   NETIF_F_HW_VLAN_RX;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
		netdev->features |= NETIF_F_HW_VLAN_FILTER;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
	netdev->features |= NETIF_F_TSO;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
	netdev->features |= NETIF_F_TSO6;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
	netdev->vlan_features |= NETIF_F_TSO;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
	netdev->vlan_features |= NETIF_F_TSO6;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
	netdev->vlan_features |= NETIF_F_HW_CSUM;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
	netdev->vlan_features |= NETIF_F_SG;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
	if (pci_using_dac)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
		netdev->features |= NETIF_F_HIGHDMA;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
	if (e1000e_enable_mng_pass_thru(&adapter->hw))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
		adapter->flags |= FLAG_MNG_PT_ENABLED;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
	 * before reading the NVM, reset the controller to
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
	 * put the device in a known good starting state
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
	adapter->hw.mac.ops.reset_hw(&adapter->hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
	 * systems with ASPM and others may see the checksum fail on the first
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
	 * attempt. Let's give it a few tries
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
	for (i = 0;; i++) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
		if (e1000_validate_nvm_checksum(&adapter->hw) >= 0)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
			break;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
		if (i == 2) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
			e_err("The NVM Checksum Is Not Valid\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
			err = -EIO;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
			goto err_eeprom;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
	e1000_eeprom_checks(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
	/* copy the MAC address out of the NVM */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
	if (e1000e_read_mac_addr(&adapter->hw))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
		e_err("NVM Read Error while reading MAC address\n");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
	memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
	if (!is_valid_ether_addr(netdev->perm_addr)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
		e_err("Invalid MAC Address: %pM\n", netdev->perm_addr);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
		err = -EIO;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
		goto err_eeprom;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
	init_timer(&adapter->watchdog_timer);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
	adapter->watchdog_timer.function = &e1000_watchdog;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
	adapter->watchdog_timer.data = (unsigned long) adapter;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
	init_timer(&adapter->phy_info_timer);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
	adapter->phy_info_timer.function = &e1000_update_phy_info;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
	adapter->phy_info_timer.data = (unsigned long) adapter;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
	/* Initialize link parameters. User can change them with ethtool */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
	adapter->hw.mac.autoneg = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
	adapter->fc_autoneg = 1;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
	adapter->hw.fc.requested_mode = e1000_fc_default;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
	adapter->hw.fc.current_mode = e1000_fc_default;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
	adapter->hw.phy.autoneg_advertised = 0x2f;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
	/* ring size defaults */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
	adapter->rx_ring->count = 256;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
	adapter->tx_ring->count = 256;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
	 * Initial Wake on LAN setting - If APM wake is enabled in
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
	 * the EEPROM, enable the ACPI Magic Packet filter
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
	if (adapter->flags & FLAG_APME_IN_WUC) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
		/* APME bit in EEPROM is mapped to WUC.APME */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
		eeprom_data = er32(WUC);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
		eeprom_apme_mask = E1000_WUC_APME;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
		if (eeprom_data & E1000_WUC_PHY_WAKE)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
			adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
	} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
		if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
		    (adapter->hw.bus.func == 1))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
			e1000_read_nvm(&adapter->hw,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
				NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
		else
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
			e1000_read_nvm(&adapter->hw,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
				NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
	/* fetch WoL from EEPROM */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
	if (eeprom_data & eeprom_apme_mask)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
		adapter->eeprom_wol |= E1000_WUFC_MAG;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
	 * now that we have the eeprom settings, apply the special cases
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
	 * where the eeprom may be wrong or the board simply won't support
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
	 * wake on lan on a particular port
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
	if (!(adapter->flags & FLAG_HAS_WOL))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
		adapter->eeprom_wol = 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	/* initialize the wol settings based on the eeprom settings */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
	adapter->wol = adapter->eeprom_wol;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
	/* save off EEPROM version number */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
	/* reset the hardware with the new settings */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
	e1000e_reset(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
	 * If the controller has AMT, do not set DRV_LOAD until the interface
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
	 * is up.  For all other cases, let the f/w know that the h/w is now
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
	 * under the control of the driver.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
	if (!(adapter->flags & FLAG_HAS_AMT))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
		e1000_get_hw_control(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
	adapter->ecdev = ecdev_offer(netdev,ec_poll,THIS_MODULE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
	if (adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
		if (ecdev_open(adapter->ecdev)) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
			ecdev_withdraw(adapter->ecdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
			goto err_register;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
		}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
		strcpy(netdev->name, "eth%d");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
		err = register_netdev(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
		if (err)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
			goto err_register;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
		/* carrier off reporting is important to ethtool even BEFORE open */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
		netif_carrier_off(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
	e1000_print_device_info(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
	return 0;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
err_register:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
	if (!(adapter->flags & FLAG_HAS_AMT))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
		e1000_release_hw_control(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
err_eeprom:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
	if (!e1000_check_reset_block(&adapter->hw))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
		e1000_phy_hw_reset(&adapter->hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
err_hw_init:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
	kfree(adapter->tx_ring);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
	kfree(adapter->rx_ring);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
err_sw_init:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
	if (adapter->hw.flash_address)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
		iounmap(adapter->hw.flash_address);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
	e1000e_reset_interrupt_capability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
err_flashmap:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
	iounmap(adapter->hw.hw_addr);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
err_ioremap:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
	free_netdev(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
err_alloc_etherdev:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
	pci_release_selected_regions(pdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
	                             pci_select_bars(pdev, IORESOURCE_MEM));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
err_pci_reg:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
err_dma:
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
	pci_disable_device(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
	return err;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
 * e1000_remove - Device Removal Routine
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
 * @pdev: PCI device information struct
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
 * e1000_remove is called by the PCI subsystem to alert the driver
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
 * that it should release a PCI device.  The could be caused by a
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
 * Hot-Plug event, or because the driver is going to be removed from
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
 * memory.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
static void __devexit e1000_remove(struct pci_dev *pdev)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
	struct net_device *netdev = pci_get_drvdata(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
	struct e1000_adapter *adapter = netdev_priv(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
	 * flush_scheduled work may reschedule our watchdog task, so
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
	 * explicitly disable watchdog tasks from being rescheduled
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
	set_bit(__E1000_DOWN, &adapter->state);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
	del_timer_sync(&adapter->watchdog_timer);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
	del_timer_sync(&adapter->phy_info_timer);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
	flush_scheduled_work();
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
	/*
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
	 * would have already happened in close and is redundant.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
	 */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
	e1000_release_hw_control(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
	if (adapter->ecdev) {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
		ecdev_close(adapter->ecdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
		ecdev_withdraw(adapter->ecdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
	} else {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
		unregister_netdev(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
	}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
	if (!e1000_check_reset_block(&adapter->hw))
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
		e1000_phy_hw_reset(&adapter->hw);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
	e1000e_reset_interrupt_capability(adapter);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
	kfree(adapter->tx_ring);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
	kfree(adapter->rx_ring);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
	iounmap(adapter->hw.hw_addr);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
	if (adapter->hw.flash_address)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
		iounmap(adapter->hw.flash_address);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
	pci_release_selected_regions(pdev,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
	                             pci_select_bars(pdev, IORESOURCE_MEM));
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
	free_netdev(netdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
	/* AER disable */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
	pci_disable_pcie_error_reporting(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
	pci_disable_device(pdev);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
/* PCI Error Recovery (ERS) */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
static struct pci_error_handlers e1000_err_handler = {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
	.error_detected = e1000_io_error_detected,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
	.slot_reset = e1000_io_slot_reset,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
	.resume = e1000_io_resume,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
};
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
static struct pci_device_id e1000_pci_tbl[] = {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP), board_82571 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
	  board_80003es2lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
	  board_80003es2lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_DPT),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
	  board_80003es2lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
	  board_80003es2lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_AMT), board_ich8lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LM), board_ich9lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
	{ }	/* terminate list */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
};
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
//MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
/* PCI Device API Driver */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
static struct pci_driver e1000_driver = {
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
	.name     = e1000e_driver_name,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
	.id_table = e1000_pci_tbl,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
	.probe    = e1000_probe,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
	.remove   = __devexit_p(e1000_remove),
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
#ifdef CONFIG_PM
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
	/* Power Management Hooks */
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
	.suspend  = e1000_suspend,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
	.resume   = e1000_resume,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
#endif
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
	.shutdown = e1000_shutdown,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
	.err_handler = &e1000_err_handler
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
};
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
 * e1000_init_module - Driver Registration Routine
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
 * e1000_init_module is the first routine called when the driver is
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
 * loaded. All it does is register with the PCI subsystem.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
static int __init e1000_init_module(void)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
	int ret;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
	printk(KERN_INFO "%s: Ethercat-capable Intel(R) PRO/1000 Network Driver - %s\n",
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
	       e1000e_driver_name, e1000e_driver_version);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
	printk(KERN_INFO "%s: Copyright (c) 1999-2008 Intel Corporation.\n",
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
	       e1000e_driver_name);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
	ret = pci_register_driver(&e1000_driver);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
	pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY, e1000e_driver_name,
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
			       PM_QOS_DEFAULT_VALUE);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
				
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
	return ret;
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
module_init(e1000_init_module);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
/**
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
 * e1000_exit_module - Driver Exit Cleanup Routine
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
 *
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
 * e1000_exit_module is called just before the driver is removed
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
 * from memory.
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
 **/
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
static void __exit e1000_exit_module(void)
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
{
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
	pci_unregister_driver(&e1000_driver);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
	pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY, e1000e_driver_name);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
}
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
module_exit(e1000_exit_module);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
MODULE_DESCRIPTION("Ethercat-capable Intel(R) PRO/1000 Network Driver");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
MODULE_LICENSE("GPL");
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
MODULE_VERSION(DRV_VERSION);
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
729df853b3fb Added e1000e driver for 2.6.32.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
/* e1000_main.c */