devices/e1000e/netdev-2.6.33-ethercat.c
author Florian Pose <fp@igh-essen.com>
Tue, 10 Jan 2012 11:30:03 +0100
branchredundancy
changeset 2344 2a3c1d27eb0f
parent 2324 eb87b65d995b
child 2421 bc2d4bf9cbe5
child 2589 2b9c78543663
permissions -rw-r--r--
Decreased maximum length of error message to avoid stack warning.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2009 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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  vim: noexpandtab
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*******************************************************************************/
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <linux/vmalloc.h>
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#include <linux/pagemap.h>
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#include <linux/delay.h>
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#include <linux/netdevice.h>
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#include <linux/tcp.h>
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#include <linux/ipv6.h>
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#include <net/checksum.h>
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#include <net/ip6_checksum.h>
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#include <linux/mii.h>
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#include <linux/ethtool.h>
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#include <linux/if_vlan.h>
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#include <linux/cpu.h>
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#include <linux/smp.h>
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#include <linux/pm_qos_params.h>
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#include <linux/aer.h>
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#include "e1000-2.6.33-ethercat.h"
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#define DRV_VERSION "1.0.2-k2"
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char e1000e_driver_name[] = "ec_e1000e";
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const char e1000e_driver_version[] = DRV_VERSION;
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static const struct e1000_info *e1000_info_tbl[] = {
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	[board_82571]		= &e1000_82571_info,
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	[board_82572]		= &e1000_82572_info,
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	[board_82573]		= &e1000_82573_info,
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	[board_82574]		= &e1000_82574_info,
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	[board_82583]		= &e1000_82583_info,
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	[board_80003es2lan]	= &e1000_es2_info,
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	[board_ich8lan]		= &e1000_ich8_info,
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	[board_ich9lan]		= &e1000_ich9_info,
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	[board_ich10lan]	= &e1000_ich10_info,
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	[board_pchlan]		= &e1000_pch_info,
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};
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/**
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 * e1000_desc_unused - calculate if we have unused descriptors
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 **/
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static int e1000_desc_unused(struct e1000_ring *ring)
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{
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	if (ring->next_to_clean > ring->next_to_use)
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		return ring->next_to_clean - ring->next_to_use - 1;
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	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
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}
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/**
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 * e1000_receive_skb - helper function to handle Rx indications
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 * @adapter: board private structure
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 * @status: descriptor status field as written by hardware
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 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
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 * @skb: pointer to sk_buff to be indicated to stack
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 **/
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static void e1000_receive_skb(struct e1000_adapter *adapter,
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			      struct net_device *netdev,
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			      struct sk_buff *skb,
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			      u8 status, __le16 vlan)
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{
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	skb->protocol = eth_type_trans(skb, netdev);
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	if (adapter->vlgrp && (status & E1000_RXD_STAT_VP))
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		vlan_gro_receive(&adapter->napi, adapter->vlgrp,
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				 le16_to_cpu(vlan), skb);
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	else
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		napi_gro_receive(&adapter->napi, skb);
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}
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/**
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 * e1000_rx_checksum - Receive Checksum Offload for 82543
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 * @adapter:     board private structure
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 * @status_err:  receive descriptor status and error fields
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 * @csum:	receive descriptor csum field
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 * @sk_buff:     socket buffer with received data
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 **/
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static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
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			      u32 csum, struct sk_buff *skb)
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{
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	u16 status = (u16)status_err;
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	u8 errors = (u8)(status_err >> 24);
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	skb->ip_summed = CHECKSUM_NONE;
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	/* Ignore Checksum bit is set */
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	if (status & E1000_RXD_STAT_IXSM)
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		return;
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	/* TCP/UDP checksum error bit is set */
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	if (errors & E1000_RXD_ERR_TCPE) {
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		/* let the stack verify checksum errors */
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		adapter->hw_csum_err++;
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		return;
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	}
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	/* TCP/UDP Checksum has not been calculated */
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	if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
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		return;
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	/* It must be a TCP or UDP packet with a valid checksum */
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	if (status & E1000_RXD_STAT_TCPCS) {
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		/* TCP checksum is good */
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   133
		skb->ip_summed = CHECKSUM_UNNECESSARY;
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parents:
diff changeset
   134
	} else {
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parents:
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   135
		/*
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parents:
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   136
		 * IP fragment with UDP payload
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parents:
diff changeset
   137
		 * Hardware complements the payload checksum, so we undo it
eb87b65d995b Added e1000e driver for 2.6.33.
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parents:
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   138
		 * and then put the value in host order for further stack use.
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parents:
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   139
		 */
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   140
		__sum16 sum = (__force __sum16)htons(csum);
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parents:
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   141
		skb->csum = csum_unfold(~sum);
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   142
		skb->ip_summed = CHECKSUM_COMPLETE;
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diff changeset
   143
	}
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   144
	adapter->hw_csum_good++;
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   145
}
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   146
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   147
/**
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   148
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
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   149
 * @adapter: address of board private structure
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   150
 **/
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   151
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
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   152
				   int cleaned_count)
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   153
{
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   154
	struct net_device *netdev = adapter->netdev;
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   155
	struct pci_dev *pdev = adapter->pdev;
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   156
	struct e1000_ring *rx_ring = adapter->rx_ring;
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   157
	struct e1000_rx_desc *rx_desc;
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   158
	struct e1000_buffer *buffer_info;
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   159
	struct sk_buff *skb;
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   160
	unsigned int i;
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   161
	unsigned int bufsz = adapter->rx_buffer_len;
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   162
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   163
	i = rx_ring->next_to_use;
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   164
	buffer_info = &rx_ring->buffer_info[i];
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   165
eb87b65d995b Added e1000e driver for 2.6.33.
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parents:
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   166
	while (cleaned_count--) {
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   167
		skb = buffer_info->skb;
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parents:
diff changeset
   168
		if (skb) {
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   169
			skb_trim(skb, 0);
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   170
			goto map_skb;
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parents:
diff changeset
   171
		}
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   172
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   173
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
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parents:
diff changeset
   174
		if (!skb) {
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parents:
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   175
			/* Better luck next round */
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parents:
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   176
			adapter->alloc_rx_buff_failed++;
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Florian Pose <fp@igh-essen.com>
parents:
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   177
			break;
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parents:
diff changeset
   178
		}
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parents:
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   179
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   180
		buffer_info->skb = skb;
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parents:
diff changeset
   181
map_skb:
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parents:
diff changeset
   182
		buffer_info->dma = pci_map_single(pdev, skb->data,
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
						  adapter->rx_buffer_len,
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   184
						  PCI_DMA_FROMDEVICE);
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   185
		if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
			dev_err(&pdev->dev, "RX DMA map failed\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
			adapter->rx_dma_failed++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
			break;
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
		rx_desc = E1000_RX_DESC(*rx_ring, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
		i++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
		if (i == rx_ring->count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
			i = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
		buffer_info = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
	if (rx_ring->next_to_use != i) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
		rx_ring->next_to_use = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
		if (i-- == 0)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
			i = (rx_ring->count - 1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
		 * Force memory writes to complete before letting h/w
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
		 * know there are new descriptors to fetch.  (Only
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
		 * applicable for weak-ordered memory model archs,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
		 * such as IA-64).
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
		wmb();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
		writel(i, adapter->hw.hw_addr + rx_ring->tail);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
 * @adapter: address of board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
				      int cleaned_count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
	struct pci_dev *pdev = adapter->pdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
	union e1000_rx_desc_packet_split *rx_desc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
	struct e1000_ring *rx_ring = adapter->rx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
	struct e1000_buffer *buffer_info;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
	struct e1000_ps_page *ps_page;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
	struct sk_buff *skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
	unsigned int i, j;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
	i = rx_ring->next_to_use;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
	buffer_info = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
	while (cleaned_count--) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
			ps_page = &buffer_info->ps_pages[j];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
			if (j >= adapter->rx_ps_pages) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
				/* all unused desc entries get hw null ptr */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
				rx_desc->read.buffer_addr[j+1] = ~cpu_to_le64(0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
				continue;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
			if (!ps_page->page) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
				ps_page->page = alloc_page(GFP_ATOMIC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
				if (!ps_page->page) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
					adapter->alloc_rx_buff_failed++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
					goto no_buffers;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
				}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
				ps_page->dma = pci_map_page(pdev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
						   ps_page->page,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
						   0, PAGE_SIZE,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
						   PCI_DMA_FROMDEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
				if (pci_dma_mapping_error(pdev, ps_page->dma)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
					dev_err(&adapter->pdev->dev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
					  "RX DMA page map failed\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
					adapter->rx_dma_failed++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
					goto no_buffers;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
				}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
			/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
			 * Refresh the desc even if buffer_addrs
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
			 * didn't change because each write-back
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
			 * erases this info.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
			 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
			rx_desc->read.buffer_addr[j+1] =
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
			     cpu_to_le64(ps_page->dma);
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
		}
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parents:
diff changeset
   270
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
		skb = netdev_alloc_skb_ip_align(netdev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
						adapter->rx_ps_bsize0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
		if (!skb) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
			adapter->alloc_rx_buff_failed++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
			break;
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
		buffer_info->skb = skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
		buffer_info->dma = pci_map_single(pdev, skb->data,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
						  adapter->rx_ps_bsize0,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
						  PCI_DMA_FROMDEVICE);
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
		if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
			dev_err(&pdev->dev, "RX DMA map failed\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
			adapter->rx_dma_failed++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
			/* cleanup skb */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
			dev_kfree_skb_any(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
			buffer_info->skb = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
		i++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
		if (i == rx_ring->count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
			i = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
		buffer_info = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
no_buffers:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
	if (rx_ring->next_to_use != i) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
		rx_ring->next_to_use = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
		if (!(i--))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
			i = (rx_ring->count - 1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
		 * Force memory writes to complete before letting h/w
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
		 * know there are new descriptors to fetch.  (Only
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
		 * applicable for weak-ordered memory model archs,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
		 * such as IA-64).
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
		wmb();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
		 * Hardware increments by 16 bytes, but packet split
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
		 * descriptors are 32 bytes...so we increment tail
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
		 * twice as much.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
		writel(i<<1, adapter->hw.hw_addr + rx_ring->tail);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
 * @adapter: address of board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
 * @cleaned_count: number of buffers to allocate this pass
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
                                         int cleaned_count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
	struct pci_dev *pdev = adapter->pdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
	struct e1000_rx_desc *rx_desc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
	struct e1000_ring *rx_ring = adapter->rx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
	struct e1000_buffer *buffer_info;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	struct sk_buff *skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
	unsigned int i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	unsigned int bufsz = 256 - 16 /* for skb_reserve */;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
	i = rx_ring->next_to_use;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
	buffer_info = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
	while (cleaned_count--) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
		skb = buffer_info->skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
		if (skb) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
			skb_trim(skb, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
			goto check_page;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
		if (unlikely(!skb)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
			/* Better luck next round */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
			adapter->alloc_rx_buff_failed++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
		buffer_info->skb = skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
check_page:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
		/* allocate a new page if necessary */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
		if (!buffer_info->page) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
			buffer_info->page = alloc_page(GFP_ATOMIC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
			if (unlikely(!buffer_info->page)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
				adapter->alloc_rx_buff_failed++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
				break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
		if (!buffer_info->dma)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
			buffer_info->dma = pci_map_page(pdev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
			                                buffer_info->page, 0,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
			                                PAGE_SIZE,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
			                                PCI_DMA_FROMDEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
		rx_desc = E1000_RX_DESC(*rx_ring, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
		if (unlikely(++i == rx_ring->count))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
			i = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
		buffer_info = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
	if (likely(rx_ring->next_to_use != i)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
		rx_ring->next_to_use = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
		if (unlikely(i-- == 0))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
			i = (rx_ring->count - 1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
		/* Force memory writes to complete before letting h/w
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
		 * know there are new descriptors to fetch.  (Only
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
		 * applicable for weak-ordered memory model archs,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
		 * such as IA-64). */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
		wmb();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
		writel(i, adapter->hw.hw_addr + rx_ring->tail);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
 * the return value indicates whether actual cleaning was done, there
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
 * is no guarantee that everything was cleaned
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
			       int *work_done, int work_to_do)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
	struct pci_dev *pdev = adapter->pdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	struct e1000_ring *rx_ring = adapter->rx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	struct e1000_rx_desc *rx_desc, *next_rxd;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	struct e1000_buffer *buffer_info, *next_buffer;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	u32 length;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	unsigned int i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	int cleaned_count = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	bool cleaned = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	i = rx_ring->next_to_clean;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	rx_desc = E1000_RX_DESC(*rx_ring, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	buffer_info = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
	while (rx_desc->status & E1000_RXD_STAT_DD) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
		struct sk_buff *skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
		u8 status;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
		if (*work_done >= work_to_do)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
		(*work_done)++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
		status = rx_desc->status;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
		skb = buffer_info->skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
		if (!adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
			buffer_info->skb = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
		prefetch(skb->data - NET_IP_ALIGN);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
		i++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
		if (i == rx_ring->count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
			i = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
		next_rxd = E1000_RX_DESC(*rx_ring, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
		prefetch(next_rxd);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
		next_buffer = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
		cleaned = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
		cleaned_count++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
		pci_unmap_single(pdev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
				 buffer_info->dma,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
				 adapter->rx_buffer_len,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
				 PCI_DMA_FROMDEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
		buffer_info->dma = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
		length = le16_to_cpu(rx_desc->length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
		 * !EOP means multiple descriptors were used to store a single
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
		 * packet, if that's the case we need to toss it.  In fact, we
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
		 * need to toss every packet with the EOP bit clear and the
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
		 * next frame that _does_ have the EOP bit set, as it is by
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
		 * definition only a frame fragment
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
			adapter->flags2 |= FLAG2_IS_DISCARDING;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
			/* All receives must fit into a single buffer */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
			e_dbg("Receive packet consumed multiple buffers\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
			/* recycle */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
			buffer_info->skb = skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
			if (status & E1000_RXD_STAT_EOP)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
			goto next_desc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		if (!adapter->ecdev && (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
			/* recycle */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
			buffer_info->skb = skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
			goto next_desc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
		/* adjust length to remove Ethernet CRC */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
			length -= 4;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
		total_rx_bytes += length;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
		total_rx_packets++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
		 * code added for copybreak, this should improve
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		 * performance for small packets with large amounts
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
		 * of reassembly being done in the stack
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		if (!adapter->ecdev && length < copybreak) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
			struct sk_buff *new_skb =
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
			    netdev_alloc_skb_ip_align(netdev, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
			if (new_skb) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
				skb_copy_to_linear_data_offset(new_skb,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
							       -NET_IP_ALIGN,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
							       (skb->data -
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
								NET_IP_ALIGN),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
							       (length +
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
								NET_IP_ALIGN));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
				/* save the skb in buffer_info as good */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
				buffer_info->skb = skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
				skb = new_skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
			/* else just continue with the old one */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		/* end copybreak code */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
		skb_put(skb, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
		/* Receive Checksum Offload */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
		e1000_rx_checksum(adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
				  (u32)(status) |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
				  ((u32)(rx_desc->errors) << 24),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
				  le16_to_cpu(rx_desc->csum), skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
		if (adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
			ecdev_receive(adapter->ecdev, skb->data, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
			adapter->ec_watchdog_jiffies = jiffies;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
		} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
			e1000_receive_skb(adapter, netdev, skb,status,rx_desc->special);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
next_desc:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
		rx_desc->status = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
		/* return some buffers to hardware, one at a time is too slow */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
			adapter->alloc_rx_buf(adapter, cleaned_count);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
			cleaned_count = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
		/* use prefetched values */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
		rx_desc = next_rxd;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
		buffer_info = next_buffer;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	rx_ring->next_to_clean = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	cleaned_count = e1000_desc_unused(rx_ring);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
	if (cleaned_count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
		adapter->alloc_rx_buf(adapter, cleaned_count);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	adapter->total_rx_bytes += total_rx_bytes;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	adapter->total_rx_packets += total_rx_packets;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	netdev->stats.rx_bytes += total_rx_bytes;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	netdev->stats.rx_packets += total_rx_packets;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
	return cleaned;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
static void e1000_put_txbuf(struct e1000_adapter *adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
			     struct e1000_buffer *buffer_info)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	if (buffer_info->dma) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
		if (buffer_info->mapped_as_page)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
			pci_unmap_page(adapter->pdev, buffer_info->dma,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
				       buffer_info->length, PCI_DMA_TODEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
		else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
			pci_unmap_single(adapter->pdev,	buffer_info->dma,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
					 buffer_info->length,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
					 PCI_DMA_TODEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
		buffer_info->dma = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	if (buffer_info->skb) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
		dev_kfree_skb_any(buffer_info->skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
		buffer_info->skb = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	buffer_info->time_stamp = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
static void e1000_print_hw_hang(struct work_struct *work)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	struct e1000_adapter *adapter = container_of(work,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
	                                             struct e1000_adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	                                             print_hang_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	unsigned int i = tx_ring->next_to_clean;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	u16 phy_status, phy_1000t_status, phy_ext_status;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	u16 pci_status;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	e1e_rphy(hw, PHY_STATUS, &phy_status);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	/* detected Hardware unit hang */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	e_err("Detected Hardware Unit Hang:\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	      "  TDH                  <%x>\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	      "  TDT                  <%x>\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	      "  next_to_use          <%x>\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	      "  next_to_clean        <%x>\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	      "buffer_info[next_to_clean]:\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	      "  time_stamp           <%lx>\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	      "  next_to_watch        <%x>\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	      "  jiffies              <%lx>\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	      "  next_to_watch.status <%x>\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	      "MAC Status             <%x>\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	      "PHY Status             <%x>\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	      "PHY 1000BASE-T Status  <%x>\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	      "PHY Extended Status    <%x>\n"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	      "PCI Status             <%x>\n",
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	      readl(adapter->hw.hw_addr + tx_ring->head),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	      readl(adapter->hw.hw_addr + tx_ring->tail),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	      tx_ring->next_to_use,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	      tx_ring->next_to_clean,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	      tx_ring->buffer_info[eop].time_stamp,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	      eop,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	      jiffies,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	      eop_desc->upper.fields.status,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	      er32(STATUS),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	      phy_status,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	      phy_1000t_status,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	      phy_ext_status,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	      pci_status);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
 * the return value indicates whether actual cleaning was done, there
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
 * is no guarantee that everything was cleaned
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
	struct e1000_tx_desc *tx_desc, *eop_desc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
	struct e1000_buffer *buffer_info;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	unsigned int i, eop;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	unsigned int count = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	unsigned int total_tx_bytes = 0, total_tx_packets = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	i = tx_ring->next_to_clean;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
	eop = tx_ring->buffer_info[i].next_to_watch;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
	       (count < tx_ring->count)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		bool cleaned = false;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
		for (; !cleaned; count++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
			tx_desc = E1000_TX_DESC(*tx_ring, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
			buffer_info = &tx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
			cleaned = (i == eop);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
			if (cleaned) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
				struct sk_buff *skb = buffer_info->skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
				unsigned int segs, bytecount;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
				segs = skb_shinfo(skb)->gso_segs ?: 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
				/* multiply data chunks by size of headers */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
				bytecount = ((segs - 1) * skb_headlen(skb)) +
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
					    skb->len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
				total_tx_packets += segs;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
				total_tx_bytes += bytecount;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
			if (!adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
				e1000_put_txbuf(adapter, buffer_info);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
			tx_desc->upper.data = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
			i++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
			if (i == tx_ring->count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
				i = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
		if (i == tx_ring->next_to_use)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		eop = tx_ring->buffer_info[i].next_to_watch;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	tx_ring->next_to_clean = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
#define TX_WAKE_THRESHOLD 32
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	if (!adapter->ecdev && count && netif_carrier_ok(netdev) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	    e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
		/* Make sure that anybody stopping the queue after this
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
		 * sees the new next_to_clean.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		smp_mb();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		if (netif_queue_stopped(netdev) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
		    !(test_bit(__E1000_DOWN, &adapter->state))) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
			netif_wake_queue(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
			++adapter->restart_queue;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	if (!adapter->ecdev && adapter->detect_tx_hung) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
		 * Detect a transmit hang in hardware, this serializes the
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		 * check with the clearing of time_stamp and movement of i
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		adapter->detect_tx_hung = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		if (tx_ring->buffer_info[i].time_stamp &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
			       + (adapter->tx_timeout_factor * HZ)) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
			schedule_work(&adapter->print_hang_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
			netif_stop_queue(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	adapter->total_tx_bytes += total_tx_bytes;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	adapter->total_tx_packets += total_tx_packets;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	netdev->stats.tx_bytes += total_tx_bytes;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	netdev->stats.tx_packets += total_tx_packets;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	return (count < tx_ring->count);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
 * the return value indicates whether actual cleaning was done, there
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
 * is no guarantee that everything was cleaned
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
				  int *work_done, int work_to_do)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	struct pci_dev *pdev = adapter->pdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	struct e1000_ring *rx_ring = adapter->rx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	struct e1000_buffer *buffer_info, *next_buffer;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	struct e1000_ps_page *ps_page;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
	struct sk_buff *skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	unsigned int i, j;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	u32 length, staterr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	int cleaned_count = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	bool cleaned = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	i = rx_ring->next_to_clean;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	buffer_info = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	while (staterr & E1000_RXD_STAT_DD) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
		if (*work_done >= work_to_do)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
		(*work_done)++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
		skb = buffer_info->skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
		/* in the packet split case this is header only */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
		prefetch(skb->data - NET_IP_ALIGN);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
		i++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
		if (i == rx_ring->count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
			i = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
		prefetch(next_rxd);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
		next_buffer = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
		cleaned = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
		cleaned_count++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
		pci_unmap_single(pdev, buffer_info->dma,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
				 adapter->rx_ps_bsize0,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
				 PCI_DMA_FROMDEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
		buffer_info->dma = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
		/* see !EOP comment in other rx routine */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
		if (!(staterr & E1000_RXD_STAT_EOP))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
			adapter->flags2 |= FLAG2_IS_DISCARDING;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
			e_dbg("Packet Split buffers didn't pick up the full "
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
			      "packet\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
			if (!adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
				dev_kfree_skb_irq(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
			if (staterr & E1000_RXD_STAT_EOP)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
			goto next_desc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		if (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
			if (!adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
				dev_kfree_skb_irq(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
			goto next_desc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
		length = le16_to_cpu(rx_desc->wb.middle.length0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
		if (!length) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
			e_dbg("Last part of the packet spanning multiple "
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
			      "descriptors\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
			if (!adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
				dev_kfree_skb_irq(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
			goto next_desc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
		/* Good Receive */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
		skb_put(skb, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
		{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
		 * this looks ugly, but it seems compiler issues make it
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
		 * more efficient than reusing j
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
		 * page alloc/put takes too long and effects small packet
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
		 * throughput, so unsplit small packets and save the alloc/put
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		 * only valid in softirq (napi) context to call kmap_*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
		if (l1 && (l1 <= copybreak) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
		    ((length + l1) <= adapter->rx_ps_bsize0)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
			u8 *vaddr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
			ps_page = &buffer_info->ps_pages[0];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
			/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
			 * there is no documentation about how to call
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
			 * kmap_atomic, so we can't hold the mapping
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
			 * very long
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
			 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
			pci_dma_sync_single_for_cpu(pdev, ps_page->dma,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
			vaddr = kmap_atomic(ps_page->page, KM_SKB_DATA_SOFTIRQ);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
			memcpy(skb_tail_pointer(skb), vaddr, l1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
			pci_dma_sync_single_for_device(pdev, ps_page->dma,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
			/* remove the CRC */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
			if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
				l1 -= 4;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
			skb_put(skb, l1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
			goto copydone;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
		} /* if */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
			length = le16_to_cpu(rx_desc->wb.upper.length[j]);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
			if (!length)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
				break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
			ps_page = &buffer_info->ps_pages[j];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
			pci_unmap_page(pdev, ps_page->dma, PAGE_SIZE,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
				       PCI_DMA_FROMDEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
			ps_page->dma = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
			skb_fill_page_desc(skb, j, ps_page->page, 0, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
			ps_page->page = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
			skb->len += length;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
			skb->data_len += length;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
			skb->truesize += length;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		/* strip the ethernet crc, problem is we're using pages now so
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
		 * this whole operation can get a little cpu intensive
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
			pskb_trim(skb, skb->len - 4);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
copydone:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
		total_rx_bytes += skb->len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
		total_rx_packets++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
		e1000_rx_checksum(adapter, staterr, le16_to_cpu(
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
			rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		if (rx_desc->wb.upper.header_status &
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
			adapter->rx_hdr_split++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
		if (adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
			ecdev_receive(adapter->ecdev, skb->data, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
			adapter->ec_watchdog_jiffies = jiffies;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
		} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
			e1000_receive_skb(adapter, netdev, skb,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
					  staterr, rx_desc->wb.middle.vlan);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
next_desc:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
		if (!adapter->ecdev) buffer_info->skb = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		/* return some buffers to hardware, one at a time is too slow */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
			adapter->alloc_rx_buf(adapter, cleaned_count);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
			cleaned_count = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		/* use prefetched values */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
		rx_desc = next_rxd;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
		buffer_info = next_buffer;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	rx_ring->next_to_clean = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	cleaned_count = e1000_desc_unused(rx_ring);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	if (cleaned_count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
		adapter->alloc_rx_buf(adapter, cleaned_count);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	adapter->total_rx_bytes += total_rx_bytes;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
	adapter->total_rx_packets += total_rx_packets;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	netdev->stats.rx_bytes += total_rx_bytes;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
	netdev->stats.rx_packets += total_rx_packets;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
	return cleaned;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
 * e1000_consume_page - helper function
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
                               u16 length)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	bi->page = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	skb->len += length;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	skb->data_len += length;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	skb->truesize += length;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
 * the return value indicates whether actual cleaning was done, there
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
 * is no guarantee that everything was cleaned
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
                                     int *work_done, int work_to_do)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	struct pci_dev *pdev = adapter->pdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	struct e1000_ring *rx_ring = adapter->rx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	struct e1000_rx_desc *rx_desc, *next_rxd;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	struct e1000_buffer *buffer_info, *next_buffer;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	u32 length;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	unsigned int i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	int cleaned_count = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	bool cleaned = false;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	unsigned int total_rx_bytes=0, total_rx_packets=0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	i = rx_ring->next_to_clean;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	rx_desc = E1000_RX_DESC(*rx_ring, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	buffer_info = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	while (rx_desc->status & E1000_RXD_STAT_DD) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
		struct sk_buff *skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
		u8 status;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
		if (*work_done >= work_to_do)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
		(*work_done)++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
		status = rx_desc->status;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
		skb = buffer_info->skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
		if (!adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
			buffer_info->skb = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
		++i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
		if (i == rx_ring->count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
			i = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
		next_rxd = E1000_RX_DESC(*rx_ring, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
		prefetch(next_rxd);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
		next_buffer = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
		cleaned = true;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
		cleaned_count++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
		pci_unmap_page(pdev, buffer_info->dma, PAGE_SIZE,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
		               PCI_DMA_FROMDEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
		buffer_info->dma = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
		length = le16_to_cpu(rx_desc->length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
		/* errors is only valid for DD + EOP descriptors */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
		if (!adapter->ecdev && unlikely((status & E1000_RXD_STAT_EOP) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
				/* recycle both page and skb */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
				buffer_info->skb = skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
				/* an error means any chain goes out the window
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
				 * too */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
				if (rx_ring->rx_skb_top)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
					dev_kfree_skb(rx_ring->rx_skb_top);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
				rx_ring->rx_skb_top = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
				goto next_desc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
#define rxtop rx_ring->rx_skb_top
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
		if (!(status & E1000_RXD_STAT_EOP)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
			/* this descriptor is only the beginning (or middle) */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
			if (!rxtop) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
				/* this is the beginning of a chain */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
				rxtop = skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
				                   0, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
			} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
				/* this is the middle of a chain */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
				skb_fill_page_desc(rxtop,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
				    skb_shinfo(rxtop)->nr_frags,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
				    buffer_info->page, 0, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
				/* re-use the skb, only consumed the page */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
				buffer_info->skb = skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
			e1000_consume_page(buffer_info, rxtop, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
			goto next_desc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
		} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
			if (rxtop) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
				/* end of the chain */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
				skb_fill_page_desc(rxtop,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
				    skb_shinfo(rxtop)->nr_frags,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
				    buffer_info->page, 0, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
				/* re-use the current skb, we only consumed the
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
				 * page */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
				buffer_info->skb = skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
				skb = rxtop;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
				rxtop = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
				e1000_consume_page(buffer_info, skb, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
			} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
				/* no chain, got EOP, this buf is the packet
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
				 * copybreak to save the put_page/alloc_page */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
				if (length <= copybreak &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
				    skb_tailroom(skb) >= length) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
					u8 *vaddr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
					vaddr = kmap_atomic(buffer_info->page,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
					                   KM_SKB_DATA_SOFTIRQ);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
					memcpy(skb_tail_pointer(skb), vaddr,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
					       length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
					kunmap_atomic(vaddr,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
					              KM_SKB_DATA_SOFTIRQ);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
					/* re-use the page, so don't erase
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
					 * buffer_info->page */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
					skb_put(skb, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
				} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
					skb_fill_page_desc(skb, 0,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
					                   buffer_info->page, 0,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
				                           length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
					e1000_consume_page(buffer_info, skb,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
					                   length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
				}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		e1000_rx_checksum(adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		                  (u32)(status) |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		                  ((u32)(rx_desc->errors) << 24),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
		                  le16_to_cpu(rx_desc->csum), skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		/* probably a little skewed due to removing CRC */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
		total_rx_bytes += skb->len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
		total_rx_packets++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
		/* eth type trans needs skb->data to point to something */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		if (!adapter->ecdev && !pskb_may_pull(skb, ETH_HLEN)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
			e_err("pskb_may_pull failed.\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
			dev_kfree_skb(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
			goto next_desc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
		if (adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
			ecdev_receive(adapter->ecdev, skb->data, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
			adapter->ec_watchdog_jiffies = jiffies;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
		} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
			e1000_receive_skb(adapter, netdev, skb, status,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
			                  rx_desc->special);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
next_desc:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
		rx_desc->status = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
		/* return some buffers to hardware, one at a time is too slow */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
			adapter->alloc_rx_buf(adapter, cleaned_count);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
			cleaned_count = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
		/* use prefetched values */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
		rx_desc = next_rxd;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
		buffer_info = next_buffer;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	rx_ring->next_to_clean = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	cleaned_count = e1000_desc_unused(rx_ring);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	if (cleaned_count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		adapter->alloc_rx_buf(adapter, cleaned_count);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	adapter->total_rx_bytes += total_rx_bytes;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	adapter->total_rx_packets += total_rx_packets;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
	netdev->stats.rx_bytes += total_rx_bytes;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	netdev->stats.rx_packets += total_rx_packets;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
	return cleaned;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
static void e1000_clean_rx_ring(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	struct e1000_ring *rx_ring = adapter->rx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	struct e1000_buffer *buffer_info;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	struct e1000_ps_page *ps_page;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	struct pci_dev *pdev = adapter->pdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
	unsigned int i, j;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	/* Free all the Rx ring sk_buffs */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	for (i = 0; i < rx_ring->count; i++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
		buffer_info = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
		if (buffer_info->dma) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
			if (adapter->clean_rx == e1000_clean_rx_irq)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
				pci_unmap_single(pdev, buffer_info->dma,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
						 adapter->rx_buffer_len,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
						 PCI_DMA_FROMDEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
			else if (adapter->clean_rx == e1000_clean_jumbo_rx_irq)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
				pci_unmap_page(pdev, buffer_info->dma,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
				               PAGE_SIZE,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
				               PCI_DMA_FROMDEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
			else if (adapter->clean_rx == e1000_clean_rx_irq_ps)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
				pci_unmap_single(pdev, buffer_info->dma,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
						 adapter->rx_ps_bsize0,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
						 PCI_DMA_FROMDEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
			buffer_info->dma = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		if (buffer_info->page) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
			put_page(buffer_info->page);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
			buffer_info->page = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		if (buffer_info->skb) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
			dev_kfree_skb(buffer_info->skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
			buffer_info->skb = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
			ps_page = &buffer_info->ps_pages[j];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
			if (!ps_page->page)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
				break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
			pci_unmap_page(pdev, ps_page->dma, PAGE_SIZE,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
				       PCI_DMA_FROMDEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
			ps_page->dma = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
			put_page(ps_page->page);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
			ps_page->page = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	/* there also may be some cached data from a chained receive */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
	if (rx_ring->rx_skb_top) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		dev_kfree_skb(rx_ring->rx_skb_top);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		rx_ring->rx_skb_top = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
	/* Zero out the descriptor ring */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	memset(rx_ring->desc, 0, rx_ring->size);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	rx_ring->next_to_clean = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	rx_ring->next_to_use = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
	writel(0, adapter->hw.hw_addr + rx_ring->head);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
	writel(0, adapter->hw.hw_addr + rx_ring->tail);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
static void e1000e_downshift_workaround(struct work_struct *work)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
	struct e1000_adapter *adapter = container_of(work,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
					struct e1000_adapter, downshift_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
 * e1000_intr_msi - Interrupt Handler
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
 * @irq: interrupt number
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
 * @data: pointer to a network interface device structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
static irqreturn_t e1000_intr_msi(int irq, void *data)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
	struct net_device *netdev = data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
	u32 icr = er32(ICR);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
	if (adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
		int ec_work_done = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
		adapter->clean_rx(adapter, &ec_work_done, 100);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
		e1000_clean_tx_irq(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
		return IRQ_HANDLED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	 * read ICR disables interrupts using IAM
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	if (icr & E1000_ICR_LSC) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
		hw->mac.get_link_status = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
		 * ICH8 workaround-- Call gig speed drop workaround on cable
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
		 * disconnect (LSC) before accessing any PHY registers
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
		    (!(er32(STATUS) & E1000_STATUS_LU)))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
			schedule_work(&adapter->downshift_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		 * 80003ES2LAN workaround-- For packet buffer work-around on
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
		 * link down event; disable receives here in the ISR and reset
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
		 * adapter in watchdog
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		if (netif_carrier_ok(netdev) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		    adapter->flags & FLAG_RX_NEEDS_RESTART) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
			/* disable receives */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
			u32 rctl = er32(RCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
			adapter->flags |= FLAG_RX_RESTART_NOW;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
		/* guard against interrupt when we're going down */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		if (!test_bit(__E1000_DOWN, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	if (napi_schedule_prep(&adapter->napi)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
		adapter->total_tx_bytes = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
		adapter->total_tx_packets = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
		adapter->total_rx_bytes = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
		adapter->total_rx_packets = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
		__napi_schedule(&adapter->napi);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
	return IRQ_HANDLED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
 * e1000_intr - Interrupt Handler
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
 * @irq: interrupt number
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
 * @data: pointer to a network interface device structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
static irqreturn_t e1000_intr(int irq, void *data)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	struct net_device *netdev = data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
	u32 rctl, icr = er32(ICR);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	if (!icr || test_bit(__E1000_DOWN, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
		return IRQ_NONE;  /* Not our interrupt */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	 * IMS will not auto-mask if INT_ASSERTED is not set, and if it is
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	 * not set, then the adapter didn't send an interrupt
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	if (!adapter->ecdev && !(icr & E1000_ICR_INT_ASSERTED))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
		return IRQ_NONE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
	 * Interrupt Auto-Mask...upon reading ICR,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
	 * interrupts are masked.  No need for the
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
	 * IMC write
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	if (!adapter->ecdev && (icr & E1000_ICR_LSC)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
		hw->mac.get_link_status = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
		 * ICH8 workaround-- Call gig speed drop workaround on cable
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
		 * disconnect (LSC) before accessing any PHY registers
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
		    (!(er32(STATUS) & E1000_STATUS_LU)))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
			schedule_work(&adapter->downshift_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
		 * 80003ES2LAN workaround--
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
		 * For packet buffer work-around on link down event;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
		 * disable receives here in the ISR and
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
		 * reset adapter in watchdog
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
		if (netif_carrier_ok(netdev) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
		    (adapter->flags & FLAG_RX_NEEDS_RESTART)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
			/* disable receives */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
			rctl = er32(RCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
			adapter->flags |= FLAG_RX_RESTART_NOW;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
		/* guard against interrupt when we're going down */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
		if (!test_bit(__E1000_DOWN, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	if (adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
		int ec_work_done = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
		adapter->clean_rx(adapter, &ec_work_done, 100);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
		e1000_clean_tx_irq(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
		return IRQ_HANDLED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
	if (napi_schedule_prep(&adapter->napi)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
		adapter->total_tx_bytes = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
		adapter->total_tx_packets = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
		adapter->total_rx_bytes = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
		adapter->total_rx_packets = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
		__napi_schedule(&adapter->napi);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
	return IRQ_HANDLED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
static irqreturn_t e1000_msix_other(int irq, void *data)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
	struct net_device *netdev = data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
	u32 icr = er32(ICR);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
	if (!(icr & E1000_ICR_INT_ASSERTED)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
		if (!test_bit(__E1000_DOWN, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
			ew32(IMS, E1000_IMS_OTHER);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		return IRQ_NONE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
	if (icr & adapter->eiac_mask)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
		ew32(ICS, (icr & adapter->eiac_mask));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	if (icr & E1000_ICR_OTHER) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
		if (!(icr & E1000_ICR_LSC))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
			goto no_link_interrupt;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
		hw->mac.get_link_status = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
		/* guard against interrupt when we're going down */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
no_link_interrupt:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
	if (!test_bit(__E1000_DOWN, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
		ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
	return IRQ_HANDLED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
	struct net_device *netdev = data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
	adapter->total_tx_bytes = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
	adapter->total_tx_packets = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	if (!e1000_clean_tx_irq(adapter))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
		/* Ring was not completely cleaned, so fire another interrupt */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
		ew32(ICS, tx_ring->ims_val);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	return IRQ_HANDLED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	struct net_device *netdev = data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
	/* Write the ITR value calculated at the end of the
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	 * previous interrupt.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	if (adapter->rx_ring->set_itr) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
		writel(1000000000 / (adapter->rx_ring->itr_val * 256),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
		       adapter->hw.hw_addr + adapter->rx_ring->itr_register);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
		adapter->rx_ring->set_itr = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	if (adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
		int ec_work_done = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
		adapter->clean_rx(adapter, &ec_work_done, 100);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
		if (napi_schedule_prep(&adapter->napi)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
			adapter->total_rx_bytes = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
			adapter->total_rx_packets = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
			__napi_schedule(&adapter->napi);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
	return IRQ_HANDLED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
 * e1000_configure_msix - Configure MSI-X hardware
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
 * e1000_configure_msix sets up the hardware to properly
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
 * generate MSI-X interrupts.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
static void e1000_configure_msix(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
	struct e1000_ring *rx_ring = adapter->rx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	int vector = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	u32 ctrl_ext, ivar = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	adapter->eiac_mask = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
	/* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
	if (hw->mac.type == e1000_82574) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
		u32 rfctl = er32(RFCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
		rfctl |= E1000_RFCTL_ACK_DIS;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
		ew32(RFCTL, rfctl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
#define E1000_IVAR_INT_ALLOC_VALID	0x8
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	/* Configure Rx vector */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
	rx_ring->ims_val = E1000_IMS_RXQ0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	adapter->eiac_mask |= rx_ring->ims_val;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
	if (rx_ring->itr_val)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		writel(1000000000 / (rx_ring->itr_val * 256),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
		       hw->hw_addr + rx_ring->itr_register);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
		writel(1, hw->hw_addr + rx_ring->itr_register);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
	ivar = E1000_IVAR_INT_ALLOC_VALID | vector;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	/* Configure Tx vector */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
	tx_ring->ims_val = E1000_IMS_TXQ0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	vector++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
	if (tx_ring->itr_val)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
		writel(1000000000 / (tx_ring->itr_val * 256),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
		       hw->hw_addr + tx_ring->itr_register);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
	else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
		writel(1, hw->hw_addr + tx_ring->itr_register);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
	adapter->eiac_mask |= tx_ring->ims_val;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	/* set vector for Other Causes, e.g. link changes */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	vector++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
	if (rx_ring->itr_val)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
		writel(1000000000 / (rx_ring->itr_val * 256),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
		       hw->hw_addr + E1000_EITR_82574(vector));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
		writel(1, hw->hw_addr + E1000_EITR_82574(vector));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	/* Cause Tx interrupts on every write back */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	ivar |= (1 << 31);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
	ew32(IVAR, ivar);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	/* enable MSI-X PBA support */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	ctrl_ext = er32(CTRL_EXT);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	/* Auto-Mask Other interrupts upon ICR read */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
#define E1000_EIAC_MASK_82574   0x01F00000
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	ctrl_ext |= E1000_CTRL_EXT_EIAME;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	ew32(CTRL_EXT, ctrl_ext);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
	e1e_flush();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	if (adapter->msix_entries) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		pci_disable_msix(adapter->pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
		kfree(adapter->msix_entries);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
		adapter->msix_entries = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
	} else if (adapter->flags & FLAG_MSI_ENABLED) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
		pci_disable_msi(adapter->pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
		adapter->flags &= ~FLAG_MSI_ENABLED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
	return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
 * e1000e_set_interrupt_capability - set MSI or MSI-X if supported
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
 * Attempt to configure interrupts using the best available
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
 * capabilities of the hardware and kernel.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	int err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	int numvecs, i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
	switch (adapter->int_mode) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
	case E1000E_INT_MODE_MSIX:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
		if (adapter->flags & FLAG_HAS_MSIX) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
			numvecs = 3; /* RxQ0, TxQ0 and other */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
			adapter->msix_entries = kcalloc(numvecs,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
						      sizeof(struct msix_entry),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
						      GFP_KERNEL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
			if (adapter->msix_entries) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
				for (i = 0; i < numvecs; i++)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
					adapter->msix_entries[i].entry = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
				err = pci_enable_msix(adapter->pdev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
						      adapter->msix_entries,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
						      numvecs);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
				if (err == 0)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
					return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
			/* MSI-X failed, so fall through and try MSI */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
			e_err("Failed to initialize MSI-X interrupts.  "
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
			      "Falling back to MSI interrupts.\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
			e1000e_reset_interrupt_capability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
		adapter->int_mode = E1000E_INT_MODE_MSI;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
		/* Fall through */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
	case E1000E_INT_MODE_MSI:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
		if (!pci_enable_msi(adapter->pdev)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
			adapter->flags |= FLAG_MSI_ENABLED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
		} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
			adapter->int_mode = E1000E_INT_MODE_LEGACY;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
			e_err("Failed to initialize MSI interrupts.  Falling "
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
			      "back to legacy interrupts.\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
		/* Fall through */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	case E1000E_INT_MODE_LEGACY:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
		/* Don't do anything; this is the system default */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
	return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
 * e1000_request_msix - Initialize MSI-X interrupts
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
 * e1000_request_msix allocates MSI-X vectors and requests interrupts from the
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
 * kernel.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
static int e1000_request_msix(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	int err = 0, vector = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		sprintf(adapter->rx_ring->name, "%s-rx-0", netdev->name);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
	else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
	err = request_irq(adapter->msix_entries[vector].vector,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
			  e1000_intr_msix_rx, 0, adapter->rx_ring->name,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
			  netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		goto out;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
	adapter->rx_ring->itr_register = E1000_EITR_82574(vector);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
	adapter->rx_ring->itr_val = adapter->itr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
	vector++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
		sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
	else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
	err = request_irq(adapter->msix_entries[vector].vector,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
			  e1000_intr_msix_tx, 0, adapter->tx_ring->name,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
			  netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
		goto out;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	adapter->tx_ring->itr_register = E1000_EITR_82574(vector);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	adapter->tx_ring->itr_val = adapter->itr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
	vector++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
	err = request_irq(adapter->msix_entries[vector].vector,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
			  e1000_msix_other, 0, netdev->name, netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		goto out;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	e1000_configure_msix(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
out:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
 * e1000_request_irq - initialize interrupts
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
 * Attempts to configure interrupts using the best available
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
 * capabilities of the hardware and kernel.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
static int e1000_request_irq(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
	int err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
	if (adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
		return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
	if (adapter->msix_entries) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
		err = e1000_request_msix(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		if (!err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
			return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
		/* fall back to MSI */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
		e1000e_reset_interrupt_capability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		adapter->int_mode = E1000E_INT_MODE_MSI;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
		e1000e_set_interrupt_capability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
	if (adapter->flags & FLAG_MSI_ENABLED) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
		err = request_irq(adapter->pdev->irq, e1000_intr_msi, 0,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
				  netdev->name, netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
		if (!err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
			return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
		/* fall back to legacy interrupt */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
		e1000e_reset_interrupt_capability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	err = request_irq(adapter->pdev->irq, e1000_intr, IRQF_SHARED,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
			  netdev->name, netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
		e_err("Unable to allocate interrupt, Error: %d\n", err);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
	return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
static void e1000_free_irq(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
	if (adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
	if (adapter->msix_entries) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
		int vector = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
		free_irq(adapter->msix_entries[vector].vector, netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
		vector++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		free_irq(adapter->msix_entries[vector].vector, netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
		vector++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
		/* Other Causes interrupt vector */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
		free_irq(adapter->msix_entries[vector].vector, netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
	free_irq(adapter->pdev->irq, netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
 * e1000_irq_disable - Mask off interrupt generation on the NIC
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
static void e1000_irq_disable(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
	if (adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
	ew32(IMC, ~0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
	if (adapter->msix_entries)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
		ew32(EIAC_82574, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
	e1e_flush();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
	synchronize_irq(adapter->pdev->irq);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
 * e1000_irq_enable - Enable default interrupt generation settings
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
static void e1000_irq_enable(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
	if (adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
	if (adapter->msix_entries) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
		ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
		ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
		ew32(IMS, IMS_ENABLE_MASK);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
	e1e_flush();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
 * e1000_get_hw_control - get control of the h/w from f/w
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
 * @adapter: address of board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
 * e1000_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
 * For ASF and Pass Through versions of f/w this means that
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
 * the driver is loaded. For AMT version (only with 82573)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
 * of the f/w this means that the network i/f is open.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
static void e1000_get_hw_control(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
	u32 ctrl_ext;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	u32 swsm;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	/* Let firmware know the driver has taken over */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
		swsm = er32(SWSM);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
		ctrl_ext = er32(CTRL_EXT);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
 * e1000_release_hw_control - release control of the h/w to f/w
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
 * @adapter: address of board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
 * e1000_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
 * For ASF and Pass Through versions of f/w this means that the
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
 * driver is no longer loaded. For AMT version (only with 82573) i
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
 * of the f/w this means that the network i/f is closed.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
static void e1000_release_hw_control(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	u32 ctrl_ext;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	u32 swsm;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
	/* Let firmware taken over control of h/w */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		swsm = er32(SWSM);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
		ctrl_ext = er32(CTRL_EXT);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
 * @e1000_alloc_ring - allocate memory for a ring structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
				struct e1000_ring *ring)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	struct pci_dev *pdev = adapter->pdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
	ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
					GFP_KERNEL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
	if (!ring->desc)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		return -ENOMEM;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
 * e1000e_setup_tx_resources - allocate Tx resources (Descriptors)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
 * Return 0 on success, negative on failure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	int err = -ENOMEM, size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	size = sizeof(struct e1000_buffer) * tx_ring->count;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	tx_ring->buffer_info = vmalloc(size);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	if (!tx_ring->buffer_info)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
		goto err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	memset(tx_ring->buffer_info, 0, size);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
	/* round up to nearest 4K */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
	tx_ring->size = ALIGN(tx_ring->size, 4096);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	err = e1000_alloc_ring_dma(adapter, tx_ring);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
		goto err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
	tx_ring->next_to_use = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
	tx_ring->next_to_clean = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
err:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	vfree(tx_ring->buffer_info);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
	return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
 * e1000e_setup_rx_resources - allocate Rx resources (Descriptors)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
 * Returns 0 on success, negative on failure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
int e1000e_setup_rx_resources(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
	struct e1000_ring *rx_ring = adapter->rx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
	struct e1000_buffer *buffer_info;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
	int i, size, desc_len, err = -ENOMEM;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	size = sizeof(struct e1000_buffer) * rx_ring->count;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	rx_ring->buffer_info = vmalloc(size);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	if (!rx_ring->buffer_info)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		goto err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
	memset(rx_ring->buffer_info, 0, size);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
	for (i = 0; i < rx_ring->count; i++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
		buffer_info = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
		buffer_info->ps_pages = kcalloc(PS_PAGE_BUFFERS,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
						sizeof(struct e1000_ps_page),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
						GFP_KERNEL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
		if (!buffer_info->ps_pages)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
			goto err_pages;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
	desc_len = sizeof(union e1000_rx_desc_packet_split);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	/* Round up to nearest 4K */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
	rx_ring->size = rx_ring->count * desc_len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
	rx_ring->size = ALIGN(rx_ring->size, 4096);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
	err = e1000_alloc_ring_dma(adapter, rx_ring);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
		goto err_pages;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	rx_ring->next_to_clean = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
	rx_ring->next_to_use = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
	rx_ring->rx_skb_top = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
err_pages:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	for (i = 0; i < rx_ring->count; i++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
		buffer_info = &rx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
		kfree(buffer_info->ps_pages);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
err:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
	vfree(rx_ring->buffer_info);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
	return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
 * e1000_clean_tx_ring - Free Tx Buffers
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
static void e1000_clean_tx_ring(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	struct e1000_buffer *buffer_info;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
	unsigned long size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
	unsigned int i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
	for (i = 0; i < tx_ring->count; i++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
		buffer_info = &tx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
		e1000_put_txbuf(adapter, buffer_info);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
	size = sizeof(struct e1000_buffer) * tx_ring->count;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
	memset(tx_ring->buffer_info, 0, size);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
	memset(tx_ring->desc, 0, tx_ring->size);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	tx_ring->next_to_use = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
	tx_ring->next_to_clean = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	writel(0, adapter->hw.hw_addr + tx_ring->head);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
	writel(0, adapter->hw.hw_addr + tx_ring->tail);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
 * e1000e_free_tx_resources - Free Tx Resources per Queue
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
 * Free all transmit software resources
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
void e1000e_free_tx_resources(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
	struct pci_dev *pdev = adapter->pdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
	e1000_clean_tx_ring(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	vfree(tx_ring->buffer_info);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	tx_ring->buffer_info = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
			  tx_ring->dma);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
	tx_ring->desc = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
 * e1000e_free_rx_resources - Free Rx Resources
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
 * Free all receive software resources
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
void e1000e_free_rx_resources(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	struct pci_dev *pdev = adapter->pdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	struct e1000_ring *rx_ring = adapter->rx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
	int i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
	e1000_clean_rx_ring(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	for (i = 0; i < rx_ring->count; i++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
		kfree(rx_ring->buffer_info[i].ps_pages);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
	vfree(rx_ring->buffer_info);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
	rx_ring->buffer_info = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
			  rx_ring->dma);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
	rx_ring->desc = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
 * e1000_update_itr - update the dynamic ITR value based on statistics
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
 * @adapter: pointer to adapter
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
 * @itr_setting: current adapter->itr
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
 * @packets: the number of packets during this measurement interval
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
 * @bytes: the number of bytes during this measurement interval
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
 *      Stores a new ITR value based on packets and byte
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
 *      counts during the last interrupt.  The advantage of per interrupt
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
 *      computation is faster updates and more accurate ITR for the current
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
 *      traffic pattern.  Constants in this function were computed
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
 *      based on theoretical maximum wire speed and thresholds were set based
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
 *      on testing data as well as attempting to minimize response time
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
 *      while increasing bulk throughput.  This functionality is controlled
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
 *      by the InterruptThrottleRate module parameter.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
				     u16 itr_setting, int packets,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
				     int bytes)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
	unsigned int retval = itr_setting;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	if (packets == 0)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
		goto update_itr_done;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	switch (itr_setting) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
	case lowest_latency:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		/* handle TSO and jumbo frames */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
		if (bytes/packets > 8000)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
			retval = bulk_latency;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
		else if ((packets < 5) && (bytes > 512)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
			retval = low_latency;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	case low_latency:  /* 50 usec aka 20000 ints/s */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
		if (bytes > 10000) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
			/* this if handles the TSO accounting */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
			if (bytes/packets > 8000) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
				retval = bulk_latency;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
			} else if ((packets < 10) || ((bytes/packets) > 1200)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
				retval = bulk_latency;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
			} else if ((packets > 35)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
				retval = lowest_latency;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		} else if (bytes/packets > 2000) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
			retval = bulk_latency;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
		} else if (packets <= 2 && bytes < 512) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
			retval = lowest_latency;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
	case bulk_latency: /* 250 usec aka 4000 ints/s */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
		if (bytes > 25000) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
			if (packets > 35) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
				retval = low_latency;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
		} else if (bytes < 6000) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
			retval = low_latency;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
update_itr_done:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
	return retval;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
static void e1000_set_itr(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	u16 current_itr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
	u32 new_itr = adapter->itr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	if (adapter->link_speed != SPEED_1000) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
		current_itr = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		new_itr = 4000;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
		goto set_itr_now;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	adapter->tx_itr = e1000_update_itr(adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
				    adapter->tx_itr,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
				    adapter->total_tx_packets,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
				    adapter->total_tx_bytes);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
		adapter->tx_itr = low_latency;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
	adapter->rx_itr = e1000_update_itr(adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
				    adapter->rx_itr,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
				    adapter->total_rx_packets,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
				    adapter->total_rx_bytes);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
		adapter->rx_itr = low_latency;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	switch (current_itr) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	/* counts and packets in update_itr are dependent on these numbers */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
	case lowest_latency:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		new_itr = 70000;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
	case low_latency:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
		new_itr = 20000; /* aka hwitr = ~200 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
	case bulk_latency:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
		new_itr = 4000;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
	default:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
set_itr_now:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
	if (new_itr != adapter->itr) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
		 * this attempts to bias the interrupt rate towards Bulk
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
		 * by adding intermediate steps when interrupt rate is
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
		 * increasing
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
		new_itr = new_itr > adapter->itr ?
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
			     min(adapter->itr + (new_itr >> 2), new_itr) :
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
			     new_itr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
		adapter->itr = new_itr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
		adapter->rx_ring->itr_val = new_itr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
		if (adapter->msix_entries)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
			adapter->rx_ring->set_itr = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
		else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
			ew32(ITR, 1000000000 / (new_itr * 256));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
 * e1000_alloc_queues - Allocate memory for all rings
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
 * @adapter: board private structure to initialize
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	adapter->tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	if (!adapter->tx_ring)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
		goto err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
	adapter->rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	if (!adapter->rx_ring)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
		goto err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
err:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
	e_err("Unable to allocate memory for queues\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
	kfree(adapter->rx_ring);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	kfree(adapter->tx_ring);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
	return -ENOMEM;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
 * e1000_clean - NAPI Rx polling callback
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
 * @napi: struct associated with this polling callback
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
 * @budget: amount of packets driver is allowed to process this poll
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
static int e1000_clean(struct napi_struct *napi, int budget)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	struct net_device *poll_dev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
	int tx_cleaned = 1, work_done = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	adapter = netdev_priv(poll_dev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	if (adapter->msix_entries &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
	    !(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
		goto clean_rx;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
	tx_cleaned = e1000_clean_tx_irq(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
clean_rx:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
	adapter->clean_rx(adapter, &work_done, budget);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
	if (!tx_cleaned)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
		work_done = budget;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	/* If budget not fully consumed, exit the polling mode */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
	if (work_done < budget) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
		if (adapter->itr_setting & 3)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
			e1000_set_itr(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
		napi_complete(napi);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
		if (!test_bit(__E1000_DOWN, &adapter->state)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
			if (adapter->msix_entries)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
				ew32(IMS, adapter->rx_ring->ims_val);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
			else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
				e1000_irq_enable(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
	return work_done;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
	u32 vfta, index;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
	/* don't update vlan cookie if already programmed */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
	if ((adapter->hw.mng_cookie.status &
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	    (vid == adapter->mng_vlan_id))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	/* add VID to filter table */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
		index = (vid >> 5) & 0x7F;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
		vfta |= (1 << (vid & 0x1F));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
		hw->mac.ops.write_vfta(hw, index, vfta);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	u32 vfta, index;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	if (!test_bit(__E1000_DOWN, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
		e1000_irq_disable(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	if (!test_bit(__E1000_DOWN, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
		e1000_irq_enable(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
	if ((adapter->hw.mng_cookie.status &
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
	    (vid == adapter->mng_vlan_id)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
		/* release control to f/w */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
		e1000_release_hw_control(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	/* remove VID from filter table */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
		index = (vid >> 5) & 0x7F;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
		vfta &= ~(1 << (vid & 0x1F));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
		hw->mac.ops.write_vfta(hw, index, vfta);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
	u16 vid = adapter->hw.mng_cookie.vlan_id;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	u16 old_vid = adapter->mng_vlan_id;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	if (!adapter->vlgrp)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	if (!vlan_group_get_device(adapter->vlgrp, vid)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
		adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
		if (adapter->hw.mng_cookie.status &
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
			e1000_vlan_rx_add_vid(netdev, vid);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
			adapter->mng_vlan_id = vid;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
				(vid != old_vid) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
		    !vlan_group_get_device(adapter->vlgrp, old_vid))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
			e1000_vlan_rx_kill_vid(netdev, old_vid);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
		adapter->mng_vlan_id = vid;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
static void e1000_vlan_rx_register(struct net_device *netdev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
				   struct vlan_group *grp)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	u32 ctrl, rctl;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	if (!test_bit(__E1000_DOWN, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
		e1000_irq_disable(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	adapter->vlgrp = grp;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	if (grp) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
		/* enable VLAN tag insert/strip */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
		ctrl = er32(CTRL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
		ctrl |= E1000_CTRL_VME;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
		ew32(CTRL, ctrl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
			/* enable VLAN receive filtering */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
			rctl = er32(RCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
			rctl &= ~E1000_RCTL_CFIEN;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
			ew32(RCTL, rctl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
			e1000_update_mng_vlan(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
		/* disable VLAN tag insert/strip */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
		ctrl = er32(CTRL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
		ctrl &= ~E1000_CTRL_VME;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
		ew32(CTRL, ctrl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
			if (adapter->mng_vlan_id !=
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
			    (u16)E1000_MNG_VLAN_NONE) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
				e1000_vlan_rx_kill_vid(netdev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
						       adapter->mng_vlan_id);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
	if (!test_bit(__E1000_DOWN, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
		e1000_irq_enable(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
static void e1000_restore_vlan(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	u16 vid;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	if (!adapter->vlgrp)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
		if (!vlan_group_get_device(adapter->vlgrp, vid))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
			continue;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
		e1000_vlan_rx_add_vid(adapter->netdev, vid);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
static void e1000_init_manageability(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
	u32 manc, manc2h;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	manc = er32(MANC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	 * enable receiving management packets to the host. this will probably
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	 * generate destination unreachable messages from the host OS, but
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	 * the packets will be handled on SMBUS
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	manc |= E1000_MANC_EN_MNG2HOST;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	manc2h = er32(MANC2H);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
#define E1000_MNG2HOST_PORT_623 (1 << 5)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
#define E1000_MNG2HOST_PORT_664 (1 << 6)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	manc2h |= E1000_MNG2HOST_PORT_623;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	manc2h |= E1000_MNG2HOST_PORT_664;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	ew32(MANC2H, manc2h);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
	ew32(MANC, manc);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
 * Configure the Tx unit of the MAC after a reset.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
static void e1000_configure_tx(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
	u64 tdba;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
	u32 tdlen, tctl, tipg, tarc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
	u32 ipgr1, ipgr2;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
	/* Setup the HW Tx Head and Tail descriptor pointers */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	tdba = tx_ring->dma;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
	tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
	ew32(TDBAL, (tdba & DMA_BIT_MASK(32)));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	ew32(TDBAH, (tdba >> 32));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	ew32(TDLEN, tdlen);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	ew32(TDH, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	ew32(TDT, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	tx_ring->head = E1000_TDH;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	tx_ring->tail = E1000_TDT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
	/* Set the default values for the Tx Inter Packet Gap timer */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	tipg = DEFAULT_82543_TIPG_IPGT_COPPER;          /*  8  */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	ipgr1 = DEFAULT_82543_TIPG_IPGR1;               /*  8  */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
	ipgr2 = DEFAULT_82543_TIPG_IPGR2;               /*  6  */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	if (adapter->flags & FLAG_TIPG_MEDIUM_FOR_80003ESLAN)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2; /*  7  */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	ew32(TIPG, tipg);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	/* Set the Tx Interrupt Delay register */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	ew32(TIDV, adapter->tx_int_delay);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
	/* Tx irq moderation */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
	ew32(TADV, adapter->tx_abs_int_delay);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
	/* Program the Transmit Control Register */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
	tctl = er32(TCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	tctl &= ~E1000_TCTL_CT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
		tarc = er32(TARC(0));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
		 * set the speed mode bit, we'll clear it if we're not at
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
		 * gigabit link later
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
#define SPEED_MODE_BIT (1 << 21)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
		tarc |= SPEED_MODE_BIT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
		ew32(TARC(0), tarc);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
	/* errata: program both queues to unweighted RR */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
		tarc = er32(TARC(0));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
		tarc |= 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
		ew32(TARC(0), tarc);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
		tarc = er32(TARC(1));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
		tarc |= 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
		ew32(TARC(1), tarc);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
	/* Setup Transmit Descriptor Settings for eop descriptor */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	/* only set IDE if we are delaying interrupts using the timers */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	if (adapter->tx_int_delay)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
	/* enable Report Status bit */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	adapter->txd_cmd |= E1000_TXD_CMD_RS;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	ew32(TCTL, tctl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
	e1000e_config_collision_dist(hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
	adapter->tx_queue_len = adapter->netdev->tx_queue_len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
 * e1000_setup_rctl - configure the receive control registers
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
 * @adapter: Board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
			   (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
static void e1000_setup_rctl(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
	u32 rctl, rfctl;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	u32 psrctl = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
	u32 pages = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
	/* Program MC offset vector base */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	rctl = er32(RCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
		(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
	/* Do not Store bad packets */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
	rctl &= ~E1000_RCTL_SBP;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
	/* Enable Long Packet receive */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
		rctl &= ~E1000_RCTL_LPE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
	else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
		rctl |= E1000_RCTL_LPE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
	/* Some systems expect that the CRC is included in SMBUS traffic. The
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	 * hardware strips the CRC before sending to both SMBUS (BMC) and to
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	 * host memory when this is enabled
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
		rctl |= E1000_RCTL_SECRC;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
	/* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
	if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
		u16 phy_data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		phy_data &= 0xfff8;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		phy_data |= (1 << 2);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		e1e_wphy(hw, PHY_REG(770, 26), phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
		e1e_rphy(hw, 22, &phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
		phy_data &= 0x0fff;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
		phy_data |= (1 << 14);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
		e1e_wphy(hw, 0x10, 0x2823);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
		e1e_wphy(hw, 0x11, 0x0003);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
		e1e_wphy(hw, 22, phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
	/* Setup buffer sizes */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
	rctl &= ~E1000_RCTL_SZ_4096;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
	rctl |= E1000_RCTL_BSEX;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
	switch (adapter->rx_buffer_len) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
	case 2048:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
	default:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
		rctl |= E1000_RCTL_SZ_2048;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
		rctl &= ~E1000_RCTL_BSEX;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	case 4096:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
		rctl |= E1000_RCTL_SZ_4096;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	case 8192:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
		rctl |= E1000_RCTL_SZ_8192;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	case 16384:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
		rctl |= E1000_RCTL_SZ_16384;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	 * 82571 and greater support packet-split where the protocol
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	 * header is placed in skb->data and the packet data is
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	 * In the case of a non-split, skb->data is linearly filled,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	 * followed by the page buffers.  Therefore, skb->data is
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
	 * sized to hold the largest protocol header.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	 * allocations using alloc_page take too long for regular MTU
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
	 * so only enable packet split for jumbo frames
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
	 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	 * Using pages when the page size is greater than 16k wastes
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	 * a lot of memory, since we allocate 3 pages at all times
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	 * per packet.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	if (!(adapter->flags & FLAG_IS_ICH) && (pages <= 3) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
	    (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
		adapter->rx_ps_pages = pages;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
	else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
		adapter->rx_ps_pages = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	if (adapter->rx_ps_pages) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
		/* Configure extra packet-split registers */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
		rfctl = er32(RFCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
		rfctl |= E1000_RFCTL_EXTEN;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
		 * disable packet split support for IPv6 extension headers,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
		 * because some malformed IPv6 headers can hang the Rx
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
			  E1000_RFCTL_NEW_IPV6_EXT_DIS);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
		ew32(RFCTL, rfctl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
		/* Enable Packet split descriptors */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
		rctl |= E1000_RCTL_DTYP_PS;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
		psrctl |= adapter->rx_ps_bsize0 >>
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
			E1000_PSRCTL_BSIZE0_SHIFT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
		switch (adapter->rx_ps_pages) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
		case 3:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
			psrctl |= PAGE_SIZE <<
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
				E1000_PSRCTL_BSIZE3_SHIFT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
		case 2:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
			psrctl |= PAGE_SIZE <<
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
				E1000_PSRCTL_BSIZE2_SHIFT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
		case 1:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
			psrctl |= PAGE_SIZE >>
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
				E1000_PSRCTL_BSIZE1_SHIFT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
		ew32(PSRCTL, psrctl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	ew32(RCTL, rctl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
	/* just started the receive unit, no need to restart */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
	adapter->flags &= ~FLAG_RX_RESTART_NOW;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
 * e1000_configure_rx - Configure Receive Unit after Reset
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
 * Configure the Rx unit of the MAC after a reset.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
static void e1000_configure_rx(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
	struct e1000_ring *rx_ring = adapter->rx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
	u64 rdba;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
	u32 rdlen, rctl, rxcsum, ctrl_ext;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
	if (adapter->rx_ps_pages) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
		/* this is a 32 byte descriptor */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
		rdlen = rx_ring->count *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
			sizeof(union e1000_rx_desc_packet_split);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
		adapter->clean_rx = e1000_clean_rx_irq_ps;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
	} else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
		adapter->clean_rx = e1000_clean_rx_irq;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
	/* disable receives while setting up the descriptors */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	rctl = er32(RCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
	e1e_flush();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
	msleep(10);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
	/* set the Receive Delay Timer Register */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
	ew32(RDTR, adapter->rx_int_delay);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
	/* irq moderation */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
	ew32(RADV, adapter->rx_abs_int_delay);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
	if (adapter->itr_setting != 0)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
		ew32(ITR, 1000000000 / (adapter->itr * 256));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
	ctrl_ext = er32(CTRL_EXT);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
	/* Auto-Mask interrupts upon ICR access */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
	ctrl_ext |= E1000_CTRL_EXT_IAME;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
	ew32(IAM, 0xffffffff);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
	ew32(CTRL_EXT, ctrl_ext);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
	e1e_flush();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
	 * Setup the HW Rx Head and Tail Descriptor Pointers and
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	 * the Base and Length of the Rx Descriptor Ring
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	rdba = rx_ring->dma;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
	ew32(RDBAL, (rdba & DMA_BIT_MASK(32)));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
	ew32(RDBAH, (rdba >> 32));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
	ew32(RDLEN, rdlen);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
	ew32(RDH, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
	ew32(RDT, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
	rx_ring->head = E1000_RDH;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
	rx_ring->tail = E1000_RDT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
	/* Enable Receive Checksum Offload for TCP and UDP */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	rxcsum = er32(RXCSUM);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
	if (adapter->flags & FLAG_RX_CSUM_ENABLED) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
		rxcsum |= E1000_RXCSUM_TUOFL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
		 * IPv4 payload checksum for UDP fragments must be
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
		 * used in conjunction with packet-split.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
		if (adapter->rx_ps_pages)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
			rxcsum |= E1000_RXCSUM_IPPCSE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
		rxcsum &= ~E1000_RXCSUM_TUOFL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
		/* no need to clear IPPCSE as it defaults to 0 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
	ew32(RXCSUM, rxcsum);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
	 * Enable early receives on supported devices, only takes effect when
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	 * packet size is equal or larger than the specified value (in 8 byte
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
	 * units), e.g. using jumbo frames when setting to E1000_ERT_2048
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
	if (adapter->flags & FLAG_HAS_ERT) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
			u32 rxdctl = er32(RXDCTL(0));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
			ew32(RXDCTL(0), rxdctl | 0x3);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
			ew32(ERT, E1000_ERT_2048 | (1 << 13));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
			/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
			 * With jumbo frames and early-receive enabled,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
			 * excessive C-state transition latencies result in
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
			 * dropped transactions.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
			 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
			pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
						  adapter->netdev->name, 55);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
		} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
			pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
						  adapter->netdev->name,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
						  PM_QOS_DEFAULT_VALUE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
	/* Enable Receives */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
	ew32(RCTL, rctl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
 *  e1000_update_mc_addr_list - Update Multicast addresses
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
 *  @hw: pointer to the HW structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
 *  @mc_addr_list: array of multicast addresses to program
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
 *  @mc_addr_count: number of multicast addresses to program
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
 *  @rar_used_count: the first RAR register free to program
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
 *  @rar_count: total number of supported Receive Address Registers
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
 *  Updates the Receive Address Registers and Multicast Table Array.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
 *  The caller must have a packed mc_addr_list of multicast addresses.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
 *  The parameter rar_count will usually be hw->mac.rar_entry_count
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
 *  unless there are workarounds that change this.  Currently no func pointer
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
 *  exists and all implementations are handled in the generic version of this
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
 *  function.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
static void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
				      u32 mc_addr_count, u32 rar_used_count,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
				      u32 rar_count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, mc_addr_count,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
				        rar_used_count, rar_count);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
 * e1000_set_multi - Multicast and Promiscuous mode set
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
 * @netdev: network interface device structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
 * The set_multi entry point is called whenever the multicast address
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
 * list or the network interface flags are updated.  This routine is
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
 * responsible for configuring the hardware for proper multicast,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
 * promiscuous mode, and all-multi behavior.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
static void e1000_set_multi(struct net_device *netdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	struct e1000_mac_info *mac = &hw->mac;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
	struct dev_mc_list *mc_ptr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
	u8  *mta_list;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
	u32 rctl;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
	int i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
	/* Check for Promiscuous and All Multicast modes */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
	rctl = er32(RCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
	if (netdev->flags & IFF_PROMISC) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
		rctl &= ~E1000_RCTL_VFE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		if (netdev->flags & IFF_ALLMULTI) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
			rctl |= E1000_RCTL_MPE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
			rctl &= ~E1000_RCTL_UPE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
		} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
			rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
			rctl |= E1000_RCTL_VFE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
	ew32(RCTL, rctl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
	if (netdev->mc_count) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
		mta_list = kmalloc(netdev->mc_count * 6, GFP_ATOMIC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
		if (!mta_list)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
			return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
		/* prepare a packed array of only addresses. */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
		mc_ptr = netdev->mc_list;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
		for (i = 0; i < netdev->mc_count; i++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
			if (!mc_ptr)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
				break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
			memcpy(mta_list + (i*ETH_ALEN), mc_ptr->dmi_addr,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
			       ETH_ALEN);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
			mc_ptr = mc_ptr->next;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
		e1000_update_mc_addr_list(hw, mta_list, i, 1,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
					  mac->rar_entry_count);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
		kfree(mta_list);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
		 * if we're called from probe, we might not have
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
		 * anything to do here, so clear out the list
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
		e1000_update_mc_addr_list(hw, NULL, 0, 1, mac->rar_entry_count);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
 * e1000_configure - configure the hardware for Rx and Tx
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
 * @adapter: private board structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
static void e1000_configure(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	e1000_set_multi(adapter->netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	e1000_restore_vlan(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	e1000_init_manageability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	e1000_configure_tx(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	e1000_setup_rctl(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
	e1000_configure_rx(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
	if (adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
		adapter->alloc_rx_buf(adapter, adapter->rx_ring->count);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
		adapter->alloc_rx_buf(adapter, e1000_desc_unused(adapter->rx_ring));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
 * e1000e_power_up_phy - restore link in case the phy was powered down
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
 * @adapter: address of board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
 * The phy may be powered down to save power and turn off link when the
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
 * driver is unloaded and wake on lan is not enabled (among others)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
 * *** this routine MUST be followed by a call to e1000e_reset ***
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
void e1000e_power_up_phy(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
	if (adapter->hw.phy.ops.power_up)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
		adapter->hw.phy.ops.power_up(&adapter->hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
	adapter->hw.mac.ops.setup_link(&adapter->hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
 * e1000_power_down_phy - Power down the PHY
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
 * Power down the PHY so no link is implied when interface is down.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
 * The PHY cannot be powered down if management or WoL is active.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
static void e1000_power_down_phy(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	/* WoL is enabled */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
	if (adapter->wol)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	if (adapter->hw.phy.ops.power_down)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
		adapter->hw.phy.ops.power_down(&adapter->hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
 * e1000e_reset - bring the hardware into a known good state
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
 * This function boots the hardware and enables some settings that
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
 * require a configuration cycle of the hardware - those cannot be
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
 * set/changed during runtime. After reset the device needs to be
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
 * properly configured for Rx, Tx etc.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
void e1000e_reset(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	struct e1000_mac_info *mac = &adapter->hw.mac;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
	struct e1000_fc_info *fc = &adapter->hw.fc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	u32 tx_space, min_tx_space, min_rx_space;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	u32 pba = adapter->pba;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
	u16 hwm;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
	/* reset Packet Buffer Allocation to default */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
	ew32(PBA, pba);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
		 * To maintain wire speed transmits, the Tx FIFO should be
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
		 * large enough to accommodate two full transmit packets,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		 * the Rx FIFO should be large enough to accommodate at least
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
		 * one full receive packet and is similarly rounded up and
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
		 * expressed in KB.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		pba = er32(PBA);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
		/* upper 16 bits has Tx packet buffer allocation size in KB */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		tx_space = pba >> 16;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		/* lower 16 bits has Rx packet buffer allocation size in KB */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
		pba &= 0xffff;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
		 * the Tx fifo also stores 16 bytes of information about the tx
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
		 * but don't include ethernet FCS because hardware appends it
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
		min_tx_space = (adapter->max_frame_size +
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
				sizeof(struct e1000_tx_desc) -
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
				ETH_FCS_LEN) * 2;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
		min_tx_space = ALIGN(min_tx_space, 1024);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
		min_tx_space >>= 10;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
		/* software strips receive CRC, so leave room for it */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		min_rx_space = adapter->max_frame_size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
		min_rx_space = ALIGN(min_rx_space, 1024);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		min_rx_space >>= 10;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
		 * If current Tx allocation is less than the min Tx FIFO size,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
		 * and the min Tx FIFO size is less than the current Rx FIFO
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
		 * allocation, take space away from current Rx allocation
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
		if ((tx_space < min_tx_space) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
		    ((min_tx_space - tx_space) < pba)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
			pba -= min_tx_space - tx_space;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
			/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
			 * if short on Rx space, Rx wins and must trump tx
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
			 * adjustment or use Early Receive if available
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
			 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
			if ((pba < min_rx_space) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
			    (!(adapter->flags & FLAG_HAS_ERT)))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
				/* ERT enabled in e1000_configure_rx */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
				pba = min_rx_space;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
		ew32(PBA, pba);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	 * flow control settings
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
	 * The high water mark must be low enough to fit one full frame
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	 * (or the size used for early receive) above it in the Rx FIFO.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	 * Set it to the lower of:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	 * - 90% of the Rx FIFO size, and
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
	 * - the full Rx FIFO size minus the early receive size (for parts
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	 * - the full Rx FIFO size minus one full frame
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	if (hw->mac.type == e1000_pchlan) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
		 * Workaround PCH LOM adapter hangs with certain network
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
		 * loads.  If hangs persist, try disabling Tx flow control.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
			fc->high_water = 0x3500;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
			fc->low_water  = 0x1500;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
		} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
			fc->high_water = 0x5000;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
			fc->low_water  = 0x3000;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
		if ((adapter->flags & FLAG_HAS_ERT) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		    (adapter->netdev->mtu > ETH_DATA_LEN))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
			hwm = min(((pba << 10) * 9 / 10),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
				  ((pba << 10) - (E1000_ERT_2048 << 3)));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
		else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
			hwm = min(((pba << 10) * 9 / 10),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
				  ((pba << 10) - adapter->max_frame_size));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
		fc->low_water = fc->high_water - 8;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
		fc->pause_time = 0xFFFF;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
	else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
		fc->pause_time = E1000_FC_PAUSE_TIME;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
	fc->send_xon = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
	fc->current_mode = fc->requested_mode;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	/* Allow time for pending master requests to run */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
	mac->ops.reset_hw(hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	 * For parts with AMT enabled, let the firmware know
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	 * that the network interface is in control
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	if (adapter->flags & FLAG_HAS_AMT)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
		e1000_get_hw_control(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	ew32(WUC, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
		e1e_wphy(&adapter->hw, BM_WUC, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	if (mac->ops.init_hw(hw))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
		e_err("Hardware Error\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
	/* additional part of the flow-control workaround above */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	if (hw->mac.type == e1000_pchlan)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
		ew32(FCRTV_PCH, 0x1000);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	e1000_update_mng_vlan(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	ew32(VET, ETH_P_8021Q);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	e1000e_reset_adaptive(hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	e1000_get_phy_info(hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
	    !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		u16 phy_data = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
		 * speed up time to link by disabling smart power down, ignore
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		 * the return value of this function because there is nothing
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
		 * different we would do if it failed
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
		e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		phy_data &= ~IGP02E1000_PM_SPD;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
		e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
int e1000e_up(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
	/* DMA latency requirement to workaround early-receive/jumbo issue */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
	if (adapter->flags & FLAG_HAS_ERT)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
		pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		                       adapter->netdev->name,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
				       PM_QOS_DEFAULT_VALUE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
	/* hardware has been reset, we need to reload some things */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
	e1000_configure(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
	clear_bit(__E1000_DOWN, &adapter->state);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	if (!adapter->ecdev) 
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
		napi_enable(&adapter->napi);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	if (adapter->msix_entries)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
		e1000_configure_msix(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
	if (!adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		e1000_irq_enable(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
		netif_wake_queue(adapter->netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
		/* fire a link change interrupt to start the watchdog */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		ew32(ICS, E1000_ICS_LSC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
void e1000e_down(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
	u32 tctl, rctl;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
	 * signal that we're down so the interrupt handler does not
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
	 * reschedule our watchdog timer
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
	set_bit(__E1000_DOWN, &adapter->state);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
	/* disable receives in the hardware */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
	rctl = er32(RCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
	/* flush and sleep below */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
	if (!adapter->ecdev) 
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
		netif_stop_queue(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	/* disable transmits in the hardware */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	tctl = er32(TCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	tctl &= ~E1000_TCTL_EN;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
	ew32(TCTL, tctl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
	/* flush both disables and wait for them to finish */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	e1e_flush();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
	msleep(10);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
	if (!adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
		napi_disable(&adapter->napi);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
		e1000_irq_disable(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		del_timer_sync(&adapter->watchdog_timer);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
		del_timer_sync(&adapter->phy_info_timer);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		netdev->tx_queue_len = adapter->tx_queue_len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
		netif_carrier_off(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
	adapter->link_speed = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	adapter->link_duplex = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
	if (!pci_channel_offline(adapter->pdev))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
		e1000e_reset(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
	e1000_clean_tx_ring(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
	e1000_clean_rx_ring(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
	if (adapter->flags & FLAG_HAS_ERT)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
		                          adapter->netdev->name);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
	 * TODO: for power management, we could drop the link and
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
	 * pci_disable_device here.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
void e1000e_reinit_locked(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
	might_sleep();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
		msleep(1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
	e1000e_down(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	e1000e_up(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	clear_bit(__E1000_RESETTING, &adapter->state);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
 * @adapter: board private structure to initialize
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
 * e1000_sw_init initializes the Adapter private data structure.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
 * Fields are initialized based on PCI device information and
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
 * OS network device settings (MTU size).
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	adapter->rx_ps_bsize0 = 128;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
	e1000e_set_interrupt_capability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
	if (e1000_alloc_queues(adapter))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
		return -ENOMEM;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
	/* Explicitly disable IRQ since the NIC can be in any state. */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
	e1000_irq_disable(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	set_bit(__E1000_DOWN, &adapter->state);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
 * e1000_intr_msi_test - Interrupt Handler
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
 * @irq: interrupt number
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
 * @data: pointer to a network interface device structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
static irqreturn_t e1000_intr_msi_test(int irq, void *data)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	struct net_device *netdev = data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	u32 icr = er32(ICR);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
	e_dbg("icr is %08X\n", icr);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
	if (icr & E1000_ICR_RXSEQ) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
		wmb();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	return IRQ_HANDLED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
 * e1000_test_msi_interrupt - Returns 0 for successful test
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
 * @adapter: board private struct
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
 * code flow taken from tg3.c
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
	int err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
	/* poll_enable hasn't been called yet, so don't need disable */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	/* clear any pending events */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
	er32(ICR);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
	/* free the real vector and request a test handler */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
	e1000_free_irq(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	e1000e_reset_interrupt_capability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	/* Assume that the test fails, if it succeeds then the test
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
	 * MSI irq handler will unset this flag */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
	adapter->flags |= FLAG_MSI_TEST_FAILED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
	err = pci_enable_msi(adapter->pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
		goto msi_test_failed;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
			  netdev->name, netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	if (err) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
		pci_disable_msi(adapter->pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
		goto msi_test_failed;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	wmb();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
	e1000_irq_enable(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	/* fire an unusual interrupt on the test handler */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
	ew32(ICS, E1000_ICS_RXSEQ);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	e1e_flush();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
	msleep(50);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
	e1000_irq_disable(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	rmb();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
		err = -EIO;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
		e_info("MSI interrupt test failed!\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
	free_irq(adapter->pdev->irq, netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
	pci_disable_msi(adapter->pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	if (err == -EIO)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
		goto msi_test_failed;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
	/* okay so the test worked, restore settings */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	e_dbg("MSI interrupt test succeeded!\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
msi_test_failed:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
	e1000e_set_interrupt_capability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	e1000_request_irq(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
	return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
 * e1000_test_msi - Returns 0 if MSI test succeeds or INTx mode is restored
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
 * @adapter: board private struct
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
 * code flow taken from tg3.c, called with e1000 interrupts disabled.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
static int e1000_test_msi(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	int err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	u16 pci_cmd;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	if (!(adapter->flags & FLAG_MSI_ENABLED))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
		return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
	/* disable SERR in case the MSI write causes a master abort */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
	pci_write_config_word(adapter->pdev, PCI_COMMAND,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
			      pci_cmd & ~PCI_COMMAND_SERR);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	err = e1000_test_msi_interrupt(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	/* restore previous setting of command word */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
	pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
	/* success ! */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	if (!err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
		return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
	/* EIO means MSI test failed */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	if (err != -EIO)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
		return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	/* back to INTx mode */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	e_warn("MSI interrupt test failed, using legacy interrupt.\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
	e1000_free_irq(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	err = e1000_request_irq(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
	return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
 * e1000_open - Called when a network interface is made active
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
 * @netdev: network interface device structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
 * Returns 0 on success, negative value on failure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
 * The open entry point is called when a network interface is made
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
 * active by the system (IFF_UP).  At this point all resources needed
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
 * for transmit and receive operations are allocated, the interrupt
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
 * handler is registered with the OS, the watchdog timer is started,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
 * and the stack is notified that the interface is ready.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
static int e1000_open(struct net_device *netdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
	int err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	/* disallow open during test */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	if (test_bit(__E1000_TESTING, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
		return -EBUSY;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
	if (adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
		ecdev_set_link(adapter->ecdev, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
		netif_carrier_off(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	/* allocate transmit descriptors */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
	err = e1000e_setup_tx_resources(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
		goto err_setup_tx;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	/* allocate receive descriptors */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	err = e1000e_setup_rx_resources(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
		goto err_setup_rx;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	e1000e_power_up_phy(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	if ((adapter->hw.mng_cookie.status &
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
		e1000_update_mng_vlan(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	 * If AMT is enabled, let the firmware know that the network
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	 * interface is now open
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	if (adapter->flags & FLAG_HAS_AMT)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
		e1000_get_hw_control(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	 * before we allocate an interrupt, we must be ready to handle it.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	 * as soon as we call pci_request_irq, so we have to setup our
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	 * clean_rx handler before we do so.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	e1000_configure(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	err = e1000_request_irq(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
		goto err_req_irq;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	 * Work around PCIe errata with MSI interrupts causing some chipsets to
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	 * ignore e1000e MSI messages, which means we need to test our MSI
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	 * interrupt now
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	if (adapter->int_mode != E1000E_INT_MODE_LEGACY) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
		err = e1000_test_msi(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
		if (err) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
			e_err("Interrupt allocation failed\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
			goto err_req_irq;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	/* From here on the code is the same as e1000e_up() */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	clear_bit(__E1000_DOWN, &adapter->state);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
	napi_enable(&adapter->napi);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	e1000_irq_enable(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
	netif_start_queue(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
	/* fire a link status change interrupt to start the watchdog */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	ew32(ICS, E1000_ICS_LSC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
err_req_irq:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	e1000_release_hw_control(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
	e1000_power_down_phy(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	e1000e_free_rx_resources(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
err_setup_rx:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
	e1000e_free_tx_resources(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
err_setup_tx:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	e1000e_reset(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
 * e1000_close - Disables a network interface
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
 * @netdev: network interface device structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
 * Returns 0, this is not allowed to fail
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
 * The close entry point is called when an interface is de-activated
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
 * by the OS.  The hardware is still under the drivers control, but
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
 * needs to be disabled.  A global MAC reset is issued to stop the
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
 * hardware, and all transmit and receive resources are freed.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
static int e1000_close(struct net_device *netdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	e1000e_down(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	e1000_power_down_phy(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	e1000_free_irq(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
	e1000e_free_tx_resources(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	e1000e_free_rx_resources(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	 * kill manageability vlan ID if supported, but not if a vlan with
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	 * the same ID is registered on the host OS (let 8021q kill it)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	if ((adapter->hw.mng_cookie.status &
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
	     !(adapter->vlgrp &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id)))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	 * If AMT is enabled, let the firmware know that the network
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	 * interface is now closed
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	if (adapter->flags & FLAG_HAS_AMT)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
		e1000_release_hw_control(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
 * e1000_set_mac - Change the Ethernet Address of the NIC
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
 * @netdev: network interface device structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
 * @p: pointer to an address structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
 * Returns 0 on success, negative on failure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
static int e1000_set_mac(struct net_device *netdev, void *p)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
	struct sockaddr *addr = p;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	if (!is_valid_ether_addr(addr->sa_data))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
		return -EADDRNOTAVAIL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
	e1000e_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
		/* activate the work around */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
		e1000e_set_laa_state_82571(&adapter->hw, 1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
		 * Hold a copy of the LAA in RAR[14] This is done so that
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
		 * between the time RAR[0] gets clobbered  and the time it
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
		 * of the RARs and no incoming packets directed to this port
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
		 * are dropped. Eventually the LAA will be in RAR[0] and
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
		 * RAR[14]
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
		e1000e_rar_set(&adapter->hw,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
			      adapter->hw.mac.addr,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
			      adapter->hw.mac.rar_entry_count - 1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
 * e1000e_update_phy_task - work thread to update phy
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
 * @work: pointer to our work struct
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
 * this worker thread exists because we must acquire a
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
 * semaphore to read the phy, which we could msleep while
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
 * waiting for it, and we can't msleep in a timer.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
static void e1000e_update_phy_task(struct work_struct *work)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	struct e1000_adapter *adapter = container_of(work,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
					struct e1000_adapter, update_phy_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
	e1000_get_phy_info(&adapter->hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
 * Need to wait a few seconds after link up to get diagnostic information from
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
 * the phy
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
static void e1000_update_phy_info(unsigned long data)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
	schedule_work(&adapter->update_phy_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
 * e1000e_update_stats - Update the board statistics counters
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
void e1000e_update_stats(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	struct pci_dev *pdev = adapter->pdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
	u16 phy_data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	 * Prevent stats update while adapter is being reset, or if the pci
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	 * connection is down.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
	if (adapter->link_speed == 0)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
	if (pci_channel_offline(pdev))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	adapter->stats.crcerrs += er32(CRCERRS);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	adapter->stats.gprc += er32(GPRC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	adapter->stats.gorc += er32(GORCL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	er32(GORCH); /* Clear gorc */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	adapter->stats.bprc += er32(BPRC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
	adapter->stats.mprc += er32(MPRC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	adapter->stats.roc += er32(ROC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
	adapter->stats.mpc += er32(MPC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	if ((hw->phy.type == e1000_phy_82578) ||
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	    (hw->phy.type == e1000_phy_82577)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
		e1e_rphy(hw, HV_SCC_UPPER, &phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
		if (!e1e_rphy(hw, HV_SCC_LOWER, &phy_data))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
			adapter->stats.scc += phy_data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
		e1e_rphy(hw, HV_ECOL_UPPER, &phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
		if (!e1e_rphy(hw, HV_ECOL_LOWER, &phy_data))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
			adapter->stats.ecol += phy_data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
		e1e_rphy(hw, HV_MCC_UPPER, &phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
		if (!e1e_rphy(hw, HV_MCC_LOWER, &phy_data))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
			adapter->stats.mcc += phy_data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
		e1e_rphy(hw, HV_LATECOL_UPPER, &phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
		if (!e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
			adapter->stats.latecol += phy_data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
		e1e_rphy(hw, HV_DC_UPPER, &phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
		if (!e1e_rphy(hw, HV_DC_LOWER, &phy_data))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
			adapter->stats.dc += phy_data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
		adapter->stats.scc += er32(SCC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
		adapter->stats.ecol += er32(ECOL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
		adapter->stats.mcc += er32(MCC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
		adapter->stats.latecol += er32(LATECOL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
		adapter->stats.dc += er32(DC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	adapter->stats.xonrxc += er32(XONRXC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
	adapter->stats.xontxc += er32(XONTXC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
	adapter->stats.xoffrxc += er32(XOFFRXC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	adapter->stats.xofftxc += er32(XOFFTXC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	adapter->stats.gptc += er32(GPTC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	adapter->stats.gotc += er32(GOTCL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	er32(GOTCH); /* Clear gotc */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	adapter->stats.rnbc += er32(RNBC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	adapter->stats.ruc += er32(RUC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	adapter->stats.mptc += er32(MPTC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	adapter->stats.bptc += er32(BPTC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	/* used for adaptive IFS */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	hw->mac.tx_packet_delta = er32(TPT);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	adapter->stats.tpt += hw->mac.tx_packet_delta;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	if ((hw->phy.type == e1000_phy_82578) ||
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	    (hw->phy.type == e1000_phy_82577)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
		e1e_rphy(hw, HV_COLC_UPPER, &phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
		if (!e1e_rphy(hw, HV_COLC_LOWER, &phy_data))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
			hw->mac.collision_delta = phy_data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
		hw->mac.collision_delta = er32(COLC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
	adapter->stats.colc += hw->mac.collision_delta;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	adapter->stats.algnerrc += er32(ALGNERRC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
	adapter->stats.rxerrc += er32(RXERRC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	if ((hw->phy.type == e1000_phy_82578) ||
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	    (hw->phy.type == e1000_phy_82577)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
		e1e_rphy(hw, HV_TNCRS_UPPER, &phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
		if (!e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
			adapter->stats.tncrs += phy_data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
		if ((hw->mac.type != e1000_82574) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
		    (hw->mac.type != e1000_82583))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
			adapter->stats.tncrs += er32(TNCRS);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	adapter->stats.cexterr += er32(CEXTERR);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	adapter->stats.tsctc += er32(TSCTC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	adapter->stats.tsctfc += er32(TSCTFC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
	/* Fill out the OS statistics structure */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	netdev->stats.multicast = adapter->stats.mprc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	netdev->stats.collisions = adapter->stats.colc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	/* Rx Errors */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	 * RLEC on some newer hardware can be incorrect so build
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	 * our own version based on RUC and ROC
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
	netdev->stats.rx_errors = adapter->stats.rxerrc +
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
		adapter->stats.crcerrs + adapter->stats.algnerrc +
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
		adapter->stats.ruc + adapter->stats.roc +
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
		adapter->stats.cexterr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	netdev->stats.rx_length_errors = adapter->stats.ruc +
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
					      adapter->stats.roc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	/* Tx Errors */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	netdev->stats.tx_errors = adapter->stats.ecol +
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
				       adapter->stats.latecol;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
	netdev->stats.tx_window_errors = adapter->stats.latecol;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	/* Tx Dropped needs to be maintained elsewhere */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	/* Management Stats */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	adapter->stats.mgptc += er32(MGTPTC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	adapter->stats.mgprc += er32(MGTPRC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	adapter->stats.mgpdc += er32(MGTPDC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
 * e1000_phy_read_status - Update the PHY register status snapshot
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
 * @adapter: board private structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
static void e1000_phy_read_status(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	struct e1000_phy_regs *phy = &adapter->phy_regs;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
	int ret_val;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
	if ((er32(STATUS) & E1000_STATUS_LU) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	    (adapter->hw.phy.media_type == e1000_media_type_copper)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
		ret_val  = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
		ret_val |= e1e_rphy(hw, PHY_STATUS, &phy->bmsr);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
		ret_val |= e1e_rphy(hw, PHY_LP_ABILITY, &phy->lpa);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_EXP, &phy->expansion);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
		ret_val |= e1e_rphy(hw, PHY_1000T_CTRL, &phy->ctrl1000);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
		ret_val |= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
		ret_val |= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
		if (ret_val)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
			e_warn("Error reading PHY register\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
		 * Do not read PHY registers if link is not up
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
		 * Set values to typical power-on defaults
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
		phy->bmcr = (BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_FULLDPLX);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
		phy->bmsr = (BMSR_100FULL | BMSR_100HALF | BMSR_10FULL |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
			     BMSR_10HALF | BMSR_ESTATEN | BMSR_ANEGCAPABLE |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
			     BMSR_ERCAP);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
		phy->advertise = (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
				  ADVERTISE_ALL | ADVERTISE_CSMA);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
		phy->lpa = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
		phy->expansion = EXPANSION_ENABLENPAGE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
		phy->ctrl1000 = ADVERTISE_1000FULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
		phy->stat1000 = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
		phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
static void e1000_print_link_info(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
	u32 ctrl = er32(CTRL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
	/* Link status message must follow this format for user tools */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
	printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s, "
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
	       "Flow Control: %s\n",
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	       adapter->netdev->name,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	       adapter->link_speed,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	       (adapter->link_duplex == FULL_DUPLEX) ?
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
	                        "Full Duplex" : "Half Duplex",
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	       ((ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE)) ?
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
	                        "RX/TX" :
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	       ((ctrl & E1000_CTRL_RFCE) ? "RX" :
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
	       ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
bool e1000_has_link(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	bool link_active = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
	s32 ret_val = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
	 * get_link_status is set on LSC (link status) interrupt or
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	 * Rx sequence error interrupt.  get_link_status will stay
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
	 * false until the check_for_link establishes link
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	 * for copper adapters ONLY
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	switch (hw->phy.media_type) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
	case e1000_media_type_copper:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
		if (hw->mac.get_link_status) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
			ret_val = hw->mac.ops.check_for_link(hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
			link_active = !hw->mac.get_link_status;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
		} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
			link_active = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
	case e1000_media_type_fiber:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
		ret_val = hw->mac.ops.check_for_link(hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
	case e1000_media_type_internal_serdes:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
		ret_val = hw->mac.ops.check_for_link(hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
		link_active = adapter->hw.mac.serdes_has_link;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
	default:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
	case e1000_media_type_unknown:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
		/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
		e_info("Gigabit has been disabled, downgrading speed\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	return link_active;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
static void e1000e_enable_receives(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
	/* make sure the receive unit is started */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
	    (adapter->flags & FLAG_RX_RESTART_NOW)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
		struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
		u32 rctl = er32(RCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
		ew32(RCTL, rctl | E1000_RCTL_EN);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
		adapter->flags &= ~FLAG_RX_RESTART_NOW;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
 * e1000_watchdog - Timer Call-back
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
 * @data: pointer to adapter cast into an unsigned long
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
static void e1000_watchdog(unsigned long data)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	/* Do the rest outside of interrupt context */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
	schedule_work(&adapter->watchdog_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	/* TODO: make this use queue_delayed_work() */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
static void e1000_watchdog_task(struct work_struct *work)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	struct e1000_adapter *adapter = container_of(work,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
					struct e1000_adapter, watchdog_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	struct e1000_mac_info *mac = &adapter->hw.mac;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	struct e1000_phy_info *phy = &adapter->hw.phy;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	u32 link, tctl;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	int tx_pending = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	link = e1000_has_link(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	if ((adapter->ecdev && (ecdev_get_link(adapter->ecdev)) && link)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
			|| (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
		e1000e_enable_receives(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
		goto link_up;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	    (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
		e1000_update_mng_vlan(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
	if (link) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev)) 
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
			bool txb2b = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
			/* update snapshot of PHY registers on LSC */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
			e1000_phy_read_status(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
			mac->ops.get_link_up_info(&adapter->hw,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
						   &adapter->link_speed,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
						   &adapter->link_duplex);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
			e1000_print_link_info(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
			/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
			 * On supported PHYs, check for duplex mismatch only
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
			 * if link has autonegotiated at 10/100 half
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
			 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
			if ((hw->phy.type == e1000_phy_igp_3 ||
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
			     hw->phy.type == e1000_phy_bm) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
			    (hw->mac.autoneg == true) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
			    (adapter->link_speed == SPEED_10 ||
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
			     adapter->link_speed == SPEED_100) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
			    (adapter->link_duplex == HALF_DUPLEX)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
				u16 autoneg_exp;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
				e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
				if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
					e_info("Autonegotiated half duplex but"
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
					       " link partner cannot autoneg. "
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
					       " Try forcing full duplex if "
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
					       "link gets many collisions.\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
			/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
			 * tweak tx_queue_len according to speed/duplex
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
			 * and adjust the timeout factor
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
			 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
			netdev->tx_queue_len = adapter->tx_queue_len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
			adapter->tx_timeout_factor = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
			switch (adapter->link_speed) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
			case SPEED_10:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
				txb2b = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
				netdev->tx_queue_len = 10;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
				adapter->tx_timeout_factor = 16;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
				break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
			case SPEED_100:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
				txb2b = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
				netdev->tx_queue_len = 100;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
				adapter->tx_timeout_factor = 10;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
				break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
			/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
			 * workaround: re-program speed mode bit after
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
			 * link-up event
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
			 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
			if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
			    !txb2b) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
				u32 tarc0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
				tarc0 = er32(TARC(0));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
				tarc0 &= ~SPEED_MODE_BIT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
				ew32(TARC(0), tarc0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
			/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
			 * disable TSO for pcie and 10/100 speeds, to avoid
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
			 * some hardware issues
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
			 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
			if (!(adapter->flags & FLAG_TSO_FORCE)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
				switch (adapter->link_speed) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
				case SPEED_10:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
				case SPEED_100:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
					e_info("10/100 speed: disabling TSO\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
					netdev->features &= ~NETIF_F_TSO;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
					netdev->features &= ~NETIF_F_TSO6;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
					break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
				case SPEED_1000:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
					netdev->features |= NETIF_F_TSO;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
					netdev->features |= NETIF_F_TSO6;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
					break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
				default:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
					/* oops */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
					break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
				}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
			/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
			 * enable transmits in the hardware, need to do this
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
			 * after setting TARC(0)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
			 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
			tctl = er32(TCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
			tctl |= E1000_TCTL_EN;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
			ew32(TCTL, tctl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
                        /*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
			 * Perform any post-link-up configuration before
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
			 * reporting link up.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
			 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
			if (phy->ops.cfg_on_link_up)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
				phy->ops.cfg_on_link_up(hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
			if (adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
				ecdev_set_link(adapter->ecdev, 1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
			else 
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
				netif_carrier_on(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
			if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
				mod_timer(&adapter->phy_info_timer,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
					  round_jiffies(jiffies + 2 * HZ));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev)) 
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
			adapter->link_speed = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
			adapter->link_duplex = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
			/* Link status message must follow this format */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
			printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
			       adapter->netdev->name);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
			if (adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
				ecdev_set_link(adapter->ecdev, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
			else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
				netif_carrier_off(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
			if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
				mod_timer(&adapter->phy_info_timer,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
					  round_jiffies(jiffies + 2 * HZ));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
			if (adapter->flags & FLAG_RX_NEEDS_RESTART)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
				schedule_work(&adapter->reset_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
link_up:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
	e1000e_update_stats(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
	mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
	adapter->tpt_old = adapter->stats.tpt;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	mac->collision_delta = adapter->stats.colc - adapter->colc_old;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	adapter->colc_old = adapter->stats.colc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
	adapter->gorc_old = adapter->stats.gorc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
	adapter->gotc_old = adapter->stats.gotc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
	e1000e_update_adaptive(&adapter->hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev)) 
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
			|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
		tx_pending = (e1000_desc_unused(tx_ring) + 1 <
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
			       tx_ring->count);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
		if (tx_pending) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
			/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
			 * We've lost link, so the controller stops DMA,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
			 * but we've got queued Tx work that's never going
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
			 * to get done, so reset controller to flush Tx.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
			 * (Do the reset outside of interrupt context).
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
			 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
			adapter->tx_timeout_count++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
			schedule_work(&adapter->reset_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
			/* return immediately since reset is imminent */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
			return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
	/* Cause software interrupt to ensure Rx ring is cleaned */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	if (adapter->msix_entries)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
		ew32(ICS, adapter->rx_ring->ims_val);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
	else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
		ew32(ICS, E1000_ICS_RXDMT0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
	/* Force detection of hung controller every watchdog period */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
	adapter->detect_tx_hung = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
	 * With 82571 controllers, LAA may be overwritten due to controller
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
	 * reset from the other port. Set the appropriate LAA in RAR[0]
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
	if (e1000e_get_laa_state_82571(hw))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
		e1000e_rar_set(hw, adapter->hw.mac.addr, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
	/* Reset the timer */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
		mod_timer(&adapter->watchdog_timer,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
			  round_jiffies(jiffies + 2 * HZ));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
#define E1000_TX_FLAGS_CSUM		0x00000001
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
#define E1000_TX_FLAGS_VLAN		0x00000002
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
#define E1000_TX_FLAGS_TSO		0x00000004
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
#define E1000_TX_FLAGS_IPV4		0x00000008
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
#define E1000_TX_FLAGS_VLAN_SHIFT	16
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
static int e1000_tso(struct e1000_adapter *adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
		     struct sk_buff *skb)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
	struct e1000_context_desc *context_desc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
	struct e1000_buffer *buffer_info;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
	unsigned int i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
	u32 cmd_length = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
	u16 ipcse = 0, tucse, mss;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
	int err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	if (!skb_is_gso(skb))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
		return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
	if (skb_header_cloned(skb)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
		err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
		if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
			return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	mss = skb_shinfo(skb)->gso_size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	if (skb->protocol == htons(ETH_P_IP)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
		struct iphdr *iph = ip_hdr(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
		iph->tot_len = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
		iph->check = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
		tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
		                                         0, IPPROTO_TCP, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
		cmd_length = E1000_TXD_CMD_IP;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
		ipcse = skb_transport_offset(skb) - 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
	} else if (skb_is_gso_v6(skb)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
		ipv6_hdr(skb)->payload_len = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
		                                       &ipv6_hdr(skb)->daddr,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
		                                       0, IPPROTO_TCP, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
		ipcse = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
	ipcss = skb_network_offset(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
	ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
	tucss = skb_transport_offset(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
	tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
	tucse = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
	cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
	               E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
	i = tx_ring->next_to_use;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
	buffer_info = &tx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
	context_desc->lower_setup.ip_fields.ipcss  = ipcss;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
	context_desc->lower_setup.ip_fields.ipcso  = ipcso;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
	context_desc->upper_setup.tcp_fields.tucss = tucss;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	context_desc->upper_setup.tcp_fields.tucso = tucso;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
	context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
	buffer_info->time_stamp = jiffies;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
	buffer_info->next_to_watch = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
	i++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
	if (i == tx_ring->count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
		i = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
	tx_ring->next_to_use = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
	return 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
	struct e1000_context_desc *context_desc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	struct e1000_buffer *buffer_info;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	unsigned int i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	u8 css;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	u32 cmd_len = E1000_TXD_CMD_DEXT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
	__be16 protocol;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
	if (skb->ip_summed != CHECKSUM_PARTIAL)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
		return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
		protocol = skb->protocol;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
	switch (protocol) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
	case cpu_to_be16(ETH_P_IP):
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
			cmd_len |= E1000_TXD_CMD_TCP;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
	case cpu_to_be16(ETH_P_IPV6):
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
		/* XXX not handling all IPV6 headers */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
			cmd_len |= E1000_TXD_CMD_TCP;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
	default:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
		if (unlikely(net_ratelimit()))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
			e_warn("checksum_partial proto=%x!\n",
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
			       be16_to_cpu(protocol));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
	css = skb_transport_offset(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
	i = tx_ring->next_to_use;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
	buffer_info = &tx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
	context_desc->lower_setup.ip_config = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
	context_desc->upper_setup.tcp_fields.tucss = css;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	context_desc->upper_setup.tcp_fields.tucso =
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
				css + skb->csum_offset;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	context_desc->upper_setup.tcp_fields.tucse = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
	context_desc->tcp_seg_setup.data = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	buffer_info->time_stamp = jiffies;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
	buffer_info->next_to_watch = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
	i++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
	if (i == tx_ring->count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
		i = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
	tx_ring->next_to_use = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
	return 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
#define E1000_MAX_PER_TXD	8192
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
#define E1000_MAX_TXD_PWR	12
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
static int e1000_tx_map(struct e1000_adapter *adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
			struct sk_buff *skb, unsigned int first,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
			unsigned int max_per_txd, unsigned int nr_frags,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
			unsigned int mss)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
	struct pci_dev *pdev = adapter->pdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	struct e1000_buffer *buffer_info;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
	unsigned int len = skb_headlen(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
	unsigned int offset = 0, size, count = 0, i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
	unsigned int f;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
	i = tx_ring->next_to_use;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
	while (len) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
		buffer_info = &tx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
		size = min(len, max_per_txd);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
		buffer_info->length = size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
		buffer_info->time_stamp = jiffies;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
		buffer_info->next_to_watch = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
		buffer_info->dma = pci_map_single(pdev,	skb->data + offset,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
						  size,	PCI_DMA_TODEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
		buffer_info->mapped_as_page = false;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
		if (pci_dma_mapping_error(pdev, buffer_info->dma))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
			goto dma_error;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
		len -= size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
		offset += size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
		count++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
		if (len) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
			i++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
			if (i == tx_ring->count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
				i = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
	for (f = 0; f < nr_frags; f++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
		struct skb_frag_struct *frag;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
		frag = &skb_shinfo(skb)->frags[f];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
		len = frag->size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
		offset = frag->page_offset;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
		while (len) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
			i++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
			if (i == tx_ring->count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
				i = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
			buffer_info = &tx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
			size = min(len, max_per_txd);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
			buffer_info->length = size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
			buffer_info->time_stamp = jiffies;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
			buffer_info->next_to_watch = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
			buffer_info->dma = pci_map_page(pdev, frag->page,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
							offset, size,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
							PCI_DMA_TODEVICE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
			buffer_info->mapped_as_page = true;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
			if (pci_dma_mapping_error(pdev, buffer_info->dma))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
				goto dma_error;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
			len -= size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
			offset += size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
			count++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
	tx_ring->buffer_info[i].skb = skb;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
	tx_ring->buffer_info[first].next_to_watch = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
	return count;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
dma_error:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
	dev_err(&pdev->dev, "TX DMA map failed\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
	buffer_info->dma = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
	if (count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
		count--;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
	while (count--) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
		if (i==0)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
			i += tx_ring->count;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
		i--;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
		buffer_info = &tx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
		e1000_put_txbuf(adapter, buffer_info);;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
static void e1000_tx_queue(struct e1000_adapter *adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
			   int tx_flags, int count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
	struct e1000_tx_desc *tx_desc = NULL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
	struct e1000_buffer *buffer_info;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
	unsigned int i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
	if (tx_flags & E1000_TX_FLAGS_TSO) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
			     E1000_TXD_CMD_TSE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
		if (tx_flags & E1000_TX_FLAGS_IPV4)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	if (tx_flags & E1000_TX_FLAGS_CSUM) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	if (tx_flags & E1000_TX_FLAGS_VLAN) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
		txd_lower |= E1000_TXD_CMD_VLE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	i = tx_ring->next_to_use;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	while (count--) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
		buffer_info = &tx_ring->buffer_info[i];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
		tx_desc = E1000_TX_DESC(*tx_ring, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
		tx_desc->lower.data =
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
			cpu_to_le32(txd_lower | buffer_info->length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
		tx_desc->upper.data = cpu_to_le32(txd_upper);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
		i++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
		if (i == tx_ring->count)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
			i = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
	 * Force memory writes to complete before letting h/w
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
	 * know there are new descriptors to fetch.  (Only
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
	 * applicable for weak-ordered memory model archs,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
	 * such as IA-64).
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
	wmb();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	tx_ring->next_to_use = i;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
	writel(i, adapter->hw.hw_addr + tx_ring->tail);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	 * we need this if more than one processor can write to our tail
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	 * at a time, it synchronizes IO on IA64/Altix systems
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	mmiowb();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
#define MINIMUM_DHCP_PACKET_SIZE 282
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
				    struct sk_buff *skb)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
	struct e1000_hw *hw =  &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
	u16 length, offset;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
	if (vlan_tx_tag_present(skb)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
		    (adapter->hw.mng_cookie.status &
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
			return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
		return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
	if (((struct ethhdr *) skb->data)->h_proto != htons(ETH_P_IP))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
		return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
	{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
		const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
		struct udphdr *udp;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
		if (ip->protocol != IPPROTO_UDP)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
			return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
		udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
		if (ntohs(udp->dest) != 67)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
			return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
		offset = (u8 *)udp + 8 - skb->data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		length = skb->len - offset;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
		return e1000e_mng_write_dhcp_info(hw, (u8 *)udp + 8, length);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
	netif_stop_queue(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
	 * Herbert's original patch had:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
	 *  smp_mb__after_netif_stop_queue();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
	 * but since that doesn't exist yet, just open code it.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
	smp_mb();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
	 * We need to check again in a case another CPU has just
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
	 * made room available.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
	if (e1000_desc_unused(adapter->tx_ring) < size)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
		return -EBUSY;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
	/* A reprieve! */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
	netif_start_queue(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
	++adapter->restart_queue;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
static int e1000_maybe_stop_tx(struct net_device *netdev, int size)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
	if (e1000_desc_unused(adapter->tx_ring) >= size)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
		return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
	return __e1000_maybe_stop_tx(netdev, size);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
				    struct net_device *netdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
	struct e1000_ring *tx_ring = adapter->tx_ring;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	unsigned int first;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
	unsigned int max_per_txd = E1000_MAX_PER_TXD;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
	unsigned int tx_flags = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
	unsigned int len = skb->len - skb->data_len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
	unsigned int nr_frags;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	unsigned int mss;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
	int count = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	int tso;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
	unsigned int f;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	if (test_bit(__E1000_DOWN, &adapter->state)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
		if (!adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
			dev_kfree_skb_any(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
		return NETDEV_TX_OK;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
	if (skb->len <= 0) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
		if (!adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
			dev_kfree_skb_any(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
		return NETDEV_TX_OK;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
	mss = skb_shinfo(skb)->gso_size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
	 * The controller does a simple calculation to
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
	 * make sure there is enough room in the FIFO before
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
	 * initiating the DMA for each buffer.  The calc is:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
	 * 4 = ceil(buffer len/mss).  To make sure we don't
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
	 * overrun the FIFO, adjust the max buffer len if mss
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
	 * drops.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
	if (mss) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
		u8 hdr_len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
		max_per_txd = min(mss << 2, max_per_txd);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
		max_txd_pwr = fls(max_per_txd) - 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
		 * TSO Workaround for 82571/2/3 Controllers -- if skb->data
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
		 * points to just header, pull a few bytes of payload from
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
		 * frags into skb->data
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
		/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
		 * we do this workaround for ES2LAN, but it is un-necessary,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
		 * avoiding it could save a lot of cycles
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
		 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
		if (skb->data_len && (hdr_len == len)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
			unsigned int pull_size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
			pull_size = min((unsigned int)4, skb->data_len);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
			if (!__pskb_pull_tail(skb, pull_size)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
				e_err("__pskb_pull_tail failed.\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
				if (!adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
					dev_kfree_skb_any(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
				return NETDEV_TX_OK;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
			len = skb->len - skb->data_len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
	/* reserve a descriptor for the offload context */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
		count++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
	count++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
	count += TXD_USE_COUNT(len, max_txd_pwr);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
	nr_frags = skb_shinfo(skb)->nr_frags;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
	for (f = 0; f < nr_frags; f++)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
				       max_txd_pwr);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
	if (adapter->hw.mac.tx_pkt_filtering)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
		e1000_transfer_dhcp_info(adapter, skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
	 * need: count + 2 desc gap to keep tail from touching
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
	 * head, otherwise try next time
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
	if (!adapter->ecdev && e1000_maybe_stop_tx(netdev, count + 2))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
		return NETDEV_TX_BUSY;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
	if (adapter->vlgrp && vlan_tx_tag_present(skb)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
		tx_flags |= E1000_TX_FLAGS_VLAN;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
	first = tx_ring->next_to_use;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
	tso = e1000_tso(adapter, skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
	if (tso < 0) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
		if (!adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
			dev_kfree_skb_any(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
		return NETDEV_TX_OK;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	if (tso)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
		tx_flags |= E1000_TX_FLAGS_TSO;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	else if (e1000_tx_csum(adapter, skb))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
		tx_flags |= E1000_TX_FLAGS_CSUM;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
	 * Old method was to assume IPv4 packet by default if TSO was enabled.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
	 * no longer assume, we must.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
	if (skb->protocol == htons(ETH_P_IP))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
		tx_flags |= E1000_TX_FLAGS_IPV4;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
	/* if count is 0 then mapping error has occured */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
	count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
	if (count) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
		e1000_tx_queue(adapter, tx_flags, count);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
		/* Make sure there is space in the ring for the next send. */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
		if (!adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
			e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
		if (!adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
			dev_kfree_skb_any(skb);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
		tx_ring->buffer_info[first].time_stamp = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
		tx_ring->next_to_use = first;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
	return NETDEV_TX_OK;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
 * e1000_tx_timeout - Respond to a Tx Hang
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
 * @netdev: network interface device structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
static void e1000_tx_timeout(struct net_device *netdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
	/* Do the reset outside of interrupt context */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
	adapter->tx_timeout_count++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
	schedule_work(&adapter->reset_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
static void e1000_reset_task(struct work_struct *work)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
	struct e1000_adapter *adapter;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
	adapter = container_of(work, struct e1000_adapter, reset_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
	e1000e_reinit_locked(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
 * e1000_get_stats - Get System Network Statistics
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
 * @netdev: network interface device structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
 * Returns the address of the device statistics structure.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
 * The statistics are actually updated from the timer callback.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
	/* only return the current stats */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
	return &netdev->stats;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
 * e1000_change_mtu - Change the Maximum Transfer Unit
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
 * @netdev: network interface device structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
 * @new_mtu: new value for maximum frame size
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
 * Returns 0 on success, negative on failure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
	if (adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
		return -EBUSY;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
	/* Jumbo frame support */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
	if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
	    !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
		e_err("Jumbo Frames not supported.\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
		return -EINVAL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
	/* Supported frame sizes */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
	    (max_frame > adapter->max_hw_frame_size)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
		e_err("Unsupported MTU setting\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
		return -EINVAL;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
		msleep(1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
	/* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
	adapter->max_frame_size = max_frame;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
	e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
	netdev->mtu = new_mtu;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
	if (netif_running(netdev))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
		e1000e_down(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
	 * NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	 * means we reserve 2 more, this pushes us to allocate from the next
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
	 * larger slab size.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
	 * i.e. RXBUFFER_2048 --> size-4096 slab
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
	 * However with the new *_jumbo_rx* routines, jumbo receives will use
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
	 * fragmented skbs
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
	if (max_frame <= 2048)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
		adapter->rx_buffer_len = 2048;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
	else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
		adapter->rx_buffer_len = 4096;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
	/* adjust allocation if LPE protects us, and we aren't using SBP */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
	     (max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
		adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
					 + ETH_FCS_LEN;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
	if (netif_running(netdev))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
		e1000e_up(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
	else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
		e1000e_reset(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
	clear_bit(__E1000_RESETTING, &adapter->state);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
			   int cmd)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
	struct mii_ioctl_data *data = if_mii(ifr);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
		return -EOPNOTSUPP;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
	switch (cmd) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
	case SIOCGMIIPHY:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
		data->phy_id = adapter->hw.phy.addr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
	case SIOCGMIIREG:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
		e1000_phy_read_status(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
		switch (data->reg_num & 0x1F) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
		case MII_BMCR:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
			data->val_out = adapter->phy_regs.bmcr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
		case MII_BMSR:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
			data->val_out = adapter->phy_regs.bmsr;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
		case MII_PHYSID1:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
			data->val_out = (adapter->hw.phy.id >> 16);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
		case MII_PHYSID2:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
			data->val_out = (adapter->hw.phy.id & 0xFFFF);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		case MII_ADVERTISE:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
			data->val_out = adapter->phy_regs.advertise;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
		case MII_LPA:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
			data->val_out = adapter->phy_regs.lpa;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
		case MII_EXPANSION:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
			data->val_out = adapter->phy_regs.expansion;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
		case MII_CTRL1000:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
			data->val_out = adapter->phy_regs.ctrl1000;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
		case MII_STAT1000:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
			data->val_out = adapter->phy_regs.stat1000;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
		case MII_ESTATUS:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
			data->val_out = adapter->phy_regs.estatus;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
		default:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
			return -EIO;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
		break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
	case SIOCSMIIREG:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
	default:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
		return -EOPNOTSUPP;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
	switch (cmd) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
	case SIOCGMIIPHY:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
	case SIOCGMIIREG:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
	case SIOCSMIIREG:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
		return e1000_mii_ioctl(netdev, ifr, cmd);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
	default:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
		return -EOPNOTSUPP;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
	u32 i, mac_reg;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
	u16 phy_reg;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	int retval = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
	/* copy MAC RARs to PHY RARs */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
	for (i = 0; i < adapter->hw.mac.rar_entry_count; i++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
		mac_reg = er32(RAL(i));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
		e1e_wphy(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
		e1e_wphy(hw, BM_RAR_M(i), (u16)((mac_reg >> 16) & 0xFFFF));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
		mac_reg = er32(RAH(i));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
		e1e_wphy(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
		e1e_wphy(hw, BM_RAR_CTRL(i), (u16)((mac_reg >> 16) & 0xFFFF));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
	/* copy MAC MTA to PHY MTA */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
		mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
		e1e_wphy(hw, BM_MTA(i), (u16)(mac_reg & 0xFFFF));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
		e1e_wphy(hw, BM_MTA(i) + 1, (u16)((mac_reg >> 16) & 0xFFFF));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
	/* configure PHY Rx Control register */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
	e1e_rphy(&adapter->hw, BM_RCTL, &phy_reg);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
	mac_reg = er32(RCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
	if (mac_reg & E1000_RCTL_UPE)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
		phy_reg |= BM_RCTL_UPE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
	if (mac_reg & E1000_RCTL_MPE)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
		phy_reg |= BM_RCTL_MPE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
	phy_reg &= ~(BM_RCTL_MO_MASK);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
	if (mac_reg & E1000_RCTL_MO_3)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
		phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
				<< BM_RCTL_MO_SHIFT);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
	if (mac_reg & E1000_RCTL_BAM)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
		phy_reg |= BM_RCTL_BAM;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
	if (mac_reg & E1000_RCTL_PMCF)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
		phy_reg |= BM_RCTL_PMCF;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	mac_reg = er32(CTRL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
	if (mac_reg & E1000_CTRL_RFCE)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
		phy_reg |= BM_RCTL_RFCE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
	e1e_wphy(&adapter->hw, BM_RCTL, phy_reg);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
	/* enable PHY wakeup in MAC register */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	ew32(WUFC, wufc);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
	ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
	/* configure and enable PHY wakeup in PHY registers */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
	e1e_wphy(&adapter->hw, BM_WUFC, wufc);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
	e1e_wphy(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	/* activate PHY wakeup */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
	retval = hw->phy.ops.acquire(hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	if (retval) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
		e_err("Could not acquire PHY\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
		return retval;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	                         (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	retval = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	if (retval) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
		e_err("Could not read PHY page 769\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
		goto out;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
	phy_reg |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
	retval = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	if (retval)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
		e_err("Could not set PHY Host Wakeup bit\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
out:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
	hw->phy.ops.release(hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
	return retval;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
	struct net_device *netdev = pci_get_drvdata(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
	u32 ctrl, ctrl_ext, rctl, status;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
	u32 wufc = adapter->wol;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
	int retval = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
	netif_device_detach(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
	if (netif_running(netdev)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
		e1000e_down(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
		e1000_free_irq(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	e1000e_reset_interrupt_capability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
	retval = pci_save_state(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
	if (retval)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
		return retval;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	status = er32(STATUS);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
	if (status & E1000_STATUS_LU)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
		wufc &= ~E1000_WUFC_LNKC;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
	if (wufc) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
		e1000_setup_rctl(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
		e1000_set_multi(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		/* turn on all-multi mode if wake on multicast is enabled */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
		if (wufc & E1000_WUFC_MC) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
			rctl = er32(RCTL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
			rctl |= E1000_RCTL_MPE;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
			ew32(RCTL, rctl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
		ctrl = er32(CTRL);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
		/* advertise wake from D3Cold */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
		#define E1000_CTRL_ADVD3WUC 0x00100000
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
		/* phy power management enable */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
		#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
		ctrl |= E1000_CTRL_ADVD3WUC;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
		if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
			ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
		ew32(CTRL, ctrl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
		if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
		    adapter->hw.phy.media_type ==
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
		    e1000_media_type_internal_serdes) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
			/* keep the laser running in D3 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
			ctrl_ext = er32(CTRL_EXT);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
			ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
			ew32(CTRL_EXT, ctrl_ext);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
		if (adapter->flags & FLAG_IS_ICH)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
			e1000e_disable_gig_wol_ich8lan(&adapter->hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
		/* Allow time for pending master requests to run */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
		e1000e_disable_pcie_master(&adapter->hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
		if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
			/* enable wakeup by the PHY */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
			retval = e1000_init_phy_wakeup(adapter, wufc);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
			if (retval)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
				return retval;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
		} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
			/* enable wakeup by the MAC */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
			ew32(WUFC, wufc);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
			ew32(WUC, E1000_WUC_PME_EN);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
		ew32(WUC, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
		ew32(WUFC, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
	*enable_wake = !!wufc;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
	/* make sure adapter isn't asleep if manageability is enabled */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
	if ((adapter->flags & FLAG_MNG_PT_ENABLED) ||
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
	    (hw->mac.ops.check_mng_mode(hw)))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
		*enable_wake = true;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
	if (adapter->hw.phy.type == e1000_phy_igp_3)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
	 * would have already happened in close and is redundant.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
	e1000_release_hw_control(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
	pci_disable_device(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
static void e1000_power_off(struct pci_dev *pdev, bool sleep, bool wake)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
	if (sleep && wake) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
		pci_prepare_to_sleep(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
	pci_wake_from_d3(pdev, wake);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
	pci_set_power_state(pdev, PCI_D3hot);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
                                    bool wake)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	struct net_device *netdev = pci_get_drvdata(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
	 * The pci-e switch on some quad port adapters will report a
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
	 * correctable error when the MAC transitions from D0 to D3.  To
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
	 * prevent this we need to mask off the correctable errors on the
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
	 * downstream port of the pci-e switch.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
	if (adapter->flags & FLAG_IS_QUAD_PORT) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
		struct pci_dev *us_dev = pdev->bus->self;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
		int pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
		u16 devctl;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
		pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
		                      (devctl & ~PCI_EXP_DEVCTL_CERE));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
		e1000_power_off(pdev, sleep, wake);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL, devctl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
		e1000_power_off(pdev, sleep, wake);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
static void e1000e_disable_l1aspm(struct pci_dev *pdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
	int pos;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
	u16 val;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
	 * 82573 workaround - disable L1 ASPM on mobile chipsets
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
	 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
	 * L1 ASPM on various mobile (ich7) chipsets do not behave properly
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
	 * resulting in lost data or garbage information on the pci-e link
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	 * level. This could result in (false) bad EEPROM checksum errors,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
	 * long ping times (up to 2s) or even a system freeze/hang.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
	 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	 * Unfortunately this feature saves about 1W power consumption when
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	 * active.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
	pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &val);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	if (val & 0x2) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
		dev_warn(&pdev->dev, "Disabling L1 ASPM\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
		val &= ~0x2;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
		pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, val);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
#ifdef CONFIG_PM
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
	int retval;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
	bool wake;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
	struct net_device *netdev = pci_get_drvdata(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	if (adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
		return -EBUSY;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
	retval = __e1000_shutdown(pdev, &wake);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
	if (!retval)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
		e1000_complete_shutdown(pdev, true, wake);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	return retval;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
static int e1000_resume(struct pci_dev *pdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	struct net_device *netdev = pci_get_drvdata(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	u32 err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
	if (adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
		return -EBUSY;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	pci_set_power_state(pdev, PCI_D0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
	pci_restore_state(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
	pci_save_state(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
	e1000e_disable_l1aspm(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
	err = pci_enable_device_mem(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
	if (err) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
		dev_err(&pdev->dev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
			"Cannot enable PCI device from suspend\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
		return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
	pci_set_master(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	pci_enable_wake(pdev, PCI_D3hot, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	pci_enable_wake(pdev, PCI_D3cold, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
	e1000e_set_interrupt_capability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
	if (netif_running(netdev)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
		err = e1000_request_irq(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
		if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
			return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
	e1000e_power_up_phy(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
	/* report the system wakeup cause from S3/S4 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
		u16 phy_data;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
		e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
		if (phy_data) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
			e_info("PHY Wakeup cause - %s\n",
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
				phy_data & E1000_WUS_EX ? "Unicast Packet" :
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
				phy_data & E1000_WUS_MC ? "Multicast Packet" :
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
				phy_data & E1000_WUS_BC ? "Broadcast Packet" :
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
				phy_data & E1000_WUS_MAG ? "Magic Packet" :
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
				phy_data & E1000_WUS_LNKC ? "Link Status "
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
				" Change" : "other");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
		e1e_wphy(&adapter->hw, BM_WUS, ~0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
		u32 wus = er32(WUS);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
		if (wus) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
			e_info("MAC Wakeup cause - %s\n",
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
				wus & E1000_WUS_EX ? "Unicast Packet" :
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
				wus & E1000_WUS_MC ? "Multicast Packet" :
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
				wus & E1000_WUS_BC ? "Broadcast Packet" :
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
				wus & E1000_WUS_MAG ? "Magic Packet" :
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
				wus & E1000_WUS_LNKC ? "Link Status Change" :
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
				"other");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
		ew32(WUS, ~0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
	e1000e_reset(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
	e1000_init_manageability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
	if (netif_running(netdev))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
		e1000e_up(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
	netif_device_attach(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
	 * If the controller has AMT, do not set DRV_LOAD until the interface
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
	 * is up.  For all other cases, let the f/w know that the h/w is now
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
	 * under the control of the driver.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
	if (!(adapter->flags & FLAG_HAS_AMT))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
		e1000_get_hw_control(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
#endif
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
static void e1000_shutdown(struct pci_dev *pdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
	bool wake = false;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
	struct net_device *netdev = pci_get_drvdata(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
	
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
	if (adapter->ecdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
	__e1000_shutdown(pdev, &wake);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
	if (system_state == SYSTEM_POWER_OFF)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
		e1000_complete_shutdown(pdev, false, wake);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
#ifdef CONFIG_NET_POLL_CONTROLLER
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
 * Polling 'interrupt' - used by things like netconsole to send skbs
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
 * without having to re-enable interrupts. It's not called while
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
 * the interrupt routine is executing.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
static void e1000_netpoll(struct net_device *netdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
	disable_irq(adapter->pdev->irq);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
	e1000_intr(adapter->pdev->irq, netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
	enable_irq(adapter->pdev->irq);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
#endif
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
 * e1000_io_error_detected - called when PCI error is detected
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
 * @pdev: Pointer to PCI device
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
 * @state: The current pci connection state
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
 * This function is called after a PCI bus error affecting
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
 * this device has been detected.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
						pci_channel_state_t state)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
	struct net_device *netdev = pci_get_drvdata(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
	netif_device_detach(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
	if (state == pci_channel_io_perm_failure)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
		return PCI_ERS_RESULT_DISCONNECT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
	if (netif_running(netdev))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
		e1000e_down(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
	pci_disable_device(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
	/* Request a slot slot reset. */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
	return PCI_ERS_RESULT_NEED_RESET;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
 * e1000_io_slot_reset - called after the pci bus has been reset.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
 * @pdev: Pointer to PCI device
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
 * Restart the card from scratch, as if from a cold-boot. Implementation
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
 * resembles the first-half of the e1000_resume routine.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
	struct net_device *netdev = pci_get_drvdata(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
	int err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
	pci_ers_result_t result;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	e1000e_disable_l1aspm(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
	err = pci_enable_device_mem(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
	if (err) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
		dev_err(&pdev->dev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
			"Cannot re-enable PCI device after reset.\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
		result = PCI_ERS_RESULT_DISCONNECT;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
		pci_set_master(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
		pci_restore_state(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
		pci_save_state(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
		pci_enable_wake(pdev, PCI_D3hot, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
		pci_enable_wake(pdev, PCI_D3cold, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
		e1000e_reset(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
		ew32(WUS, ~0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
		result = PCI_ERS_RESULT_RECOVERED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
	pci_cleanup_aer_uncorrect_error_status(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
	return result;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
 * e1000_io_resume - called when traffic can start flowing again.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
 * @pdev: Pointer to PCI device
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
 * This callback is called when the error recovery driver tells us that
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
 * its OK to resume normal operation. Implementation resembles the
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
 * second-half of the e1000_resume routine.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
static void e1000_io_resume(struct pci_dev *pdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
	struct net_device *netdev = pci_get_drvdata(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
	e1000_init_manageability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
	if (netif_running(netdev)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
		if (e1000e_up(adapter)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
			dev_err(&pdev->dev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
				"can't bring device back up after reset\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
			return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
	netif_device_attach(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
	 * If the controller has AMT, do not set DRV_LOAD until the interface
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
	 * is up.  For all other cases, let the f/w know that the h/w is now
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
	 * under the control of the driver.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
	if (!(adapter->flags & FLAG_HAS_AMT))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
		e1000_get_hw_control(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
static void e1000_print_device_info(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
	struct net_device *netdev = adapter->netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
	u32 pba_num;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
	/* print bus type/speed/width info */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
	e_info("(PCI Express:2.5GB/s:%s) %pM\n",
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
	       /* bus width */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
	       ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
	        "Width x1"),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
	       /* MAC address */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	       netdev->dev_addr);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
	e_info("Intel(R) PRO/%s Network Connection\n",
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
	       (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
	e1000e_read_pba_num(hw, &pba_num);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
	e_info("MAC: %d, PHY: %d, PBA No: %06x-%03x\n",
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
	       hw->mac.type, hw->phy.type, (pba_num >> 8), (pba_num & 0xff));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
static void e1000_eeprom_checks(struct e1000_adapter *adapter)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
	struct e1000_hw *hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
	int ret_val;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
	u16 buf = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
	if (hw->mac.type != e1000_82573)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
		return;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
	if (!ret_val && (!(le16_to_cpu(buf) & (1 << 0)))) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
		/* Deep Smart Power Down (DSPD) */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
		dev_warn(&adapter->pdev->dev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
			 "Warning: detected DSPD enabled in EEPROM\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
	ret_val = e1000_read_nvm(hw, NVM_INIT_3GIO_3, 1, &buf);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	if (!ret_val && (le16_to_cpu(buf) & (3 << 2))) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
		/* ASPM enable */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
		dev_warn(&adapter->pdev->dev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
			 "Warning: detected ASPM enabled in EEPROM\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
static const struct net_device_ops e1000e_netdev_ops = {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	.ndo_open		= e1000_open,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
	.ndo_stop		= e1000_close,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	.ndo_start_xmit		= e1000_xmit_frame,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	.ndo_get_stats		= e1000_get_stats,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	.ndo_set_multicast_list	= e1000_set_multi,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	.ndo_set_mac_address	= e1000_set_mac,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
	.ndo_change_mtu		= e1000_change_mtu,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
	.ndo_do_ioctl		= e1000_ioctl,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
	.ndo_tx_timeout		= e1000_tx_timeout,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
	.ndo_validate_addr	= eth_validate_addr,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
#ifdef CONFIG_NET_POLL_CONTROLLER
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
	.ndo_poll_controller	= e1000_netpoll,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
#endif
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
};
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
 * ec_poll - Ethercat poll Routine
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
 * @netdev: net device structure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
 * This function can never fail.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
void ec_poll(struct net_device *netdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
		e1000_watchdog((unsigned long) adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
		adapter->ec_watchdog_jiffies = jiffies;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
#ifdef CONFIG_PCI_MSI
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
	e1000_intr_msi(0,netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
#else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
	e1000_intr(0,netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
#endif
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
 * e1000_probe - Device Initialization Routine
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
 * @pdev: PCI device information struct
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
 * @ent: entry in e1000_pci_tbl
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
 * Returns 0 on success, negative on failure
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
 * e1000_probe initializes an adapter identified by a pci_dev structure.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
 * The OS initialization, configuring of the adapter private structure,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
 * and a hardware reset occur.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
static int __devinit e1000_probe(struct pci_dev *pdev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
				 const struct pci_device_id *ent)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
	struct net_device *netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
	struct e1000_adapter *adapter;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
	struct e1000_hw *hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
	resource_size_t mmio_start, mmio_len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
	resource_size_t flash_start, flash_len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
	static int cards_found;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
	int i, err, pci_using_dac;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
	u16 eeprom_data = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
	e1000e_disable_l1aspm(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
	err = pci_enable_device_mem(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
		return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
	pci_using_dac = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
	if (!err) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
		err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
		if (!err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
			pci_using_dac = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
		if (err) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
			err = pci_set_consistent_dma_mask(pdev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
							  DMA_BIT_MASK(32));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
			if (err) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
				dev_err(&pdev->dev, "No usable DMA "
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
					"configuration, aborting\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
				goto err_dma;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
			}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
	err = pci_request_selected_regions_exclusive(pdev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
	                                  pci_select_bars(pdev, IORESOURCE_MEM),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
	                                  e1000e_driver_name);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
		goto err_pci_reg;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
	/* AER (Advanced Error Reporting) hooks */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
	pci_enable_pcie_error_reporting(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
	pci_set_master(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
	/* PCI config space info */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
	err = pci_save_state(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
		goto err_alloc_etherdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
	err = -ENOMEM;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	if (!netdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
		goto err_alloc_etherdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
	SET_NETDEV_DEV(netdev, &pdev->dev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
	pci_set_drvdata(pdev, netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
	adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
	hw = &adapter->hw;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
	adapter->netdev = netdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
	adapter->pdev = pdev;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
	adapter->ei = ei;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
	adapter->pba = ei->pba;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
	adapter->flags = ei->flags;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
	adapter->flags2 = ei->flags2;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
	adapter->hw.adapter = adapter;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
	adapter->hw.mac.type = ei->mac;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
	adapter->max_hw_frame_size = ei->max_hw_frame_size;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
	adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
	mmio_start = pci_resource_start(pdev, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
	mmio_len = pci_resource_len(pdev, 0);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
	err = -EIO;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
	if (!adapter->hw.hw_addr)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
		goto err_ioremap;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
	if ((adapter->flags & FLAG_HAS_FLASH) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
	    (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
		flash_start = pci_resource_start(pdev, 1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
		flash_len = pci_resource_len(pdev, 1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
		if (!adapter->hw.flash_address)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
			goto err_flashmap;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
	/* construct the net_device struct */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
	netdev->netdev_ops		= &e1000e_netdev_ops;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
	e1000e_set_ethtool_ops(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
	netdev->watchdog_timeo		= 5 * HZ;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
	netdev->mem_start = mmio_start;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
	netdev->mem_end = mmio_start + mmio_len;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
	adapter->bd_number = cards_found++;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
	e1000e_check_options(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
	/* setup adapter struct */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
	err = e1000_sw_init(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
		goto err_sw_init;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
	err = -EIO;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
	err = ei->get_variants(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
	if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
		goto err_hw_init;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
	if ((adapter->flags & FLAG_IS_ICH) &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
	    (adapter->flags & FLAG_READ_ONLY_NVM))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
		e1000e_write_protect_nvm_ich8lan(&adapter->hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
	hw->mac.ops.get_bus_info(&adapter->hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
	adapter->hw.phy.autoneg_wait_to_complete = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
	/* Copper options */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
		adapter->hw.phy.mdix = AUTO_ALL_MODES;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
		adapter->hw.phy.disable_polarity_correction = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
		adapter->hw.phy.ms_type = e1000_ms_hw_default;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
	if (e1000_check_reset_block(&adapter->hw))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
		e_info("PHY reset is blocked due to SOL/IDER session.\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
	netdev->features = NETIF_F_SG |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
			   NETIF_F_HW_CSUM |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
			   NETIF_F_HW_VLAN_TX |
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
			   NETIF_F_HW_VLAN_RX;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
		netdev->features |= NETIF_F_HW_VLAN_FILTER;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
	netdev->features |= NETIF_F_TSO;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
	netdev->features |= NETIF_F_TSO6;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
	netdev->vlan_features |= NETIF_F_TSO;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
	netdev->vlan_features |= NETIF_F_TSO6;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
	netdev->vlan_features |= NETIF_F_HW_CSUM;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
	netdev->vlan_features |= NETIF_F_SG;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
	if (pci_using_dac)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
		netdev->features |= NETIF_F_HIGHDMA;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
	if (e1000e_enable_mng_pass_thru(&adapter->hw))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
		adapter->flags |= FLAG_MNG_PT_ENABLED;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
	 * before reading the NVM, reset the controller to
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
	 * put the device in a known good starting state
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
	adapter->hw.mac.ops.reset_hw(&adapter->hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
	 * systems with ASPM and others may see the checksum fail on the first
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
	 * attempt. Let's give it a few tries
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
	for (i = 0;; i++) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
		if (e1000_validate_nvm_checksum(&adapter->hw) >= 0)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
			break;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
		if (i == 2) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
			e_err("The NVM Checksum Is Not Valid\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
			err = -EIO;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
			goto err_eeprom;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
	e1000_eeprom_checks(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
	/* copy the MAC address out of the NVM */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
	if (e1000e_read_mac_addr(&adapter->hw))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
		e_err("NVM Read Error while reading MAC address\n");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
	memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
	if (!is_valid_ether_addr(netdev->perm_addr)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
		e_err("Invalid MAC Address: %pM\n", netdev->perm_addr);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
		err = -EIO;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
		goto err_eeprom;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
	init_timer(&adapter->watchdog_timer);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
	adapter->watchdog_timer.function = &e1000_watchdog;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
	adapter->watchdog_timer.data = (unsigned long) adapter;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
	init_timer(&adapter->phy_info_timer);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
	adapter->phy_info_timer.function = &e1000_update_phy_info;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
	adapter->phy_info_timer.data = (unsigned long) adapter;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
	INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
	/* Initialize link parameters. User can change them with ethtool */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
	adapter->hw.mac.autoneg = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
	adapter->fc_autoneg = 1;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
	adapter->hw.fc.requested_mode = e1000_fc_default;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
	adapter->hw.fc.current_mode = e1000_fc_default;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
	adapter->hw.phy.autoneg_advertised = 0x2f;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
	/* ring size defaults */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
	adapter->rx_ring->count = 256;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
	adapter->tx_ring->count = 256;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
	 * Initial Wake on LAN setting - If APM wake is enabled in
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
	 * the EEPROM, enable the ACPI Magic Packet filter
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
	if (adapter->flags & FLAG_APME_IN_WUC) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
		/* APME bit in EEPROM is mapped to WUC.APME */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
		eeprom_data = er32(WUC);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
		eeprom_apme_mask = E1000_WUC_APME;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
		if (eeprom_data & E1000_WUC_PHY_WAKE)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
			adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
	} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
		if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
		    (adapter->hw.bus.func == 1))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
			e1000_read_nvm(&adapter->hw,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
				NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
		else
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
			e1000_read_nvm(&adapter->hw,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
				NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
	/* fetch WoL from EEPROM */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
	if (eeprom_data & eeprom_apme_mask)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
		adapter->eeprom_wol |= E1000_WUFC_MAG;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
	 * now that we have the eeprom settings, apply the special cases
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
	 * where the eeprom may be wrong or the board simply won't support
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
	 * wake on lan on a particular port
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
	if (!(adapter->flags & FLAG_HAS_WOL))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
		adapter->eeprom_wol = 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
	/* initialize the wol settings based on the eeprom settings */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
	adapter->wol = adapter->eeprom_wol;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
	/* save off EEPROM version number */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
	/* reset the hardware with the new settings */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
	e1000e_reset(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
	 * If the controller has AMT, do not set DRV_LOAD until the interface
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
	 * is up.  For all other cases, let the f/w know that the h/w is now
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
	 * under the control of the driver.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
	if (!(adapter->flags & FLAG_HAS_AMT))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
		e1000_get_hw_control(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
	adapter->ecdev = ecdev_offer(netdev,ec_poll,THIS_MODULE);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
	if (adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
		if (ecdev_open(adapter->ecdev)) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
			ecdev_withdraw(adapter->ecdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
			goto err_register;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
		}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
		strcpy(netdev->name, "eth%d");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
		err = register_netdev(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
		if (err)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
			goto err_register;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
		/* carrier off reporting is important to ethtool even BEFORE open */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
		netif_carrier_off(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
	e1000_print_device_info(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
	return 0;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
err_register:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
	if (!(adapter->flags & FLAG_HAS_AMT))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
		e1000_release_hw_control(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
err_eeprom:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
	if (!e1000_check_reset_block(&adapter->hw))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
		e1000_phy_hw_reset(&adapter->hw);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
err_hw_init:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
	kfree(adapter->tx_ring);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
	kfree(adapter->rx_ring);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
err_sw_init:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
	if (adapter->hw.flash_address)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
		iounmap(adapter->hw.flash_address);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
	e1000e_reset_interrupt_capability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
err_flashmap:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
	iounmap(adapter->hw.hw_addr);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
err_ioremap:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
	free_netdev(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
err_alloc_etherdev:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
	pci_release_selected_regions(pdev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
	                             pci_select_bars(pdev, IORESOURCE_MEM));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
err_pci_reg:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
err_dma:
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
	pci_disable_device(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
	return err;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
 * e1000_remove - Device Removal Routine
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
 * @pdev: PCI device information struct
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
 * e1000_remove is called by the PCI subsystem to alert the driver
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
 * that it should release a PCI device.  The could be caused by a
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
 * Hot-Plug event, or because the driver is going to be removed from
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
 * memory.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
static void __devexit e1000_remove(struct pci_dev *pdev)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
	struct net_device *netdev = pci_get_drvdata(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
	struct e1000_adapter *adapter = netdev_priv(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
	 * flush_scheduled work may reschedule our watchdog task, so
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
	 * explicitly disable watchdog tasks from being rescheduled
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
	set_bit(__E1000_DOWN, &adapter->state);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
	del_timer_sync(&adapter->watchdog_timer);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
	del_timer_sync(&adapter->phy_info_timer);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
	cancel_work_sync(&adapter->reset_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
	cancel_work_sync(&adapter->watchdog_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
	cancel_work_sync(&adapter->downshift_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
	cancel_work_sync(&adapter->update_phy_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
	cancel_work_sync(&adapter->print_hang_task);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
	flush_scheduled_work();
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
	if (!(netdev->flags & IFF_UP))
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
		e1000_power_down_phy(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
	if (adapter->ecdev) {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
		ecdev_close(adapter->ecdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
		ecdev_withdraw(adapter->ecdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
	} else {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
		unregister_netdev(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
	}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
	/*
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
	 * would have already happened in close and is redundant.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
	 */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
	e1000_release_hw_control(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
	e1000e_reset_interrupt_capability(adapter);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
	kfree(adapter->tx_ring);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
	kfree(adapter->rx_ring);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
	iounmap(adapter->hw.hw_addr);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
	if (adapter->hw.flash_address)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
		iounmap(adapter->hw.flash_address);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
	pci_release_selected_regions(pdev,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
	                             pci_select_bars(pdev, IORESOURCE_MEM));
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
	free_netdev(netdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
	/* AER disable */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
	pci_disable_pcie_error_reporting(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
	pci_disable_device(pdev);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
/* PCI Error Recovery (ERS) */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
static struct pci_error_handlers e1000_err_handler = {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
	.error_detected = e1000_io_error_detected,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
	.slot_reset = e1000_io_slot_reset,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
	.resume = e1000_io_resume,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
};
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
static struct pci_device_id e1000_pci_tbl[] = {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP), board_82571 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
	  board_80003es2lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
	  board_80003es2lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_DPT),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
	  board_80003es2lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
	  board_80003es2lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_AMT), board_ich8lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LM), board_ich9lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
	{ }	/* terminate list */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
};
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
//MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
/* PCI Device API Driver */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
static struct pci_driver e1000_driver = {
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
	.name     = e1000e_driver_name,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
	.id_table = e1000_pci_tbl,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
	.probe    = e1000_probe,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
	.remove   = __devexit_p(e1000_remove),
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
#ifdef CONFIG_PM
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
	/* Power Management Hooks */
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
	.suspend  = e1000_suspend,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
	.resume   = e1000_resume,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
#endif
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
	.shutdown = e1000_shutdown,
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
	.err_handler = &e1000_err_handler
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
};
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
 * e1000_init_module - Driver Registration Routine
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
 * e1000_init_module is the first routine called when the driver is
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
 * loaded. All it does is register with the PCI subsystem.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
static int __init e1000_init_module(void)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
	int ret;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
	printk(KERN_INFO "%s: Ethercat-capable Intel(R) PRO/1000 Network Driver - %s\n",
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
	       e1000e_driver_name, e1000e_driver_version);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
	printk(KERN_INFO "%s: Copyright (c) 1999 - 2009 Intel Corporation.\n",
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
	       e1000e_driver_name);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
	ret = pci_register_driver(&e1000_driver);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
	return ret;
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
module_init(e1000_init_module);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
/**
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
 * e1000_exit_module - Driver Exit Cleanup Routine
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
 *
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
 * e1000_exit_module is called just before the driver is removed
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
 * from memory.
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
 **/
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
static void __exit e1000_exit_module(void)
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
{
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
	pci_unregister_driver(&e1000_driver);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
}
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
module_exit(e1000_exit_module);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
MODULE_DESCRIPTION("Ethercat-capable Intel(R) PRO/1000 Network Driver");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
MODULE_LICENSE("GPL");
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
MODULE_VERSION(DRV_VERSION);
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
eb87b65d995b Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
/* e1000_main.c */