devices/e1000e/netdev-2.6.34-ethercat.c
author Florian Pose <fp@igh-essen.com>
Mon, 09 Jan 2012 17:42:12 +0100
branchstable-1.5
changeset 2234 18f9c69d9590
parent 2216 37c77787ea29
child 2421 bc2d4bf9cbe5
child 2589 2b9c78543663
permissions -rw-r--r--
Avoided unused variable warnings.
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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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*******************************************************************************/
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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 <linux/slab.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 "e1000-2.6.34-ethercat.h"
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#define DRV_VERSION "1.0.2-k2(ethercat)"
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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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   120
		/* let the stack verify checksum errors */
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		adapter->hw_csum_err++;
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   122
		return;
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   123
	}
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   124
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   125
	/* TCP/UDP Checksum has not been calculated */
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   126
	if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
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   127
		return;
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parents:
diff changeset
   128
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   129
	/* It must be a TCP or UDP packet with a valid checksum */
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   130
	if (status & E1000_RXD_STAT_TCPCS) {
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   131
		/* TCP checksum is good */
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   132
		skb->ip_summed = CHECKSUM_UNNECESSARY;
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diff changeset
   133
	} else {
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   134
		/*
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   135
		 * IP fragment with UDP payload
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   136
		 * Hardware complements the payload checksum, so we undo it
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   137
		 * and then put the value in host order for further stack use.
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   138
		 */
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   139
		__sum16 sum = (__force __sum16)htons(csum);
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   140
		skb->csum = csum_unfold(~sum);
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   141
		skb->ip_summed = CHECKSUM_COMPLETE;
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   142
	}
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   143
	adapter->hw_csum_good++;
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   144
}
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   145
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   146
/**
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   147
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
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   148
 * @adapter: address of board private structure
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   149
 **/
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   150
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
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   151
				   int cleaned_count)
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{
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	struct net_device *netdev = adapter->netdev;
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   154
	struct pci_dev *pdev = adapter->pdev;
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   155
	struct e1000_ring *rx_ring = adapter->rx_ring;
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   156
	struct e1000_rx_desc *rx_desc;
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   157
	struct e1000_buffer *buffer_info;
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   158
	struct sk_buff *skb;
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   159
	unsigned int i;
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   160
	unsigned int bufsz = adapter->rx_buffer_len;
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   161
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   162
	i = rx_ring->next_to_use;
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parents:
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   163
	buffer_info = &rx_ring->buffer_info[i];
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parents:
diff changeset
   164
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   165
	while (cleaned_count--) {
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   166
		skb = buffer_info->skb;
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parents:
diff changeset
   167
		if (skb) {
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   168
			skb_trim(skb, 0);
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parents:
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   169
			goto map_skb;
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diff changeset
   170
		}
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parents:
diff changeset
   171
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   172
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
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parents:
diff changeset
   173
		if (!skb) {
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parents:
diff changeset
   174
			/* Better luck next round */
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   175
			adapter->alloc_rx_buff_failed++;
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parents:
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   176
			break;
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parents:
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   177
		}
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parents:
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   178
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   179
		buffer_info->skb = skb;
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   180
map_skb:
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   181
		buffer_info->dma = pci_map_single(pdev, skb->data,
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   182
						  adapter->rx_buffer_len,
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parents:
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   183
						  PCI_DMA_FROMDEVICE);
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   184
		if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   185
			dev_err(&pdev->dev, "RX DMA map failed\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   186
			adapter->rx_dma_failed++;
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parents:
diff changeset
   187
			break;
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parents:
diff changeset
   188
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   189
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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   190
		rx_desc = E1000_RX_DESC(*rx_ring, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   191
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   192
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
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   193
		i++;
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parents:
diff changeset
   194
		if (i == rx_ring->count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   195
			i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
		buffer_info = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   197
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   198
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
	if (rx_ring->next_to_use != i) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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diff changeset
   200
		rx_ring->next_to_use = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
		if (i-- == 0)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   202
			i = (rx_ring->count - 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   203
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   205
		 * Force memory writes to complete before letting h/w
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
		 * know there are new descriptors to fetch.  (Only
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
		 * applicable for weak-ordered memory model archs,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
		 * such as IA-64).
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
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   210
		wmb();
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parents:
diff changeset
   211
		writel(i, adapter->hw.hw_addr + rx_ring->tail);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   212
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   213
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   214
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   217
 * @adapter: address of board private structure
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parents:
diff changeset
   218
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   220
				      int cleaned_count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   222
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   223
	struct pci_dev *pdev = adapter->pdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
	union e1000_rx_desc_packet_split *rx_desc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
	struct e1000_ring *rx_ring = adapter->rx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   226
	struct e1000_buffer *buffer_info;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
	struct e1000_ps_page *ps_page;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
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parents:
diff changeset
   228
	struct sk_buff *skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
	unsigned int i, j;
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parents:
diff changeset
   230
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
	i = rx_ring->next_to_use;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
	buffer_info = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
	while (cleaned_count--) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
			ps_page = &buffer_info->ps_pages[j];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
			if (j >= adapter->rx_ps_pages) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
				/* all unused desc entries get hw null ptr */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
				rx_desc->read.buffer_addr[j+1] = ~cpu_to_le64(0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
				continue;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
			if (!ps_page->page) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
				ps_page->page = alloc_page(GFP_ATOMIC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
				if (!ps_page->page) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
					adapter->alloc_rx_buff_failed++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
					goto no_buffers;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
				}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
				ps_page->dma = pci_map_page(pdev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
						   ps_page->page,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
						   0, PAGE_SIZE,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
						   PCI_DMA_FROMDEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
				if (pci_dma_mapping_error(pdev, ps_page->dma)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
					dev_err(&adapter->pdev->dev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
					  "RX DMA page map failed\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
					adapter->rx_dma_failed++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
					goto no_buffers;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
				}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
			/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
			 * Refresh the desc even if buffer_addrs
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
			 * didn't change because each write-back
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
			 * erases this info.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
			 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
			rx_desc->read.buffer_addr[j+1] =
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
			     cpu_to_le64(ps_page->dma);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
		skb = netdev_alloc_skb_ip_align(netdev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
						adapter->rx_ps_bsize0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
		if (!skb) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
			adapter->alloc_rx_buff_failed++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
		buffer_info->skb = skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
		buffer_info->dma = pci_map_single(pdev, skb->data,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
						  adapter->rx_ps_bsize0,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
						  PCI_DMA_FROMDEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
		if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
			dev_err(&pdev->dev, "RX DMA map failed\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
			adapter->rx_dma_failed++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
			/* cleanup skb */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
			dev_kfree_skb_any(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
			buffer_info->skb = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
		i++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
		if (i == rx_ring->count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
			i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
		buffer_info = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
no_buffers:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
	if (rx_ring->next_to_use != i) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
		rx_ring->next_to_use = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
		if (!(i--))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
			i = (rx_ring->count - 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
		 * Force memory writes to complete before letting h/w
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
		 * know there are new descriptors to fetch.  (Only
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
		 * applicable for weak-ordered memory model archs,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
		 * such as IA-64).
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
		wmb();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
		 * Hardware increments by 16 bytes, but packet split
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
		 * descriptors are 32 bytes...so we increment tail
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
		 * twice as much.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
		writel(i<<1, adapter->hw.hw_addr + rx_ring->tail);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
 * @adapter: address of board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
 * @cleaned_count: number of buffers to allocate this pass
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
                                         int cleaned_count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
	struct pci_dev *pdev = adapter->pdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
	struct e1000_rx_desc *rx_desc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
	struct e1000_ring *rx_ring = adapter->rx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
	struct e1000_buffer *buffer_info;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
	struct sk_buff *skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	unsigned int i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
	unsigned int bufsz = 256 - 16 /* for skb_reserve */;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
	i = rx_ring->next_to_use;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
	buffer_info = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
	while (cleaned_count--) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		skb = buffer_info->skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
		if (skb) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
			skb_trim(skb, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
			goto check_page;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
		if (unlikely(!skb)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
			/* Better luck next round */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
			adapter->alloc_rx_buff_failed++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
		buffer_info->skb = skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
check_page:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
		/* allocate a new page if necessary */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
		if (!buffer_info->page) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
			buffer_info->page = alloc_page(GFP_ATOMIC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
			if (unlikely(!buffer_info->page)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
				adapter->alloc_rx_buff_failed++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
				break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
		if (!buffer_info->dma)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
			buffer_info->dma = pci_map_page(pdev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
			                                buffer_info->page, 0,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
			                                PAGE_SIZE,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
			                                PCI_DMA_FROMDEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
		rx_desc = E1000_RX_DESC(*rx_ring, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
		if (unlikely(++i == rx_ring->count))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
			i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
		buffer_info = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
	if (likely(rx_ring->next_to_use != i)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
		rx_ring->next_to_use = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
		if (unlikely(i-- == 0))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
			i = (rx_ring->count - 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
		/* Force memory writes to complete before letting h/w
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
		 * know there are new descriptors to fetch.  (Only
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
		 * applicable for weak-ordered memory model archs,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
		 * such as IA-64). */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
		wmb();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
		writel(i, adapter->hw.hw_addr + rx_ring->tail);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
 * the return value indicates whether actual cleaning was done, there
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
 * is no guarantee that everything was cleaned
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
			       int *work_done, int work_to_do)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	struct pci_dev *pdev = adapter->pdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
	struct e1000_ring *rx_ring = adapter->rx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	struct e1000_rx_desc *rx_desc, *next_rxd;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	struct e1000_buffer *buffer_info, *next_buffer;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	u32 length;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	unsigned int i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	int cleaned_count = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	bool cleaned = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	i = rx_ring->next_to_clean;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	rx_desc = E1000_RX_DESC(*rx_ring, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
	buffer_info = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
	while (rx_desc->status & E1000_RXD_STAT_DD) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
		struct sk_buff *skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
		u8 status;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
		if (*work_done >= work_to_do)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
		(*work_done)++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
		status = rx_desc->status;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
		skb = buffer_info->skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
		if (!adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
			buffer_info->skb = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
		prefetch(skb->data - NET_IP_ALIGN);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
		i++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
		if (i == rx_ring->count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
			i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
		next_rxd = E1000_RX_DESC(*rx_ring, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
		prefetch(next_rxd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
		next_buffer = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
		cleaned = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
		cleaned_count++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
		pci_unmap_single(pdev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
				 buffer_info->dma,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
				 adapter->rx_buffer_len,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
				 PCI_DMA_FROMDEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
		buffer_info->dma = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
		length = le16_to_cpu(rx_desc->length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
		 * !EOP means multiple descriptors were used to store a single
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
		 * packet, if that's the case we need to toss it.  In fact, we
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
		 * need to toss every packet with the EOP bit clear and the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
		 * next frame that _does_ have the EOP bit set, as it is by
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
		 * definition only a frame fragment
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
			adapter->flags2 |= FLAG2_IS_DISCARDING;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
			/* All receives must fit into a single buffer */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
			e_dbg("Receive packet consumed multiple buffers\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
			/* recycle */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
			buffer_info->skb = skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
			if (status & E1000_RXD_STAT_EOP)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
			goto next_desc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
		if (!adapter->ecdev && (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
			/* recycle */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
			buffer_info->skb = skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
			goto next_desc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
		/* adjust length to remove Ethernet CRC */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
			length -= 4;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
		total_rx_bytes += length;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
		total_rx_packets++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
		 * code added for copybreak, this should improve
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
		 * performance for small packets with large amounts
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		 * of reassembly being done in the stack
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		if (!adapter->ecdev && length < copybreak) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
			struct sk_buff *new_skb =
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
			    netdev_alloc_skb_ip_align(netdev, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
			if (new_skb) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
				skb_copy_to_linear_data_offset(new_skb,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
							       -NET_IP_ALIGN,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
							       (skb->data -
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
								NET_IP_ALIGN),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
							       (length +
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
								NET_IP_ALIGN));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
				/* save the skb in buffer_info as good */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
				buffer_info->skb = skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
				skb = new_skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
			/* else just continue with the old one */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
		/* end copybreak code */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		skb_put(skb, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
		/* Receive Checksum Offload */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
		e1000_rx_checksum(adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
				  (u32)(status) |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
				  ((u32)(rx_desc->errors) << 24),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
				  le16_to_cpu(rx_desc->csum), skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
		if (adapter->ecdev) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
			ecdev_receive(adapter->ecdev, skb->data, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
			adapter->ec_watchdog_jiffies = jiffies;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
		} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
			e1000_receive_skb(adapter, netdev, skb,status,rx_desc->special);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
next_desc:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		rx_desc->status = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
		/* return some buffers to hardware, one at a time is too slow */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
			adapter->alloc_rx_buf(adapter, cleaned_count);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
			cleaned_count = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
		/* use prefetched values */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
		rx_desc = next_rxd;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
		buffer_info = next_buffer;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	rx_ring->next_to_clean = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	cleaned_count = e1000_desc_unused(rx_ring);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
	if (cleaned_count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
		adapter->alloc_rx_buf(adapter, cleaned_count);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
	adapter->total_rx_bytes += total_rx_bytes;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	adapter->total_rx_packets += total_rx_packets;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	netdev->stats.rx_bytes += total_rx_bytes;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
	netdev->stats.rx_packets += total_rx_packets;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
	return cleaned;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
static void e1000_put_txbuf(struct e1000_adapter *adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
			     struct e1000_buffer *buffer_info)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
	if (adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
	if (buffer_info->dma) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
		if (buffer_info->mapped_as_page)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
			pci_unmap_page(adapter->pdev, buffer_info->dma,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
				       buffer_info->length, PCI_DMA_TODEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
		else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
			pci_unmap_single(adapter->pdev,	buffer_info->dma,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
					 buffer_info->length,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
					 PCI_DMA_TODEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
		buffer_info->dma = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	if (buffer_info->skb) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
		dev_kfree_skb_any(buffer_info->skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
		buffer_info->skb = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
	buffer_info->time_stamp = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
static void e1000_print_hw_hang(struct work_struct *work)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	struct e1000_adapter *adapter = container_of(work,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	                                             struct e1000_adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	                                             print_hang_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	unsigned int i = tx_ring->next_to_clean;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	u16 phy_status, phy_1000t_status, phy_ext_status;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	u16 pci_status;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	e1e_rphy(hw, PHY_STATUS, &phy_status);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	/* detected Hardware unit hang */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	e_err("Detected Hardware Unit Hang:\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	      "  TDH                  <%x>\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	      "  TDT                  <%x>\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	      "  next_to_use          <%x>\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	      "  next_to_clean        <%x>\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	      "buffer_info[next_to_clean]:\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	      "  time_stamp           <%lx>\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	      "  next_to_watch        <%x>\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	      "  jiffies              <%lx>\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	      "  next_to_watch.status <%x>\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	      "MAC Status             <%x>\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	      "PHY Status             <%x>\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	      "PHY 1000BASE-T Status  <%x>\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	      "PHY Extended Status    <%x>\n"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	      "PCI Status             <%x>\n",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	      readl(adapter->hw.hw_addr + tx_ring->head),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	      readl(adapter->hw.hw_addr + tx_ring->tail),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
	      tx_ring->next_to_use,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
	      tx_ring->next_to_clean,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	      tx_ring->buffer_info[eop].time_stamp,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	      eop,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	      jiffies,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	      eop_desc->upper.fields.status,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	      er32(STATUS),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	      phy_status,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	      phy_1000t_status,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	      phy_ext_status,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
	      pci_status);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
 * the return value indicates whether actual cleaning was done, there
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
 * is no guarantee that everything was cleaned
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	struct e1000_tx_desc *tx_desc, *eop_desc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
	struct e1000_buffer *buffer_info;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
	unsigned int i, eop;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
	unsigned int count = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
	unsigned int total_tx_bytes = 0, total_tx_packets = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
	i = tx_ring->next_to_clean;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
	eop = tx_ring->buffer_info[i].next_to_watch;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
	       (count < tx_ring->count)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
		bool cleaned = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
		for (; !cleaned; count++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
			tx_desc = E1000_TX_DESC(*tx_ring, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
			buffer_info = &tx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
			cleaned = (i == eop);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
			if (cleaned) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
				struct sk_buff *skb = buffer_info->skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
				unsigned int segs, bytecount;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
				segs = skb_shinfo(skb)->gso_segs ?: 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
				/* multiply data chunks by size of headers */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
				bytecount = ((segs - 1) * skb_headlen(skb)) +
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
					    skb->len;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
				total_tx_packets += segs;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
				total_tx_bytes += bytecount;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
			e1000_put_txbuf(adapter, buffer_info);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
			tx_desc->upper.data = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
			i++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
			if (i == tx_ring->count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
				i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
		if (i == tx_ring->next_to_use)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		eop = tx_ring->buffer_info[i].next_to_watch;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	tx_ring->next_to_clean = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
#define TX_WAKE_THRESHOLD 32
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	if (!adapter->ecdev && count && netif_carrier_ok(netdev) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	    e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
		/* Make sure that anybody stopping the queue after this
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
		 * sees the new next_to_clean.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		smp_mb();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		if (netif_queue_stopped(netdev) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
		    !(test_bit(__E1000_DOWN, &adapter->state))) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
			netif_wake_queue(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
			++adapter->restart_queue;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	if (!adapter->ecdev && adapter->detect_tx_hung) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
		 * Detect a transmit hang in hardware, this serializes the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		 * check with the clearing of time_stamp and movement of i
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		adapter->detect_tx_hung = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		if (tx_ring->buffer_info[i].time_stamp &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
			       + (adapter->tx_timeout_factor * HZ)) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
			schedule_work(&adapter->print_hang_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
			netif_stop_queue(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
	adapter->total_tx_bytes += total_tx_bytes;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
	adapter->total_tx_packets += total_tx_packets;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
	netdev->stats.tx_bytes += total_tx_bytes;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
	netdev->stats.tx_packets += total_tx_packets;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
	return (count < tx_ring->count);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
 * the return value indicates whether actual cleaning was done, there
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
 * is no guarantee that everything was cleaned
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
				  int *work_done, int work_to_do)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	struct pci_dev *pdev = adapter->pdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	struct e1000_ring *rx_ring = adapter->rx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	struct e1000_buffer *buffer_info, *next_buffer;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	struct e1000_ps_page *ps_page;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
	struct sk_buff *skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	unsigned int i, j;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
	u32 length, staterr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	int cleaned_count = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
	bool cleaned = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
	i = rx_ring->next_to_clean;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
	buffer_info = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
	while (staterr & E1000_RXD_STAT_DD) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
		if (*work_done >= work_to_do)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
		(*work_done)++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
		skb = buffer_info->skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
		/* in the packet split case this is header only */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
		prefetch(skb->data - NET_IP_ALIGN);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
		i++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
		if (i == rx_ring->count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
			i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
		prefetch(next_rxd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
		next_buffer = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
		cleaned = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
		cleaned_count++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
		pci_unmap_single(pdev, buffer_info->dma,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
				 adapter->rx_ps_bsize0,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
				 PCI_DMA_FROMDEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
		buffer_info->dma = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
		/* see !EOP comment in other rx routine */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
		if (!(staterr & E1000_RXD_STAT_EOP))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
			adapter->flags2 |= FLAG2_IS_DISCARDING;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
			e_dbg("Packet Split buffers didn't pick up the full "
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
			      "packet\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
			if (!adapter->ecdev) dev_kfree_skb_irq(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
			if (staterr & E1000_RXD_STAT_EOP)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
			goto next_desc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
		if (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
			if (!adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
				dev_kfree_skb_irq(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
			goto next_desc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
		length = le16_to_cpu(rx_desc->wb.middle.length0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
		if (!length) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
			e_dbg("Last part of the packet spanning multiple "
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
			      "descriptors\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
			if (!adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
				dev_kfree_skb_irq(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
			goto next_desc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
		/* Good Receive */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
		skb_put(skb, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
		{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
		 * this looks ugly, but it seems compiler issues make it
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
		 * more efficient than reusing j
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
		 * page alloc/put takes too long and effects small packet
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
		 * throughput, so unsplit small packets and save the alloc/put
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		 * only valid in softirq (napi) context to call kmap_*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
		if (l1 && (l1 <= copybreak) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
		    ((length + l1) <= adapter->rx_ps_bsize0)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
			u8 *vaddr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
			ps_page = &buffer_info->ps_pages[0];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
			/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
			 * there is no documentation about how to call
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
			 * kmap_atomic, so we can't hold the mapping
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
			 * very long
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
			 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
			pci_dma_sync_single_for_cpu(pdev, ps_page->dma,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
			vaddr = kmap_atomic(ps_page->page, KM_SKB_DATA_SOFTIRQ);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
			memcpy(skb_tail_pointer(skb), vaddr, l1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
			pci_dma_sync_single_for_device(pdev, ps_page->dma,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
			/* remove the CRC */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
			if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
				l1 -= 4;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
			skb_put(skb, l1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
			goto copydone;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
		} /* if */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
			length = le16_to_cpu(rx_desc->wb.upper.length[j]);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
			if (!length)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
				break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
			ps_page = &buffer_info->ps_pages[j];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
			pci_unmap_page(pdev, ps_page->dma, PAGE_SIZE,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
				       PCI_DMA_FROMDEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
			ps_page->dma = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
			skb_fill_page_desc(skb, j, ps_page->page, 0, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
			ps_page->page = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
			skb->len += length;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
			skb->data_len += length;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
			skb->truesize += length;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
		/* strip the ethernet crc, problem is we're using pages now so
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
		 * this whole operation can get a little cpu intensive
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
			pskb_trim(skb, skb->len - 4);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
copydone:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
		total_rx_bytes += skb->len;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
		total_rx_packets++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
		e1000_rx_checksum(adapter, staterr, le16_to_cpu(
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
			rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		if (rx_desc->wb.upper.header_status &
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
			adapter->rx_hdr_split++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		if (adapter->ecdev) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
			ecdev_receive(adapter->ecdev, skb->data, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
			adapter->ec_watchdog_jiffies = jiffies;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
			e1000_receive_skb(adapter, netdev, skb,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
					  staterr, rx_desc->wb.middle.vlan);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
next_desc:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
		if (!adapter->ecdev) buffer_info->skb = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
		/* return some buffers to hardware, one at a time is too slow */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
			adapter->alloc_rx_buf(adapter, cleaned_count);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
			cleaned_count = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		/* use prefetched values */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
		rx_desc = next_rxd;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
		buffer_info = next_buffer;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	rx_ring->next_to_clean = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	cleaned_count = e1000_desc_unused(rx_ring);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	if (cleaned_count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
		adapter->alloc_rx_buf(adapter, cleaned_count);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	adapter->total_rx_bytes += total_rx_bytes;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	adapter->total_rx_packets += total_rx_packets;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
	netdev->stats.rx_bytes += total_rx_bytes;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	netdev->stats.rx_packets += total_rx_packets;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	return cleaned;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
 * e1000_consume_page - helper function
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
                               u16 length)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	bi->page = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	skb->len += length;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	skb->data_len += length;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	skb->truesize += length;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
 * the return value indicates whether actual cleaning was done, there
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
 * is no guarantee that everything was cleaned
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
                                     int *work_done, int work_to_do)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	struct pci_dev *pdev = adapter->pdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	struct e1000_ring *rx_ring = adapter->rx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	struct e1000_rx_desc *rx_desc, *next_rxd;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	struct e1000_buffer *buffer_info, *next_buffer;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	u32 length;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	unsigned int i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	int cleaned_count = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	bool cleaned = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	unsigned int total_rx_bytes=0, total_rx_packets=0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	i = rx_ring->next_to_clean;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	rx_desc = E1000_RX_DESC(*rx_ring, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	buffer_info = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	while (rx_desc->status & E1000_RXD_STAT_DD) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
		struct sk_buff *skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
		u8 status;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
		if (*work_done >= work_to_do)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
		(*work_done)++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
		status = rx_desc->status;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
		skb = buffer_info->skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
		if (!adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
			buffer_info->skb = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
		++i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
		if (i == rx_ring->count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
			i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
		next_rxd = E1000_RX_DESC(*rx_ring, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
		prefetch(next_rxd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
		next_buffer = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
		cleaned = true;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
		cleaned_count++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
		pci_unmap_page(pdev, buffer_info->dma, PAGE_SIZE,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
		               PCI_DMA_FROMDEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
		buffer_info->dma = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
		length = le16_to_cpu(rx_desc->length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
		/* errors is only valid for DD + EOP descriptors */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
		if (!adapter->ecdev && unlikely((status & E1000_RXD_STAT_EOP) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
				/* recycle both page and skb */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
				buffer_info->skb = skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
				/* an error means any chain goes out the window
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
				 * too */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
				if (rx_ring->rx_skb_top)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
					dev_kfree_skb(rx_ring->rx_skb_top);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
				rx_ring->rx_skb_top = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
				goto next_desc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
#define rxtop rx_ring->rx_skb_top
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
		if (!(status & E1000_RXD_STAT_EOP)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
			/* this descriptor is only the beginning (or middle) */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
			if (!rxtop) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
				/* this is the beginning of a chain */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
				rxtop = skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
				                   0, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
			} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
				/* this is the middle of a chain */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
				skb_fill_page_desc(rxtop,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
				    skb_shinfo(rxtop)->nr_frags,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
				    buffer_info->page, 0, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
				/* re-use the skb, only consumed the page */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
				buffer_info->skb = skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
			e1000_consume_page(buffer_info, rxtop, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
			goto next_desc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
		} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
			if (rxtop) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
				/* end of the chain */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
				skb_fill_page_desc(rxtop,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
				    skb_shinfo(rxtop)->nr_frags,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
				    buffer_info->page, 0, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
				/* re-use the current skb, we only consumed the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
				 * page */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
				buffer_info->skb = skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
				skb = rxtop;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
				rxtop = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
				e1000_consume_page(buffer_info, skb, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
			} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
				/* no chain, got EOP, this buf is the packet
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
				 * copybreak to save the put_page/alloc_page */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
				if (length <= copybreak &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
				    skb_tailroom(skb) >= length) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
					u8 *vaddr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
					vaddr = kmap_atomic(buffer_info->page,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
					                   KM_SKB_DATA_SOFTIRQ);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
					memcpy(skb_tail_pointer(skb), vaddr,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
					       length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
					kunmap_atomic(vaddr,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
					              KM_SKB_DATA_SOFTIRQ);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
					/* re-use the page, so don't erase
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
					 * buffer_info->page */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
					skb_put(skb, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
				} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
					skb_fill_page_desc(skb, 0,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
					                   buffer_info->page, 0,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
				                           length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
					e1000_consume_page(buffer_info, skb,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
					                   length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
				}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		e1000_rx_checksum(adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		                  (u32)(status) |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		                  ((u32)(rx_desc->errors) << 24),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		                  le16_to_cpu(rx_desc->csum), skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		/* probably a little skewed due to removing CRC */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		total_rx_bytes += skb->len;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
		total_rx_packets++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		/* eth type trans needs skb->data to point to something */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
		if (!adapter->ecdev && !pskb_may_pull(skb, ETH_HLEN)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
			e_err("pskb_may_pull failed.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
			dev_kfree_skb(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
			goto next_desc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
		if (adapter->ecdev) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
			ecdev_receive(adapter->ecdev, skb->data, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
			adapter->ec_watchdog_jiffies = jiffies;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
		} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
			e1000_receive_skb(adapter, netdev, skb, status,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
			                  rx_desc->special);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
next_desc:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
		rx_desc->status = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
		/* return some buffers to hardware, one at a time is too slow */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
			adapter->alloc_rx_buf(adapter, cleaned_count);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
			cleaned_count = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
		/* use prefetched values */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
		rx_desc = next_rxd;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
		buffer_info = next_buffer;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	rx_ring->next_to_clean = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	cleaned_count = e1000_desc_unused(rx_ring);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	if (cleaned_count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
		adapter->alloc_rx_buf(adapter, cleaned_count);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	adapter->total_rx_bytes += total_rx_bytes;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	adapter->total_rx_packets += total_rx_packets;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
	netdev->stats.rx_bytes += total_rx_bytes;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	netdev->stats.rx_packets += total_rx_packets;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	return cleaned;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
static void e1000_clean_rx_ring(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	struct e1000_ring *rx_ring = adapter->rx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	struct e1000_buffer *buffer_info;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	struct e1000_ps_page *ps_page;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	struct pci_dev *pdev = adapter->pdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	unsigned int i, j;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	/* Free all the Rx ring sk_buffs */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	for (i = 0; i < rx_ring->count; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
		buffer_info = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
		if (buffer_info->dma) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
			if (adapter->clean_rx == e1000_clean_rx_irq)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
				pci_unmap_single(pdev, buffer_info->dma,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
						 adapter->rx_buffer_len,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
						 PCI_DMA_FROMDEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
			else if (adapter->clean_rx == e1000_clean_jumbo_rx_irq)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
				pci_unmap_page(pdev, buffer_info->dma,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
				               PAGE_SIZE,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
				               PCI_DMA_FROMDEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
			else if (adapter->clean_rx == e1000_clean_rx_irq_ps)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
				pci_unmap_single(pdev, buffer_info->dma,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
						 adapter->rx_ps_bsize0,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
						 PCI_DMA_FROMDEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
			buffer_info->dma = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
		if (buffer_info->page) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
			put_page(buffer_info->page);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
			buffer_info->page = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		if (buffer_info->skb) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
			dev_kfree_skb(buffer_info->skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
			buffer_info->skb = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
			ps_page = &buffer_info->ps_pages[j];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
			if (!ps_page->page)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
				break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
			pci_unmap_page(pdev, ps_page->dma, PAGE_SIZE,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
				       PCI_DMA_FROMDEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
			ps_page->dma = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
			put_page(ps_page->page);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
			ps_page->page = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
	/* there also may be some cached data from a chained receive */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
	if (rx_ring->rx_skb_top) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		dev_kfree_skb(rx_ring->rx_skb_top);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
		rx_ring->rx_skb_top = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
	/* Zero out the descriptor ring */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
	memset(rx_ring->desc, 0, rx_ring->size);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
	rx_ring->next_to_clean = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
	rx_ring->next_to_use = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	writel(0, adapter->hw.hw_addr + rx_ring->head);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	writel(0, adapter->hw.hw_addr + rx_ring->tail);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
static void e1000e_downshift_workaround(struct work_struct *work)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
	struct e1000_adapter *adapter = container_of(work,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
					struct e1000_adapter, downshift_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
 * e1000_intr_msi - Interrupt Handler
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
 * @irq: interrupt number
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
 * @data: pointer to a network interface device structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
static irqreturn_t e1000_intr_msi(int irq, void *data)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
	struct net_device *netdev = data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
	u32 icr = er32(ICR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
 	if (adapter->ecdev) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
 		int ec_work_done = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
 		adapter->clean_rx(adapter, &ec_work_done, 100);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
 		e1000_clean_tx_irq(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
		return IRQ_HANDLED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
	 * read ICR disables interrupts using IAM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	if (icr & E1000_ICR_LSC) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
		hw->mac.get_link_status = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
		 * ICH8 workaround-- Call gig speed drop workaround on cable
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
		 * disconnect (LSC) before accessing any PHY registers
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
		    (!(er32(STATUS) & E1000_STATUS_LU)))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
			schedule_work(&adapter->downshift_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
		 * 80003ES2LAN workaround-- For packet buffer work-around on
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
		 * link down event; disable receives here in the ISR and reset
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
		 * adapter in watchdog
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		if (netif_carrier_ok(netdev) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
		    adapter->flags & FLAG_RX_NEEDS_RESTART) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
			/* disable receives */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
			u32 rctl = er32(RCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
			adapter->flags |= FLAG_RX_RESTART_NOW;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		/* guard against interrupt when we're going down */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
		if (!test_bit(__E1000_DOWN, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
	if (napi_schedule_prep(&adapter->napi)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
		adapter->total_tx_bytes = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
		adapter->total_tx_packets = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
		adapter->total_rx_bytes = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
		adapter->total_rx_packets = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
		__napi_schedule(&adapter->napi);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
	return IRQ_HANDLED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
 * e1000_intr - Interrupt Handler
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
 * @irq: interrupt number
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
 * @data: pointer to a network interface device structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
static irqreturn_t e1000_intr(int irq, void *data)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	struct net_device *netdev = data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	u32 rctl, icr = er32(ICR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	if (!icr || test_bit(__E1000_DOWN, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
		return IRQ_NONE;  /* Not our interrupt */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	 * IMS will not auto-mask if INT_ASSERTED is not set, and if it is
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	 * not set, then the adapter didn't send an interrupt
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	if (!adapter->ecdev && !(icr & E1000_ICR_INT_ASSERTED))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
		return IRQ_NONE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	 * Interrupt Auto-Mask...upon reading ICR,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
	 * interrupts are masked.  No need for the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	 * IMC write
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
	if (!adapter->ecdev && (icr & E1000_ICR_LSC)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
		hw->mac.get_link_status = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
		 * ICH8 workaround-- Call gig speed drop workaround on cable
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
		 * disconnect (LSC) before accessing any PHY registers
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
		    (!(er32(STATUS) & E1000_STATUS_LU)))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
			schedule_work(&adapter->downshift_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
		 * 80003ES2LAN workaround--
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
		 * For packet buffer work-around on link down event;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
		 * disable receives here in the ISR and
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
		 * reset adapter in watchdog
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
		if (netif_carrier_ok(netdev) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
		    (adapter->flags & FLAG_RX_NEEDS_RESTART)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
			/* disable receives */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
			rctl = er32(RCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
			adapter->flags |= FLAG_RX_RESTART_NOW;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
		/* guard against interrupt when we're going down */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
		if (!test_bit(__E1000_DOWN, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
 	if (adapter->ecdev) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
 		int ec_work_done = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
 		adapter->clean_rx(adapter, &ec_work_done, 100);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
 		e1000_clean_tx_irq(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
		return IRQ_HANDLED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
	if (napi_schedule_prep(&adapter->napi)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
		adapter->total_tx_bytes = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
		adapter->total_tx_packets = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
		adapter->total_rx_bytes = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
		adapter->total_rx_packets = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
		__napi_schedule(&adapter->napi);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
	return IRQ_HANDLED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
static irqreturn_t e1000_msix_other(int irq, void *data)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
	struct net_device *netdev = data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
	u32 icr = er32(ICR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
	if (!(icr & E1000_ICR_INT_ASSERTED)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
		if (!test_bit(__E1000_DOWN, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
			ew32(IMS, E1000_IMS_OTHER);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
		return IRQ_NONE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
	if (icr & adapter->eiac_mask)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		ew32(ICS, (icr & adapter->eiac_mask));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	if (icr & E1000_ICR_OTHER) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
		if (!(icr & E1000_ICR_LSC))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
			goto no_link_interrupt;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
		hw->mac.get_link_status = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
		/* guard against interrupt when we're going down */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
no_link_interrupt:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
	if (!test_bit(__E1000_DOWN, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
		ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
	return IRQ_HANDLED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
	struct net_device *netdev = data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
	adapter->total_tx_bytes = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
	adapter->total_tx_packets = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	if (!e1000_clean_tx_irq(adapter))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
		/* Ring was not completely cleaned, so fire another interrupt */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
		ew32(ICS, tx_ring->ims_val);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
	return IRQ_HANDLED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
	struct net_device *netdev = data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	/* Write the ITR value calculated at the end of the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
	 * previous interrupt.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
	if (adapter->rx_ring->set_itr) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
		writel(1000000000 / (adapter->rx_ring->itr_val * 256),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
		       adapter->hw.hw_addr + adapter->rx_ring->itr_register);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
		adapter->rx_ring->set_itr = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
 	if (adapter->ecdev) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
 		int ec_work_done = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
 		adapter->clean_rx(adapter, &ec_work_done, 100);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
		if (napi_schedule_prep(&adapter->napi)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
			adapter->total_rx_bytes = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
			adapter->total_rx_packets = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
			__napi_schedule(&adapter->napi);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	return IRQ_HANDLED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
 * e1000_configure_msix - Configure MSI-X hardware
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
 * e1000_configure_msix sets up the hardware to properly
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
 * generate MSI-X interrupts.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
static void e1000_configure_msix(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
	struct e1000_ring *rx_ring = adapter->rx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	int vector = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	u32 ctrl_ext, ivar = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	adapter->eiac_mask = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	/* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
	if (hw->mac.type == e1000_82574) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
		u32 rfctl = er32(RFCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
		rfctl |= E1000_RFCTL_ACK_DIS;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
		ew32(RFCTL, rfctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
#define E1000_IVAR_INT_ALLOC_VALID	0x8
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	/* Configure Rx vector */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	rx_ring->ims_val = E1000_IMS_RXQ0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	adapter->eiac_mask |= rx_ring->ims_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	if (rx_ring->itr_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
		writel(1000000000 / (rx_ring->itr_val * 256),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
		       hw->hw_addr + rx_ring->itr_register);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
		writel(1, hw->hw_addr + rx_ring->itr_register);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
	ivar = E1000_IVAR_INT_ALLOC_VALID | vector;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	/* Configure Tx vector */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
	tx_ring->ims_val = E1000_IMS_TXQ0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
	vector++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	if (tx_ring->itr_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
		writel(1000000000 / (tx_ring->itr_val * 256),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
		       hw->hw_addr + tx_ring->itr_register);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
		writel(1, hw->hw_addr + tx_ring->itr_register);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
	adapter->eiac_mask |= tx_ring->ims_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
	/* set vector for Other Causes, e.g. link changes */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
	vector++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	if (rx_ring->itr_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
		writel(1000000000 / (rx_ring->itr_val * 256),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
		       hw->hw_addr + E1000_EITR_82574(vector));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
		writel(1, hw->hw_addr + E1000_EITR_82574(vector));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	/* Cause Tx interrupts on every write back */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	ivar |= (1 << 31);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	ew32(IVAR, ivar);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	/* enable MSI-X PBA support */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
	ctrl_ext = er32(CTRL_EXT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
	ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	/* Auto-Mask Other interrupts upon ICR read */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
#define E1000_EIAC_MASK_82574   0x01F00000
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
	ctrl_ext |= E1000_CTRL_EXT_EIAME;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	ew32(CTRL_EXT, ctrl_ext);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	if (adapter->msix_entries) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
		pci_disable_msix(adapter->pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
		kfree(adapter->msix_entries);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
		adapter->msix_entries = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
	} else if (adapter->flags & FLAG_MSI_ENABLED) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
		pci_disable_msi(adapter->pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
		adapter->flags &= ~FLAG_MSI_ENABLED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
	return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
 * e1000e_set_interrupt_capability - set MSI or MSI-X if supported
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
 * Attempt to configure interrupts using the best available
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
 * capabilities of the hardware and kernel.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	int err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	int numvecs, i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	switch (adapter->int_mode) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	case E1000E_INT_MODE_MSIX:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
		if (adapter->flags & FLAG_HAS_MSIX) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
			numvecs = 3; /* RxQ0, TxQ0 and other */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
			adapter->msix_entries = kcalloc(numvecs,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
						      sizeof(struct msix_entry),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
						      GFP_KERNEL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
			if (adapter->msix_entries) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
				for (i = 0; i < numvecs; i++)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
					adapter->msix_entries[i].entry = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
				err = pci_enable_msix(adapter->pdev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
						      adapter->msix_entries,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
						      numvecs);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
				if (err == 0)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
					return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
			/* MSI-X failed, so fall through and try MSI */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
			e_err("Failed to initialize MSI-X interrupts.  "
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
			      "Falling back to MSI interrupts.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
			e1000e_reset_interrupt_capability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
		adapter->int_mode = E1000E_INT_MODE_MSI;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		/* Fall through */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	case E1000E_INT_MODE_MSI:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		if (!pci_enable_msi(adapter->pdev)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
			adapter->flags |= FLAG_MSI_ENABLED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
		} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
			adapter->int_mode = E1000E_INT_MODE_LEGACY;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
			e_err("Failed to initialize MSI interrupts.  Falling "
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
			      "back to legacy interrupts.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
		/* Fall through */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
	case E1000E_INT_MODE_LEGACY:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
		/* Don't do anything; this is the system default */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
	return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
 * e1000_request_msix - Initialize MSI-X interrupts
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
 * e1000_request_msix allocates MSI-X vectors and requests interrupts from the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
 * kernel.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
static int e1000_request_msix(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
	int err = 0, vector = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
		sprintf(adapter->rx_ring->name, "%s-rx-0", netdev->name);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
	err = request_irq(adapter->msix_entries[vector].vector,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
			  e1000_intr_msix_rx, 0, adapter->rx_ring->name,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
			  netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		goto out;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
	adapter->rx_ring->itr_register = E1000_EITR_82574(vector);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
	adapter->rx_ring->itr_val = adapter->itr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	vector++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
	else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
	err = request_irq(adapter->msix_entries[vector].vector,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
			  e1000_intr_msix_tx, 0, adapter->tx_ring->name,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
			  netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		goto out;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
	adapter->tx_ring->itr_register = E1000_EITR_82574(vector);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
	adapter->tx_ring->itr_val = adapter->itr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
	vector++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	err = request_irq(adapter->msix_entries[vector].vector,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
			  e1000_msix_other, 0, netdev->name, netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
		goto out;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
	e1000_configure_msix(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
out:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
	return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
 * e1000_request_irq - initialize interrupts
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
 * Attempts to configure interrupts using the best available
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
 * capabilities of the hardware and kernel.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
static int e1000_request_irq(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
	int err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
	if (adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
		return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
	if (adapter->msix_entries) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
		err = e1000_request_msix(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
		if (!err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
			return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
		/* fall back to MSI */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
		e1000e_reset_interrupt_capability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		adapter->int_mode = E1000E_INT_MODE_MSI;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
		e1000e_set_interrupt_capability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
	if (adapter->flags & FLAG_MSI_ENABLED) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
		err = request_irq(adapter->pdev->irq, e1000_intr_msi, 0,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
				  netdev->name, netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
		if (!err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
			return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		/* fall back to legacy interrupt */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
		e1000e_reset_interrupt_capability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	err = request_irq(adapter->pdev->irq, e1000_intr, IRQF_SHARED,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
			  netdev->name, netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
		e_err("Unable to allocate interrupt, Error: %d\n", err);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
static void e1000_free_irq(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
	if (adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	if (adapter->msix_entries) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
		int vector = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		free_irq(adapter->msix_entries[vector].vector, netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
		vector++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
		free_irq(adapter->msix_entries[vector].vector, netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
		vector++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		/* Other Causes interrupt vector */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		free_irq(adapter->msix_entries[vector].vector, netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	free_irq(adapter->pdev->irq, netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
 * e1000_irq_disable - Mask off interrupt generation on the NIC
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
static void e1000_irq_disable(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
	if (adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
	ew32(IMC, ~0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
	if (adapter->msix_entries)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		ew32(EIAC_82574, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
	synchronize_irq(adapter->pdev->irq);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
 * e1000_irq_enable - Enable default interrupt generation settings
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
static void e1000_irq_enable(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	if (adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
	if (adapter->msix_entries) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
		ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
		ew32(IMS, IMS_ENABLE_MASK);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
 * e1000_get_hw_control - get control of the h/w from f/w
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
 * @adapter: address of board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
 * e1000_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
 * For ASF and Pass Through versions of f/w this means that
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
 * the driver is loaded. For AMT version (only with 82573)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
 * of the f/w this means that the network i/f is open.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
static void e1000_get_hw_control(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	u32 ctrl_ext;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	u32 swsm;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	/* Let firmware know the driver has taken over */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
		swsm = er32(SWSM);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
		ctrl_ext = er32(CTRL_EXT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
 * e1000_release_hw_control - release control of the h/w to f/w
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
 * @adapter: address of board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
 * e1000_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
 * For ASF and Pass Through versions of f/w this means that the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
 * driver is no longer loaded. For AMT version (only with 82573) i
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
 * of the f/w this means that the network i/f is closed.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
static void e1000_release_hw_control(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	u32 ctrl_ext;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	u32 swsm;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	/* Let firmware taken over control of h/w */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
		swsm = er32(SWSM);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		ctrl_ext = er32(CTRL_EXT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
 * @e1000_alloc_ring - allocate memory for a ring structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
				struct e1000_ring *ring)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
	struct pci_dev *pdev = adapter->pdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
	ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
					GFP_KERNEL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	if (!ring->desc)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
		return -ENOMEM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
 * e1000e_setup_tx_resources - allocate Tx resources (Descriptors)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
 * Return 0 on success, negative on failure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	int err = -ENOMEM, size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
	size = sizeof(struct e1000_buffer) * tx_ring->count;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	tx_ring->buffer_info = vmalloc(size);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	if (!tx_ring->buffer_info)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
		goto err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	memset(tx_ring->buffer_info, 0, size);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	/* round up to nearest 4K */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	tx_ring->size = ALIGN(tx_ring->size, 4096);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
	err = e1000_alloc_ring_dma(adapter, tx_ring);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
		goto err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	tx_ring->next_to_use = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	tx_ring->next_to_clean = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
err:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
	vfree(tx_ring->buffer_info);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
 * e1000e_setup_rx_resources - allocate Rx resources (Descriptors)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
 * Returns 0 on success, negative on failure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
int e1000e_setup_rx_resources(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
	struct e1000_ring *rx_ring = adapter->rx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
	struct e1000_buffer *buffer_info;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
	int i, size, desc_len, err = -ENOMEM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
	size = sizeof(struct e1000_buffer) * rx_ring->count;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
	rx_ring->buffer_info = vmalloc(size);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
	if (!rx_ring->buffer_info)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
		goto err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	memset(rx_ring->buffer_info, 0, size);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	for (i = 0; i < rx_ring->count; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
		buffer_info = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
		buffer_info->ps_pages = kcalloc(PS_PAGE_BUFFERS,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
						sizeof(struct e1000_ps_page),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
						GFP_KERNEL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
		if (!buffer_info->ps_pages)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
			goto err_pages;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
	desc_len = sizeof(union e1000_rx_desc_packet_split);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	/* Round up to nearest 4K */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	rx_ring->size = rx_ring->count * desc_len;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
	rx_ring->size = ALIGN(rx_ring->size, 4096);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	err = e1000_alloc_ring_dma(adapter, rx_ring);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		goto err_pages;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
	rx_ring->next_to_clean = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
	rx_ring->next_to_use = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
	rx_ring->rx_skb_top = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
err_pages:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
	for (i = 0; i < rx_ring->count; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
		buffer_info = &rx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
		kfree(buffer_info->ps_pages);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
err:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
	vfree(rx_ring->buffer_info);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
	return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
 * e1000_clean_tx_ring - Free Tx Buffers
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
static void e1000_clean_tx_ring(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	struct e1000_buffer *buffer_info;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
	unsigned long size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
	unsigned int i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	for (i = 0; i < tx_ring->count; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
		buffer_info = &tx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
		e1000_put_txbuf(adapter, buffer_info);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
	size = sizeof(struct e1000_buffer) * tx_ring->count;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
	memset(tx_ring->buffer_info, 0, size);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
	memset(tx_ring->desc, 0, tx_ring->size);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
	tx_ring->next_to_use = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
	tx_ring->next_to_clean = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
	writel(0, adapter->hw.hw_addr + tx_ring->head);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	writel(0, adapter->hw.hw_addr + tx_ring->tail);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
 * e1000e_free_tx_resources - Free Tx Resources per Queue
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
 * Free all transmit software resources
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
void e1000e_free_tx_resources(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
	struct pci_dev *pdev = adapter->pdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	e1000_clean_tx_ring(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	vfree(tx_ring->buffer_info);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	tx_ring->buffer_info = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
			  tx_ring->dma);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	tx_ring->desc = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
 * e1000e_free_rx_resources - Free Rx Resources
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
 * Free all receive software resources
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
void e1000e_free_rx_resources(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	struct pci_dev *pdev = adapter->pdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
	struct e1000_ring *rx_ring = adapter->rx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	int i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
	e1000_clean_rx_ring(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
	for (i = 0; i < rx_ring->count; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
		kfree(rx_ring->buffer_info[i].ps_pages);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	vfree(rx_ring->buffer_info);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	rx_ring->buffer_info = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
			  rx_ring->dma);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
	rx_ring->desc = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
 * e1000_update_itr - update the dynamic ITR value based on statistics
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
 * @adapter: pointer to adapter
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
 * @itr_setting: current adapter->itr
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
 * @packets: the number of packets during this measurement interval
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
 * @bytes: the number of bytes during this measurement interval
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
 *      Stores a new ITR value based on packets and byte
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
 *      counts during the last interrupt.  The advantage of per interrupt
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
 *      computation is faster updates and more accurate ITR for the current
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
 *      traffic pattern.  Constants in this function were computed
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
 *      based on theoretical maximum wire speed and thresholds were set based
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
 *      on testing data as well as attempting to minimize response time
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
 *      while increasing bulk throughput.  This functionality is controlled
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
 *      by the InterruptThrottleRate module parameter.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
				     u16 itr_setting, int packets,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
				     int bytes)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	unsigned int retval = itr_setting;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	if (packets == 0)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
		goto update_itr_done;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	switch (itr_setting) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	case lowest_latency:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
		/* handle TSO and jumbo frames */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
		if (bytes/packets > 8000)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
			retval = bulk_latency;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
		else if ((packets < 5) && (bytes > 512)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
			retval = low_latency;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
	case low_latency:  /* 50 usec aka 20000 ints/s */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
		if (bytes > 10000) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
			/* this if handles the TSO accounting */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
			if (bytes/packets > 8000) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
				retval = bulk_latency;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
			} else if ((packets < 10) || ((bytes/packets) > 1200)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
				retval = bulk_latency;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
			} else if ((packets > 35)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
				retval = lowest_latency;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
		} else if (bytes/packets > 2000) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
			retval = bulk_latency;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
		} else if (packets <= 2 && bytes < 512) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
			retval = lowest_latency;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
	case bulk_latency: /* 250 usec aka 4000 ints/s */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
		if (bytes > 25000) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
			if (packets > 35) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
				retval = low_latency;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
		} else if (bytes < 6000) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
			retval = low_latency;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
update_itr_done:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
	return retval;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
static void e1000_set_itr(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
	u16 current_itr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
	u32 new_itr = adapter->itr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	if (adapter->link_speed != SPEED_1000) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
		current_itr = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
		new_itr = 4000;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
		goto set_itr_now;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
	adapter->tx_itr = e1000_update_itr(adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
				    adapter->tx_itr,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
				    adapter->total_tx_packets,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
				    adapter->total_tx_bytes);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
		adapter->tx_itr = low_latency;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	adapter->rx_itr = e1000_update_itr(adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
				    adapter->rx_itr,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
				    adapter->total_rx_packets,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
				    adapter->total_rx_bytes);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
		adapter->rx_itr = low_latency;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	switch (current_itr) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	/* counts and packets in update_itr are dependent on these numbers */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	case lowest_latency:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
		new_itr = 70000;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
	case low_latency:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		new_itr = 20000; /* aka hwitr = ~200 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
	case bulk_latency:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		new_itr = 4000;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
	default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
set_itr_now:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
	if (new_itr != adapter->itr) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
		 * this attempts to bias the interrupt rate towards Bulk
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
		 * by adding intermediate steps when interrupt rate is
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
		 * increasing
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
		new_itr = new_itr > adapter->itr ?
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
			     min(adapter->itr + (new_itr >> 2), new_itr) :
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
			     new_itr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
		adapter->itr = new_itr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
		adapter->rx_ring->itr_val = new_itr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
		if (adapter->msix_entries)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
			adapter->rx_ring->set_itr = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
		else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
			ew32(ITR, 1000000000 / (new_itr * 256));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
 * e1000_alloc_queues - Allocate memory for all rings
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
 * @adapter: board private structure to initialize
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
	adapter->tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
	if (!adapter->tx_ring)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
		goto err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	adapter->rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	if (!adapter->rx_ring)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
		goto err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
err:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	e_err("Unable to allocate memory for queues\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
	kfree(adapter->rx_ring);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	kfree(adapter->tx_ring);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	return -ENOMEM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
 * e1000_clean - NAPI Rx polling callback
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
 * @napi: struct associated with this polling callback
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
 * @budget: amount of packets driver is allowed to process this poll
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
static int e1000_clean(struct napi_struct *napi, int budget)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
	struct net_device *poll_dev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	int tx_cleaned = 1, work_done = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	adapter = netdev_priv(poll_dev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
	if (adapter->msix_entries &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	    !(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
		goto clean_rx;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	tx_cleaned = e1000_clean_tx_irq(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
clean_rx:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
	adapter->clean_rx(adapter, &work_done, budget);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	if (!tx_cleaned)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
		work_done = budget;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	/* If budget not fully consumed, exit the polling mode */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
	if (work_done < budget) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
		if (adapter->itr_setting & 3)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
			e1000_set_itr(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
		napi_complete(napi);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
		if (!test_bit(__E1000_DOWN, &adapter->state)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
			if (adapter->msix_entries)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
				ew32(IMS, adapter->rx_ring->ims_val);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
			else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
				e1000_irq_enable(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
	return work_done;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
	u32 vfta, index;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
	/* don't update vlan cookie if already programmed */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
	if ((adapter->hw.mng_cookie.status &
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
	    (vid == adapter->mng_vlan_id))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	/* add VID to filter table */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
		index = (vid >> 5) & 0x7F;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
		vfta |= (1 << (vid & 0x1F));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
		hw->mac.ops.write_vfta(hw, index, vfta);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	u32 vfta, index;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	if (!test_bit(__E1000_DOWN, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
		e1000_irq_disable(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	if (!test_bit(__E1000_DOWN, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
		e1000_irq_enable(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	if ((adapter->hw.mng_cookie.status &
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
	    (vid == adapter->mng_vlan_id)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
		/* release control to f/w */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
		e1000_release_hw_control(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
	/* remove VID from filter table */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
		index = (vid >> 5) & 0x7F;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
		vfta &= ~(1 << (vid & 0x1F));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
		hw->mac.ops.write_vfta(hw, index, vfta);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
	u16 vid = adapter->hw.mng_cookie.vlan_id;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
	u16 old_vid = adapter->mng_vlan_id;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	if (!adapter->vlgrp)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	if (!vlan_group_get_device(adapter->vlgrp, vid)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
		adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
		if (adapter->hw.mng_cookie.status &
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
			e1000_vlan_rx_add_vid(netdev, vid);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
			adapter->mng_vlan_id = vid;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
				(vid != old_vid) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
		    !vlan_group_get_device(adapter->vlgrp, old_vid))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
			e1000_vlan_rx_kill_vid(netdev, old_vid);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
		adapter->mng_vlan_id = vid;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
static void e1000_vlan_rx_register(struct net_device *netdev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
				   struct vlan_group *grp)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	u32 ctrl, rctl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	if (!test_bit(__E1000_DOWN, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
		e1000_irq_disable(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	adapter->vlgrp = grp;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	if (grp) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
		/* enable VLAN tag insert/strip */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
		ctrl = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
		ctrl |= E1000_CTRL_VME;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
		ew32(CTRL, ctrl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
			/* enable VLAN receive filtering */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
			rctl = er32(RCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
			rctl &= ~E1000_RCTL_CFIEN;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
			ew32(RCTL, rctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
			e1000_update_mng_vlan(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
		/* disable VLAN tag insert/strip */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
		ctrl = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
		ctrl &= ~E1000_CTRL_VME;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
		ew32(CTRL, ctrl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
			if (adapter->mng_vlan_id !=
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
			    (u16)E1000_MNG_VLAN_NONE) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
				e1000_vlan_rx_kill_vid(netdev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
						       adapter->mng_vlan_id);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	if (!test_bit(__E1000_DOWN, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
		e1000_irq_enable(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
static void e1000_restore_vlan(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	u16 vid;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	if (!adapter->vlgrp)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
	for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
		if (!vlan_group_get_device(adapter->vlgrp, vid))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
			continue;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
		e1000_vlan_rx_add_vid(adapter->netdev, vid);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
static void e1000_init_manageability(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
	u32 manc, manc2h;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
	manc = er32(MANC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
	 * enable receiving management packets to the host. this will probably
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	 * generate destination unreachable messages from the host OS, but
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	 * the packets will be handled on SMBUS
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	manc |= E1000_MANC_EN_MNG2HOST;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	manc2h = er32(MANC2H);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
#define E1000_MNG2HOST_PORT_623 (1 << 5)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
#define E1000_MNG2HOST_PORT_664 (1 << 6)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
	manc2h |= E1000_MNG2HOST_PORT_623;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	manc2h |= E1000_MNG2HOST_PORT_664;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	ew32(MANC2H, manc2h);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	ew32(MANC, manc);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
 * Configure the Tx unit of the MAC after a reset.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
static void e1000_configure_tx(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
	u64 tdba;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
	u32 tdlen, tctl, tipg, tarc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	u32 ipgr1, ipgr2;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
	/* Setup the HW Tx Head and Tail descriptor pointers */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
	tdba = tx_ring->dma;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
	tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	ew32(TDBAL, (tdba & DMA_BIT_MASK(32)));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
	ew32(TDBAH, (tdba >> 32));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
	ew32(TDLEN, tdlen);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
	ew32(TDH, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
	ew32(TDT, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	tx_ring->head = E1000_TDH;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	tx_ring->tail = E1000_TDT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	/* Set the default values for the Tx Inter Packet Gap timer */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	tipg = DEFAULT_82543_TIPG_IPGT_COPPER;          /*  8  */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	ipgr1 = DEFAULT_82543_TIPG_IPGR1;               /*  8  */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	ipgr2 = DEFAULT_82543_TIPG_IPGR2;               /*  6  */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	if (adapter->flags & FLAG_TIPG_MEDIUM_FOR_80003ESLAN)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2; /*  7  */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
	ew32(TIPG, tipg);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	/* Set the Tx Interrupt Delay register */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	ew32(TIDV, adapter->tx_int_delay);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	/* Tx irq moderation */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	ew32(TADV, adapter->tx_abs_int_delay);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	/* Program the Transmit Control Register */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
	tctl = er32(TCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
	tctl &= ~E1000_TCTL_CT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
		tarc = er32(TARC(0));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
		 * set the speed mode bit, we'll clear it if we're not at
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
		 * gigabit link later
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
#define SPEED_MODE_BIT (1 << 21)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
		tarc |= SPEED_MODE_BIT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
		ew32(TARC(0), tarc);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
	/* errata: program both queues to unweighted RR */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
		tarc = er32(TARC(0));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
		tarc |= 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
		ew32(TARC(0), tarc);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
		tarc = er32(TARC(1));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
		tarc |= 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
		ew32(TARC(1), tarc);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	/* Setup Transmit Descriptor Settings for eop descriptor */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	/* only set IDE if we are delaying interrupts using the timers */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
	if (adapter->tx_int_delay)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	/* enable Report Status bit */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	adapter->txd_cmd |= E1000_TXD_CMD_RS;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	ew32(TCTL, tctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	e1000e_config_collision_dist(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
 * e1000_setup_rctl - configure the receive control registers
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
 * @adapter: Board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
			   (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
static void e1000_setup_rctl(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	u32 rctl, rfctl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	u32 psrctl = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	u32 pages = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	/* Program MC offset vector base */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	rctl = er32(RCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
		(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	/* Do not Store bad packets */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	rctl &= ~E1000_RCTL_SBP;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
	/* Enable Long Packet receive */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
		rctl &= ~E1000_RCTL_LPE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
	else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
		rctl |= E1000_RCTL_LPE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
	/* Some systems expect that the CRC is included in SMBUS traffic. The
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	 * hardware strips the CRC before sending to both SMBUS (BMC) and to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
	 * host memory when this is enabled
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
		rctl |= E1000_RCTL_SECRC;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	/* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
		u16 phy_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
		e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
		phy_data &= 0xfff8;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
		phy_data |= (1 << 2);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
		e1e_wphy(hw, PHY_REG(770, 26), phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
		e1e_rphy(hw, 22, &phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		phy_data &= 0x0fff;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		phy_data |= (1 << 14);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		e1e_wphy(hw, 0x10, 0x2823);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		e1e_wphy(hw, 0x11, 0x0003);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		e1e_wphy(hw, 22, phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
	/* Setup buffer sizes */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
	rctl &= ~E1000_RCTL_SZ_4096;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
	rctl |= E1000_RCTL_BSEX;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
	switch (adapter->rx_buffer_len) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
	case 2048:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
	default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
		rctl |= E1000_RCTL_SZ_2048;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
		rctl &= ~E1000_RCTL_BSEX;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
	case 4096:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
		rctl |= E1000_RCTL_SZ_4096;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
	case 8192:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
		rctl |= E1000_RCTL_SZ_8192;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	case 16384:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
		rctl |= E1000_RCTL_SZ_16384;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	 * 82571 and greater support packet-split where the protocol
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	 * header is placed in skb->data and the packet data is
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	 * In the case of a non-split, skb->data is linearly filled,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	 * followed by the page buffers.  Therefore, skb->data is
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	 * sized to hold the largest protocol header.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	 * allocations using alloc_page take too long for regular MTU
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	 * so only enable packet split for jumbo frames
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
	 * Using pages when the page size is greater than 16k wastes
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
	 * a lot of memory, since we allocate 3 pages at all times
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	 * per packet.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
	if (!(adapter->flags & FLAG_IS_ICH) && (pages <= 3) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	    (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
		adapter->rx_ps_pages = pages;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
		adapter->rx_ps_pages = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	if (adapter->rx_ps_pages) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
		/* Configure extra packet-split registers */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
		rfctl = er32(RFCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
		rfctl |= E1000_RFCTL_EXTEN;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
		 * disable packet split support for IPv6 extension headers,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
		 * because some malformed IPv6 headers can hang the Rx
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
			  E1000_RFCTL_NEW_IPV6_EXT_DIS);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
		ew32(RFCTL, rfctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
		/* Enable Packet split descriptors */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
		rctl |= E1000_RCTL_DTYP_PS;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		psrctl |= adapter->rx_ps_bsize0 >>
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
			E1000_PSRCTL_BSIZE0_SHIFT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
		switch (adapter->rx_ps_pages) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
		case 3:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
			psrctl |= PAGE_SIZE <<
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
				E1000_PSRCTL_BSIZE3_SHIFT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
		case 2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
			psrctl |= PAGE_SIZE <<
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
				E1000_PSRCTL_BSIZE2_SHIFT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
		case 1:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
			psrctl |= PAGE_SIZE >>
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
				E1000_PSRCTL_BSIZE1_SHIFT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
		ew32(PSRCTL, psrctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
	ew32(RCTL, rctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
	/* just started the receive unit, no need to restart */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	adapter->flags &= ~FLAG_RX_RESTART_NOW;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
 * e1000_configure_rx - Configure Receive Unit after Reset
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
 * Configure the Rx unit of the MAC after a reset.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
static void e1000_configure_rx(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
	struct e1000_ring *rx_ring = adapter->rx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
	u64 rdba;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	u32 rdlen, rctl, rxcsum, ctrl_ext;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
	if (adapter->rx_ps_pages) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
		/* this is a 32 byte descriptor */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
		rdlen = rx_ring->count *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
			sizeof(union e1000_rx_desc_packet_split);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
		adapter->clean_rx = e1000_clean_rx_irq_ps;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
	} else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
		adapter->clean_rx = e1000_clean_rx_irq;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	/* disable receives while setting up the descriptors */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
	rctl = er32(RCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	msleep(10);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
	/* set the Receive Delay Timer Register */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	ew32(RDTR, adapter->rx_int_delay);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
	/* irq moderation */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
	ew32(RADV, adapter->rx_abs_int_delay);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
	if (adapter->itr_setting != 0)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
		ew32(ITR, 1000000000 / (adapter->itr * 256));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
	ctrl_ext = er32(CTRL_EXT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
	/* Auto-Mask interrupts upon ICR access */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
	ctrl_ext |= E1000_CTRL_EXT_IAME;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
	ew32(IAM, 0xffffffff);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
	ew32(CTRL_EXT, ctrl_ext);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
	 * Setup the HW Rx Head and Tail Descriptor Pointers and
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
	 * the Base and Length of the Rx Descriptor Ring
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
	rdba = rx_ring->dma;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
	ew32(RDBAL, (rdba & DMA_BIT_MASK(32)));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
	ew32(RDBAH, (rdba >> 32));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
	ew32(RDLEN, rdlen);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	ew32(RDH, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
	ew32(RDT, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	rx_ring->head = E1000_RDH;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
	rx_ring->tail = E1000_RDT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
	/* Enable Receive Checksum Offload for TCP and UDP */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
	rxcsum = er32(RXCSUM);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
	if (adapter->flags & FLAG_RX_CSUM_ENABLED) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
		rxcsum |= E1000_RXCSUM_TUOFL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
		 * IPv4 payload checksum for UDP fragments must be
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
		 * used in conjunction with packet-split.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
		if (adapter->rx_ps_pages)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
			rxcsum |= E1000_RXCSUM_IPPCSE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
		rxcsum &= ~E1000_RXCSUM_TUOFL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
		/* no need to clear IPPCSE as it defaults to 0 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
	ew32(RXCSUM, rxcsum);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
	 * Enable early receives on supported devices, only takes effect when
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
	 * packet size is equal or larger than the specified value (in 8 byte
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
	 * units), e.g. using jumbo frames when setting to E1000_ERT_2048
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
	if (adapter->flags & FLAG_HAS_ERT) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
			u32 rxdctl = er32(RXDCTL(0));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
			ew32(RXDCTL(0), rxdctl | 0x3);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
			ew32(ERT, E1000_ERT_2048 | (1 << 13));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
			/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
			 * With jumbo frames and early-receive enabled,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
			 * excessive C-state transition latencies result in
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
			 * dropped transactions.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
			 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
			pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
						  adapter->netdev->name, 55);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
		} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
			pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
						  adapter->netdev->name,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
						  PM_QOS_DEFAULT_VALUE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	/* Enable Receives */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
	ew32(RCTL, rctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
 *  e1000_update_mc_addr_list - Update Multicast addresses
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
 *  @hw: pointer to the HW structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
 *  @mc_addr_list: array of multicast addresses to program
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
 *  @mc_addr_count: number of multicast addresses to program
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
 *  Updates the Multicast Table Array.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
 *  The caller must have a packed mc_addr_list of multicast addresses.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
static void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
				      u32 mc_addr_count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
	hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, mc_addr_count);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
 * e1000_set_multi - Multicast and Promiscuous mode set
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
 * @netdev: network interface device structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
 * The set_multi entry point is called whenever the multicast address
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
 * list or the network interface flags are updated.  This routine is
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
 * responsible for configuring the hardware for proper multicast,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
 * promiscuous mode, and all-multi behavior.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
static void e1000_set_multi(struct net_device *netdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	struct dev_mc_list *mc_ptr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
	u8  *mta_list;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
	u32 rctl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
	int i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
	/* Check for Promiscuous and All Multicast modes */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
	rctl = er32(RCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	if (netdev->flags & IFF_PROMISC) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
		rctl &= ~E1000_RCTL_VFE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
		if (netdev->flags & IFF_ALLMULTI) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
			rctl |= E1000_RCTL_MPE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
			rctl &= ~E1000_RCTL_UPE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
			rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
			rctl |= E1000_RCTL_VFE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
	ew32(RCTL, rctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
	if (!netdev_mc_empty(netdev)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
		mta_list = kmalloc(netdev_mc_count(netdev) * 6, GFP_ATOMIC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
		if (!mta_list)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
			return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
		/* prepare a packed array of only addresses. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
		i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
		netdev_for_each_mc_addr(mc_ptr, netdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
			memcpy(mta_list + (i++ * ETH_ALEN),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
			       mc_ptr->dmi_addr, ETH_ALEN);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
		e1000_update_mc_addr_list(hw, mta_list, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
		kfree(mta_list);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
		 * if we're called from probe, we might not have
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
		 * anything to do here, so clear out the list
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
		e1000_update_mc_addr_list(hw, NULL, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
 * e1000_configure - configure the hardware for Rx and Tx
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
 * @adapter: private board structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
static void e1000_configure(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
	e1000_set_multi(adapter->netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
	e1000_restore_vlan(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
	e1000_init_manageability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
	e1000_configure_tx(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
	e1000_setup_rctl(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	e1000_configure_rx(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	if (adapter->ecdev) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
		adapter->alloc_rx_buf(adapter, adapter->rx_ring->count);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
		adapter->alloc_rx_buf(adapter, e1000_desc_unused(adapter->rx_ring));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
 * e1000e_power_up_phy - restore link in case the phy was powered down
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
 * @adapter: address of board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
 * The phy may be powered down to save power and turn off link when the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
 * driver is unloaded and wake on lan is not enabled (among others)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
 * *** this routine MUST be followed by a call to e1000e_reset ***
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
void e1000e_power_up_phy(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	if (adapter->hw.phy.ops.power_up)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
		adapter->hw.phy.ops.power_up(&adapter->hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	adapter->hw.mac.ops.setup_link(&adapter->hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
 * e1000_power_down_phy - Power down the PHY
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
 * Power down the PHY so no link is implied when interface is down.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
 * The PHY cannot be powered down if management or WoL is active.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
static void e1000_power_down_phy(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	/* WoL is enabled */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
	if (adapter->wol)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	if (adapter->hw.phy.ops.power_down)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
		adapter->hw.phy.ops.power_down(&adapter->hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
 * e1000e_reset - bring the hardware into a known good state
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
 * This function boots the hardware and enables some settings that
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
 * require a configuration cycle of the hardware - those cannot be
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
 * set/changed during runtime. After reset the device needs to be
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
 * properly configured for Rx, Tx etc.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
void e1000e_reset(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
	struct e1000_mac_info *mac = &adapter->hw.mac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	struct e1000_fc_info *fc = &adapter->hw.fc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	u32 tx_space, min_tx_space, min_rx_space;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
	u32 pba = adapter->pba;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
	u16 hwm;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	/* reset Packet Buffer Allocation to default */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	ew32(PBA, pba);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
		 * To maintain wire speed transmits, the Tx FIFO should be
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
		 * large enough to accommodate two full transmit packets,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
		 * the Rx FIFO should be large enough to accommodate at least
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
		 * one full receive packet and is similarly rounded up and
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
		 * expressed in KB.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
		pba = er32(PBA);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
		/* upper 16 bits has Tx packet buffer allocation size in KB */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
		tx_space = pba >> 16;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
		/* lower 16 bits has Rx packet buffer allocation size in KB */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
		pba &= 0xffff;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
		 * the Tx fifo also stores 16 bytes of information about the tx
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
		 * but don't include ethernet FCS because hardware appends it
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
		min_tx_space = (adapter->max_frame_size +
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
				sizeof(struct e1000_tx_desc) -
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
				ETH_FCS_LEN) * 2;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
		min_tx_space = ALIGN(min_tx_space, 1024);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
		min_tx_space >>= 10;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
		/* software strips receive CRC, so leave room for it */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
		min_rx_space = adapter->max_frame_size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
		min_rx_space = ALIGN(min_rx_space, 1024);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
		min_rx_space >>= 10;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
		 * If current Tx allocation is less than the min Tx FIFO size,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		 * and the min Tx FIFO size is less than the current Rx FIFO
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
		 * allocation, take space away from current Rx allocation
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		if ((tx_space < min_tx_space) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
		    ((min_tx_space - tx_space) < pba)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
			pba -= min_tx_space - tx_space;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
			/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
			 * if short on Rx space, Rx wins and must trump tx
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
			 * adjustment or use Early Receive if available
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
			 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
			if ((pba < min_rx_space) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
			    (!(adapter->flags & FLAG_HAS_ERT)))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
				/* ERT enabled in e1000_configure_rx */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
				pba = min_rx_space;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		ew32(PBA, pba);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
	 * flow control settings
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
	 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
	 * The high water mark must be low enough to fit one full frame
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
	 * (or the size used for early receive) above it in the Rx FIFO.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
	 * Set it to the lower of:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
	 * - 90% of the Rx FIFO size, and
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	 * - the full Rx FIFO size minus the early receive size (for parts
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
	 * - the full Rx FIFO size minus one full frame
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
	if (hw->mac.type == e1000_pchlan) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		 * Workaround PCH LOM adapter hangs with certain network
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
		 * loads.  If hangs persist, try disabling Tx flow control.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
			fc->high_water = 0x3500;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
			fc->low_water  = 0x1500;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
		} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
			fc->high_water = 0x5000;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
			fc->low_water  = 0x3000;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
		if ((adapter->flags & FLAG_HAS_ERT) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
		    (adapter->netdev->mtu > ETH_DATA_LEN))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
			hwm = min(((pba << 10) * 9 / 10),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
				  ((pba << 10) - (E1000_ERT_2048 << 3)));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
		else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
			hwm = min(((pba << 10) * 9 / 10),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
				  ((pba << 10) - adapter->max_frame_size));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
		fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
		fc->low_water = fc->high_water - 8;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
		fc->pause_time = 0xFFFF;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
	else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		fc->pause_time = E1000_FC_PAUSE_TIME;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
	fc->send_xon = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
	fc->current_mode = fc->requested_mode;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
	/* Allow time for pending master requests to run */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	mac->ops.reset_hw(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	 * For parts with AMT enabled, let the firmware know
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	 * that the network interface is in control
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
	if (adapter->flags & FLAG_HAS_AMT)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
		e1000_get_hw_control(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
	ew32(WUC, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
		e1e_wphy(&adapter->hw, BM_WUC, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
	if (mac->ops.init_hw(hw))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
		e_err("Hardware Error\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
	/* additional part of the flow-control workaround above */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
	if (hw->mac.type == e1000_pchlan)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
		ew32(FCRTV_PCH, 0x1000);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	e1000_update_mng_vlan(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	ew32(VET, ETH_P_8021Q);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	e1000e_reset_adaptive(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	e1000_get_phy_info(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
	    !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
		u16 phy_data = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
		 * speed up time to link by disabling smart power down, ignore
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
		 * the return value of this function because there is nothing
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
		 * different we would do if it failed
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
		e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
		phy_data &= ~IGP02E1000_PM_SPD;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
		e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
int e1000e_up(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	/* DMA latency requirement to workaround early-receive/jumbo issue */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	if (adapter->flags & FLAG_HAS_ERT)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
		pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
		                       adapter->netdev->name,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
				       PM_QOS_DEFAULT_VALUE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
	/* hardware has been reset, we need to reload some things */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	e1000_configure(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
	clear_bit(__E1000_DOWN, &adapter->state);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	if (!adapter->ecdev) 
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		napi_enable(&adapter->napi);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
	if (adapter->msix_entries)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
		e1000_configure_msix(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
	if (!adapter->ecdev) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
		e1000_irq_enable(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
		netif_wake_queue(adapter->netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
		/* fire a link change interrupt to start the watchdog */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
		ew32(ICS, E1000_ICS_LSC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
void e1000e_down(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	u32 tctl, rctl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	 * signal that we're down so the interrupt handler does not
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	 * reschedule our watchdog timer
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
	set_bit(__E1000_DOWN, &adapter->state);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
	/* disable receives in the hardware */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
	rctl = er32(RCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
	/* flush and sleep below */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
	if (!adapter->ecdev) 
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
		netif_stop_queue(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
	/* disable transmits in the hardware */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
	tctl = er32(TCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
	tctl &= ~E1000_TCTL_EN;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
	ew32(TCTL, tctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
	/* flush both disables and wait for them to finish */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
	msleep(10);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
	if (!adapter->ecdev) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
		napi_disable(&adapter->napi);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
		e1000_irq_disable(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
		del_timer_sync(&adapter->watchdog_timer);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		del_timer_sync(&adapter->phy_info_timer);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
	if (adapter->ecdev) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		ecdev_set_link(adapter->ecdev, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		netif_carrier_off(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	adapter->link_speed = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	adapter->link_duplex = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	if (!pci_channel_offline(adapter->pdev))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
		e1000e_reset(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
	e1000_clean_tx_ring(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	e1000_clean_rx_ring(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
	if (adapter->flags & FLAG_HAS_ERT)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
		pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
		                          adapter->netdev->name);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
	 * TODO: for power management, we could drop the link and
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
	 * pci_disable_device here.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
void e1000e_reinit_locked(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
	might_sleep();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		msleep(1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
	e1000e_down(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
	e1000e_up(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
	clear_bit(__E1000_RESETTING, &adapter->state);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
 * @adapter: board private structure to initialize
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
 * e1000_sw_init initializes the Adapter private data structure.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
 * Fields are initialized based on PCI device information and
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
 * OS network device settings (MTU size).
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	adapter->rx_ps_bsize0 = 128;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	e1000e_set_interrupt_capability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
	if (e1000_alloc_queues(adapter))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
		return -ENOMEM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	/* Explicitly disable IRQ since the NIC can be in any state. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	e1000_irq_disable(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	set_bit(__E1000_DOWN, &adapter->state);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
 * e1000_intr_msi_test - Interrupt Handler
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
 * @irq: interrupt number
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
 * @data: pointer to a network interface device structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
static irqreturn_t e1000_intr_msi_test(int irq, void *data)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	struct net_device *netdev = data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
	u32 icr = er32(ICR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
	e_dbg("icr is %08X\n", icr);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
	if (icr & E1000_ICR_RXSEQ) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		wmb();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	return IRQ_HANDLED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
 * e1000_test_msi_interrupt - Returns 0 for successful test
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
 * @adapter: board private struct
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
 * code flow taken from tg3.c
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
	int err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
	/* poll_enable hasn't been called yet, so don't need disable */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
	/* clear any pending events */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
	er32(ICR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
	/* free the real vector and request a test handler */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	e1000_free_irq(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
	e1000e_reset_interrupt_capability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	/* Assume that the test fails, if it succeeds then the test
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
	 * MSI irq handler will unset this flag */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	adapter->flags |= FLAG_MSI_TEST_FAILED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	err = pci_enable_msi(adapter->pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
		goto msi_test_failed;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
	err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
			  netdev->name, netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
	if (err) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
		pci_disable_msi(adapter->pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
		goto msi_test_failed;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
	wmb();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
	e1000_irq_enable(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
	/* fire an unusual interrupt on the test handler */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	ew32(ICS, E1000_ICS_RXSEQ);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
	e1e_flush();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
	msleep(50);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
	e1000_irq_disable(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
	rmb();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
		err = -EIO;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
		e_info("MSI interrupt test failed!\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	free_irq(adapter->pdev->irq, netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	pci_disable_msi(adapter->pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
	if (err == -EIO)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
		goto msi_test_failed;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
	/* okay so the test worked, restore settings */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	e_dbg("MSI interrupt test succeeded!\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
msi_test_failed:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
	e1000e_set_interrupt_capability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
	e1000_request_irq(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
	return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
 * e1000_test_msi - Returns 0 if MSI test succeeds or INTx mode is restored
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
 * @adapter: board private struct
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
 * code flow taken from tg3.c, called with e1000 interrupts disabled.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
static int e1000_test_msi(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	int err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	u16 pci_cmd;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	if (!(adapter->flags & FLAG_MSI_ENABLED))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
		return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
	/* disable SERR in case the MSI write causes a master abort */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	pci_write_config_word(adapter->pdev, PCI_COMMAND,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
			      pci_cmd & ~PCI_COMMAND_SERR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	err = e1000_test_msi_interrupt(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	/* restore previous setting of command word */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
	pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
	/* success ! */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
	if (!err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
		return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
	/* EIO means MSI test failed */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	if (err != -EIO)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
		return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	/* back to INTx mode */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
	e_warn("MSI interrupt test failed, using legacy interrupt.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
	e1000_free_irq(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
	err = e1000_request_irq(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
 * e1000_open - Called when a network interface is made active
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
 * @netdev: network interface device structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
 * Returns 0 on success, negative value on failure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
 * The open entry point is called when a network interface is made
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
 * active by the system (IFF_UP).  At this point all resources needed
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
 * for transmit and receive operations are allocated, the interrupt
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
 * handler is registered with the OS, the watchdog timer is started,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
 * and the stack is notified that the interface is ready.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
static int e1000_open(struct net_device *netdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
	int err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
	/* disallow open during test */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	if (test_bit(__E1000_TESTING, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
		return -EBUSY;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
	if (adapter->ecdev) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		ecdev_set_link(adapter->ecdev, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
		netif_carrier_off(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
	/* allocate transmit descriptors */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
	err = e1000e_setup_tx_resources(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		goto err_setup_tx;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
	/* allocate receive descriptors */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
	err = e1000e_setup_rx_resources(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
		goto err_setup_rx;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	e1000e_power_up_phy(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	if ((adapter->hw.mng_cookie.status &
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
		e1000_update_mng_vlan(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
	 * If AMT is enabled, let the firmware know that the network
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
	 * interface is now open
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
	if (adapter->flags & FLAG_HAS_AMT)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
		e1000_get_hw_control(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
	 * before we allocate an interrupt, we must be ready to handle it.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	 * as soon as we call pci_request_irq, so we have to setup our
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
	 * clean_rx handler before we do so.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	e1000_configure(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
	err = e1000_request_irq(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
		goto err_req_irq;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	 * Work around PCIe errata with MSI interrupts causing some chipsets to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	 * ignore e1000e MSI messages, which means we need to test our MSI
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	 * interrupt now
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	if (adapter->int_mode != E1000E_INT_MODE_LEGACY) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
		err = e1000_test_msi(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
		if (err) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
			e_err("Interrupt allocation failed\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
			goto err_req_irq;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	/* From here on the code is the same as e1000e_up() */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
	clear_bit(__E1000_DOWN, &adapter->state);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	napi_enable(&adapter->napi);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	e1000_irq_enable(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	netif_start_queue(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	/* fire a link status change interrupt to start the watchdog */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
	ew32(ICS, E1000_ICS_LSC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
err_req_irq:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	e1000_release_hw_control(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	e1000_power_down_phy(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	e1000e_free_rx_resources(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
err_setup_rx:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	e1000e_free_tx_resources(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
err_setup_tx:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	e1000e_reset(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
	return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
 * e1000_close - Disables a network interface
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
 * @netdev: network interface device structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
 * Returns 0, this is not allowed to fail
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
 * The close entry point is called when an interface is de-activated
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
 * by the OS.  The hardware is still under the drivers control, but
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
 * needs to be disabled.  A global MAC reset is issued to stop the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
 * hardware, and all transmit and receive resources are freed.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
static int e1000_close(struct net_device *netdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	e1000e_down(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	e1000_power_down_phy(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	e1000_free_irq(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	e1000e_free_tx_resources(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	e1000e_free_rx_resources(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
	 * kill manageability vlan ID if supported, but not if a vlan with
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	 * the same ID is registered on the host OS (let 8021q kill it)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	if ((adapter->hw.mng_cookie.status &
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	     !(adapter->vlgrp &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id)))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	 * If AMT is enabled, let the firmware know that the network
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	 * interface is now closed
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	if (adapter->flags & FLAG_HAS_AMT)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
		e1000_release_hw_control(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
 * e1000_set_mac - Change the Ethernet Address of the NIC
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
 * @netdev: network interface device structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
 * @p: pointer to an address structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
 * Returns 0 on success, negative on failure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
static int e1000_set_mac(struct net_device *netdev, void *p)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
	struct sockaddr *addr = p;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	if (!is_valid_ether_addr(addr->sa_data))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
		return -EADDRNOTAVAIL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
	e1000e_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
		/* activate the work around */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
		e1000e_set_laa_state_82571(&adapter->hw, 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
		 * Hold a copy of the LAA in RAR[14] This is done so that
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
		 * between the time RAR[0] gets clobbered  and the time it
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
		 * of the RARs and no incoming packets directed to this port
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
		 * are dropped. Eventually the LAA will be in RAR[0] and
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
		 * RAR[14]
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
		e1000e_rar_set(&adapter->hw,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
			      adapter->hw.mac.addr,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
			      adapter->hw.mac.rar_entry_count - 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
 * e1000e_update_phy_task - work thread to update phy
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
 * @work: pointer to our work struct
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
 * this worker thread exists because we must acquire a
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
 * semaphore to read the phy, which we could msleep while
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
 * waiting for it, and we can't msleep in a timer.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
static void e1000e_update_phy_task(struct work_struct *work)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	struct e1000_adapter *adapter = container_of(work,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
					struct e1000_adapter, update_phy_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	e1000_get_phy_info(&adapter->hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
 * Need to wait a few seconds after link up to get diagnostic information from
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
 * the phy
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
static void e1000_update_phy_info(unsigned long data)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	schedule_work(&adapter->update_phy_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
 * e1000e_update_stats - Update the board statistics counters
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
void e1000e_update_stats(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
	struct pci_dev *pdev = adapter->pdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	u16 phy_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	 * Prevent stats update while adapter is being reset, or if the pci
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	 * connection is down.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
	if (adapter->link_speed == 0)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
	if (pci_channel_offline(pdev))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
	adapter->stats.crcerrs += er32(CRCERRS);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
	adapter->stats.gprc += er32(GPRC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
	adapter->stats.gorc += er32(GORCL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
	er32(GORCH); /* Clear gorc */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
	adapter->stats.bprc += er32(BPRC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
	adapter->stats.mprc += er32(MPRC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	adapter->stats.roc += er32(ROC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	adapter->stats.mpc += er32(MPC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
	if ((hw->phy.type == e1000_phy_82578) ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	    (hw->phy.type == e1000_phy_82577)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
		e1e_rphy(hw, HV_SCC_UPPER, &phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
		if (!e1e_rphy(hw, HV_SCC_LOWER, &phy_data))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
			adapter->stats.scc += phy_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
		e1e_rphy(hw, HV_ECOL_UPPER, &phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
		if (!e1e_rphy(hw, HV_ECOL_LOWER, &phy_data))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
			adapter->stats.ecol += phy_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
		e1e_rphy(hw, HV_MCC_UPPER, &phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
		if (!e1e_rphy(hw, HV_MCC_LOWER, &phy_data))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
			adapter->stats.mcc += phy_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
		e1e_rphy(hw, HV_LATECOL_UPPER, &phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
		if (!e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
			adapter->stats.latecol += phy_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
		e1e_rphy(hw, HV_DC_UPPER, &phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
		if (!e1e_rphy(hw, HV_DC_LOWER, &phy_data))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
			adapter->stats.dc += phy_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
		adapter->stats.scc += er32(SCC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
		adapter->stats.ecol += er32(ECOL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
		adapter->stats.mcc += er32(MCC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
		adapter->stats.latecol += er32(LATECOL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
		adapter->stats.dc += er32(DC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	adapter->stats.xonrxc += er32(XONRXC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	adapter->stats.xontxc += er32(XONTXC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	adapter->stats.xoffrxc += er32(XOFFRXC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	adapter->stats.xofftxc += er32(XOFFTXC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	adapter->stats.gptc += er32(GPTC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	adapter->stats.gotc += er32(GOTCL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	er32(GOTCH); /* Clear gotc */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	adapter->stats.rnbc += er32(RNBC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	adapter->stats.ruc += er32(RUC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	adapter->stats.mptc += er32(MPTC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	adapter->stats.bptc += er32(BPTC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	/* used for adaptive IFS */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
	hw->mac.tx_packet_delta = er32(TPT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
	adapter->stats.tpt += hw->mac.tx_packet_delta;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
	if ((hw->phy.type == e1000_phy_82578) ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	    (hw->phy.type == e1000_phy_82577)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
		e1e_rphy(hw, HV_COLC_UPPER, &phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
		if (!e1e_rphy(hw, HV_COLC_LOWER, &phy_data))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
			hw->mac.collision_delta = phy_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
		hw->mac.collision_delta = er32(COLC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	adapter->stats.colc += hw->mac.collision_delta;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	adapter->stats.algnerrc += er32(ALGNERRC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	adapter->stats.rxerrc += er32(RXERRC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	if ((hw->phy.type == e1000_phy_82578) ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	    (hw->phy.type == e1000_phy_82577)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
		e1e_rphy(hw, HV_TNCRS_UPPER, &phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
		if (!e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
			adapter->stats.tncrs += phy_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
		if ((hw->mac.type != e1000_82574) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
		    (hw->mac.type != e1000_82583))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
			adapter->stats.tncrs += er32(TNCRS);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	adapter->stats.cexterr += er32(CEXTERR);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	adapter->stats.tsctc += er32(TSCTC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	adapter->stats.tsctfc += er32(TSCTFC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	/* Fill out the OS statistics structure */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	netdev->stats.multicast = adapter->stats.mprc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
	netdev->stats.collisions = adapter->stats.colc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	/* Rx Errors */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	 * RLEC on some newer hardware can be incorrect so build
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	 * our own version based on RUC and ROC
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	netdev->stats.rx_errors = adapter->stats.rxerrc +
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
		adapter->stats.crcerrs + adapter->stats.algnerrc +
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
		adapter->stats.ruc + adapter->stats.roc +
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
		adapter->stats.cexterr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
	netdev->stats.rx_length_errors = adapter->stats.ruc +
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
					      adapter->stats.roc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
	/* Tx Errors */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	netdev->stats.tx_errors = adapter->stats.ecol +
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
				       adapter->stats.latecol;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	netdev->stats.tx_window_errors = adapter->stats.latecol;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	/* Tx Dropped needs to be maintained elsewhere */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	/* Management Stats */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
	adapter->stats.mgptc += er32(MGTPTC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	adapter->stats.mgprc += er32(MGTPRC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	adapter->stats.mgpdc += er32(MGTPDC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
 * e1000_phy_read_status - Update the PHY register status snapshot
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
 * @adapter: board private structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
static void e1000_phy_read_status(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
	struct e1000_phy_regs *phy = &adapter->phy_regs;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
	int ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
	if ((er32(STATUS) & E1000_STATUS_LU) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	    (adapter->hw.phy.media_type == e1000_media_type_copper)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
		ret_val  = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
		ret_val |= e1e_rphy(hw, PHY_STATUS, &phy->bmsr);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
		ret_val |= e1e_rphy(hw, PHY_LP_ABILITY, &phy->lpa);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_EXP, &phy->expansion);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
		ret_val |= e1e_rphy(hw, PHY_1000T_CTRL, &phy->ctrl1000);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
		ret_val |= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
		ret_val |= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
		if (ret_val)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
			e_warn("Error reading PHY register\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
		 * Do not read PHY registers if link is not up
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
		 * Set values to typical power-on defaults
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
		phy->bmcr = (BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_FULLDPLX);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
		phy->bmsr = (BMSR_100FULL | BMSR_100HALF | BMSR_10FULL |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
			     BMSR_10HALF | BMSR_ESTATEN | BMSR_ANEGCAPABLE |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
			     BMSR_ERCAP);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
		phy->advertise = (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
				  ADVERTISE_ALL | ADVERTISE_CSMA);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
		phy->lpa = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
		phy->expansion = EXPANSION_ENABLENPAGE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
		phy->ctrl1000 = ADVERTISE_1000FULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
		phy->stat1000 = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
		phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
static void e1000_print_link_info(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
	u32 ctrl = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
	/* Link status message must follow this format for user tools */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
	printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s, "
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	       "Flow Control: %s\n",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
	       adapter->netdev->name,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
	       adapter->link_speed,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	       (adapter->link_duplex == FULL_DUPLEX) ?
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
	                        "Full Duplex" : "Half Duplex",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	       ((ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE)) ?
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
	                        "RX/TX" :
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
	       ((ctrl & E1000_CTRL_RFCE) ? "RX" :
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
	       ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
bool e1000e_has_link(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
	bool link_active = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
	s32 ret_val = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
	 * get_link_status is set on LSC (link status) interrupt or
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
	 * Rx sequence error interrupt.  get_link_status will stay
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
	 * false until the check_for_link establishes link
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	 * for copper adapters ONLY
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	switch (hw->phy.media_type) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
	case e1000_media_type_copper:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
		if (hw->mac.get_link_status) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
			ret_val = hw->mac.ops.check_for_link(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
			link_active = !hw->mac.get_link_status;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
		} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
			link_active = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	case e1000_media_type_fiber:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
		ret_val = hw->mac.ops.check_for_link(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	case e1000_media_type_internal_serdes:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
		ret_val = hw->mac.ops.check_for_link(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
		link_active = adapter->hw.mac.serdes_has_link;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
	default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	case e1000_media_type_unknown:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
		/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
		e_info("Gigabit has been disabled, downgrading speed\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
	return link_active;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
static void e1000e_enable_receives(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
	/* make sure the receive unit is started */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	    (adapter->flags & FLAG_RX_RESTART_NOW)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
		struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
		u32 rctl = er32(RCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
		ew32(RCTL, rctl | E1000_RCTL_EN);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
		adapter->flags &= ~FLAG_RX_RESTART_NOW;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
 * e1000_watchdog - Timer Call-back
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
 * @data: pointer to adapter cast into an unsigned long
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
static void e1000_watchdog(unsigned long data)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
	/* Do the rest outside of interrupt context */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
	schedule_work(&adapter->watchdog_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	/* TODO: make this use queue_delayed_work() */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
static void e1000_watchdog_task(struct work_struct *work)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
	struct e1000_adapter *adapter = container_of(work,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
					struct e1000_adapter, watchdog_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
	struct e1000_mac_info *mac = &adapter->hw.mac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
	struct e1000_phy_info *phy = &adapter->hw.phy;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
	u32 link, tctl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
	int tx_pending = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	link = e1000e_has_link(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	if ((adapter->ecdev && (ecdev_get_link(adapter->ecdev)) && link)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
			|| (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
		e1000e_enable_receives(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
		goto link_up;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
	    (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
		e1000_update_mng_vlan(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	if (link) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev)) 
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
			bool txb2b = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
			/* update snapshot of PHY registers on LSC */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
			e1000_phy_read_status(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
			mac->ops.get_link_up_info(&adapter->hw,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
						   &adapter->link_speed,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
						   &adapter->link_duplex);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
			e1000_print_link_info(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
			/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
			 * On supported PHYs, check for duplex mismatch only
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
			 * if link has autonegotiated at 10/100 half
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
			 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
			if ((hw->phy.type == e1000_phy_igp_3 ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
			     hw->phy.type == e1000_phy_bm) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
			    (hw->mac.autoneg == true) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
			    (adapter->link_speed == SPEED_10 ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
			     adapter->link_speed == SPEED_100) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
			    (adapter->link_duplex == HALF_DUPLEX)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
				u16 autoneg_exp;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
				e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
				if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
					e_info("Autonegotiated half duplex but"
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
					       " link partner cannot autoneg. "
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
					       " Try forcing full duplex if "
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
					       "link gets many collisions.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
			/* adjust timeout factor according to speed/duplex */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
			adapter->tx_timeout_factor = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
			switch (adapter->link_speed) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
			case SPEED_10:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
				txb2b = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
				adapter->tx_timeout_factor = 16;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
				break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
			case SPEED_100:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
				txb2b = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
				adapter->tx_timeout_factor = 10;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
				break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
			/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
			 * workaround: re-program speed mode bit after
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
			 * link-up event
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
			 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
			if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
			    !txb2b) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
				u32 tarc0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
				tarc0 = er32(TARC(0));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
				tarc0 &= ~SPEED_MODE_BIT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
				ew32(TARC(0), tarc0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
			/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
			 * disable TSO for pcie and 10/100 speeds, to avoid
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
			 * some hardware issues
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
			 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
			if (!(adapter->flags & FLAG_TSO_FORCE)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
				switch (adapter->link_speed) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
				case SPEED_10:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
				case SPEED_100:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
					e_info("10/100 speed: disabling TSO\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
					netdev->features &= ~NETIF_F_TSO;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
					netdev->features &= ~NETIF_F_TSO6;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
					break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
				case SPEED_1000:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
					netdev->features |= NETIF_F_TSO;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
					netdev->features |= NETIF_F_TSO6;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
					break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
				default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
					/* oops */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
					break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
				}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
			/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
			 * enable transmits in the hardware, need to do this
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
			 * after setting TARC(0)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
			 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
			tctl = er32(TCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
			tctl |= E1000_TCTL_EN;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
			ew32(TCTL, tctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
                        /*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
			 * Perform any post-link-up configuration before
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
			 * reporting link up.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
			 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
			if (phy->ops.cfg_on_link_up)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
				phy->ops.cfg_on_link_up(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
			if (adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
				ecdev_set_link(adapter->ecdev, 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
			else 
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
				netif_carrier_on(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
			if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
				mod_timer(&adapter->phy_info_timer,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
					  round_jiffies(jiffies + 2 * HZ));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev)) 
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
			adapter->link_speed = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
			adapter->link_duplex = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
			/* Link status message must follow this format */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
			printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
			       adapter->netdev->name);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
			if (adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
				ecdev_set_link(adapter->ecdev, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
			else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
				netif_carrier_off(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
			if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
				mod_timer(&adapter->phy_info_timer,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
					  round_jiffies(jiffies + 2 * HZ));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
			if (adapter->flags & FLAG_RX_NEEDS_RESTART)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
				schedule_work(&adapter->reset_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
link_up:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
	e1000e_update_stats(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
	mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
	adapter->tpt_old = adapter->stats.tpt;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
	mac->collision_delta = adapter->stats.colc - adapter->colc_old;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
	adapter->colc_old = adapter->stats.colc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
	adapter->gorc_old = adapter->stats.gorc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	adapter->gotc_old = adapter->stats.gotc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
	e1000e_update_adaptive(&adapter->hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev)) 
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
			|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
		tx_pending = (e1000_desc_unused(tx_ring) + 1 <
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
			       tx_ring->count);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
		if (tx_pending) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
			/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
			 * We've lost link, so the controller stops DMA,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
			 * but we've got queued Tx work that's never going
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
			 * to get done, so reset controller to flush Tx.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
			 * (Do the reset outside of interrupt context).
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
			 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
			adapter->tx_timeout_count++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
			schedule_work(&adapter->reset_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
			/* return immediately since reset is imminent */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
			return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
	/* Cause software interrupt to ensure Rx ring is cleaned */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
	if (adapter->msix_entries)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
		ew32(ICS, adapter->rx_ring->ims_val);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
		ew32(ICS, E1000_ICS_RXDMT0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
	/* Force detection of hung controller every watchdog period */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
	adapter->detect_tx_hung = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
	 * With 82571 controllers, LAA may be overwritten due to controller
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
	 * reset from the other port. Set the appropriate LAA in RAR[0]
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	if (e1000e_get_laa_state_82571(hw))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
		e1000e_rar_set(hw, adapter->hw.mac.addr, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
	/* Reset the timer */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
	if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
		mod_timer(&adapter->watchdog_timer,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
			  round_jiffies(jiffies + 2 * HZ));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
#define E1000_TX_FLAGS_CSUM		0x00000001
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
#define E1000_TX_FLAGS_VLAN		0x00000002
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
#define E1000_TX_FLAGS_TSO		0x00000004
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
#define E1000_TX_FLAGS_IPV4		0x00000008
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
#define E1000_TX_FLAGS_VLAN_SHIFT	16
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
static int e1000_tso(struct e1000_adapter *adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
		     struct sk_buff *skb)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
	struct e1000_context_desc *context_desc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
	struct e1000_buffer *buffer_info;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
	unsigned int i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
	u32 cmd_length = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
	u16 ipcse = 0, tucse, mss;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
	int err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
	if (!skb_is_gso(skb))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
		return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
	if (skb_header_cloned(skb)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
		err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
		if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
			return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
	mss = skb_shinfo(skb)->gso_size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
	if (skb->protocol == htons(ETH_P_IP)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
		struct iphdr *iph = ip_hdr(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
		iph->tot_len = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
		iph->check = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
		tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
		                                         0, IPPROTO_TCP, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
		cmd_length = E1000_TXD_CMD_IP;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
		ipcse = skb_transport_offset(skb) - 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
	} else if (skb_is_gso_v6(skb)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
		ipv6_hdr(skb)->payload_len = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
		                                       &ipv6_hdr(skb)->daddr,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
		                                       0, IPPROTO_TCP, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
		ipcse = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	ipcss = skb_network_offset(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
	ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	tucss = skb_transport_offset(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
	tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	tucse = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	               E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	i = tx_ring->next_to_use;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	buffer_info = &tx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	context_desc->lower_setup.ip_fields.ipcss  = ipcss;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	context_desc->lower_setup.ip_fields.ipcso  = ipcso;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
	context_desc->upper_setup.tcp_fields.tucss = tucss;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
	context_desc->upper_setup.tcp_fields.tucso = tucso;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
	context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
	buffer_info->time_stamp = jiffies;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
	buffer_info->next_to_watch = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
	i++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
	if (i == tx_ring->count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
		i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
	tx_ring->next_to_use = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
	return 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
	struct e1000_context_desc *context_desc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
	struct e1000_buffer *buffer_info;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
	unsigned int i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
	u8 css;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	u32 cmd_len = E1000_TXD_CMD_DEXT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
	__be16 protocol;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	if (skb->ip_summed != CHECKSUM_PARTIAL)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
		return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
	else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
		protocol = skb->protocol;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
	switch (protocol) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
	case cpu_to_be16(ETH_P_IP):
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
			cmd_len |= E1000_TXD_CMD_TCP;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
	case cpu_to_be16(ETH_P_IPV6):
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
		/* XXX not handling all IPV6 headers */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
			cmd_len |= E1000_TXD_CMD_TCP;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
	default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
		if (unlikely(net_ratelimit()))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
			e_warn("checksum_partial proto=%x!\n",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
			       be16_to_cpu(protocol));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
	css = skb_transport_offset(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
	i = tx_ring->next_to_use;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
	buffer_info = &tx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	context_desc->lower_setup.ip_config = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
	context_desc->upper_setup.tcp_fields.tucss = css;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
	context_desc->upper_setup.tcp_fields.tucso =
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
				css + skb->csum_offset;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
	context_desc->upper_setup.tcp_fields.tucse = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
	context_desc->tcp_seg_setup.data = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
	buffer_info->time_stamp = jiffies;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
	buffer_info->next_to_watch = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	i++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
	if (i == tx_ring->count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
		i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	tx_ring->next_to_use = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	return 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
#define E1000_MAX_PER_TXD	8192
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
#define E1000_MAX_TXD_PWR	12
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
static int e1000_tx_map(struct e1000_adapter *adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
			struct sk_buff *skb, unsigned int first,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
			unsigned int max_per_txd, unsigned int nr_frags,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
			unsigned int mss)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	struct pci_dev *pdev = adapter->pdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
	struct e1000_buffer *buffer_info;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	unsigned int len = skb_headlen(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
	unsigned int offset = 0, size, count = 0, i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
	unsigned int f;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	i = tx_ring->next_to_use;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
	while (len) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
		buffer_info = &tx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		size = min(len, max_per_txd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
		buffer_info->length = size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
		buffer_info->time_stamp = jiffies;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
		buffer_info->next_to_watch = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
		buffer_info->dma = pci_map_single(pdev,	skb->data + offset,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
						  size,	PCI_DMA_TODEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
		buffer_info->mapped_as_page = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		if (pci_dma_mapping_error(pdev, buffer_info->dma))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
			goto dma_error;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
		len -= size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
		offset += size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
		count++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
		if (len) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
			i++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
			if (i == tx_ring->count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
				i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
	for (f = 0; f < nr_frags; f++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
		struct skb_frag_struct *frag;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
		frag = &skb_shinfo(skb)->frags[f];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
		len = frag->size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
		offset = frag->page_offset;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
		while (len) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
			i++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
			if (i == tx_ring->count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
				i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
			buffer_info = &tx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
			size = min(len, max_per_txd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
			buffer_info->length = size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
			buffer_info->time_stamp = jiffies;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
			buffer_info->next_to_watch = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
			buffer_info->dma = pci_map_page(pdev, frag->page,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
							offset, size,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
							PCI_DMA_TODEVICE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
			buffer_info->mapped_as_page = true;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
			if (pci_dma_mapping_error(pdev, buffer_info->dma))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
				goto dma_error;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
			len -= size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
			offset += size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
			count++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
	tx_ring->buffer_info[i].skb = skb;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
	tx_ring->buffer_info[first].next_to_watch = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
	return count;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
dma_error:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
	dev_err(&pdev->dev, "TX DMA map failed\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
	buffer_info->dma = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
	if (count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
		count--;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
	while (count--) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
		if (i==0)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
			i += tx_ring->count;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
		i--;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
		buffer_info = &tx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
		e1000_put_txbuf(adapter, buffer_info);;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
static void e1000_tx_queue(struct e1000_adapter *adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
			   int tx_flags, int count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
	struct e1000_tx_desc *tx_desc = NULL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
	struct e1000_buffer *buffer_info;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
	unsigned int i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
	if (tx_flags & E1000_TX_FLAGS_TSO) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
			     E1000_TXD_CMD_TSE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
		if (tx_flags & E1000_TX_FLAGS_IPV4)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
	if (tx_flags & E1000_TX_FLAGS_CSUM) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
	if (tx_flags & E1000_TX_FLAGS_VLAN) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
		txd_lower |= E1000_TXD_CMD_VLE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
	i = tx_ring->next_to_use;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
	while (count--) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
		buffer_info = &tx_ring->buffer_info[i];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
		tx_desc = E1000_TX_DESC(*tx_ring, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
		tx_desc->lower.data =
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
			cpu_to_le32(txd_lower | buffer_info->length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
		tx_desc->upper.data = cpu_to_le32(txd_upper);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
		i++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
		if (i == tx_ring->count)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
			i = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	 * Force memory writes to complete before letting h/w
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
	 * know there are new descriptors to fetch.  (Only
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	 * applicable for weak-ordered memory model archs,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	 * such as IA-64).
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	wmb();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	tx_ring->next_to_use = i;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	writel(i, adapter->hw.hw_addr + tx_ring->tail);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	 * we need this if more than one processor can write to our tail
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
	 * at a time, it synchronizes IO on IA64/Altix systems
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
	mmiowb();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
#define MINIMUM_DHCP_PACKET_SIZE 282
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
				    struct sk_buff *skb)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
	struct e1000_hw *hw =  &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
	u16 length, offset;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
	if (vlan_tx_tag_present(skb)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
		    (adapter->hw.mng_cookie.status &
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
			return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
		return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	if (((struct ethhdr *) skb->data)->h_proto != htons(ETH_P_IP))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
		return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
		const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
		struct udphdr *udp;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
		if (ip->protocol != IPPROTO_UDP)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
			return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
		udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
		if (ntohs(udp->dest) != 67)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
			return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
		offset = (u8 *)udp + 8 - skb->data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
		length = skb->len - offset;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
		return e1000e_mng_write_dhcp_info(hw, (u8 *)udp + 8, length);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
	netif_stop_queue(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
	 * Herbert's original patch had:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
	 *  smp_mb__after_netif_stop_queue();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
	 * but since that doesn't exist yet, just open code it.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
	smp_mb();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
	 * We need to check again in a case another CPU has just
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
	 * made room available.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
	if (e1000_desc_unused(adapter->tx_ring) < size)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
		return -EBUSY;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
	/* A reprieve! */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
	netif_start_queue(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
	++adapter->restart_queue;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
static int e1000_maybe_stop_tx(struct net_device *netdev, int size)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
	if (e1000_desc_unused(adapter->tx_ring) >= size)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
	return __e1000_maybe_stop_tx(netdev, size);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
				    struct net_device *netdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
	struct e1000_ring *tx_ring = adapter->tx_ring;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
	unsigned int first;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
	unsigned int max_per_txd = E1000_MAX_PER_TXD;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
	unsigned int tx_flags = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
	unsigned int len = skb->len - skb->data_len;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
	unsigned int nr_frags;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
	unsigned int mss;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
	int count = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
	int tso;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
	unsigned int f;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
	if (test_bit(__E1000_DOWN, &adapter->state)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
		if (!adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
			dev_kfree_skb_any(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
		return NETDEV_TX_OK;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
	if (skb->len <= 0) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
		if (!adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
			dev_kfree_skb_any(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
		return NETDEV_TX_OK;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
	mss = skb_shinfo(skb)->gso_size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
	 * The controller does a simple calculation to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	 * make sure there is enough room in the FIFO before
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
	 * initiating the DMA for each buffer.  The calc is:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
	 * 4 = ceil(buffer len/mss).  To make sure we don't
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
	 * overrun the FIFO, adjust the max buffer len if mss
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
	 * drops.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	if (mss) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
		u8 hdr_len;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
		max_per_txd = min(mss << 2, max_per_txd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
		max_txd_pwr = fls(max_per_txd) - 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
		 * TSO Workaround for 82571/2/3 Controllers -- if skb->data
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
		 * points to just header, pull a few bytes of payload from
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
		 * frags into skb->data
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
		/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
		 * we do this workaround for ES2LAN, but it is un-necessary,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
		 * avoiding it could save a lot of cycles
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
		 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
		if (skb->data_len && (hdr_len == len)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
			unsigned int pull_size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
			pull_size = min((unsigned int)4, skb->data_len);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
			if (!__pskb_pull_tail(skb, pull_size)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
				e_err("__pskb_pull_tail failed.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
				if (!adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
					dev_kfree_skb_any(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
				return NETDEV_TX_OK;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
			len = skb->len - skb->data_len;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
	/* reserve a descriptor for the offload context */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
		count++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
	count++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
	count += TXD_USE_COUNT(len, max_txd_pwr);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
	nr_frags = skb_shinfo(skb)->nr_frags;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
	for (f = 0; f < nr_frags; f++)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
				       max_txd_pwr);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
	if (adapter->hw.mac.tx_pkt_filtering)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
		e1000_transfer_dhcp_info(adapter, skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
	 * need: count + 2 desc gap to keep tail from touching
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
	 * head, otherwise try next time
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
	if (!adapter->ecdev && e1000_maybe_stop_tx(netdev, count + 2))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
		return NETDEV_TX_BUSY;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
	if (adapter->vlgrp && vlan_tx_tag_present(skb)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
		tx_flags |= E1000_TX_FLAGS_VLAN;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
	first = tx_ring->next_to_use;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
	tso = e1000_tso(adapter, skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
	if (tso < 0) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
		if (!adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
			dev_kfree_skb_any(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
		return NETDEV_TX_OK;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
	if (tso)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
		tx_flags |= E1000_TX_FLAGS_TSO;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
	else if (e1000_tx_csum(adapter, skb))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
		tx_flags |= E1000_TX_FLAGS_CSUM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
	 * Old method was to assume IPv4 packet by default if TSO was enabled.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
	 * no longer assume, we must.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
	if (skb->protocol == htons(ETH_P_IP))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
		tx_flags |= E1000_TX_FLAGS_IPV4;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
	/* if count is 0 then mapping error has occured */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
	count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
	if (count) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
		e1000_tx_queue(adapter, tx_flags, count);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
		/* Make sure there is space in the ring for the next send. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
		if (!adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
			e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
		if (!adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
			dev_kfree_skb_any(skb);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
		tx_ring->buffer_info[first].time_stamp = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
		tx_ring->next_to_use = first;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	return NETDEV_TX_OK;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
 * e1000_tx_timeout - Respond to a Tx Hang
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
 * @netdev: network interface device structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
static void e1000_tx_timeout(struct net_device *netdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
	/* Do the reset outside of interrupt context */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
	adapter->tx_timeout_count++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
	schedule_work(&adapter->reset_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
static void e1000_reset_task(struct work_struct *work)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
	struct e1000_adapter *adapter;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
	adapter = container_of(work, struct e1000_adapter, reset_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
	e1000e_reinit_locked(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
 * e1000_get_stats - Get System Network Statistics
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
 * @netdev: network interface device structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
 * Returns the address of the device statistics structure.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
 * The statistics are actually updated from the timer callback.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
	/* only return the current stats */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
	return &netdev->stats;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
 * e1000_change_mtu - Change the Maximum Transfer Unit
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
 * @netdev: network interface device structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
 * @new_mtu: new value for maximum frame size
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
 * Returns 0 on success, negative on failure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
	if (adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
		return -EBUSY;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
	/* Jumbo frame support */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
	if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
	    !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
		e_err("Jumbo Frames not supported.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
		return -EINVAL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
	/* Supported frame sizes */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
	if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
	    (max_frame > adapter->max_hw_frame_size)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
		e_err("Unsupported MTU setting\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
		return -EINVAL;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
	/* 82573 Errata 17 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
	if (((adapter->hw.mac.type == e1000_82573) ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
	     (adapter->hw.mac.type == e1000_82574)) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
	    (max_frame > ETH_FRAME_LEN + ETH_FCS_LEN)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
		adapter->flags2 |= FLAG2_DISABLE_ASPM_L1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
		e1000e_disable_aspm(adapter->pdev, PCIE_LINK_STATE_L1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
		msleep(1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
	/* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
	adapter->max_frame_size = max_frame;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
	e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
	netdev->mtu = new_mtu;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
	if (netif_running(netdev))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
		e1000e_down(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
	 * NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
	 * means we reserve 2 more, this pushes us to allocate from the next
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	 * larger slab size.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
	 * i.e. RXBUFFER_2048 --> size-4096 slab
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
	 * However with the new *_jumbo_rx* routines, jumbo receives will use
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
	 * fragmented skbs
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
	if (max_frame <= 2048)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
		adapter->rx_buffer_len = 2048;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
	else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
		adapter->rx_buffer_len = 4096;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
	/* adjust allocation if LPE protects us, and we aren't using SBP */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
	     (max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
		adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
					 + ETH_FCS_LEN;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	if (netif_running(netdev))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
		e1000e_up(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
	else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
		e1000e_reset(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
	clear_bit(__E1000_RESETTING, &adapter->state);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
			   int cmd)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
	struct mii_ioctl_data *data = if_mii(ifr);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
		return -EOPNOTSUPP;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	switch (cmd) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
	case SIOCGMIIPHY:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
		data->phy_id = adapter->hw.phy.addr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
	case SIOCGMIIREG:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
		e1000_phy_read_status(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
		switch (data->reg_num & 0x1F) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
		case MII_BMCR:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
			data->val_out = adapter->phy_regs.bmcr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
		case MII_BMSR:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
			data->val_out = adapter->phy_regs.bmsr;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
		case MII_PHYSID1:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
			data->val_out = (adapter->hw.phy.id >> 16);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
		case MII_PHYSID2:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
			data->val_out = (adapter->hw.phy.id & 0xFFFF);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
		case MII_ADVERTISE:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
			data->val_out = adapter->phy_regs.advertise;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
		case MII_LPA:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
			data->val_out = adapter->phy_regs.lpa;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
		case MII_EXPANSION:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
			data->val_out = adapter->phy_regs.expansion;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
		case MII_CTRL1000:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
			data->val_out = adapter->phy_regs.ctrl1000;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
		case MII_STAT1000:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
			data->val_out = adapter->phy_regs.stat1000;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
		case MII_ESTATUS:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
			data->val_out = adapter->phy_regs.estatus;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
			return -EIO;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
		break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
	case SIOCSMIIREG:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
	default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
		return -EOPNOTSUPP;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
	switch (cmd) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
	case SIOCGMIIPHY:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
	case SIOCGMIIREG:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
	case SIOCSMIIREG:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
		return e1000_mii_ioctl(netdev, ifr, cmd);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
	default:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
		return -EOPNOTSUPP;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	u32 i, mac_reg;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
	u16 phy_reg;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
	int retval = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
	/* copy MAC RARs to PHY RARs */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
	for (i = 0; i < adapter->hw.mac.rar_entry_count; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
		mac_reg = er32(RAL(i));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
		e1e_wphy(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
		e1e_wphy(hw, BM_RAR_M(i), (u16)((mac_reg >> 16) & 0xFFFF));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
		mac_reg = er32(RAH(i));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
		e1e_wphy(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
		e1e_wphy(hw, BM_RAR_CTRL(i), (u16)((mac_reg >> 16) & 0xFFFF));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	/* copy MAC MTA to PHY MTA */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
		mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
		e1e_wphy(hw, BM_MTA(i), (u16)(mac_reg & 0xFFFF));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
		e1e_wphy(hw, BM_MTA(i) + 1, (u16)((mac_reg >> 16) & 0xFFFF));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
	/* configure PHY Rx Control register */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
	e1e_rphy(&adapter->hw, BM_RCTL, &phy_reg);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
	mac_reg = er32(RCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
	if (mac_reg & E1000_RCTL_UPE)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
		phy_reg |= BM_RCTL_UPE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
	if (mac_reg & E1000_RCTL_MPE)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
		phy_reg |= BM_RCTL_MPE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
	phy_reg &= ~(BM_RCTL_MO_MASK);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
	if (mac_reg & E1000_RCTL_MO_3)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
		phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
				<< BM_RCTL_MO_SHIFT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
	if (mac_reg & E1000_RCTL_BAM)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
		phy_reg |= BM_RCTL_BAM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	if (mac_reg & E1000_RCTL_PMCF)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
		phy_reg |= BM_RCTL_PMCF;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
	mac_reg = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	if (mac_reg & E1000_CTRL_RFCE)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
		phy_reg |= BM_RCTL_RFCE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
	e1e_wphy(&adapter->hw, BM_RCTL, phy_reg);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
	/* enable PHY wakeup in MAC register */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
	ew32(WUFC, wufc);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
	ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	/* configure and enable PHY wakeup in PHY registers */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
	e1e_wphy(&adapter->hw, BM_WUFC, wufc);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
	e1e_wphy(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
	/* activate PHY wakeup */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
	retval = hw->phy.ops.acquire(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	if (retval) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
		e_err("Could not acquire PHY\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
		return retval;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
	e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
	                         (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
	retval = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
	if (retval) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
		e_err("Could not read PHY page 769\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
		goto out;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
	phy_reg |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
	retval = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
	if (retval)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
		e_err("Could not set PHY Host Wakeup bit\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
out:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	hw->phy.ops.release(hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	return retval;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	struct net_device *netdev = pci_get_drvdata(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
	u32 ctrl, ctrl_ext, rctl, status;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
	u32 wufc = adapter->wol;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	int retval = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
	netif_device_detach(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
	if (netif_running(netdev)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
		e1000e_down(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
		e1000_free_irq(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
	e1000e_reset_interrupt_capability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
	retval = pci_save_state(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
	if (retval)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
		return retval;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
	status = er32(STATUS);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
	if (status & E1000_STATUS_LU)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
		wufc &= ~E1000_WUFC_LNKC;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
	if (wufc) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
		e1000_setup_rctl(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
		e1000_set_multi(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
		/* turn on all-multi mode if wake on multicast is enabled */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
		if (wufc & E1000_WUFC_MC) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
			rctl = er32(RCTL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
			rctl |= E1000_RCTL_MPE;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
			ew32(RCTL, rctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
		ctrl = er32(CTRL);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
		/* advertise wake from D3Cold */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
		#define E1000_CTRL_ADVD3WUC 0x00100000
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
		/* phy power management enable */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
		#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
		ctrl |= E1000_CTRL_ADVD3WUC;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
		if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
			ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
		ew32(CTRL, ctrl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
		if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		    adapter->hw.phy.media_type ==
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
		    e1000_media_type_internal_serdes) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
			/* keep the laser running in D3 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
			ctrl_ext = er32(CTRL_EXT);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
			ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
			ew32(CTRL_EXT, ctrl_ext);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
		if (adapter->flags & FLAG_IS_ICH)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
			e1000e_disable_gig_wol_ich8lan(&adapter->hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
		/* Allow time for pending master requests to run */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
		e1000e_disable_pcie_master(&adapter->hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
		if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
			/* enable wakeup by the PHY */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
			retval = e1000_init_phy_wakeup(adapter, wufc);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
			if (retval)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
				return retval;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
		} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
			/* enable wakeup by the MAC */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
			ew32(WUFC, wufc);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
			ew32(WUC, E1000_WUC_PME_EN);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
		ew32(WUC, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
		ew32(WUFC, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
	*enable_wake = !!wufc;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
	/* make sure adapter isn't asleep if manageability is enabled */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
	if ((adapter->flags & FLAG_MNG_PT_ENABLED) ||
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
	    (hw->mac.ops.check_mng_mode(hw)))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
		*enable_wake = true;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
	if (adapter->hw.phy.type == e1000_phy_igp_3)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
	 * would have already happened in close and is redundant.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
	e1000_release_hw_control(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
	pci_disable_device(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
static void e1000_power_off(struct pci_dev *pdev, bool sleep, bool wake)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
	if (sleep && wake) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		pci_prepare_to_sleep(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
	pci_wake_from_d3(pdev, wake);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
	pci_set_power_state(pdev, PCI_D3hot);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
                                    bool wake)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
	struct net_device *netdev = pci_get_drvdata(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
	 * The pci-e switch on some quad port adapters will report a
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
	 * correctable error when the MAC transitions from D0 to D3.  To
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
	 * prevent this we need to mask off the correctable errors on the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
	 * downstream port of the pci-e switch.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
	if (adapter->flags & FLAG_IS_QUAD_PORT) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
		struct pci_dev *us_dev = pdev->bus->self;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
		int pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
		u16 devctl;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
		pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
		                      (devctl & ~PCI_EXP_DEVCTL_CERE));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
		e1000_power_off(pdev, sleep, wake);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL, devctl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
		e1000_power_off(pdev, sleep, wake);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
#ifdef CONFIG_PCIEASPM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
	pci_disable_link_state(pdev, state);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
#else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
	int pos;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
	u16 reg16;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
	 * Both device and parent should have the same ASPM setting.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
	 * Disable ASPM in downstream component first and then upstream.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
	pos = pci_pcie_cap(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
	pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &reg16);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
	reg16 &= ~state;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
	pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
	if (!pdev->bus->self)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
	pos = pci_pcie_cap(pdev->bus->self);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
	pci_read_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, &reg16);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
	reg16 &= ~state;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
	pci_write_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, reg16);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
#endif
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	dev_info(&pdev->dev, "Disabling ASPM %s %s\n",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
		 (state & PCIE_LINK_STATE_L0S) ? "L0s" : "",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
		 (state & PCIE_LINK_STATE_L1) ? "L1" : "");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	__e1000e_disable_aspm(pdev, state);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
#ifdef CONFIG_PM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	int retval;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	bool wake;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
	struct net_device *netdev = pci_get_drvdata(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
	if (adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
		return -EBUSY;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	retval = __e1000_shutdown(pdev, &wake);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
	if (!retval)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
		e1000_complete_shutdown(pdev, true, wake);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
	return retval;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
static int e1000_resume(struct pci_dev *pdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	struct net_device *netdev = pci_get_drvdata(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
	u32 err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	if (adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
		return -EBUSY;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	pci_set_power_state(pdev, PCI_D0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
	pci_restore_state(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
	pci_save_state(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
	err = pci_enable_device_mem(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
	if (err) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
		dev_err(&pdev->dev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
			"Cannot enable PCI device from suspend\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
		return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
	pci_set_master(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
	pci_enable_wake(pdev, PCI_D3hot, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
	pci_enable_wake(pdev, PCI_D3cold, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
	e1000e_set_interrupt_capability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	if (netif_running(netdev)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
		err = e1000_request_irq(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
		if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
			return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
	e1000e_power_up_phy(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	/* report the system wakeup cause from S3/S4 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
		u16 phy_data;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
		e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
		if (phy_data) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
			e_info("PHY Wakeup cause - %s\n",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
				phy_data & E1000_WUS_EX ? "Unicast Packet" :
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
				phy_data & E1000_WUS_MC ? "Multicast Packet" :
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
				phy_data & E1000_WUS_BC ? "Broadcast Packet" :
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
				phy_data & E1000_WUS_MAG ? "Magic Packet" :
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
				phy_data & E1000_WUS_LNKC ? "Link Status "
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
				" Change" : "other");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
		e1e_wphy(&adapter->hw, BM_WUS, ~0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
		u32 wus = er32(WUS);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
		if (wus) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
			e_info("MAC Wakeup cause - %s\n",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
				wus & E1000_WUS_EX ? "Unicast Packet" :
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
				wus & E1000_WUS_MC ? "Multicast Packet" :
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
				wus & E1000_WUS_BC ? "Broadcast Packet" :
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
				wus & E1000_WUS_MAG ? "Magic Packet" :
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
				wus & E1000_WUS_LNKC ? "Link Status Change" :
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
				"other");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
		ew32(WUS, ~0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
	e1000e_reset(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	e1000_init_manageability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
	if (netif_running(netdev))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
		e1000e_up(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
	netif_device_attach(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
	 * If the controller has AMT, do not set DRV_LOAD until the interface
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
	 * is up.  For all other cases, let the f/w know that the h/w is now
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
	 * under the control of the driver.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
	if (!(adapter->flags & FLAG_HAS_AMT))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
		e1000_get_hw_control(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
#endif
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
static void e1000_shutdown(struct pci_dev *pdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
	bool wake = false;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
	struct net_device *netdev = pci_get_drvdata(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
	
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
	if (adapter->ecdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
	__e1000_shutdown(pdev, &wake);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
	if (system_state == SYSTEM_POWER_OFF)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
		e1000_complete_shutdown(pdev, false, wake);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
#ifdef CONFIG_NET_POLL_CONTROLLER
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
 * Polling 'interrupt' - used by things like netconsole to send skbs
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
 * without having to re-enable interrupts. It's not called while
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
 * the interrupt routine is executing.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
static void e1000_netpoll(struct net_device *netdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
	disable_irq(adapter->pdev->irq);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
	e1000_intr(adapter->pdev->irq, netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
	enable_irq(adapter->pdev->irq);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
#endif
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
 * e1000_io_error_detected - called when PCI error is detected
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
 * @pdev: Pointer to PCI device
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
 * @state: The current pci connection state
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
 * This function is called after a PCI bus error affecting
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
 * this device has been detected.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
						pci_channel_state_t state)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
	struct net_device *netdev = pci_get_drvdata(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
	netif_device_detach(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
	if (state == pci_channel_io_perm_failure)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
		return PCI_ERS_RESULT_DISCONNECT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	if (netif_running(netdev))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
		e1000e_down(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	pci_disable_device(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
	/* Request a slot slot reset. */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
	return PCI_ERS_RESULT_NEED_RESET;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
 * e1000_io_slot_reset - called after the pci bus has been reset.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
 * @pdev: Pointer to PCI device
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
 * Restart the card from scratch, as if from a cold-boot. Implementation
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
 * resembles the first-half of the e1000_resume routine.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
	struct net_device *netdev = pci_get_drvdata(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
	int err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
	pci_ers_result_t result;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
	err = pci_enable_device_mem(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
	if (err) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
		dev_err(&pdev->dev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
			"Cannot re-enable PCI device after reset.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
		result = PCI_ERS_RESULT_DISCONNECT;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
		pci_set_master(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
		pci_restore_state(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
		pci_save_state(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
		pci_enable_wake(pdev, PCI_D3hot, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
		pci_enable_wake(pdev, PCI_D3cold, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
		e1000e_reset(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
		ew32(WUS, ~0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
		result = PCI_ERS_RESULT_RECOVERED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
	pci_cleanup_aer_uncorrect_error_status(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
	return result;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
 * e1000_io_resume - called when traffic can start flowing again.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
 * @pdev: Pointer to PCI device
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
 * This callback is called when the error recovery driver tells us that
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
 * its OK to resume normal operation. Implementation resembles the
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
 * second-half of the e1000_resume routine.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
static void e1000_io_resume(struct pci_dev *pdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
	struct net_device *netdev = pci_get_drvdata(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
	e1000_init_manageability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
	if (netif_running(netdev)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
		if (e1000e_up(adapter)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
			dev_err(&pdev->dev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
				"can't bring device back up after reset\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
			return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
	netif_device_attach(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
	 * If the controller has AMT, do not set DRV_LOAD until the interface
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
	 * is up.  For all other cases, let the f/w know that the h/w is now
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
	 * under the control of the driver.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
	if (!(adapter->flags & FLAG_HAS_AMT))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
		e1000_get_hw_control(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
static void e1000_print_device_info(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
	struct net_device *netdev = adapter->netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
	u32 pba_num;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
	/* print bus type/speed/width info */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
	e_info("(PCI Express:2.5GB/s:%s) %pM\n",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
	       /* bus width */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
	       ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
	        "Width x1"),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
	       /* MAC address */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
	       netdev->dev_addr);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
	e_info("Intel(R) PRO/%s Network Connection\n",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
	       (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	e1000e_read_pba_num(hw, &pba_num);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
	e_info("MAC: %d, PHY: %d, PBA No: %06x-%03x\n",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
	       hw->mac.type, hw->phy.type, (pba_num >> 8), (pba_num & 0xff));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
static void e1000_eeprom_checks(struct e1000_adapter *adapter)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
	struct e1000_hw *hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
	int ret_val;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
	u16 buf = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
	if (hw->mac.type != e1000_82573)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
		return;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
	if (!ret_val && (!(le16_to_cpu(buf) & (1 << 0)))) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
		/* Deep Smart Power Down (DSPD) */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
		dev_warn(&adapter->pdev->dev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
			 "Warning: detected DSPD enabled in EEPROM\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
static const struct net_device_ops e1000e_netdev_ops = {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
	.ndo_open		= e1000_open,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
	.ndo_stop		= e1000_close,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	.ndo_start_xmit		= e1000_xmit_frame,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
	.ndo_get_stats		= e1000_get_stats,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
	.ndo_set_multicast_list	= e1000_set_multi,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
	.ndo_set_mac_address	= e1000_set_mac,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
	.ndo_change_mtu		= e1000_change_mtu,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
	.ndo_do_ioctl		= e1000_ioctl,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
	.ndo_tx_timeout		= e1000_tx_timeout,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	.ndo_validate_addr	= eth_validate_addr,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
#ifdef CONFIG_NET_POLL_CONTROLLER
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	.ndo_poll_controller	= e1000_netpoll,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
#endif
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
};
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
 * ec_poll - Ethercat poll Routine
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
 * @netdev: net device structure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
 * This function can never fail.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
void ec_poll(struct net_device *netdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
		e1000_watchdog((unsigned long) adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
		adapter->ec_watchdog_jiffies = jiffies;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
#ifdef CONFIG_PCI_MSI
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
	e1000_intr_msi(0,netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
#else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
	e1000_intr(0,netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
#endif
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
 * e1000_probe - Device Initialization Routine
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
 * @pdev: PCI device information struct
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
 * @ent: entry in e1000_pci_tbl
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
 * Returns 0 on success, negative on failure
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
 * e1000_probe initializes an adapter identified by a pci_dev structure.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
 * The OS initialization, configuring of the adapter private structure,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
 * and a hardware reset occur.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
static int __devinit e1000_probe(struct pci_dev *pdev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
				 const struct pci_device_id *ent)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
	struct net_device *netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
	struct e1000_adapter *adapter;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
	struct e1000_hw *hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
	resource_size_t mmio_start, mmio_len;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
	resource_size_t flash_start, flash_len;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
	static int cards_found;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
	int i, err, pci_using_dac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
	u16 eeprom_data = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
	if (ei->flags2 & FLAG2_DISABLE_ASPM_L1)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
	err = pci_enable_device_mem(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
		return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
	pci_using_dac = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
	if (!err) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
		err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
		if (!err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
			pci_using_dac = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
		if (err) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
			err = pci_set_consistent_dma_mask(pdev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
							  DMA_BIT_MASK(32));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
			if (err) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
				dev_err(&pdev->dev, "No usable DMA "
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
					"configuration, aborting\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
				goto err_dma;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
			}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
	err = pci_request_selected_regions_exclusive(pdev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
	                                  pci_select_bars(pdev, IORESOURCE_MEM),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
	                                  e1000e_driver_name);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
		goto err_pci_reg;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
	/* AER (Advanced Error Reporting) hooks */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
	pci_enable_pcie_error_reporting(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
	pci_set_master(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
	/* PCI config space info */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
	err = pci_save_state(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
		goto err_alloc_etherdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
	err = -ENOMEM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
	if (!netdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
		goto err_alloc_etherdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
	SET_NETDEV_DEV(netdev, &pdev->dev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
	pci_set_drvdata(pdev, netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
	adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
	hw = &adapter->hw;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
	adapter->netdev = netdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	adapter->pdev = pdev;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
	adapter->ei = ei;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
	adapter->pba = ei->pba;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
	adapter->flags = ei->flags;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
	adapter->flags2 = ei->flags2;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
	adapter->hw.adapter = adapter;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
	adapter->hw.mac.type = ei->mac;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
	adapter->max_hw_frame_size = ei->max_hw_frame_size;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
	adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
	mmio_start = pci_resource_start(pdev, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
	mmio_len = pci_resource_len(pdev, 0);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
	err = -EIO;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
	if (!adapter->hw.hw_addr)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
		goto err_ioremap;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
	if ((adapter->flags & FLAG_HAS_FLASH) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
	    (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
		flash_start = pci_resource_start(pdev, 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
		flash_len = pci_resource_len(pdev, 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
		if (!adapter->hw.flash_address)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
			goto err_flashmap;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
	/* construct the net_device struct */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
	netdev->netdev_ops		= &e1000e_netdev_ops;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
	e1000e_set_ethtool_ops(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
	netdev->watchdog_timeo		= 5 * HZ;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
	netdev->mem_start = mmio_start;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
	netdev->mem_end = mmio_start + mmio_len;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
	adapter->bd_number = cards_found++;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
	e1000e_check_options(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
	/* setup adapter struct */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
	err = e1000_sw_init(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
		goto err_sw_init;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
	err = -EIO;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
	err = ei->get_variants(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
	if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
		goto err_hw_init;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
	if ((adapter->flags & FLAG_IS_ICH) &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
	    (adapter->flags & FLAG_READ_ONLY_NVM))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
		e1000e_write_protect_nvm_ich8lan(&adapter->hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
	hw->mac.ops.get_bus_info(&adapter->hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
	adapter->hw.phy.autoneg_wait_to_complete = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
	/* Copper options */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
		adapter->hw.phy.mdix = AUTO_ALL_MODES;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
		adapter->hw.phy.disable_polarity_correction = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
		adapter->hw.phy.ms_type = e1000_ms_hw_default;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
	if (e1000_check_reset_block(&adapter->hw))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
		e_info("PHY reset is blocked due to SOL/IDER session.\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
	netdev->features = NETIF_F_SG |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
			   NETIF_F_HW_CSUM |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
			   NETIF_F_HW_VLAN_TX |
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
			   NETIF_F_HW_VLAN_RX;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
		netdev->features |= NETIF_F_HW_VLAN_FILTER;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
	netdev->features |= NETIF_F_TSO;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
	netdev->features |= NETIF_F_TSO6;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
	netdev->vlan_features |= NETIF_F_TSO;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
	netdev->vlan_features |= NETIF_F_TSO6;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
	netdev->vlan_features |= NETIF_F_HW_CSUM;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
	netdev->vlan_features |= NETIF_F_SG;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
	if (pci_using_dac)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
		netdev->features |= NETIF_F_HIGHDMA;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
	if (e1000e_enable_mng_pass_thru(&adapter->hw))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
		adapter->flags |= FLAG_MNG_PT_ENABLED;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
	 * before reading the NVM, reset the controller to
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
	 * put the device in a known good starting state
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
	adapter->hw.mac.ops.reset_hw(&adapter->hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
	 * systems with ASPM and others may see the checksum fail on the first
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
	 * attempt. Let's give it a few tries
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
	for (i = 0;; i++) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
		if (e1000_validate_nvm_checksum(&adapter->hw) >= 0)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
			break;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
		if (i == 2) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
			e_err("The NVM Checksum Is Not Valid\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
			err = -EIO;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
			goto err_eeprom;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
	e1000_eeprom_checks(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
	/* copy the MAC address */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
	if (e1000e_read_mac_addr(&adapter->hw))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
		e_err("NVM Read Error while reading MAC address\n");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
	memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
	if (!is_valid_ether_addr(netdev->perm_addr)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
		e_err("Invalid MAC Address: %pM\n", netdev->perm_addr);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
		err = -EIO;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
		goto err_eeprom;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
	init_timer(&adapter->watchdog_timer);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
	adapter->watchdog_timer.function = &e1000_watchdog;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
	adapter->watchdog_timer.data = (unsigned long) adapter;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
	init_timer(&adapter->phy_info_timer);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
	adapter->phy_info_timer.function = &e1000_update_phy_info;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
	adapter->phy_info_timer.data = (unsigned long) adapter;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
	INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
	/* Initialize link parameters. User can change them with ethtool */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
	adapter->hw.mac.autoneg = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
	adapter->fc_autoneg = 1;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
	adapter->hw.fc.requested_mode = e1000_fc_default;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
	adapter->hw.fc.current_mode = e1000_fc_default;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
	adapter->hw.phy.autoneg_advertised = 0x2f;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
	/* ring size defaults */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
	adapter->rx_ring->count = 256;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
	adapter->tx_ring->count = 256;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
	 * Initial Wake on LAN setting - If APM wake is enabled in
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
	 * the EEPROM, enable the ACPI Magic Packet filter
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
	if (adapter->flags & FLAG_APME_IN_WUC) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
		/* APME bit in EEPROM is mapped to WUC.APME */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
		eeprom_data = er32(WUC);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
		eeprom_apme_mask = E1000_WUC_APME;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
		if (eeprom_data & E1000_WUC_PHY_WAKE)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
			adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
	} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
		if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
		    (adapter->hw.bus.func == 1))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
			e1000_read_nvm(&adapter->hw,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
				NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
		else
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
			e1000_read_nvm(&adapter->hw,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
				NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
	/* fetch WoL from EEPROM */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
	if (eeprom_data & eeprom_apme_mask)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
		adapter->eeprom_wol |= E1000_WUFC_MAG;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
	 * now that we have the eeprom settings, apply the special cases
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
	 * where the eeprom may be wrong or the board simply won't support
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
	 * wake on lan on a particular port
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
	if (!(adapter->flags & FLAG_HAS_WOL))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
		adapter->eeprom_wol = 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
	/* initialize the wol settings based on the eeprom settings */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
	adapter->wol = adapter->eeprom_wol;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
	/* save off EEPROM version number */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
	/* reset the hardware with the new settings */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
	e1000e_reset(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
	 * If the controller has AMT, do not set DRV_LOAD until the interface
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
	 * is up.  For all other cases, let the f/w know that the h/w is now
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
	 * under the control of the driver.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
	if (!(adapter->flags & FLAG_HAS_AMT))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
		e1000_get_hw_control(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
	adapter->ecdev = ecdev_offer(netdev,ec_poll,THIS_MODULE);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
	if (adapter->ecdev) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
		if (ecdev_open(adapter->ecdev)) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
			ecdev_withdraw(adapter->ecdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
			goto err_register;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
		}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
		strcpy(netdev->name, "eth%d");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
		err = register_netdev(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
		if (err)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
			goto err_register;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
		/* carrier off reporting is important to ethtool even BEFORE open */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
		netif_carrier_off(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
	e1000_print_device_info(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
	return 0;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
err_register:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
	if (!(adapter->flags & FLAG_HAS_AMT))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
		e1000_release_hw_control(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
err_eeprom:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
	if (!e1000_check_reset_block(&adapter->hw))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
		e1000_phy_hw_reset(&adapter->hw);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
err_hw_init:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
	kfree(adapter->tx_ring);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
	kfree(adapter->rx_ring);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
err_sw_init:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
	if (adapter->hw.flash_address)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
		iounmap(adapter->hw.flash_address);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
	e1000e_reset_interrupt_capability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
err_flashmap:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
	iounmap(adapter->hw.hw_addr);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
err_ioremap:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
	free_netdev(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
err_alloc_etherdev:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
	pci_release_selected_regions(pdev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
	                             pci_select_bars(pdev, IORESOURCE_MEM));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
err_pci_reg:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
err_dma:
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
	pci_disable_device(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
	return err;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
 * e1000_remove - Device Removal Routine
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
 * @pdev: PCI device information struct
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
 * e1000_remove is called by the PCI subsystem to alert the driver
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
 * that it should release a PCI device.  The could be caused by a
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
 * Hot-Plug event, or because the driver is going to be removed from
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
 * memory.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
static void __devexit e1000_remove(struct pci_dev *pdev)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
	struct net_device *netdev = pci_get_drvdata(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
	struct e1000_adapter *adapter = netdev_priv(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
	 * flush_scheduled work may reschedule our watchdog task, so
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
	 * explicitly disable watchdog tasks from being rescheduled
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
	set_bit(__E1000_DOWN, &adapter->state);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
	del_timer_sync(&adapter->watchdog_timer);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
	del_timer_sync(&adapter->phy_info_timer);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
	cancel_work_sync(&adapter->reset_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
	cancel_work_sync(&adapter->watchdog_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
	cancel_work_sync(&adapter->downshift_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
	cancel_work_sync(&adapter->update_phy_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
	cancel_work_sync(&adapter->print_hang_task);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
	flush_scheduled_work();
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
	if (!(netdev->flags & IFF_UP))
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
		e1000_power_down_phy(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
	if (adapter->ecdev) {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
		ecdev_close(adapter->ecdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
		ecdev_withdraw(adapter->ecdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
	} else {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
		unregister_netdev(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
	}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
	/*
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
	 * would have already happened in close and is redundant.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
	 */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
	e1000_release_hw_control(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
	e1000e_reset_interrupt_capability(adapter);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
	kfree(adapter->tx_ring);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
	kfree(adapter->rx_ring);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
	iounmap(adapter->hw.hw_addr);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
	if (adapter->hw.flash_address)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
		iounmap(adapter->hw.flash_address);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
	pci_release_selected_regions(pdev,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
	                             pci_select_bars(pdev, IORESOURCE_MEM));
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
	free_netdev(netdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
	/* AER disable */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
	pci_disable_pcie_error_reporting(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
	pci_disable_device(pdev);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
/* PCI Error Recovery (ERS) */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
static struct pci_error_handlers e1000_err_handler = {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
	.error_detected = e1000_io_error_detected,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
	.slot_reset = e1000_io_slot_reset,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
	.resume = e1000_io_resume,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
};
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP), board_82571 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
	  board_80003es2lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
	  board_80003es2lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_DPT),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
	  board_80003es2lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
	  board_80003es2lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_AMT), board_ich8lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LM), board_ich9lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
	{ }	/* terminate list */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
};
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
//MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
/* PCI Device API Driver */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
static struct pci_driver e1000_driver = {
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
	.name     = e1000e_driver_name,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
	.id_table = e1000_pci_tbl,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
	.probe    = e1000_probe,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
	.remove   = __devexit_p(e1000_remove),
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
#ifdef CONFIG_PM
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
	/* Power Management Hooks */
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
	.suspend  = e1000_suspend,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
	.resume   = e1000_resume,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
#endif
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
	.shutdown = e1000_shutdown,
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
	.err_handler = &e1000_err_handler
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
};
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
 * e1000_init_module - Driver Registration Routine
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
 * e1000_init_module is the first routine called when the driver is
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
 * loaded. All it does is register with the PCI subsystem.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
static int __init e1000_init_module(void)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
	int ret;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
	printk(KERN_INFO "%s: Ethercat-capable Intel(R) PRO/1000 Network Driver - %s\n",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
	       e1000e_driver_name, e1000e_driver_version);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
	printk(KERN_INFO "%s: Copyright (c) 1999 - 2009 Intel Corporation.\n",
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
	       e1000e_driver_name);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
	ret = pci_register_driver(&e1000_driver);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
	return ret;
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
module_init(e1000_init_module);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
/**
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
 * e1000_exit_module - Driver Exit Cleanup Routine
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
 *
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
 * e1000_exit_module is called just before the driver is removed
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
 * from memory.
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
 **/
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
static void __exit e1000_exit_module(void)
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
{
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
	pci_unregister_driver(&e1000_driver);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
}
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
module_exit(e1000_exit_module);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
MODULE_DESCRIPTION("Ethercat-capable Intel(R) PRO/1000 Network Driver");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
MODULE_LICENSE("GPL");
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
MODULE_VERSION(DRV_VERSION);
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
37c77787ea29 Added e1000e driver for 2.6.34. Thanks to Siwei Zhuang.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
/* e1000_main.c */