devices/e1000e/netdev-2.6.33-orig.c
author Gavin Lambert <gavinl@compacsort.com>
Tue, 14 Apr 2015 09:33:24 -0400
changeset 2618 3affe9cd0b66
parent 2174 cedacf485d81
permissions -rw-r--r--
Ignore NXIO error otherwise this causes spam if network is empty or refclk not
selected yet, and syncing refclk time to master.
2174
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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 <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.h"
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#define DRV_VERSION "1.0.2-k2"
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char e1000e_driver_name[] = "e1000e";
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const char e1000e_driver_version[] = DRV_VERSION;
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static const struct e1000_info *e1000_info_tbl[] = {
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	[board_82571]		= &e1000_82571_info,
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	[board_82572]		= &e1000_82572_info,
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	[board_82573]		= &e1000_82573_info,
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	[board_82574]		= &e1000_82574_info,
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	[board_82583]		= &e1000_82583_info,
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	[board_80003es2lan]	= &e1000_es2_info,
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	[board_ich8lan]		= &e1000_ich8_info,
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	[board_ich9lan]		= &e1000_ich9_info,
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	[board_ich10lan]	= &e1000_ich10_info,
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	[board_pchlan]		= &e1000_pch_info,
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};
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/**
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 * e1000_desc_unused - calculate if we have unused descriptors
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 **/
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static int e1000_desc_unused(struct e1000_ring *ring)
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{
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	if (ring->next_to_clean > ring->next_to_use)
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		return ring->next_to_clean - ring->next_to_use - 1;
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	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
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}
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/**
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 * e1000_receive_skb - helper function to handle Rx indications
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 * @adapter: board private structure
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 * @status: descriptor status field as written by hardware
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 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
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 * @skb: pointer to sk_buff to be indicated to stack
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 **/
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static void e1000_receive_skb(struct e1000_adapter *adapter,
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			      struct net_device *netdev,
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			      struct sk_buff *skb,
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			      u8 status, __le16 vlan)
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{
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	skb->protocol = eth_type_trans(skb, netdev);
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	if (adapter->vlgrp && (status & E1000_RXD_STAT_VP))
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		vlan_gro_receive(&adapter->napi, adapter->vlgrp,
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				 le16_to_cpu(vlan), skb);
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	else
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		napi_gro_receive(&adapter->napi, skb);
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}
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/**
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 * e1000_rx_checksum - Receive Checksum Offload for 82543
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 * @adapter:     board private structure
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 * @status_err:  receive descriptor status and error fields
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 * @csum:	receive descriptor csum field
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 * @sk_buff:     socket buffer with received data
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 **/
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static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
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			      u32 csum, struct sk_buff *skb)
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{
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	u16 status = (u16)status_err;
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	u8 errors = (u8)(status_err >> 24);
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	skb->ip_summed = CHECKSUM_NONE;
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	/* Ignore Checksum bit is set */
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	if (status & E1000_RXD_STAT_IXSM)
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		return;
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	/* TCP/UDP checksum error bit is set */
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	if (errors & E1000_RXD_ERR_TCPE) {
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		/* let the stack verify checksum errors */
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		adapter->hw_csum_err++;
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		return;
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	}
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	/* TCP/UDP Checksum has not been calculated */
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	if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
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		return;
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	/* It must be a TCP or UDP packet with a valid checksum */
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	if (status & E1000_RXD_STAT_TCPCS) {
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		/* TCP checksum is good */
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		skb->ip_summed = CHECKSUM_UNNECESSARY;
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	} else {
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		/*
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		 * IP fragment with UDP payload
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parents:
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   135
		 * Hardware complements the payload checksum, so we undo it
cedacf485d81 Added e1000e driver for 2.6.33.
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parents:
diff changeset
   136
		 * and then put the value in host order for further stack use.
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parents:
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   137
		 */
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parents:
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   138
		__sum16 sum = (__force __sum16)htons(csum);
cedacf485d81 Added e1000e driver for 2.6.33.
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parents:
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   139
		skb->csum = csum_unfold(~sum);
cedacf485d81 Added e1000e driver for 2.6.33.
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   140
		skb->ip_summed = CHECKSUM_COMPLETE;
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parents:
diff changeset
   141
	}
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   142
	adapter->hw_csum_good++;
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parents:
diff changeset
   143
}
cedacf485d81 Added e1000e driver for 2.6.33.
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diff changeset
   144
cedacf485d81 Added e1000e driver for 2.6.33.
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parents:
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   145
/**
cedacf485d81 Added e1000e driver for 2.6.33.
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   146
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
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   147
 * @adapter: address of board private structure
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   148
 **/
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   149
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
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   150
				   int cleaned_count)
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   151
{
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   152
	struct net_device *netdev = adapter->netdev;
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   153
	struct pci_dev *pdev = adapter->pdev;
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   154
	struct e1000_ring *rx_ring = adapter->rx_ring;
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   155
	struct e1000_rx_desc *rx_desc;
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   156
	struct e1000_buffer *buffer_info;
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   157
	struct sk_buff *skb;
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parents:
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   158
	unsigned int i;
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   159
	unsigned int bufsz = adapter->rx_buffer_len;
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   160
cedacf485d81 Added e1000e driver for 2.6.33.
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parents:
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   161
	i = rx_ring->next_to_use;
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   162
	buffer_info = &rx_ring->buffer_info[i];
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   163
cedacf485d81 Added e1000e driver for 2.6.33.
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parents:
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   164
	while (cleaned_count--) {
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   165
		skb = buffer_info->skb;
cedacf485d81 Added e1000e driver for 2.6.33.
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parents:
diff changeset
   166
		if (skb) {
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parents:
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   167
			skb_trim(skb, 0);
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parents:
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   168
			goto map_skb;
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parents:
diff changeset
   169
		}
cedacf485d81 Added e1000e driver for 2.6.33.
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parents:
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   170
cedacf485d81 Added e1000e driver for 2.6.33.
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diff changeset
   171
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
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parents:
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   172
		if (!skb) {
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parents:
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   173
			/* Better luck next round */
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parents:
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   174
			adapter->alloc_rx_buff_failed++;
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   175
			break;
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parents:
diff changeset
   176
		}
cedacf485d81 Added e1000e driver for 2.6.33.
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   177
cedacf485d81 Added e1000e driver for 2.6.33.
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   178
		buffer_info->skb = skb;
cedacf485d81 Added e1000e driver for 2.6.33.
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parents:
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   179
map_skb:
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   180
		buffer_info->dma = pci_map_single(pdev, skb->data,
cedacf485d81 Added e1000e driver for 2.6.33.
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parents:
diff changeset
   181
						  adapter->rx_buffer_len,
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   182
						  PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
		if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   184
			dev_err(&pdev->dev, "RX DMA map failed\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   185
			adapter->rx_dma_failed++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
		rx_desc = E1000_RX_DESC(*rx_ring, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
		i++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
		if (i == rx_ring->count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
			i = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
		buffer_info = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
	if (rx_ring->next_to_use != i) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
		rx_ring->next_to_use = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
		if (i-- == 0)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
			i = (rx_ring->count - 1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
		 * Force memory writes to complete before letting h/w
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
		 * know there are new descriptors to fetch.  (Only
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
		 * applicable for weak-ordered memory model archs,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
		 * such as IA-64).
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
		wmb();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
		writel(i, adapter->hw.hw_addr + rx_ring->tail);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
 * @adapter: address of board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
				      int cleaned_count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
	struct pci_dev *pdev = adapter->pdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
	union e1000_rx_desc_packet_split *rx_desc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
	struct e1000_ring *rx_ring = adapter->rx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
	struct e1000_buffer *buffer_info;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
	struct e1000_ps_page *ps_page;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
	struct sk_buff *skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
	unsigned int i, j;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
	i = rx_ring->next_to_use;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
	buffer_info = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
	while (cleaned_count--) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
			ps_page = &buffer_info->ps_pages[j];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
			if (j >= adapter->rx_ps_pages) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
				/* all unused desc entries get hw null ptr */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
				rx_desc->read.buffer_addr[j+1] = ~cpu_to_le64(0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
				continue;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
			if (!ps_page->page) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
				ps_page->page = alloc_page(GFP_ATOMIC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
				if (!ps_page->page) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
					adapter->alloc_rx_buff_failed++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
					goto no_buffers;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
				}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
				ps_page->dma = pci_map_page(pdev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
						   ps_page->page,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
						   0, PAGE_SIZE,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
						   PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
				if (pci_dma_mapping_error(pdev, ps_page->dma)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
					dev_err(&adapter->pdev->dev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
					  "RX DMA page map failed\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
					adapter->rx_dma_failed++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
					goto no_buffers;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
				}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
			/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
			 * Refresh the desc even if buffer_addrs
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
			 * didn't change because each write-back
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
			 * erases this info.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
			 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
			rx_desc->read.buffer_addr[j+1] =
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
			     cpu_to_le64(ps_page->dma);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
		skb = netdev_alloc_skb_ip_align(netdev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
						adapter->rx_ps_bsize0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
		if (!skb) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
			adapter->alloc_rx_buff_failed++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
		buffer_info->skb = skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
		buffer_info->dma = pci_map_single(pdev, skb->data,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
						  adapter->rx_ps_bsize0,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
						  PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
		if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
			dev_err(&pdev->dev, "RX DMA map failed\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
			adapter->rx_dma_failed++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
			/* cleanup skb */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
			dev_kfree_skb_any(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
			buffer_info->skb = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
		i++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
		if (i == rx_ring->count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
			i = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
		buffer_info = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
no_buffers:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
	if (rx_ring->next_to_use != i) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
		rx_ring->next_to_use = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
		if (!(i--))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
			i = (rx_ring->count - 1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
		 * Force memory writes to complete before letting h/w
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
		 * know there are new descriptors to fetch.  (Only
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
		 * applicable for weak-ordered memory model archs,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
		 * such as IA-64).
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
		wmb();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
		 * Hardware increments by 16 bytes, but packet split
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
		 * descriptors are 32 bytes...so we increment tail
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
		 * twice as much.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
		writel(i<<1, adapter->hw.hw_addr + rx_ring->tail);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
 * @adapter: address of board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
 * @cleaned_count: number of buffers to allocate this pass
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
                                         int cleaned_count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
	struct pci_dev *pdev = adapter->pdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
	struct e1000_rx_desc *rx_desc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
	struct e1000_ring *rx_ring = adapter->rx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
	struct e1000_buffer *buffer_info;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
	struct sk_buff *skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
	unsigned int i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
	unsigned int bufsz = 256 - 16 /* for skb_reserve */;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
	i = rx_ring->next_to_use;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
	buffer_info = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
	while (cleaned_count--) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
		skb = buffer_info->skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		if (skb) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
			skb_trim(skb, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
			goto check_page;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
		if (unlikely(!skb)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
			/* Better luck next round */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
			adapter->alloc_rx_buff_failed++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
		buffer_info->skb = skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
check_page:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
		/* allocate a new page if necessary */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
		if (!buffer_info->page) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
			buffer_info->page = alloc_page(GFP_ATOMIC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
			if (unlikely(!buffer_info->page)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
				adapter->alloc_rx_buff_failed++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
				break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
		if (!buffer_info->dma)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
			buffer_info->dma = pci_map_page(pdev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
			                                buffer_info->page, 0,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
			                                PAGE_SIZE,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
			                                PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
		rx_desc = E1000_RX_DESC(*rx_ring, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
		if (unlikely(++i == rx_ring->count))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
			i = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
		buffer_info = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
	if (likely(rx_ring->next_to_use != i)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
		rx_ring->next_to_use = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
		if (unlikely(i-- == 0))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
			i = (rx_ring->count - 1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
		/* Force memory writes to complete before letting h/w
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
		 * know there are new descriptors to fetch.  (Only
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
		 * applicable for weak-ordered memory model archs,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
		 * such as IA-64). */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
		wmb();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
		writel(i, adapter->hw.hw_addr + rx_ring->tail);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
 * the return value indicates whether actual cleaning was done, there
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
 * is no guarantee that everything was cleaned
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
			       int *work_done, int work_to_do)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
	struct pci_dev *pdev = adapter->pdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
	struct e1000_ring *rx_ring = adapter->rx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
	struct e1000_rx_desc *rx_desc, *next_rxd;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
	struct e1000_buffer *buffer_info, *next_buffer;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
	u32 length;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
	unsigned int i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
	int cleaned_count = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
	bool cleaned = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
	i = rx_ring->next_to_clean;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
	rx_desc = E1000_RX_DESC(*rx_ring, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
	buffer_info = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	while (rx_desc->status & E1000_RXD_STAT_DD) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
		struct sk_buff *skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
		u8 status;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
		if (*work_done >= work_to_do)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
		(*work_done)++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
		status = rx_desc->status;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
		skb = buffer_info->skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
		buffer_info->skb = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
		prefetch(skb->data - NET_IP_ALIGN);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
		i++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
		if (i == rx_ring->count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
			i = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
		next_rxd = E1000_RX_DESC(*rx_ring, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
		prefetch(next_rxd);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
		next_buffer = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
		cleaned = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
		cleaned_count++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
		pci_unmap_single(pdev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
				 buffer_info->dma,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
				 adapter->rx_buffer_len,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
				 PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
		buffer_info->dma = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
		length = le16_to_cpu(rx_desc->length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
		 * !EOP means multiple descriptors were used to store a single
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
		 * packet, if that's the case we need to toss it.  In fact, we
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
		 * need to toss every packet with the EOP bit clear and the
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
		 * next frame that _does_ have the EOP bit set, as it is by
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
		 * definition only a frame fragment
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
			adapter->flags2 |= FLAG2_IS_DISCARDING;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
			/* All receives must fit into a single buffer */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
			e_dbg("Receive packet consumed multiple buffers\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
			/* recycle */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
			buffer_info->skb = skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
			if (status & E1000_RXD_STAT_EOP)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
			goto next_desc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
		if (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
			/* recycle */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
			buffer_info->skb = skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
			goto next_desc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
		/* adjust length to remove Ethernet CRC */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
			length -= 4;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
		total_rx_bytes += length;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
		total_rx_packets++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
		 * code added for copybreak, this should improve
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
		 * performance for small packets with large amounts
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
		 * of reassembly being done in the stack
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
		if (length < copybreak) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
			struct sk_buff *new_skb =
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
			    netdev_alloc_skb_ip_align(netdev, length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
			if (new_skb) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
				skb_copy_to_linear_data_offset(new_skb,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
							       -NET_IP_ALIGN,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
							       (skb->data -
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
								NET_IP_ALIGN),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
							       (length +
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
								NET_IP_ALIGN));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
				/* save the skb in buffer_info as good */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
				buffer_info->skb = skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
				skb = new_skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
			/* else just continue with the old one */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
		/* end copybreak code */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
		skb_put(skb, length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
		/* Receive Checksum Offload */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
		e1000_rx_checksum(adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
				  (u32)(status) |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
				  ((u32)(rx_desc->errors) << 24),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
				  le16_to_cpu(rx_desc->csum), skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
		e1000_receive_skb(adapter, netdev, skb,status,rx_desc->special);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
next_desc:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
		rx_desc->status = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
		/* return some buffers to hardware, one at a time is too slow */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
			adapter->alloc_rx_buf(adapter, cleaned_count);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
			cleaned_count = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		/* use prefetched values */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
		rx_desc = next_rxd;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
		buffer_info = next_buffer;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	rx_ring->next_to_clean = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	cleaned_count = e1000_desc_unused(rx_ring);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	if (cleaned_count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
		adapter->alloc_rx_buf(adapter, cleaned_count);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	adapter->total_rx_bytes += total_rx_bytes;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
	adapter->total_rx_packets += total_rx_packets;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
	netdev->stats.rx_bytes += total_rx_bytes;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
	netdev->stats.rx_packets += total_rx_packets;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
	return cleaned;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
static void e1000_put_txbuf(struct e1000_adapter *adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
			     struct e1000_buffer *buffer_info)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	if (buffer_info->dma) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
		if (buffer_info->mapped_as_page)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
			pci_unmap_page(adapter->pdev, buffer_info->dma,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
				       buffer_info->length, PCI_DMA_TODEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
		else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
			pci_unmap_single(adapter->pdev,	buffer_info->dma,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
					 buffer_info->length,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
					 PCI_DMA_TODEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
		buffer_info->dma = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
	if (buffer_info->skb) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
		dev_kfree_skb_any(buffer_info->skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
		buffer_info->skb = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
	buffer_info->time_stamp = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
static void e1000_print_hw_hang(struct work_struct *work)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
	struct e1000_adapter *adapter = container_of(work,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	                                             struct e1000_adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
	                                             print_hang_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	unsigned int i = tx_ring->next_to_clean;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
	struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
	u16 phy_status, phy_1000t_status, phy_ext_status;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	u16 pci_status;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	e1e_rphy(hw, PHY_STATUS, &phy_status);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	/* detected Hardware unit hang */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	e_err("Detected Hardware Unit Hang:\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	      "  TDH                  <%x>\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	      "  TDT                  <%x>\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	      "  next_to_use          <%x>\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	      "  next_to_clean        <%x>\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	      "buffer_info[next_to_clean]:\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	      "  time_stamp           <%lx>\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	      "  next_to_watch        <%x>\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	      "  jiffies              <%lx>\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	      "  next_to_watch.status <%x>\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	      "MAC Status             <%x>\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	      "PHY Status             <%x>\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	      "PHY 1000BASE-T Status  <%x>\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	      "PHY Extended Status    <%x>\n"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
	      "PCI Status             <%x>\n",
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	      readl(adapter->hw.hw_addr + tx_ring->head),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
	      readl(adapter->hw.hw_addr + tx_ring->tail),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
	      tx_ring->next_to_use,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
	      tx_ring->next_to_clean,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
	      tx_ring->buffer_info[eop].time_stamp,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	      eop,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
	      jiffies,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
	      eop_desc->upper.fields.status,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
	      er32(STATUS),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
	      phy_status,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
	      phy_1000t_status,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
	      phy_ext_status,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
	      pci_status);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
 * the return value indicates whether actual cleaning was done, there
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
 * is no guarantee that everything was cleaned
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	struct e1000_tx_desc *tx_desc, *eop_desc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
	struct e1000_buffer *buffer_info;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
	unsigned int i, eop;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
	unsigned int count = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
	unsigned int total_tx_bytes = 0, total_tx_packets = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
	i = tx_ring->next_to_clean;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
	eop = tx_ring->buffer_info[i].next_to_watch;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
	       (count < tx_ring->count)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
		bool cleaned = false;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
		for (; !cleaned; count++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
			tx_desc = E1000_TX_DESC(*tx_ring, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
			buffer_info = &tx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
			cleaned = (i == eop);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
			if (cleaned) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
				struct sk_buff *skb = buffer_info->skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
				unsigned int segs, bytecount;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
				segs = skb_shinfo(skb)->gso_segs ?: 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
				/* multiply data chunks by size of headers */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
				bytecount = ((segs - 1) * skb_headlen(skb)) +
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
					    skb->len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
				total_tx_packets += segs;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
				total_tx_bytes += bytecount;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
			e1000_put_txbuf(adapter, buffer_info);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
			tx_desc->upper.data = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
			i++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
			if (i == tx_ring->count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
				i = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		if (i == tx_ring->next_to_use)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
		eop = tx_ring->buffer_info[i].next_to_watch;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
	tx_ring->next_to_clean = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
#define TX_WAKE_THRESHOLD 32
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	if (count && netif_carrier_ok(netdev) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
	    e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
		/* Make sure that anybody stopping the queue after this
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
		 * sees the new next_to_clean.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
		smp_mb();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
		if (netif_queue_stopped(netdev) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
		    !(test_bit(__E1000_DOWN, &adapter->state))) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
			netif_wake_queue(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
			++adapter->restart_queue;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	if (adapter->detect_tx_hung) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
		 * Detect a transmit hang in hardware, this serializes the
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
		 * check with the clearing of time_stamp and movement of i
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
		adapter->detect_tx_hung = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
		if (tx_ring->buffer_info[i].time_stamp &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
			       + (adapter->tx_timeout_factor * HZ)) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
			schedule_work(&adapter->print_hang_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
			netif_stop_queue(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
	adapter->total_tx_bytes += total_tx_bytes;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	adapter->total_tx_packets += total_tx_packets;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
	netdev->stats.tx_bytes += total_tx_bytes;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
	netdev->stats.tx_packets += total_tx_packets;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
	return (count < tx_ring->count);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
 * the return value indicates whether actual cleaning was done, there
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
 * is no guarantee that everything was cleaned
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
				  int *work_done, int work_to_do)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
	struct pci_dev *pdev = adapter->pdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
	struct e1000_ring *rx_ring = adapter->rx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
	struct e1000_buffer *buffer_info, *next_buffer;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
	struct e1000_ps_page *ps_page;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
	struct sk_buff *skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
	unsigned int i, j;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
	u32 length, staterr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
	int cleaned_count = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	bool cleaned = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
	i = rx_ring->next_to_clean;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
	buffer_info = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	while (staterr & E1000_RXD_STAT_DD) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
		if (*work_done >= work_to_do)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
		(*work_done)++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		skb = buffer_info->skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
		/* in the packet split case this is header only */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
		prefetch(skb->data - NET_IP_ALIGN);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
		i++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		if (i == rx_ring->count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
			i = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
		prefetch(next_rxd);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
		next_buffer = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
		cleaned = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
		cleaned_count++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
		pci_unmap_single(pdev, buffer_info->dma,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
				 adapter->rx_ps_bsize0,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
				 PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
		buffer_info->dma = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
		/* see !EOP comment in other rx routine */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
		if (!(staterr & E1000_RXD_STAT_EOP))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
			adapter->flags2 |= FLAG2_IS_DISCARDING;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
			e_dbg("Packet Split buffers didn't pick up the full "
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
			      "packet\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
			dev_kfree_skb_irq(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
			if (staterr & E1000_RXD_STAT_EOP)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
			goto next_desc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
		if (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
			dev_kfree_skb_irq(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
			goto next_desc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
		length = le16_to_cpu(rx_desc->wb.middle.length0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
		if (!length) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
			e_dbg("Last part of the packet spanning multiple "
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
			      "descriptors\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
			dev_kfree_skb_irq(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
			goto next_desc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
		/* Good Receive */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
		skb_put(skb, length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
		{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
		 * this looks ugly, but it seems compiler issues make it
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
		 * more efficient than reusing j
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
		 * page alloc/put takes too long and effects small packet
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
		 * throughput, so unsplit small packets and save the alloc/put
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
		 * only valid in softirq (napi) context to call kmap_*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
		if (l1 && (l1 <= copybreak) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
		    ((length + l1) <= adapter->rx_ps_bsize0)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
			u8 *vaddr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
			ps_page = &buffer_info->ps_pages[0];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
			/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
			 * there is no documentation about how to call
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
			 * kmap_atomic, so we can't hold the mapping
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
			 * very long
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
			 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
			pci_dma_sync_single_for_cpu(pdev, ps_page->dma,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
			vaddr = kmap_atomic(ps_page->page, KM_SKB_DATA_SOFTIRQ);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
			memcpy(skb_tail_pointer(skb), vaddr, l1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
			pci_dma_sync_single_for_device(pdev, ps_page->dma,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
				PAGE_SIZE, PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
			/* remove the CRC */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
			if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
				l1 -= 4;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
			skb_put(skb, l1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
			goto copydone;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
		} /* if */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
			length = le16_to_cpu(rx_desc->wb.upper.length[j]);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
			if (!length)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
				break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
			ps_page = &buffer_info->ps_pages[j];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
			pci_unmap_page(pdev, ps_page->dma, PAGE_SIZE,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
				       PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
			ps_page->dma = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
			skb_fill_page_desc(skb, j, ps_page->page, 0, length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
			ps_page->page = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
			skb->len += length;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
			skb->data_len += length;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
			skb->truesize += length;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
		/* strip the ethernet crc, problem is we're using pages now so
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
		 * this whole operation can get a little cpu intensive
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
			pskb_trim(skb, skb->len - 4);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
copydone:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
		total_rx_bytes += skb->len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
		total_rx_packets++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
		e1000_rx_checksum(adapter, staterr, le16_to_cpu(
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
			rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
		if (rx_desc->wb.upper.header_status &
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
			adapter->rx_hdr_split++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
		e1000_receive_skb(adapter, netdev, skb,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
				  staterr, rx_desc->wb.middle.vlan);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
next_desc:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
		buffer_info->skb = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
		/* return some buffers to hardware, one at a time is too slow */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
			adapter->alloc_rx_buf(adapter, cleaned_count);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
			cleaned_count = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		/* use prefetched values */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
		rx_desc = next_rxd;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
		buffer_info = next_buffer;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	rx_ring->next_to_clean = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	cleaned_count = e1000_desc_unused(rx_ring);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
	if (cleaned_count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
		adapter->alloc_rx_buf(adapter, cleaned_count);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	adapter->total_rx_bytes += total_rx_bytes;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	adapter->total_rx_packets += total_rx_packets;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	netdev->stats.rx_bytes += total_rx_bytes;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	netdev->stats.rx_packets += total_rx_packets;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
	return cleaned;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
 * e1000_consume_page - helper function
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
                               u16 length)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
	bi->page = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	skb->len += length;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	skb->data_len += length;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	skb->truesize += length;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
 * the return value indicates whether actual cleaning was done, there
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
 * is no guarantee that everything was cleaned
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
                                     int *work_done, int work_to_do)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	struct pci_dev *pdev = adapter->pdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	struct e1000_ring *rx_ring = adapter->rx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	struct e1000_rx_desc *rx_desc, *next_rxd;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	struct e1000_buffer *buffer_info, *next_buffer;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	u32 length;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	unsigned int i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	int cleaned_count = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	bool cleaned = false;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	unsigned int total_rx_bytes=0, total_rx_packets=0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	i = rx_ring->next_to_clean;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	rx_desc = E1000_RX_DESC(*rx_ring, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	buffer_info = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	while (rx_desc->status & E1000_RXD_STAT_DD) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
		struct sk_buff *skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
		u8 status;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
		if (*work_done >= work_to_do)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
		(*work_done)++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
		status = rx_desc->status;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
		skb = buffer_info->skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
		buffer_info->skb = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
		++i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
		if (i == rx_ring->count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
			i = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
		next_rxd = E1000_RX_DESC(*rx_ring, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
		prefetch(next_rxd);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
		next_buffer = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
		cleaned = true;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
		cleaned_count++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
		pci_unmap_page(pdev, buffer_info->dma, PAGE_SIZE,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
		               PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
		buffer_info->dma = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
		length = le16_to_cpu(rx_desc->length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
		/* errors is only valid for DD + EOP descriptors */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
		if (unlikely((status & E1000_RXD_STAT_EOP) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
				/* recycle both page and skb */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
				buffer_info->skb = skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
				/* an error means any chain goes out the window
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
				 * too */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
				if (rx_ring->rx_skb_top)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
					dev_kfree_skb(rx_ring->rx_skb_top);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
				rx_ring->rx_skb_top = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
				goto next_desc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
#define rxtop rx_ring->rx_skb_top
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
		if (!(status & E1000_RXD_STAT_EOP)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
			/* this descriptor is only the beginning (or middle) */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
			if (!rxtop) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
				/* this is the beginning of a chain */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
				rxtop = skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
				                   0, length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
			} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
				/* this is the middle of a chain */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
				skb_fill_page_desc(rxtop,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
				    skb_shinfo(rxtop)->nr_frags,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
				    buffer_info->page, 0, length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
				/* re-use the skb, only consumed the page */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
				buffer_info->skb = skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
			e1000_consume_page(buffer_info, rxtop, length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
			goto next_desc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
		} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
			if (rxtop) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
				/* end of the chain */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
				skb_fill_page_desc(rxtop,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
				    skb_shinfo(rxtop)->nr_frags,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
				    buffer_info->page, 0, length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
				/* re-use the current skb, we only consumed the
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
				 * page */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
				buffer_info->skb = skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
				skb = rxtop;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
				rxtop = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
				e1000_consume_page(buffer_info, skb, length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
			} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
				/* no chain, got EOP, this buf is the packet
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
				 * copybreak to save the put_page/alloc_page */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
				if (length <= copybreak &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
				    skb_tailroom(skb) >= length) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
					u8 *vaddr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
					vaddr = kmap_atomic(buffer_info->page,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
					                   KM_SKB_DATA_SOFTIRQ);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
					memcpy(skb_tail_pointer(skb), vaddr,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
					       length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
					kunmap_atomic(vaddr,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
					              KM_SKB_DATA_SOFTIRQ);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
					/* re-use the page, so don't erase
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
					 * buffer_info->page */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
					skb_put(skb, length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
				} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
					skb_fill_page_desc(skb, 0,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
					                   buffer_info->page, 0,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
				                           length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
					e1000_consume_page(buffer_info, skb,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
					                   length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
				}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
		e1000_rx_checksum(adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
		                  (u32)(status) |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
		                  ((u32)(rx_desc->errors) << 24),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
		                  le16_to_cpu(rx_desc->csum), skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		/* probably a little skewed due to removing CRC */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		total_rx_bytes += skb->len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
		total_rx_packets++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		/* eth type trans needs skb->data to point to something */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
		if (!pskb_may_pull(skb, ETH_HLEN)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
			e_err("pskb_may_pull failed.\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
			dev_kfree_skb(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
			goto next_desc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
		e1000_receive_skb(adapter, netdev, skb, status,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		                  rx_desc->special);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
next_desc:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		rx_desc->status = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		/* return some buffers to hardware, one at a time is too slow */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
			adapter->alloc_rx_buf(adapter, cleaned_count);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
			cleaned_count = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
		/* use prefetched values */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		rx_desc = next_rxd;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
		buffer_info = next_buffer;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	rx_ring->next_to_clean = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	cleaned_count = e1000_desc_unused(rx_ring);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	if (cleaned_count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
		adapter->alloc_rx_buf(adapter, cleaned_count);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	adapter->total_rx_bytes += total_rx_bytes;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	adapter->total_rx_packets += total_rx_packets;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
	netdev->stats.rx_bytes += total_rx_bytes;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	netdev->stats.rx_packets += total_rx_packets;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	return cleaned;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
static void e1000_clean_rx_ring(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	struct e1000_ring *rx_ring = adapter->rx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	struct e1000_buffer *buffer_info;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	struct e1000_ps_page *ps_page;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	struct pci_dev *pdev = adapter->pdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	unsigned int i, j;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	/* Free all the Rx ring sk_buffs */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	for (i = 0; i < rx_ring->count; i++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
		buffer_info = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		if (buffer_info->dma) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
			if (adapter->clean_rx == e1000_clean_rx_irq)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
				pci_unmap_single(pdev, buffer_info->dma,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
						 adapter->rx_buffer_len,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
						 PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
			else if (adapter->clean_rx == e1000_clean_jumbo_rx_irq)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
				pci_unmap_page(pdev, buffer_info->dma,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
				               PAGE_SIZE,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
				               PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
			else if (adapter->clean_rx == e1000_clean_rx_irq_ps)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
				pci_unmap_single(pdev, buffer_info->dma,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
						 adapter->rx_ps_bsize0,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
						 PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
			buffer_info->dma = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
		if (buffer_info->page) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
			put_page(buffer_info->page);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
			buffer_info->page = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
		if (buffer_info->skb) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
			dev_kfree_skb(buffer_info->skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
			buffer_info->skb = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
			ps_page = &buffer_info->ps_pages[j];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
			if (!ps_page->page)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
				break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
			pci_unmap_page(pdev, ps_page->dma, PAGE_SIZE,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
				       PCI_DMA_FROMDEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
			ps_page->dma = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
			put_page(ps_page->page);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
			ps_page->page = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
	/* there also may be some cached data from a chained receive */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
	if (rx_ring->rx_skb_top) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
		dev_kfree_skb(rx_ring->rx_skb_top);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
		rx_ring->rx_skb_top = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
	/* Zero out the descriptor ring */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
	memset(rx_ring->desc, 0, rx_ring->size);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
	rx_ring->next_to_clean = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
	rx_ring->next_to_use = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
	writel(0, adapter->hw.hw_addr + rx_ring->head);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
	writel(0, adapter->hw.hw_addr + rx_ring->tail);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
static void e1000e_downshift_workaround(struct work_struct *work)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
	struct e1000_adapter *adapter = container_of(work,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
					struct e1000_adapter, downshift_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
 * e1000_intr_msi - Interrupt Handler
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
 * @irq: interrupt number
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
 * @data: pointer to a network interface device structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
static irqreturn_t e1000_intr_msi(int irq, void *data)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
	struct net_device *netdev = data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
	u32 icr = er32(ICR);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
	 * read ICR disables interrupts using IAM
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
	if (icr & E1000_ICR_LSC) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
		hw->mac.get_link_status = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
		 * ICH8 workaround-- Call gig speed drop workaround on cable
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
		 * disconnect (LSC) before accessing any PHY registers
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
		    (!(er32(STATUS) & E1000_STATUS_LU)))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
			schedule_work(&adapter->downshift_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
		 * 80003ES2LAN workaround-- For packet buffer work-around on
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
		 * link down event; disable receives here in the ISR and reset
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
		 * adapter in watchdog
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
		if (netif_carrier_ok(netdev) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
		    adapter->flags & FLAG_RX_NEEDS_RESTART) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
			/* disable receives */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
			u32 rctl = er32(RCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
			adapter->flags |= FLAG_RX_RESTART_NOW;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		/* guard against interrupt when we're going down */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
		if (!test_bit(__E1000_DOWN, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
	if (napi_schedule_prep(&adapter->napi)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
		adapter->total_tx_bytes = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
		adapter->total_tx_packets = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
		adapter->total_rx_bytes = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
		adapter->total_rx_packets = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
		__napi_schedule(&adapter->napi);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	return IRQ_HANDLED;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
 * e1000_intr - Interrupt Handler
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
 * @irq: interrupt number
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
 * @data: pointer to a network interface device structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
static irqreturn_t e1000_intr(int irq, void *data)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
	struct net_device *netdev = data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
	u32 rctl, icr = er32(ICR);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
	if (!icr || test_bit(__E1000_DOWN, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		return IRQ_NONE;  /* Not our interrupt */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
	 * IMS will not auto-mask if INT_ASSERTED is not set, and if it is
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
	 * not set, then the adapter didn't send an interrupt
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	if (!(icr & E1000_ICR_INT_ASSERTED))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		return IRQ_NONE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
	 * Interrupt Auto-Mask...upon reading ICR,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
	 * interrupts are masked.  No need for the
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
	 * IMC write
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
	if (icr & E1000_ICR_LSC) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
		hw->mac.get_link_status = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		 * ICH8 workaround-- Call gig speed drop workaround on cable
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
		 * disconnect (LSC) before accessing any PHY registers
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
		    (!(er32(STATUS) & E1000_STATUS_LU)))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
			schedule_work(&adapter->downshift_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
		 * 80003ES2LAN workaround--
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
		 * For packet buffer work-around on link down event;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
		 * disable receives here in the ISR and
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
		 * reset adapter in watchdog
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
		if (netif_carrier_ok(netdev) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
		    (adapter->flags & FLAG_RX_NEEDS_RESTART)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
			/* disable receives */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
			rctl = er32(RCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
			adapter->flags |= FLAG_RX_RESTART_NOW;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
		/* guard against interrupt when we're going down */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
		if (!test_bit(__E1000_DOWN, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	if (napi_schedule_prep(&adapter->napi)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
		adapter->total_tx_bytes = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
		adapter->total_tx_packets = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
		adapter->total_rx_bytes = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
		adapter->total_rx_packets = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
		__napi_schedule(&adapter->napi);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	return IRQ_HANDLED;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
static irqreturn_t e1000_msix_other(int irq, void *data)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	struct net_device *netdev = data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
	u32 icr = er32(ICR);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
	if (!(icr & E1000_ICR_INT_ASSERTED)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
		if (!test_bit(__E1000_DOWN, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
			ew32(IMS, E1000_IMS_OTHER);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
		return IRQ_NONE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	if (icr & adapter->eiac_mask)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
		ew32(ICS, (icr & adapter->eiac_mask));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	if (icr & E1000_ICR_OTHER) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
		if (!(icr & E1000_ICR_LSC))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
			goto no_link_interrupt;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
		hw->mac.get_link_status = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
		/* guard against interrupt when we're going down */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
		if (!test_bit(__E1000_DOWN, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
no_link_interrupt:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	if (!test_bit(__E1000_DOWN, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
		ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
	return IRQ_HANDLED;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
	struct net_device *netdev = data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
	adapter->total_tx_bytes = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
	adapter->total_tx_packets = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
	if (!e1000_clean_tx_irq(adapter))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
		/* Ring was not completely cleaned, so fire another interrupt */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
		ew32(ICS, tx_ring->ims_val);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
	return IRQ_HANDLED;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
	struct net_device *netdev = data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
	/* Write the ITR value calculated at the end of the
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
	 * previous interrupt.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
	if (adapter->rx_ring->set_itr) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
		writel(1000000000 / (adapter->rx_ring->itr_val * 256),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
		       adapter->hw.hw_addr + adapter->rx_ring->itr_register);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
		adapter->rx_ring->set_itr = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
	if (napi_schedule_prep(&adapter->napi)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
		adapter->total_rx_bytes = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
		adapter->total_rx_packets = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
		__napi_schedule(&adapter->napi);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
	return IRQ_HANDLED;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
 * e1000_configure_msix - Configure MSI-X hardware
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
 * e1000_configure_msix sets up the hardware to properly
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
 * generate MSI-X interrupts.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
static void e1000_configure_msix(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
	struct e1000_ring *rx_ring = adapter->rx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
	int vector = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	u32 ctrl_ext, ivar = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	adapter->eiac_mask = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
	/* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
	if (hw->mac.type == e1000_82574) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
		u32 rfctl = er32(RFCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
		rfctl |= E1000_RFCTL_ACK_DIS;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
		ew32(RFCTL, rfctl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
#define E1000_IVAR_INT_ALLOC_VALID	0x8
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
	/* Configure Rx vector */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
	rx_ring->ims_val = E1000_IMS_RXQ0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
	adapter->eiac_mask |= rx_ring->ims_val;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
	if (rx_ring->itr_val)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
		writel(1000000000 / (rx_ring->itr_val * 256),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
		       hw->hw_addr + rx_ring->itr_register);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
		writel(1, hw->hw_addr + rx_ring->itr_register);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
	ivar = E1000_IVAR_INT_ALLOC_VALID | vector;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
	/* Configure Tx vector */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
	tx_ring->ims_val = E1000_IMS_TXQ0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
	vector++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
	if (tx_ring->itr_val)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
		writel(1000000000 / (tx_ring->itr_val * 256),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
		       hw->hw_addr + tx_ring->itr_register);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
	else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
		writel(1, hw->hw_addr + tx_ring->itr_register);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
	adapter->eiac_mask |= tx_ring->ims_val;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
	/* set vector for Other Causes, e.g. link changes */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
	vector++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
	if (rx_ring->itr_val)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
		writel(1000000000 / (rx_ring->itr_val * 256),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
		       hw->hw_addr + E1000_EITR_82574(vector));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
	else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
		writel(1, hw->hw_addr + E1000_EITR_82574(vector));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	/* Cause Tx interrupts on every write back */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	ivar |= (1 << 31);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	ew32(IVAR, ivar);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	/* enable MSI-X PBA support */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
	ctrl_ext = er32(CTRL_EXT);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
	/* Auto-Mask Other interrupts upon ICR read */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
#define E1000_EIAC_MASK_82574   0x01F00000
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
	ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
	ctrl_ext |= E1000_CTRL_EXT_EIAME;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	ew32(CTRL_EXT, ctrl_ext);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	e1e_flush();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
	if (adapter->msix_entries) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
		pci_disable_msix(adapter->pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		kfree(adapter->msix_entries);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
		adapter->msix_entries = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
	} else if (adapter->flags & FLAG_MSI_ENABLED) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
		pci_disable_msi(adapter->pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
		adapter->flags &= ~FLAG_MSI_ENABLED;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
	return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
 * e1000e_set_interrupt_capability - set MSI or MSI-X if supported
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
 * Attempt to configure interrupts using the best available
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
 * capabilities of the hardware and kernel.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	int err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	int numvecs, i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	switch (adapter->int_mode) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	case E1000E_INT_MODE_MSIX:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
		if (adapter->flags & FLAG_HAS_MSIX) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
			numvecs = 3; /* RxQ0, TxQ0 and other */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
			adapter->msix_entries = kcalloc(numvecs,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
						      sizeof(struct msix_entry),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
						      GFP_KERNEL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
			if (adapter->msix_entries) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
				for (i = 0; i < numvecs; i++)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
					adapter->msix_entries[i].entry = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
				err = pci_enable_msix(adapter->pdev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
						      adapter->msix_entries,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
						      numvecs);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
				if (err == 0)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
					return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
			/* MSI-X failed, so fall through and try MSI */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
			e_err("Failed to initialize MSI-X interrupts.  "
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
			      "Falling back to MSI interrupts.\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
			e1000e_reset_interrupt_capability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
		adapter->int_mode = E1000E_INT_MODE_MSI;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
		/* Fall through */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
	case E1000E_INT_MODE_MSI:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
		if (!pci_enable_msi(adapter->pdev)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
			adapter->flags |= FLAG_MSI_ENABLED;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
		} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
			adapter->int_mode = E1000E_INT_MODE_LEGACY;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
			e_err("Failed to initialize MSI interrupts.  Falling "
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
			      "back to legacy interrupts.\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
		/* Fall through */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
	case E1000E_INT_MODE_LEGACY:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
		/* Don't do anything; this is the system default */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
	return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
 * e1000_request_msix - Initialize MSI-X interrupts
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
 * e1000_request_msix allocates MSI-X vectors and requests interrupts from the
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
 * kernel.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
static int e1000_request_msix(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
	int err = 0, vector = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
		sprintf(adapter->rx_ring->name, "%s-rx-0", netdev->name);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
	else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
	err = request_irq(adapter->msix_entries[vector].vector,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
			  e1000_intr_msix_rx, 0, adapter->rx_ring->name,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
			  netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
		goto out;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
	adapter->rx_ring->itr_register = E1000_EITR_82574(vector);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
	adapter->rx_ring->itr_val = adapter->itr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
	vector++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
	err = request_irq(adapter->msix_entries[vector].vector,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
			  e1000_intr_msix_tx, 0, adapter->tx_ring->name,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
			  netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
		goto out;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
	adapter->tx_ring->itr_register = E1000_EITR_82574(vector);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	adapter->tx_ring->itr_val = adapter->itr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
	vector++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	err = request_irq(adapter->msix_entries[vector].vector,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
			  e1000_msix_other, 0, netdev->name, netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
		goto out;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
	e1000_configure_msix(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
out:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
	return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
 * e1000_request_irq - initialize interrupts
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
 * Attempts to configure interrupts using the best available
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
 * capabilities of the hardware and kernel.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
static int e1000_request_irq(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	int err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	if (adapter->msix_entries) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		err = e1000_request_msix(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
		if (!err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
			return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		/* fall back to MSI */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
		e1000e_reset_interrupt_capability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
		adapter->int_mode = E1000E_INT_MODE_MSI;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		e1000e_set_interrupt_capability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
	if (adapter->flags & FLAG_MSI_ENABLED) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
		err = request_irq(adapter->pdev->irq, e1000_intr_msi, 0,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
				  netdev->name, netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
		if (!err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
			return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
		/* fall back to legacy interrupt */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		e1000e_reset_interrupt_capability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
	err = request_irq(adapter->pdev->irq, e1000_intr, IRQF_SHARED,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
			  netdev->name, netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
		e_err("Unable to allocate interrupt, Error: %d\n", err);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
	return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
static void e1000_free_irq(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	if (adapter->msix_entries) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
		int vector = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
		free_irq(adapter->msix_entries[vector].vector, netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		vector++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
		free_irq(adapter->msix_entries[vector].vector, netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
		vector++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
		/* Other Causes interrupt vector */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
		free_irq(adapter->msix_entries[vector].vector, netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
		return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
	free_irq(adapter->pdev->irq, netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
 * e1000_irq_disable - Mask off interrupt generation on the NIC
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
static void e1000_irq_disable(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	ew32(IMC, ~0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
	if (adapter->msix_entries)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
		ew32(EIAC_82574, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
	e1e_flush();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
	synchronize_irq(adapter->pdev->irq);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
 * e1000_irq_enable - Enable default interrupt generation settings
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
static void e1000_irq_enable(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	if (adapter->msix_entries) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
		ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
		ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
		ew32(IMS, IMS_ENABLE_MASK);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
	e1e_flush();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
 * e1000_get_hw_control - get control of the h/w from f/w
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
 * @adapter: address of board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
 * e1000_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
 * For ASF and Pass Through versions of f/w this means that
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
 * the driver is loaded. For AMT version (only with 82573)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
 * of the f/w this means that the network i/f is open.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
static void e1000_get_hw_control(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
	u32 ctrl_ext;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
	u32 swsm;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
	/* Let firmware know the driver has taken over */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		swsm = er32(SWSM);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
		ctrl_ext = er32(CTRL_EXT);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
 * e1000_release_hw_control - release control of the h/w to f/w
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
 * @adapter: address of board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
 * e1000_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
 * For ASF and Pass Through versions of f/w this means that the
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
 * driver is no longer loaded. For AMT version (only with 82573) i
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
 * of the f/w this means that the network i/f is closed.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
static void e1000_release_hw_control(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	u32 ctrl_ext;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
	u32 swsm;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	/* Let firmware taken over control of h/w */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
		swsm = er32(SWSM);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
		ctrl_ext = er32(CTRL_EXT);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
 * @e1000_alloc_ring - allocate memory for a ring structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
				struct e1000_ring *ring)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
	struct pci_dev *pdev = adapter->pdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
	ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
					GFP_KERNEL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
	if (!ring->desc)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
		return -ENOMEM;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
 * e1000e_setup_tx_resources - allocate Tx resources (Descriptors)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
 * Return 0 on success, negative on failure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	int err = -ENOMEM, size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
	size = sizeof(struct e1000_buffer) * tx_ring->count;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
	tx_ring->buffer_info = vmalloc(size);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	if (!tx_ring->buffer_info)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
		goto err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
	memset(tx_ring->buffer_info, 0, size);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	/* round up to nearest 4K */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
	tx_ring->size = ALIGN(tx_ring->size, 4096);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
	err = e1000_alloc_ring_dma(adapter, tx_ring);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
		goto err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	tx_ring->next_to_use = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	tx_ring->next_to_clean = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
err:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	vfree(tx_ring->buffer_info);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
 * e1000e_setup_rx_resources - allocate Rx resources (Descriptors)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
 * Returns 0 on success, negative on failure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
int e1000e_setup_rx_resources(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	struct e1000_ring *rx_ring = adapter->rx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	struct e1000_buffer *buffer_info;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
	int i, size, desc_len, err = -ENOMEM;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
	size = sizeof(struct e1000_buffer) * rx_ring->count;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	rx_ring->buffer_info = vmalloc(size);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	if (!rx_ring->buffer_info)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
		goto err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
	memset(rx_ring->buffer_info, 0, size);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
	for (i = 0; i < rx_ring->count; i++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		buffer_info = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
		buffer_info->ps_pages = kcalloc(PS_PAGE_BUFFERS,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
						sizeof(struct e1000_ps_page),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
						GFP_KERNEL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
		if (!buffer_info->ps_pages)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
			goto err_pages;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	desc_len = sizeof(union e1000_rx_desc_packet_split);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	/* Round up to nearest 4K */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
	rx_ring->size = rx_ring->count * desc_len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
	rx_ring->size = ALIGN(rx_ring->size, 4096);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	err = e1000_alloc_ring_dma(adapter, rx_ring);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		goto err_pages;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	rx_ring->next_to_clean = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
	rx_ring->next_to_use = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	rx_ring->rx_skb_top = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
err_pages:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
	for (i = 0; i < rx_ring->count; i++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
		buffer_info = &rx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		kfree(buffer_info->ps_pages);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
err:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
	vfree(rx_ring->buffer_info);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
	return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
 * e1000_clean_tx_ring - Free Tx Buffers
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
static void e1000_clean_tx_ring(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
	struct e1000_buffer *buffer_info;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
	unsigned long size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
	unsigned int i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
	for (i = 0; i < tx_ring->count; i++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		buffer_info = &tx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
		e1000_put_txbuf(adapter, buffer_info);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
	size = sizeof(struct e1000_buffer) * tx_ring->count;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	memset(tx_ring->buffer_info, 0, size);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	memset(tx_ring->desc, 0, tx_ring->size);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
	tx_ring->next_to_use = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
	tx_ring->next_to_clean = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	writel(0, adapter->hw.hw_addr + tx_ring->head);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	writel(0, adapter->hw.hw_addr + tx_ring->tail);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
 * e1000e_free_tx_resources - Free Tx Resources per Queue
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
 * Free all transmit software resources
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
void e1000e_free_tx_resources(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
	struct pci_dev *pdev = adapter->pdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
	e1000_clean_tx_ring(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	vfree(tx_ring->buffer_info);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	tx_ring->buffer_info = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
			  tx_ring->dma);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
	tx_ring->desc = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
 * e1000e_free_rx_resources - Free Rx Resources
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
 * Free all receive software resources
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
void e1000e_free_rx_resources(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
	struct pci_dev *pdev = adapter->pdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
	struct e1000_ring *rx_ring = adapter->rx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
	int i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	e1000_clean_rx_ring(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
	for (i = 0; i < rx_ring->count; i++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
		kfree(rx_ring->buffer_info[i].ps_pages);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
	vfree(rx_ring->buffer_info);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
	rx_ring->buffer_info = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
			  rx_ring->dma);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
	rx_ring->desc = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
 * e1000_update_itr - update the dynamic ITR value based on statistics
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
 * @adapter: pointer to adapter
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
 * @itr_setting: current adapter->itr
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
 * @packets: the number of packets during this measurement interval
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
 * @bytes: the number of bytes during this measurement interval
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
 *      Stores a new ITR value based on packets and byte
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
 *      counts during the last interrupt.  The advantage of per interrupt
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
 *      computation is faster updates and more accurate ITR for the current
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
 *      traffic pattern.  Constants in this function were computed
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
 *      based on theoretical maximum wire speed and thresholds were set based
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
 *      on testing data as well as attempting to minimize response time
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
 *      while increasing bulk throughput.  This functionality is controlled
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
 *      by the InterruptThrottleRate module parameter.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
				     u16 itr_setting, int packets,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
				     int bytes)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	unsigned int retval = itr_setting;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
	if (packets == 0)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
		goto update_itr_done;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	switch (itr_setting) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
	case lowest_latency:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
		/* handle TSO and jumbo frames */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		if (bytes/packets > 8000)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
			retval = bulk_latency;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
		else if ((packets < 5) && (bytes > 512)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
			retval = low_latency;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
	case low_latency:  /* 50 usec aka 20000 ints/s */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
		if (bytes > 10000) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
			/* this if handles the TSO accounting */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
			if (bytes/packets > 8000) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
				retval = bulk_latency;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
			} else if ((packets < 10) || ((bytes/packets) > 1200)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
				retval = bulk_latency;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
			} else if ((packets > 35)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
				retval = lowest_latency;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
		} else if (bytes/packets > 2000) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
			retval = bulk_latency;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
		} else if (packets <= 2 && bytes < 512) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
			retval = lowest_latency;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	case bulk_latency: /* 250 usec aka 4000 ints/s */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
		if (bytes > 25000) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
			if (packets > 35) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
				retval = low_latency;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
		} else if (bytes < 6000) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
			retval = low_latency;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
update_itr_done:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
	return retval;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
static void e1000_set_itr(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
	u16 current_itr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
	u32 new_itr = adapter->itr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	if (adapter->link_speed != SPEED_1000) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
		current_itr = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
		new_itr = 4000;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
		goto set_itr_now;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	adapter->tx_itr = e1000_update_itr(adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
				    adapter->tx_itr,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
				    adapter->total_tx_packets,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
				    adapter->total_tx_bytes);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
		adapter->tx_itr = low_latency;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
	adapter->rx_itr = e1000_update_itr(adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
				    adapter->rx_itr,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
				    adapter->total_rx_packets,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
				    adapter->total_rx_bytes);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
		adapter->rx_itr = low_latency;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	switch (current_itr) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
	/* counts and packets in update_itr are dependent on these numbers */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
	case lowest_latency:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
		new_itr = 70000;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	case low_latency:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
		new_itr = 20000; /* aka hwitr = ~200 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
	case bulk_latency:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
		new_itr = 4000;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	default:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
set_itr_now:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
	if (new_itr != adapter->itr) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
		 * this attempts to bias the interrupt rate towards Bulk
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
		 * by adding intermediate steps when interrupt rate is
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
		 * increasing
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
		new_itr = new_itr > adapter->itr ?
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
			     min(adapter->itr + (new_itr >> 2), new_itr) :
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
			     new_itr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
		adapter->itr = new_itr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
		adapter->rx_ring->itr_val = new_itr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
		if (adapter->msix_entries)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
			adapter->rx_ring->set_itr = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
		else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
			ew32(ITR, 1000000000 / (new_itr * 256));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
 * e1000_alloc_queues - Allocate memory for all rings
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
 * @adapter: board private structure to initialize
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
	adapter->tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	if (!adapter->tx_ring)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
		goto err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
	adapter->rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	if (!adapter->rx_ring)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
		goto err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
err:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
	e_err("Unable to allocate memory for queues\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
	kfree(adapter->rx_ring);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
	kfree(adapter->tx_ring);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	return -ENOMEM;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
 * e1000_clean - NAPI Rx polling callback
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
 * @napi: struct associated with this polling callback
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
 * @budget: amount of packets driver is allowed to process this poll
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
static int e1000_clean(struct napi_struct *napi, int budget)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
	struct net_device *poll_dev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
	int tx_cleaned = 1, work_done = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
	adapter = netdev_priv(poll_dev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
	if (adapter->msix_entries &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
	    !(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
		goto clean_rx;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
	tx_cleaned = e1000_clean_tx_irq(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
clean_rx:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
	adapter->clean_rx(adapter, &work_done, budget);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
	if (!tx_cleaned)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
		work_done = budget;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	/* If budget not fully consumed, exit the polling mode */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
	if (work_done < budget) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
		if (adapter->itr_setting & 3)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
			e1000_set_itr(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
		napi_complete(napi);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
		if (!test_bit(__E1000_DOWN, &adapter->state)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
			if (adapter->msix_entries)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
				ew32(IMS, adapter->rx_ring->ims_val);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
			else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
				e1000_irq_enable(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
	return work_done;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	u32 vfta, index;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	/* don't update vlan cookie if already programmed */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	if ((adapter->hw.mng_cookie.status &
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	    (vid == adapter->mng_vlan_id))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
	/* add VID to filter table */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
		index = (vid >> 5) & 0x7F;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
		vfta |= (1 << (vid & 0x1F));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
		hw->mac.ops.write_vfta(hw, index, vfta);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
	u32 vfta, index;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
	if (!test_bit(__E1000_DOWN, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
		e1000_irq_disable(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	if (!test_bit(__E1000_DOWN, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		e1000_irq_enable(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
	if ((adapter->hw.mng_cookie.status &
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	    (vid == adapter->mng_vlan_id)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
		/* release control to f/w */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
		e1000_release_hw_control(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
		return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
	/* remove VID from filter table */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
		index = (vid >> 5) & 0x7F;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
		vfta &= ~(1 << (vid & 0x1F));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
		hw->mac.ops.write_vfta(hw, index, vfta);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
	u16 vid = adapter->hw.mng_cookie.vlan_id;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	u16 old_vid = adapter->mng_vlan_id;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
	if (!adapter->vlgrp)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
		return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	if (!vlan_group_get_device(adapter->vlgrp, vid)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
		adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
		if (adapter->hw.mng_cookie.status &
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
			e1000_vlan_rx_add_vid(netdev, vid);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
			adapter->mng_vlan_id = vid;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
				(vid != old_vid) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
		    !vlan_group_get_device(adapter->vlgrp, old_vid))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
			e1000_vlan_rx_kill_vid(netdev, old_vid);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
		adapter->mng_vlan_id = vid;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
static void e1000_vlan_rx_register(struct net_device *netdev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
				   struct vlan_group *grp)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	u32 ctrl, rctl;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
	if (!test_bit(__E1000_DOWN, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
		e1000_irq_disable(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
	adapter->vlgrp = grp;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	if (grp) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
		/* enable VLAN tag insert/strip */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
		ctrl = er32(CTRL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
		ctrl |= E1000_CTRL_VME;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
		ew32(CTRL, ctrl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
			/* enable VLAN receive filtering */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
			rctl = er32(RCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
			rctl &= ~E1000_RCTL_CFIEN;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
			ew32(RCTL, rctl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
			e1000_update_mng_vlan(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
		/* disable VLAN tag insert/strip */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
		ctrl = er32(CTRL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
		ctrl &= ~E1000_CTRL_VME;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
		ew32(CTRL, ctrl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
			if (adapter->mng_vlan_id !=
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
			    (u16)E1000_MNG_VLAN_NONE) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
				e1000_vlan_rx_kill_vid(netdev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
						       adapter->mng_vlan_id);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	if (!test_bit(__E1000_DOWN, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
		e1000_irq_enable(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
static void e1000_restore_vlan(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	u16 vid;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
	if (!adapter->vlgrp)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
		return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
	for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
		if (!vlan_group_get_device(adapter->vlgrp, vid))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
			continue;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
		e1000_vlan_rx_add_vid(adapter->netdev, vid);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
static void e1000_init_manageability(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	u32 manc, manc2h;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
		return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
	manc = er32(MANC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
	 * enable receiving management packets to the host. this will probably
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
	 * generate destination unreachable messages from the host OS, but
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
	 * the packets will be handled on SMBUS
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	manc |= E1000_MANC_EN_MNG2HOST;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	manc2h = er32(MANC2H);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
#define E1000_MNG2HOST_PORT_623 (1 << 5)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
#define E1000_MNG2HOST_PORT_664 (1 << 6)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	manc2h |= E1000_MNG2HOST_PORT_623;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
	manc2h |= E1000_MNG2HOST_PORT_664;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
	ew32(MANC2H, manc2h);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
	ew32(MANC, manc);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
 * Configure the Tx unit of the MAC after a reset.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
static void e1000_configure_tx(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	u64 tdba;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	u32 tdlen, tctl, tipg, tarc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	u32 ipgr1, ipgr2;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
	/* Setup the HW Tx Head and Tail descriptor pointers */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
	tdba = tx_ring->dma;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
	tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
	ew32(TDBAL, (tdba & DMA_BIT_MASK(32)));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	ew32(TDBAH, (tdba >> 32));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	ew32(TDLEN, tdlen);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	ew32(TDH, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
	ew32(TDT, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	tx_ring->head = E1000_TDH;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
	tx_ring->tail = E1000_TDT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	/* Set the default values for the Tx Inter Packet Gap timer */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	tipg = DEFAULT_82543_TIPG_IPGT_COPPER;          /*  8  */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	ipgr1 = DEFAULT_82543_TIPG_IPGR1;               /*  8  */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	ipgr2 = DEFAULT_82543_TIPG_IPGR2;               /*  6  */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
	if (adapter->flags & FLAG_TIPG_MEDIUM_FOR_80003ESLAN)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2; /*  7  */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	ew32(TIPG, tipg);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
	/* Set the Tx Interrupt Delay register */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
	ew32(TIDV, adapter->tx_int_delay);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
	/* Tx irq moderation */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	ew32(TADV, adapter->tx_abs_int_delay);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	/* Program the Transmit Control Register */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	tctl = er32(TCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	tctl &= ~E1000_TCTL_CT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
		tarc = er32(TARC(0));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
		 * set the speed mode bit, we'll clear it if we're not at
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
		 * gigabit link later
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
#define SPEED_MODE_BIT (1 << 21)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
		tarc |= SPEED_MODE_BIT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
		ew32(TARC(0), tarc);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
	/* errata: program both queues to unweighted RR */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
	if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
		tarc = er32(TARC(0));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
		tarc |= 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
		ew32(TARC(0), tarc);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
		tarc = er32(TARC(1));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
		tarc |= 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
		ew32(TARC(1), tarc);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
	/* Setup Transmit Descriptor Settings for eop descriptor */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	/* only set IDE if we are delaying interrupts using the timers */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
	if (adapter->tx_int_delay)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
	/* enable Report Status bit */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
	adapter->txd_cmd |= E1000_TXD_CMD_RS;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	ew32(TCTL, tctl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	e1000e_config_collision_dist(hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	adapter->tx_queue_len = adapter->netdev->tx_queue_len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
 * e1000_setup_rctl - configure the receive control registers
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
 * @adapter: Board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
			   (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
static void e1000_setup_rctl(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	u32 rctl, rfctl;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
	u32 psrctl = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	u32 pages = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
	/* Program MC offset vector base */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	rctl = er32(RCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
		(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
	/* Do not Store bad packets */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
	rctl &= ~E1000_RCTL_SBP;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	/* Enable Long Packet receive */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
		rctl &= ~E1000_RCTL_LPE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
		rctl |= E1000_RCTL_LPE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	/* Some systems expect that the CRC is included in SMBUS traffic. The
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
	 * hardware strips the CRC before sending to both SMBUS (BMC) and to
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	 * host memory when this is enabled
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
		rctl |= E1000_RCTL_SECRC;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	/* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
		u16 phy_data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
		e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
		phy_data &= 0xfff8;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
		phy_data |= (1 << 2);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
		e1e_wphy(hw, PHY_REG(770, 26), phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
		e1e_rphy(hw, 22, &phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
		phy_data &= 0x0fff;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		phy_data |= (1 << 14);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
		e1e_wphy(hw, 0x10, 0x2823);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
		e1e_wphy(hw, 0x11, 0x0003);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
		e1e_wphy(hw, 22, phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	/* Setup buffer sizes */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
	rctl &= ~E1000_RCTL_SZ_4096;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
	rctl |= E1000_RCTL_BSEX;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
	switch (adapter->rx_buffer_len) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
	case 2048:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
	default:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
		rctl |= E1000_RCTL_SZ_2048;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
		rctl &= ~E1000_RCTL_BSEX;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	case 4096:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
		rctl |= E1000_RCTL_SZ_4096;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	case 8192:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
		rctl |= E1000_RCTL_SZ_8192;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
	case 16384:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
		rctl |= E1000_RCTL_SZ_16384;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	 * 82571 and greater support packet-split where the protocol
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	 * header is placed in skb->data and the packet data is
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
	 * In the case of a non-split, skb->data is linearly filled,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
	 * followed by the page buffers.  Therefore, skb->data is
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
	 * sized to hold the largest protocol header.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
	 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
	 * allocations using alloc_page take too long for regular MTU
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
	 * so only enable packet split for jumbo frames
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
	 * Using pages when the page size is greater than 16k wastes
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
	 * a lot of memory, since we allocate 3 pages at all times
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
	 * per packet.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	if (!(adapter->flags & FLAG_IS_ICH) && (pages <= 3) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	    (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
		adapter->rx_ps_pages = pages;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
	else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
		adapter->rx_ps_pages = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
	if (adapter->rx_ps_pages) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
		/* Configure extra packet-split registers */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
		rfctl = er32(RFCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
		rfctl |= E1000_RFCTL_EXTEN;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		 * disable packet split support for IPv6 extension headers,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		 * because some malformed IPv6 headers can hang the Rx
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
			  E1000_RFCTL_NEW_IPV6_EXT_DIS);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
		ew32(RFCTL, rfctl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
		/* Enable Packet split descriptors */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
		rctl |= E1000_RCTL_DTYP_PS;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
		psrctl |= adapter->rx_ps_bsize0 >>
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
			E1000_PSRCTL_BSIZE0_SHIFT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
		switch (adapter->rx_ps_pages) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
		case 3:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
			psrctl |= PAGE_SIZE <<
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
				E1000_PSRCTL_BSIZE3_SHIFT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
		case 2:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
			psrctl |= PAGE_SIZE <<
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
				E1000_PSRCTL_BSIZE2_SHIFT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
		case 1:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
			psrctl |= PAGE_SIZE >>
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
				E1000_PSRCTL_BSIZE1_SHIFT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
		ew32(PSRCTL, psrctl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	ew32(RCTL, rctl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	/* just started the receive unit, no need to restart */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	adapter->flags &= ~FLAG_RX_RESTART_NOW;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
 * e1000_configure_rx - Configure Receive Unit after Reset
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
 * Configure the Rx unit of the MAC after a reset.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
static void e1000_configure_rx(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	struct e1000_ring *rx_ring = adapter->rx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
	u64 rdba;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	u32 rdlen, rctl, rxcsum, ctrl_ext;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	if (adapter->rx_ps_pages) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
		/* this is a 32 byte descriptor */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
		rdlen = rx_ring->count *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
			sizeof(union e1000_rx_desc_packet_split);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
		adapter->clean_rx = e1000_clean_rx_irq_ps;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	} else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
		adapter->clean_rx = e1000_clean_rx_irq;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
	/* disable receives while setting up the descriptors */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
	rctl = er32(RCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	e1e_flush();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
	msleep(10);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
	/* set the Receive Delay Timer Register */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
	ew32(RDTR, adapter->rx_int_delay);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
	/* irq moderation */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
	ew32(RADV, adapter->rx_abs_int_delay);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
	if (adapter->itr_setting != 0)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
		ew32(ITR, 1000000000 / (adapter->itr * 256));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	ctrl_ext = er32(CTRL_EXT);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
	/* Auto-Mask interrupts upon ICR access */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	ctrl_ext |= E1000_CTRL_EXT_IAME;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
	ew32(IAM, 0xffffffff);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	ew32(CTRL_EXT, ctrl_ext);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
	e1e_flush();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
	 * Setup the HW Rx Head and Tail Descriptor Pointers and
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
	 * the Base and Length of the Rx Descriptor Ring
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	rdba = rx_ring->dma;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
	ew32(RDBAL, (rdba & DMA_BIT_MASK(32)));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
	ew32(RDBAH, (rdba >> 32));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
	ew32(RDLEN, rdlen);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
	ew32(RDH, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	ew32(RDT, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
	rx_ring->head = E1000_RDH;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
	rx_ring->tail = E1000_RDT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
	/* Enable Receive Checksum Offload for TCP and UDP */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	rxcsum = er32(RXCSUM);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
	if (adapter->flags & FLAG_RX_CSUM_ENABLED) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		rxcsum |= E1000_RXCSUM_TUOFL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
		 * IPv4 payload checksum for UDP fragments must be
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
		 * used in conjunction with packet-split.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
		if (adapter->rx_ps_pages)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
			rxcsum |= E1000_RXCSUM_IPPCSE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
		rxcsum &= ~E1000_RXCSUM_TUOFL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
		/* no need to clear IPPCSE as it defaults to 0 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
	ew32(RXCSUM, rxcsum);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
	 * Enable early receives on supported devices, only takes effect when
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	 * packet size is equal or larger than the specified value (in 8 byte
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
	 * units), e.g. using jumbo frames when setting to E1000_ERT_2048
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	if (adapter->flags & FLAG_HAS_ERT) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
			u32 rxdctl = er32(RXDCTL(0));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
			ew32(RXDCTL(0), rxdctl | 0x3);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
			ew32(ERT, E1000_ERT_2048 | (1 << 13));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
			/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
			 * With jumbo frames and early-receive enabled,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
			 * excessive C-state transition latencies result in
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
			 * dropped transactions.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
			 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
			pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
						  adapter->netdev->name, 55);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
		} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
			pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
						  adapter->netdev->name,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
						  PM_QOS_DEFAULT_VALUE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
	/* Enable Receives */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
	ew32(RCTL, rctl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
 *  e1000_update_mc_addr_list - Update Multicast addresses
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
 *  @hw: pointer to the HW structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
 *  @mc_addr_list: array of multicast addresses to program
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
 *  @mc_addr_count: number of multicast addresses to program
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
 *  @rar_used_count: the first RAR register free to program
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
 *  @rar_count: total number of supported Receive Address Registers
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
 *  Updates the Receive Address Registers and Multicast Table Array.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
 *  The caller must have a packed mc_addr_list of multicast addresses.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
 *  The parameter rar_count will usually be hw->mac.rar_entry_count
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
 *  unless there are workarounds that change this.  Currently no func pointer
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
 *  exists and all implementations are handled in the generic version of this
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
 *  function.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
static void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
				      u32 mc_addr_count, u32 rar_used_count,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
				      u32 rar_count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
	hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, mc_addr_count,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
				        rar_used_count, rar_count);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
 * e1000_set_multi - Multicast and Promiscuous mode set
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
 * @netdev: network interface device structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
 * The set_multi entry point is called whenever the multicast address
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
 * list or the network interface flags are updated.  This routine is
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
 * responsible for configuring the hardware for proper multicast,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
 * promiscuous mode, and all-multi behavior.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
static void e1000_set_multi(struct net_device *netdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
	struct e1000_mac_info *mac = &hw->mac;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
	struct dev_mc_list *mc_ptr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
	u8  *mta_list;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
	u32 rctl;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
	int i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
	/* Check for Promiscuous and All Multicast modes */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
	rctl = er32(RCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
	if (netdev->flags & IFF_PROMISC) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
		rctl &= ~E1000_RCTL_VFE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
		if (netdev->flags & IFF_ALLMULTI) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
			rctl |= E1000_RCTL_MPE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
			rctl &= ~E1000_RCTL_UPE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
		} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
			rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
			rctl |= E1000_RCTL_VFE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
	ew32(RCTL, rctl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
	if (netdev->mc_count) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
		mta_list = kmalloc(netdev->mc_count * 6, GFP_ATOMIC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
		if (!mta_list)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
			return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
		/* prepare a packed array of only addresses. */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
		mc_ptr = netdev->mc_list;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
		for (i = 0; i < netdev->mc_count; i++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
			if (!mc_ptr)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
				break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
			memcpy(mta_list + (i*ETH_ALEN), mc_ptr->dmi_addr,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
			       ETH_ALEN);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
			mc_ptr = mc_ptr->next;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
		e1000_update_mc_addr_list(hw, mta_list, i, 1,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
					  mac->rar_entry_count);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
		kfree(mta_list);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
		 * if we're called from probe, we might not have
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
		 * anything to do here, so clear out the list
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
		e1000_update_mc_addr_list(hw, NULL, 0, 1, mac->rar_entry_count);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
 * e1000_configure - configure the hardware for Rx and Tx
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
 * @adapter: private board structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
static void e1000_configure(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
	e1000_set_multi(adapter->netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
	e1000_restore_vlan(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
	e1000_init_manageability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
	e1000_configure_tx(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	e1000_setup_rctl(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
	e1000_configure_rx(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
	adapter->alloc_rx_buf(adapter, e1000_desc_unused(adapter->rx_ring));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
 * e1000e_power_up_phy - restore link in case the phy was powered down
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
 * @adapter: address of board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
 * The phy may be powered down to save power and turn off link when the
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
 * driver is unloaded and wake on lan is not enabled (among others)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
 * *** this routine MUST be followed by a call to e1000e_reset ***
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
void e1000e_power_up_phy(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
	if (adapter->hw.phy.ops.power_up)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
		adapter->hw.phy.ops.power_up(&adapter->hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
	adapter->hw.mac.ops.setup_link(&adapter->hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
 * e1000_power_down_phy - Power down the PHY
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
 * Power down the PHY so no link is implied when interface is down.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
 * The PHY cannot be powered down if management or WoL is active.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
static void e1000_power_down_phy(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	/* WoL is enabled */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	if (adapter->wol)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
		return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
	if (adapter->hw.phy.ops.power_down)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
		adapter->hw.phy.ops.power_down(&adapter->hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
 * e1000e_reset - bring the hardware into a known good state
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
 * This function boots the hardware and enables some settings that
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
 * require a configuration cycle of the hardware - those cannot be
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
 * set/changed during runtime. After reset the device needs to be
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
 * properly configured for Rx, Tx etc.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
void e1000e_reset(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	struct e1000_mac_info *mac = &adapter->hw.mac;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	struct e1000_fc_info *fc = &adapter->hw.fc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	u32 tx_space, min_tx_space, min_rx_space;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	u32 pba = adapter->pba;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
	u16 hwm;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	/* reset Packet Buffer Allocation to default */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	ew32(PBA, pba);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
		 * To maintain wire speed transmits, the Tx FIFO should be
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
		 * large enough to accommodate two full transmit packets,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
		 * the Rx FIFO should be large enough to accommodate at least
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
		 * one full receive packet and is similarly rounded up and
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
		 * expressed in KB.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
		pba = er32(PBA);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
		/* upper 16 bits has Tx packet buffer allocation size in KB */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
		tx_space = pba >> 16;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
		/* lower 16 bits has Rx packet buffer allocation size in KB */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
		pba &= 0xffff;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
		 * the Tx fifo also stores 16 bytes of information about the tx
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
		 * but don't include ethernet FCS because hardware appends it
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
		min_tx_space = (adapter->max_frame_size +
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
				sizeof(struct e1000_tx_desc) -
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
				ETH_FCS_LEN) * 2;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
		min_tx_space = ALIGN(min_tx_space, 1024);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
		min_tx_space >>= 10;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
		/* software strips receive CRC, so leave room for it */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		min_rx_space = adapter->max_frame_size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
		min_rx_space = ALIGN(min_rx_space, 1024);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
		min_rx_space >>= 10;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
		 * If current Tx allocation is less than the min Tx FIFO size,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
		 * and the min Tx FIFO size is less than the current Rx FIFO
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
		 * allocation, take space away from current Rx allocation
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
		if ((tx_space < min_tx_space) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
		    ((min_tx_space - tx_space) < pba)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
			pba -= min_tx_space - tx_space;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
			/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
			 * if short on Rx space, Rx wins and must trump tx
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
			 * adjustment or use Early Receive if available
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
			 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
			if ((pba < min_rx_space) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
			    (!(adapter->flags & FLAG_HAS_ERT)))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
				/* ERT enabled in e1000_configure_rx */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
				pba = min_rx_space;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
		ew32(PBA, pba);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
	 * flow control settings
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	 * The high water mark must be low enough to fit one full frame
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
	 * (or the size used for early receive) above it in the Rx FIFO.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
	 * Set it to the lower of:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	 * - 90% of the Rx FIFO size, and
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	 * - the full Rx FIFO size minus the early receive size (for parts
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
	 * - the full Rx FIFO size minus one full frame
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
	if (hw->mac.type == e1000_pchlan) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
		 * Workaround PCH LOM adapter hangs with certain network
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
		 * loads.  If hangs persist, try disabling Tx flow control.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
			fc->high_water = 0x3500;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
			fc->low_water  = 0x1500;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
		} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
			fc->high_water = 0x5000;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
			fc->low_water  = 0x3000;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		if ((adapter->flags & FLAG_HAS_ERT) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		    (adapter->netdev->mtu > ETH_DATA_LEN))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
			hwm = min(((pba << 10) * 9 / 10),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
				  ((pba << 10) - (E1000_ERT_2048 << 3)));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
		else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
			hwm = min(((pba << 10) * 9 / 10),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
				  ((pba << 10) - adapter->max_frame_size));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
		fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
		fc->low_water = fc->high_water - 8;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		fc->pause_time = 0xFFFF;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
	else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		fc->pause_time = E1000_FC_PAUSE_TIME;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
	fc->send_xon = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
	fc->current_mode = fc->requested_mode;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
	/* Allow time for pending master requests to run */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
	mac->ops.reset_hw(hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
	 * For parts with AMT enabled, let the firmware know
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
	 * that the network interface is in control
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	if (adapter->flags & FLAG_HAS_AMT)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
		e1000_get_hw_control(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	ew32(WUC, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		e1e_wphy(&adapter->hw, BM_WUC, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
	if (mac->ops.init_hw(hw))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
		e_err("Hardware Error\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
	/* additional part of the flow-control workaround above */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
	if (hw->mac.type == e1000_pchlan)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
		ew32(FCRTV_PCH, 0x1000);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
	e1000_update_mng_vlan(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
	ew32(VET, ETH_P_8021Q);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	e1000e_reset_adaptive(hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	e1000_get_phy_info(hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	    !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
		u16 phy_data = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
		 * speed up time to link by disabling smart power down, ignore
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
		 * the return value of this function because there is nothing
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
		 * different we would do if it failed
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
		e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
		phy_data &= ~IGP02E1000_PM_SPD;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
int e1000e_up(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	/* DMA latency requirement to workaround early-receive/jumbo issue */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	if (adapter->flags & FLAG_HAS_ERT)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
		pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
		                       adapter->netdev->name,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
				       PM_QOS_DEFAULT_VALUE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
	/* hardware has been reset, we need to reload some things */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
	e1000_configure(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	clear_bit(__E1000_DOWN, &adapter->state);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	napi_enable(&adapter->napi);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
	if (adapter->msix_entries)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
		e1000_configure_msix(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
	e1000_irq_enable(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
	netif_wake_queue(adapter->netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
	/* fire a link change interrupt to start the watchdog */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
	ew32(ICS, E1000_ICS_LSC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
void e1000e_down(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	u32 tctl, rctl;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
	 * signal that we're down so the interrupt handler does not
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	 * reschedule our watchdog timer
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
	set_bit(__E1000_DOWN, &adapter->state);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	/* disable receives in the hardware */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	rctl = er32(RCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	/* flush and sleep below */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	netif_stop_queue(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	/* disable transmits in the hardware */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
	tctl = er32(TCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	tctl &= ~E1000_TCTL_EN;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
	ew32(TCTL, tctl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	/* flush both disables and wait for them to finish */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
	e1e_flush();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
	msleep(10);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	napi_disable(&adapter->napi);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
	e1000_irq_disable(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
	del_timer_sync(&adapter->watchdog_timer);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	del_timer_sync(&adapter->phy_info_timer);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	netdev->tx_queue_len = adapter->tx_queue_len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
	netif_carrier_off(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
	adapter->link_speed = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
	adapter->link_duplex = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
	if (!pci_channel_offline(adapter->pdev))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
		e1000e_reset(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
	e1000_clean_tx_ring(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
	e1000_clean_rx_ring(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
	if (adapter->flags & FLAG_HAS_ERT)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		                          adapter->netdev->name);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
	 * TODO: for power management, we could drop the link and
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
	 * pci_disable_device here.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
void e1000e_reinit_locked(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	might_sleep();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		msleep(1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
	e1000e_down(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
	e1000e_up(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
	clear_bit(__E1000_RESETTING, &adapter->state);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
 * @adapter: board private structure to initialize
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
 * e1000_sw_init initializes the Adapter private data structure.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
 * Fields are initialized based on PCI device information and
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
 * OS network device settings (MTU size).
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
	adapter->rx_ps_bsize0 = 128;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
	e1000e_set_interrupt_capability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
	if (e1000_alloc_queues(adapter))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
		return -ENOMEM;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
	/* Explicitly disable IRQ since the NIC can be in any state. */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
	e1000_irq_disable(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	set_bit(__E1000_DOWN, &adapter->state);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
 * e1000_intr_msi_test - Interrupt Handler
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
 * @irq: interrupt number
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
 * @data: pointer to a network interface device structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
static irqreturn_t e1000_intr_msi_test(int irq, void *data)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
	struct net_device *netdev = data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
	u32 icr = er32(ICR);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
	e_dbg("icr is %08X\n", icr);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
	if (icr & E1000_ICR_RXSEQ) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		wmb();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
	return IRQ_HANDLED;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
 * e1000_test_msi_interrupt - Returns 0 for successful test
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
 * @adapter: board private struct
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
 * code flow taken from tg3.c
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
	int err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
	/* poll_enable hasn't been called yet, so don't need disable */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
	/* clear any pending events */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	er32(ICR);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	/* free the real vector and request a test handler */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
	e1000_free_irq(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
	e1000e_reset_interrupt_capability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	/* Assume that the test fails, if it succeeds then the test
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	 * MSI irq handler will unset this flag */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
	adapter->flags |= FLAG_MSI_TEST_FAILED;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
	err = pci_enable_msi(adapter->pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
		goto msi_test_failed;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
			  netdev->name, netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
	if (err) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
		pci_disable_msi(adapter->pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
		goto msi_test_failed;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	wmb();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
	e1000_irq_enable(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	/* fire an unusual interrupt on the test handler */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
	ew32(ICS, E1000_ICS_RXSEQ);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
	e1e_flush();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
	msleep(50);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
	e1000_irq_disable(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
	rmb();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
		err = -EIO;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
		e_info("MSI interrupt test failed!\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
	free_irq(adapter->pdev->irq, netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	pci_disable_msi(adapter->pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
	if (err == -EIO)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
		goto msi_test_failed;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
	/* okay so the test worked, restore settings */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
	e_dbg("MSI interrupt test succeeded!\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
msi_test_failed:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
	e1000e_set_interrupt_capability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
	e1000_request_irq(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
	return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
 * e1000_test_msi - Returns 0 if MSI test succeeds or INTx mode is restored
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
 * @adapter: board private struct
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
 * code flow taken from tg3.c, called with e1000 interrupts disabled.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
static int e1000_test_msi(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	int err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	u16 pci_cmd;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
	if (!(adapter->flags & FLAG_MSI_ENABLED))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
		return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	/* disable SERR in case the MSI write causes a master abort */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
	pci_write_config_word(adapter->pdev, PCI_COMMAND,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
			      pci_cmd & ~PCI_COMMAND_SERR);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
	err = e1000_test_msi_interrupt(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
	/* restore previous setting of command word */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
	pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
	/* success ! */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	if (!err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
		return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
	/* EIO means MSI test failed */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
	if (err != -EIO)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
		return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
	/* back to INTx mode */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	e_warn("MSI interrupt test failed, using legacy interrupt.\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	e1000_free_irq(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	err = e1000_request_irq(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
 * e1000_open - Called when a network interface is made active
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
 * @netdev: network interface device structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
 * Returns 0 on success, negative value on failure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
 * The open entry point is called when a network interface is made
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
 * active by the system (IFF_UP).  At this point all resources needed
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
 * for transmit and receive operations are allocated, the interrupt
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
 * handler is registered with the OS, the watchdog timer is started,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
 * and the stack is notified that the interface is ready.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
static int e1000_open(struct net_device *netdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	int err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
	/* disallow open during test */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	if (test_bit(__E1000_TESTING, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
		return -EBUSY;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	netif_carrier_off(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	/* allocate transmit descriptors */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
	err = e1000e_setup_tx_resources(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
		goto err_setup_tx;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
	/* allocate receive descriptors */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	err = e1000e_setup_rx_resources(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
		goto err_setup_rx;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	e1000e_power_up_phy(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	if ((adapter->hw.mng_cookie.status &
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
		e1000_update_mng_vlan(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	 * If AMT is enabled, let the firmware know that the network
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
	 * interface is now open
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
	if (adapter->flags & FLAG_HAS_AMT)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
		e1000_get_hw_control(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	 * before we allocate an interrupt, we must be ready to handle it.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	 * as soon as we call pci_request_irq, so we have to setup our
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	 * clean_rx handler before we do so.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	e1000_configure(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	err = e1000_request_irq(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
		goto err_req_irq;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
	 * Work around PCIe errata with MSI interrupts causing some chipsets to
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	 * ignore e1000e MSI messages, which means we need to test our MSI
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
	 * interrupt now
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
	if (adapter->int_mode != E1000E_INT_MODE_LEGACY) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
		err = e1000_test_msi(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
		if (err) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
			e_err("Interrupt allocation failed\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
			goto err_req_irq;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
	/* From here on the code is the same as e1000e_up() */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	clear_bit(__E1000_DOWN, &adapter->state);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
	napi_enable(&adapter->napi);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	e1000_irq_enable(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	netif_start_queue(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
	/* fire a link status change interrupt to start the watchdog */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
	ew32(ICS, E1000_ICS_LSC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
err_req_irq:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	e1000_release_hw_control(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
	e1000_power_down_phy(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	e1000e_free_rx_resources(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
err_setup_rx:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	e1000e_free_tx_resources(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
err_setup_tx:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	e1000e_reset(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
	return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
 * e1000_close - Disables a network interface
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
 * @netdev: network interface device structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
 * Returns 0, this is not allowed to fail
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
 * The close entry point is called when an interface is de-activated
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
 * by the OS.  The hardware is still under the drivers control, but
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
 * needs to be disabled.  A global MAC reset is issued to stop the
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
 * hardware, and all transmit and receive resources are freed.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
static int e1000_close(struct net_device *netdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	e1000e_down(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	e1000_power_down_phy(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	e1000_free_irq(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	e1000e_free_tx_resources(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	e1000e_free_rx_resources(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	 * kill manageability vlan ID if supported, but not if a vlan with
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
	 * the same ID is registered on the host OS (let 8021q kill it)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	if ((adapter->hw.mng_cookie.status &
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	     !(adapter->vlgrp &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id)))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	 * If AMT is enabled, let the firmware know that the network
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
	 * interface is now closed
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
	if (adapter->flags & FLAG_HAS_AMT)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
		e1000_release_hw_control(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
 * e1000_set_mac - Change the Ethernet Address of the NIC
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
 * @netdev: network interface device structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
 * @p: pointer to an address structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
 * Returns 0 on success, negative on failure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
static int e1000_set_mac(struct net_device *netdev, void *p)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	struct sockaddr *addr = p;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
	if (!is_valid_ether_addr(addr->sa_data))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
		return -EADDRNOTAVAIL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
	memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
	e1000e_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
		/* activate the work around */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
		e1000e_set_laa_state_82571(&adapter->hw, 1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
		 * Hold a copy of the LAA in RAR[14] This is done so that
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
		 * between the time RAR[0] gets clobbered  and the time it
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
		 * of the RARs and no incoming packets directed to this port
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
		 * are dropped. Eventually the LAA will be in RAR[0] and
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
		 * RAR[14]
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
		e1000e_rar_set(&adapter->hw,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
			      adapter->hw.mac.addr,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
			      adapter->hw.mac.rar_entry_count - 1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
 * e1000e_update_phy_task - work thread to update phy
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
 * @work: pointer to our work struct
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
 * this worker thread exists because we must acquire a
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
 * semaphore to read the phy, which we could msleep while
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
 * waiting for it, and we can't msleep in a timer.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
static void e1000e_update_phy_task(struct work_struct *work)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	struct e1000_adapter *adapter = container_of(work,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
					struct e1000_adapter, update_phy_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
	e1000_get_phy_info(&adapter->hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
 * Need to wait a few seconds after link up to get diagnostic information from
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
 * the phy
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
static void e1000_update_phy_info(unsigned long data)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
	schedule_work(&adapter->update_phy_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
 * e1000e_update_stats - Update the board statistics counters
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
void e1000e_update_stats(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	struct pci_dev *pdev = adapter->pdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	u16 phy_data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	 * Prevent stats update while adapter is being reset, or if the pci
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	 * connection is down.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	if (adapter->link_speed == 0)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
		return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	if (pci_channel_offline(pdev))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
		return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
	adapter->stats.crcerrs += er32(CRCERRS);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	adapter->stats.gprc += er32(GPRC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
	adapter->stats.gorc += er32(GORCL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
	er32(GORCH); /* Clear gorc */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	adapter->stats.bprc += er32(BPRC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	adapter->stats.mprc += er32(MPRC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
	adapter->stats.roc += er32(ROC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
	adapter->stats.mpc += er32(MPC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	if ((hw->phy.type == e1000_phy_82578) ||
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
	    (hw->phy.type == e1000_phy_82577)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
		e1e_rphy(hw, HV_SCC_UPPER, &phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
		if (!e1e_rphy(hw, HV_SCC_LOWER, &phy_data))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
			adapter->stats.scc += phy_data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
		e1e_rphy(hw, HV_ECOL_UPPER, &phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
		if (!e1e_rphy(hw, HV_ECOL_LOWER, &phy_data))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
			adapter->stats.ecol += phy_data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
		e1e_rphy(hw, HV_MCC_UPPER, &phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
		if (!e1e_rphy(hw, HV_MCC_LOWER, &phy_data))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
			adapter->stats.mcc += phy_data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
		e1e_rphy(hw, HV_LATECOL_UPPER, &phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
		if (!e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
			adapter->stats.latecol += phy_data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
		e1e_rphy(hw, HV_DC_UPPER, &phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
		if (!e1e_rphy(hw, HV_DC_LOWER, &phy_data))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
			adapter->stats.dc += phy_data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
		adapter->stats.scc += er32(SCC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
		adapter->stats.ecol += er32(ECOL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
		adapter->stats.mcc += er32(MCC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
		adapter->stats.latecol += er32(LATECOL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
		adapter->stats.dc += er32(DC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	adapter->stats.xonrxc += er32(XONRXC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	adapter->stats.xontxc += er32(XONTXC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
	adapter->stats.xoffrxc += er32(XOFFRXC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	adapter->stats.xofftxc += er32(XOFFTXC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	adapter->stats.gptc += er32(GPTC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	adapter->stats.gotc += er32(GOTCL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	er32(GOTCH); /* Clear gotc */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
	adapter->stats.rnbc += er32(RNBC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
	adapter->stats.ruc += er32(RUC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	adapter->stats.mptc += er32(MPTC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
	adapter->stats.bptc += er32(BPTC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	/* used for adaptive IFS */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
	hw->mac.tx_packet_delta = er32(TPT);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	adapter->stats.tpt += hw->mac.tx_packet_delta;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
	if ((hw->phy.type == e1000_phy_82578) ||
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	    (hw->phy.type == e1000_phy_82577)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
		e1e_rphy(hw, HV_COLC_UPPER, &phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
		if (!e1e_rphy(hw, HV_COLC_LOWER, &phy_data))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
			hw->mac.collision_delta = phy_data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
		hw->mac.collision_delta = er32(COLC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
	adapter->stats.colc += hw->mac.collision_delta;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
	adapter->stats.algnerrc += er32(ALGNERRC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	adapter->stats.rxerrc += er32(RXERRC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
	if ((hw->phy.type == e1000_phy_82578) ||
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	    (hw->phy.type == e1000_phy_82577)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
		e1e_rphy(hw, HV_TNCRS_UPPER, &phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
		if (!e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
			adapter->stats.tncrs += phy_data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
		if ((hw->mac.type != e1000_82574) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
		    (hw->mac.type != e1000_82583))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
			adapter->stats.tncrs += er32(TNCRS);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	adapter->stats.cexterr += er32(CEXTERR);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	adapter->stats.tsctc += er32(TSCTC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	adapter->stats.tsctfc += er32(TSCTFC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
	/* Fill out the OS statistics structure */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	netdev->stats.multicast = adapter->stats.mprc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
	netdev->stats.collisions = adapter->stats.colc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	/* Rx Errors */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	 * RLEC on some newer hardware can be incorrect so build
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	 * our own version based on RUC and ROC
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	netdev->stats.rx_errors = adapter->stats.rxerrc +
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
		adapter->stats.crcerrs + adapter->stats.algnerrc +
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
		adapter->stats.ruc + adapter->stats.roc +
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
		adapter->stats.cexterr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	netdev->stats.rx_length_errors = adapter->stats.ruc +
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
					      adapter->stats.roc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	/* Tx Errors */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	netdev->stats.tx_errors = adapter->stats.ecol +
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
				       adapter->stats.latecol;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	netdev->stats.tx_window_errors = adapter->stats.latecol;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	/* Tx Dropped needs to be maintained elsewhere */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
	/* Management Stats */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
	adapter->stats.mgptc += er32(MGTPTC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
	adapter->stats.mgprc += er32(MGTPRC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	adapter->stats.mgpdc += er32(MGTPDC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
 * e1000_phy_read_status - Update the PHY register status snapshot
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
 * @adapter: board private structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
static void e1000_phy_read_status(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	struct e1000_phy_regs *phy = &adapter->phy_regs;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	int ret_val;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	if ((er32(STATUS) & E1000_STATUS_LU) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	    (adapter->hw.phy.media_type == e1000_media_type_copper)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
		ret_val  = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
		ret_val |= e1e_rphy(hw, PHY_STATUS, &phy->bmsr);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
		ret_val |= e1e_rphy(hw, PHY_LP_ABILITY, &phy->lpa);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_EXP, &phy->expansion);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
		ret_val |= e1e_rphy(hw, PHY_1000T_CTRL, &phy->ctrl1000);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
		ret_val |= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
		ret_val |= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
		if (ret_val)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
			e_warn("Error reading PHY register\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
		 * Do not read PHY registers if link is not up
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
		 * Set values to typical power-on defaults
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
		phy->bmcr = (BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_FULLDPLX);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
		phy->bmsr = (BMSR_100FULL | BMSR_100HALF | BMSR_10FULL |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
			     BMSR_10HALF | BMSR_ESTATEN | BMSR_ANEGCAPABLE |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
			     BMSR_ERCAP);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
		phy->advertise = (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
				  ADVERTISE_ALL | ADVERTISE_CSMA);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
		phy->lpa = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
		phy->expansion = EXPANSION_ENABLENPAGE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
		phy->ctrl1000 = ADVERTISE_1000FULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
		phy->stat1000 = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
		phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
static void e1000_print_link_info(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	u32 ctrl = er32(CTRL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	/* Link status message must follow this format for user tools */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
	printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s, "
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	       "Flow Control: %s\n",
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	       adapter->netdev->name,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	       adapter->link_speed,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	       (adapter->link_duplex == FULL_DUPLEX) ?
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
	                        "Full Duplex" : "Half Duplex",
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	       ((ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE)) ?
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	                        "RX/TX" :
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	       ((ctrl & E1000_CTRL_RFCE) ? "RX" :
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	       ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
bool e1000_has_link(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	bool link_active = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	s32 ret_val = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
	 * get_link_status is set on LSC (link status) interrupt or
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
	 * Rx sequence error interrupt.  get_link_status will stay
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	 * false until the check_for_link establishes link
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	 * for copper adapters ONLY
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	switch (hw->phy.media_type) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	case e1000_media_type_copper:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
		if (hw->mac.get_link_status) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
			ret_val = hw->mac.ops.check_for_link(hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
			link_active = !hw->mac.get_link_status;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
		} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
			link_active = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
	case e1000_media_type_fiber:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
		ret_val = hw->mac.ops.check_for_link(hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	case e1000_media_type_internal_serdes:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
		ret_val = hw->mac.ops.check_for_link(hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
		link_active = adapter->hw.mac.serdes_has_link;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	default:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	case e1000_media_type_unknown:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
	if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
		/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
		e_info("Gigabit has been disabled, downgrading speed\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
	return link_active;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
static void e1000e_enable_receives(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
	/* make sure the receive unit is started */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
	    (adapter->flags & FLAG_RX_RESTART_NOW)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
		struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
		u32 rctl = er32(RCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
		ew32(RCTL, rctl | E1000_RCTL_EN);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
		adapter->flags &= ~FLAG_RX_RESTART_NOW;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
 * e1000_watchdog - Timer Call-back
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
 * @data: pointer to adapter cast into an unsigned long
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
static void e1000_watchdog(unsigned long data)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	/* Do the rest outside of interrupt context */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
	schedule_work(&adapter->watchdog_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
	/* TODO: make this use queue_delayed_work() */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
static void e1000_watchdog_task(struct work_struct *work)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	struct e1000_adapter *adapter = container_of(work,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
					struct e1000_adapter, watchdog_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
	struct e1000_mac_info *mac = &adapter->hw.mac;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	struct e1000_phy_info *phy = &adapter->hw.phy;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	u32 link, tctl;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
	int tx_pending = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
	link = e1000_has_link(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	if ((netif_carrier_ok(netdev)) && link) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
		e1000e_enable_receives(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
		goto link_up;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
	    (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
		e1000_update_mng_vlan(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	if (link) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
		if (!netif_carrier_ok(netdev)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
			bool txb2b = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
			/* update snapshot of PHY registers on LSC */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
			e1000_phy_read_status(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
			mac->ops.get_link_up_info(&adapter->hw,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
						   &adapter->link_speed,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
						   &adapter->link_duplex);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
			e1000_print_link_info(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
			/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
			 * On supported PHYs, check for duplex mismatch only
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
			 * if link has autonegotiated at 10/100 half
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
			 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
			if ((hw->phy.type == e1000_phy_igp_3 ||
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
			     hw->phy.type == e1000_phy_bm) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
			    (hw->mac.autoneg == true) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
			    (adapter->link_speed == SPEED_10 ||
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
			     adapter->link_speed == SPEED_100) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
			    (adapter->link_duplex == HALF_DUPLEX)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
				u16 autoneg_exp;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
				e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
				if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
					e_info("Autonegotiated half duplex but"
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
					       " link partner cannot autoneg. "
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
					       " Try forcing full duplex if "
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
					       "link gets many collisions.\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
			/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
			 * tweak tx_queue_len according to speed/duplex
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
			 * and adjust the timeout factor
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
			 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
			netdev->tx_queue_len = adapter->tx_queue_len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
			adapter->tx_timeout_factor = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
			switch (adapter->link_speed) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
			case SPEED_10:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
				txb2b = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
				netdev->tx_queue_len = 10;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
				adapter->tx_timeout_factor = 16;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
				break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
			case SPEED_100:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
				txb2b = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
				netdev->tx_queue_len = 100;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
				adapter->tx_timeout_factor = 10;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
				break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
			/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
			 * workaround: re-program speed mode bit after
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
			 * link-up event
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
			 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
			if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
			    !txb2b) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
				u32 tarc0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
				tarc0 = er32(TARC(0));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
				tarc0 &= ~SPEED_MODE_BIT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
				ew32(TARC(0), tarc0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
			/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
			 * disable TSO for pcie and 10/100 speeds, to avoid
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
			 * some hardware issues
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
			 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
			if (!(adapter->flags & FLAG_TSO_FORCE)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
				switch (adapter->link_speed) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
				case SPEED_10:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
				case SPEED_100:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
					e_info("10/100 speed: disabling TSO\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
					netdev->features &= ~NETIF_F_TSO;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
					netdev->features &= ~NETIF_F_TSO6;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
					break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
				case SPEED_1000:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
					netdev->features |= NETIF_F_TSO;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
					netdev->features |= NETIF_F_TSO6;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
					break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
				default:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
					/* oops */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
					break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
				}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
			/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
			 * enable transmits in the hardware, need to do this
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
			 * after setting TARC(0)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
			 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
			tctl = er32(TCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
			tctl |= E1000_TCTL_EN;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
			ew32(TCTL, tctl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
                        /*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
			 * Perform any post-link-up configuration before
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
			 * reporting link up.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
			 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
			if (phy->ops.cfg_on_link_up)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
				phy->ops.cfg_on_link_up(hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
			netif_carrier_on(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
			if (!test_bit(__E1000_DOWN, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
				mod_timer(&adapter->phy_info_timer,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
					  round_jiffies(jiffies + 2 * HZ));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
		if (netif_carrier_ok(netdev)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
			adapter->link_speed = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
			adapter->link_duplex = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
			/* Link status message must follow this format */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
			printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
			       adapter->netdev->name);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
			netif_carrier_off(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
			if (!test_bit(__E1000_DOWN, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
				mod_timer(&adapter->phy_info_timer,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
					  round_jiffies(jiffies + 2 * HZ));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
			if (adapter->flags & FLAG_RX_NEEDS_RESTART)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
				schedule_work(&adapter->reset_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
link_up:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
	e1000e_update_stats(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
	mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	adapter->tpt_old = adapter->stats.tpt;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
	mac->collision_delta = adapter->stats.colc - adapter->colc_old;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
	adapter->colc_old = adapter->stats.colc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	adapter->gorc_old = adapter->stats.gorc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
	adapter->gotc_old = adapter->stats.gotc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
	e1000e_update_adaptive(&adapter->hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
	if (!netif_carrier_ok(netdev)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
		tx_pending = (e1000_desc_unused(tx_ring) + 1 <
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
			       tx_ring->count);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
		if (tx_pending) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
			/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
			 * We've lost link, so the controller stops DMA,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
			 * but we've got queued Tx work that's never going
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
			 * to get done, so reset controller to flush Tx.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
			 * (Do the reset outside of interrupt context).
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
			 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
			adapter->tx_timeout_count++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
			schedule_work(&adapter->reset_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
			/* return immediately since reset is imminent */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
			return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	/* Cause software interrupt to ensure Rx ring is cleaned */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
	if (adapter->msix_entries)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
		ew32(ICS, adapter->rx_ring->ims_val);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
	else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
		ew32(ICS, E1000_ICS_RXDMT0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	/* Force detection of hung controller every watchdog period */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	adapter->detect_tx_hung = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	 * With 82571 controllers, LAA may be overwritten due to controller
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	 * reset from the other port. Set the appropriate LAA in RAR[0]
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	if (e1000e_get_laa_state_82571(hw))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
		e1000e_rar_set(hw, adapter->hw.mac.addr, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
	/* Reset the timer */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	if (!test_bit(__E1000_DOWN, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
		mod_timer(&adapter->watchdog_timer,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
			  round_jiffies(jiffies + 2 * HZ));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
#define E1000_TX_FLAGS_CSUM		0x00000001
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
#define E1000_TX_FLAGS_VLAN		0x00000002
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
#define E1000_TX_FLAGS_TSO		0x00000004
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
#define E1000_TX_FLAGS_IPV4		0x00000008
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
#define E1000_TX_FLAGS_VLAN_SHIFT	16
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
static int e1000_tso(struct e1000_adapter *adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
		     struct sk_buff *skb)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
	struct e1000_context_desc *context_desc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
	struct e1000_buffer *buffer_info;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
	unsigned int i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
	u32 cmd_length = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
	u16 ipcse = 0, tucse, mss;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	int err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
	if (!skb_is_gso(skb))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
		return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	if (skb_header_cloned(skb)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
		err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
		if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
			return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
	mss = skb_shinfo(skb)->gso_size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
	if (skb->protocol == htons(ETH_P_IP)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
		struct iphdr *iph = ip_hdr(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
		iph->tot_len = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
		iph->check = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
		tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
		                                         0, IPPROTO_TCP, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
		cmd_length = E1000_TXD_CMD_IP;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
		ipcse = skb_transport_offset(skb) - 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	} else if (skb_is_gso_v6(skb)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
		ipv6_hdr(skb)->payload_len = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
		                                       &ipv6_hdr(skb)->daddr,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
		                                       0, IPPROTO_TCP, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
		ipcse = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
	ipcss = skb_network_offset(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
	ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	tucss = skb_transport_offset(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
	tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
	tucse = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
	cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	               E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
	i = tx_ring->next_to_use;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
	buffer_info = &tx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
	context_desc->lower_setup.ip_fields.ipcss  = ipcss;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
	context_desc->lower_setup.ip_fields.ipcso  = ipcso;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
	context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
	context_desc->upper_setup.tcp_fields.tucss = tucss;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
	context_desc->upper_setup.tcp_fields.tucso = tucso;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
	context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
	context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
	buffer_info->time_stamp = jiffies;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
	buffer_info->next_to_watch = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
	i++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
	if (i == tx_ring->count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
		i = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
	tx_ring->next_to_use = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
	return 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	struct e1000_context_desc *context_desc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
	struct e1000_buffer *buffer_info;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
	unsigned int i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	u8 css;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
	u32 cmd_len = E1000_TXD_CMD_DEXT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
	__be16 protocol;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	if (skb->ip_summed != CHECKSUM_PARTIAL)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
		return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
		protocol = skb->protocol;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
	switch (protocol) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
	case cpu_to_be16(ETH_P_IP):
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
			cmd_len |= E1000_TXD_CMD_TCP;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
	case cpu_to_be16(ETH_P_IPV6):
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
		/* XXX not handling all IPV6 headers */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
			cmd_len |= E1000_TXD_CMD_TCP;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
	default:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
		if (unlikely(net_ratelimit()))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
			e_warn("checksum_partial proto=%x!\n",
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
			       be16_to_cpu(protocol));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	css = skb_transport_offset(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	i = tx_ring->next_to_use;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	buffer_info = &tx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	context_desc->lower_setup.ip_config = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	context_desc->upper_setup.tcp_fields.tucss = css;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
	context_desc->upper_setup.tcp_fields.tucso =
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
				css + skb->csum_offset;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	context_desc->upper_setup.tcp_fields.tucse = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
	context_desc->tcp_seg_setup.data = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
	buffer_info->time_stamp = jiffies;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
	buffer_info->next_to_watch = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
	i++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
	if (i == tx_ring->count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
		i = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
	tx_ring->next_to_use = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
	return 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
#define E1000_MAX_PER_TXD	8192
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
#define E1000_MAX_TXD_PWR	12
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
static int e1000_tx_map(struct e1000_adapter *adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
			struct sk_buff *skb, unsigned int first,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
			unsigned int max_per_txd, unsigned int nr_frags,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
			unsigned int mss)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
	struct pci_dev *pdev = adapter->pdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	struct e1000_buffer *buffer_info;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	unsigned int len = skb_headlen(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
	unsigned int offset = 0, size, count = 0, i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
	unsigned int f;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
	i = tx_ring->next_to_use;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
	while (len) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
		buffer_info = &tx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
		size = min(len, max_per_txd);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
		buffer_info->length = size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
		buffer_info->time_stamp = jiffies;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
		buffer_info->next_to_watch = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
		buffer_info->dma = pci_map_single(pdev,	skb->data + offset,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
						  size,	PCI_DMA_TODEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
		buffer_info->mapped_as_page = false;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
		if (pci_dma_mapping_error(pdev, buffer_info->dma))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
			goto dma_error;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
		len -= size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
		offset += size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
		count++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
		if (len) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
			i++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
			if (i == tx_ring->count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
				i = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
	for (f = 0; f < nr_frags; f++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
		struct skb_frag_struct *frag;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
		frag = &skb_shinfo(skb)->frags[f];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
		len = frag->size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
		offset = frag->page_offset;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
		while (len) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
			i++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
			if (i == tx_ring->count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
				i = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
			buffer_info = &tx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
			size = min(len, max_per_txd);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
			buffer_info->length = size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
			buffer_info->time_stamp = jiffies;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
			buffer_info->next_to_watch = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
			buffer_info->dma = pci_map_page(pdev, frag->page,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
							offset, size,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
							PCI_DMA_TODEVICE);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
			buffer_info->mapped_as_page = true;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
			if (pci_dma_mapping_error(pdev, buffer_info->dma))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
				goto dma_error;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
			len -= size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
			offset += size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
			count++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	tx_ring->buffer_info[i].skb = skb;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
	tx_ring->buffer_info[first].next_to_watch = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
	return count;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
dma_error:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
	dev_err(&pdev->dev, "TX DMA map failed\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
	buffer_info->dma = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
	if (count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
		count--;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
	while (count--) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
		if (i==0)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
			i += tx_ring->count;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
		i--;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
		buffer_info = &tx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		e1000_put_txbuf(adapter, buffer_info);;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
static void e1000_tx_queue(struct e1000_adapter *adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
			   int tx_flags, int count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
	struct e1000_tx_desc *tx_desc = NULL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
	struct e1000_buffer *buffer_info;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
	unsigned int i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
	if (tx_flags & E1000_TX_FLAGS_TSO) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
			     E1000_TXD_CMD_TSE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
		if (tx_flags & E1000_TX_FLAGS_IPV4)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
	if (tx_flags & E1000_TX_FLAGS_CSUM) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
	if (tx_flags & E1000_TX_FLAGS_VLAN) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
		txd_lower |= E1000_TXD_CMD_VLE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
	i = tx_ring->next_to_use;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
	while (count--) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
		buffer_info = &tx_ring->buffer_info[i];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
		tx_desc = E1000_TX_DESC(*tx_ring, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
		tx_desc->lower.data =
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
			cpu_to_le32(txd_lower | buffer_info->length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
		tx_desc->upper.data = cpu_to_le32(txd_upper);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
		i++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
		if (i == tx_ring->count)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
			i = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
	 * Force memory writes to complete before letting h/w
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
	 * know there are new descriptors to fetch.  (Only
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
	 * applicable for weak-ordered memory model archs,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
	 * such as IA-64).
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
	wmb();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
	tx_ring->next_to_use = i;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
	writel(i, adapter->hw.hw_addr + tx_ring->tail);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
	 * we need this if more than one processor can write to our tail
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
	 * at a time, it synchronizes IO on IA64/Altix systems
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
	mmiowb();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
#define MINIMUM_DHCP_PACKET_SIZE 282
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
				    struct sk_buff *skb)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
	struct e1000_hw *hw =  &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
	u16 length, offset;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
	if (vlan_tx_tag_present(skb)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
		    (adapter->hw.mng_cookie.status &
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
			return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
		return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
	if (((struct ethhdr *) skb->data)->h_proto != htons(ETH_P_IP))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
		return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
	{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
		const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
		struct udphdr *udp;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
		if (ip->protocol != IPPROTO_UDP)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
			return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
		udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
		if (ntohs(udp->dest) != 67)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
			return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
		offset = (u8 *)udp + 8 - skb->data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
		length = skb->len - offset;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
		return e1000e_mng_write_dhcp_info(hw, (u8 *)udp + 8, length);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	netif_stop_queue(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
	 * Herbert's original patch had:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
	 *  smp_mb__after_netif_stop_queue();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
	 * but since that doesn't exist yet, just open code it.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	smp_mb();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	 * We need to check again in a case another CPU has just
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	 * made room available.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	if (e1000_desc_unused(adapter->tx_ring) < size)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
		return -EBUSY;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
	/* A reprieve! */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
	netif_start_queue(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	++adapter->restart_queue;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
static int e1000_maybe_stop_tx(struct net_device *netdev, int size)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
	if (e1000_desc_unused(adapter->tx_ring) >= size)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
		return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
	return __e1000_maybe_stop_tx(netdev, size);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
				    struct net_device *netdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	struct e1000_ring *tx_ring = adapter->tx_ring;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
	unsigned int first;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
	unsigned int max_per_txd = E1000_MAX_PER_TXD;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	unsigned int tx_flags = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	unsigned int len = skb->len - skb->data_len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	unsigned int nr_frags;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	unsigned int mss;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
	int count = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
	int tso;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
	unsigned int f;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
	if (test_bit(__E1000_DOWN, &adapter->state)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
		dev_kfree_skb_any(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
		return NETDEV_TX_OK;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
	if (skb->len <= 0) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
		dev_kfree_skb_any(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
		return NETDEV_TX_OK;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
	mss = skb_shinfo(skb)->gso_size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
	 * The controller does a simple calculation to
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
	 * make sure there is enough room in the FIFO before
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
	 * initiating the DMA for each buffer.  The calc is:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
	 * 4 = ceil(buffer len/mss).  To make sure we don't
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
	 * overrun the FIFO, adjust the max buffer len if mss
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
	 * drops.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
	if (mss) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
		u8 hdr_len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
		max_per_txd = min(mss << 2, max_per_txd);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
		max_txd_pwr = fls(max_per_txd) - 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
		 * TSO Workaround for 82571/2/3 Controllers -- if skb->data
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
		 * points to just header, pull a few bytes of payload from
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
		 * frags into skb->data
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
		/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
		 * we do this workaround for ES2LAN, but it is un-necessary,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
		 * avoiding it could save a lot of cycles
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		if (skb->data_len && (hdr_len == len)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
			unsigned int pull_size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
			pull_size = min((unsigned int)4, skb->data_len);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
			if (!__pskb_pull_tail(skb, pull_size)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
				e_err("__pskb_pull_tail failed.\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
				dev_kfree_skb_any(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
				return NETDEV_TX_OK;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
			len = skb->len - skb->data_len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
	/* reserve a descriptor for the offload context */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
		count++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
	count++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
	count += TXD_USE_COUNT(len, max_txd_pwr);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
	nr_frags = skb_shinfo(skb)->nr_frags;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
	for (f = 0; f < nr_frags; f++)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
				       max_txd_pwr);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
	if (adapter->hw.mac.tx_pkt_filtering)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
		e1000_transfer_dhcp_info(adapter, skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
	 * need: count + 2 desc gap to keep tail from touching
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
	 * head, otherwise try next time
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
	if (e1000_maybe_stop_tx(netdev, count + 2))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
		return NETDEV_TX_BUSY;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
	if (adapter->vlgrp && vlan_tx_tag_present(skb)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
		tx_flags |= E1000_TX_FLAGS_VLAN;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	first = tx_ring->next_to_use;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	tso = e1000_tso(adapter, skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
	if (tso < 0) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
		dev_kfree_skb_any(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
		return NETDEV_TX_OK;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	if (tso)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
		tx_flags |= E1000_TX_FLAGS_TSO;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	else if (e1000_tx_csum(adapter, skb))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
		tx_flags |= E1000_TX_FLAGS_CSUM;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
	 * Old method was to assume IPv4 packet by default if TSO was enabled.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
	 * no longer assume, we must.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
	if (skb->protocol == htons(ETH_P_IP))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
		tx_flags |= E1000_TX_FLAGS_IPV4;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
	/* if count is 0 then mapping error has occured */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
	count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
	if (count) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
		e1000_tx_queue(adapter, tx_flags, count);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
		/* Make sure there is space in the ring for the next send. */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
		e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
		dev_kfree_skb_any(skb);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
		tx_ring->buffer_info[first].time_stamp = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
		tx_ring->next_to_use = first;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
	return NETDEV_TX_OK;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
 * e1000_tx_timeout - Respond to a Tx Hang
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
 * @netdev: network interface device structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
static void e1000_tx_timeout(struct net_device *netdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
	/* Do the reset outside of interrupt context */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
	adapter->tx_timeout_count++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
	schedule_work(&adapter->reset_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
static void e1000_reset_task(struct work_struct *work)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
	struct e1000_adapter *adapter;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
	adapter = container_of(work, struct e1000_adapter, reset_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
	e1000e_reinit_locked(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
 * e1000_get_stats - Get System Network Statistics
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
 * @netdev: network interface device structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
 * Returns the address of the device statistics structure.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
 * The statistics are actually updated from the timer callback.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
	/* only return the current stats */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
	return &netdev->stats;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
 * e1000_change_mtu - Change the Maximum Transfer Unit
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
 * @netdev: network interface device structure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
 * @new_mtu: new value for maximum frame size
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
 * Returns 0 on success, negative on failure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
	/* Jumbo frame support */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
	if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
	    !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
		e_err("Jumbo Frames not supported.\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
		return -EINVAL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
	/* Supported frame sizes */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
	if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
	    (max_frame > adapter->max_hw_frame_size)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
		e_err("Unsupported MTU setting\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
		return -EINVAL;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
		msleep(1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	/* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
	adapter->max_frame_size = max_frame;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
	netdev->mtu = new_mtu;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	if (netif_running(netdev))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		e1000e_down(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
	 * NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
	 * means we reserve 2 more, this pushes us to allocate from the next
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
	 * larger slab size.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
	 * i.e. RXBUFFER_2048 --> size-4096 slab
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
	 * However with the new *_jumbo_rx* routines, jumbo receives will use
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
	 * fragmented skbs
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
	if (max_frame <= 2048)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
		adapter->rx_buffer_len = 2048;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
	else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
		adapter->rx_buffer_len = 4096;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
	/* adjust allocation if LPE protects us, and we aren't using SBP */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
	     (max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
		adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
					 + ETH_FCS_LEN;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
	if (netif_running(netdev))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
		e1000e_up(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
	else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
		e1000e_reset(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
	clear_bit(__E1000_RESETTING, &adapter->state);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
			   int cmd)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
	struct mii_ioctl_data *data = if_mii(ifr);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
		return -EOPNOTSUPP;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
	switch (cmd) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
	case SIOCGMIIPHY:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
		data->phy_id = adapter->hw.phy.addr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
	case SIOCGMIIREG:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
		e1000_phy_read_status(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
		switch (data->reg_num & 0x1F) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
		case MII_BMCR:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
			data->val_out = adapter->phy_regs.bmcr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
		case MII_BMSR:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
			data->val_out = adapter->phy_regs.bmsr;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
		case MII_PHYSID1:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
			data->val_out = (adapter->hw.phy.id >> 16);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
		case MII_PHYSID2:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
			data->val_out = (adapter->hw.phy.id & 0xFFFF);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
		case MII_ADVERTISE:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
			data->val_out = adapter->phy_regs.advertise;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
		case MII_LPA:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
			data->val_out = adapter->phy_regs.lpa;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
		case MII_EXPANSION:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
			data->val_out = adapter->phy_regs.expansion;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
		case MII_CTRL1000:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
			data->val_out = adapter->phy_regs.ctrl1000;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
		case MII_STAT1000:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
			data->val_out = adapter->phy_regs.stat1000;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
		case MII_ESTATUS:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
			data->val_out = adapter->phy_regs.estatus;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
		default:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
			return -EIO;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
		break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	case SIOCSMIIREG:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
	default:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
		return -EOPNOTSUPP;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
	switch (cmd) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
	case SIOCGMIIPHY:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
	case SIOCGMIIREG:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
	case SIOCSMIIREG:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
		return e1000_mii_ioctl(netdev, ifr, cmd);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
	default:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
		return -EOPNOTSUPP;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
	u32 i, mac_reg;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
	u16 phy_reg;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
	int retval = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
	/* copy MAC RARs to PHY RARs */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
	for (i = 0; i < adapter->hw.mac.rar_entry_count; i++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
		mac_reg = er32(RAL(i));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
		e1e_wphy(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
		e1e_wphy(hw, BM_RAR_M(i), (u16)((mac_reg >> 16) & 0xFFFF));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
		mac_reg = er32(RAH(i));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
		e1e_wphy(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		e1e_wphy(hw, BM_RAR_CTRL(i), (u16)((mac_reg >> 16) & 0xFFFF));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	/* copy MAC MTA to PHY MTA */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
		mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
		e1e_wphy(hw, BM_MTA(i), (u16)(mac_reg & 0xFFFF));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
		e1e_wphy(hw, BM_MTA(i) + 1, (u16)((mac_reg >> 16) & 0xFFFF));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
	/* configure PHY Rx Control register */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
	e1e_rphy(&adapter->hw, BM_RCTL, &phy_reg);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
	mac_reg = er32(RCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
	if (mac_reg & E1000_RCTL_UPE)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
		phy_reg |= BM_RCTL_UPE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
	if (mac_reg & E1000_RCTL_MPE)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
		phy_reg |= BM_RCTL_MPE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
	phy_reg &= ~(BM_RCTL_MO_MASK);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
	if (mac_reg & E1000_RCTL_MO_3)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
		phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
				<< BM_RCTL_MO_SHIFT);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
	if (mac_reg & E1000_RCTL_BAM)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
		phy_reg |= BM_RCTL_BAM;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
	if (mac_reg & E1000_RCTL_PMCF)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
		phy_reg |= BM_RCTL_PMCF;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
	mac_reg = er32(CTRL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
	if (mac_reg & E1000_CTRL_RFCE)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
		phy_reg |= BM_RCTL_RFCE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
	e1e_wphy(&adapter->hw, BM_RCTL, phy_reg);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
	/* enable PHY wakeup in MAC register */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
	ew32(WUFC, wufc);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
	ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
	/* configure and enable PHY wakeup in PHY registers */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
	e1e_wphy(&adapter->hw, BM_WUFC, wufc);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
	e1e_wphy(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
	/* activate PHY wakeup */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
	retval = hw->phy.ops.acquire(hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
	if (retval) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		e_err("Could not acquire PHY\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
		return retval;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
	e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
	                         (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
	retval = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
	if (retval) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
		e_err("Could not read PHY page 769\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
		goto out;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
	phy_reg |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
	retval = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
	if (retval)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
		e_err("Could not set PHY Host Wakeup bit\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
out:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
	hw->phy.ops.release(hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
	return retval;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
	struct net_device *netdev = pci_get_drvdata(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	u32 ctrl, ctrl_ext, rctl, status;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	u32 wufc = adapter->wol;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
	int retval = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
	netif_device_detach(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
	if (netif_running(netdev)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
		e1000e_down(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
		e1000_free_irq(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
	e1000e_reset_interrupt_capability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	retval = pci_save_state(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
	if (retval)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
		return retval;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
	status = er32(STATUS);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
	if (status & E1000_STATUS_LU)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
		wufc &= ~E1000_WUFC_LNKC;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	if (wufc) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
		e1000_setup_rctl(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
		e1000_set_multi(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
		/* turn on all-multi mode if wake on multicast is enabled */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
		if (wufc & E1000_WUFC_MC) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
			rctl = er32(RCTL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
			rctl |= E1000_RCTL_MPE;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
			ew32(RCTL, rctl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
		ctrl = er32(CTRL);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
		/* advertise wake from D3Cold */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
		#define E1000_CTRL_ADVD3WUC 0x00100000
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
		/* phy power management enable */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
		#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
		ctrl |= E1000_CTRL_ADVD3WUC;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
		if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
			ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
		ew32(CTRL, ctrl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
		if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
		    adapter->hw.phy.media_type ==
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
		    e1000_media_type_internal_serdes) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
			/* keep the laser running in D3 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
			ctrl_ext = er32(CTRL_EXT);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
			ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
			ew32(CTRL_EXT, ctrl_ext);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
		if (adapter->flags & FLAG_IS_ICH)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
			e1000e_disable_gig_wol_ich8lan(&adapter->hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
		/* Allow time for pending master requests to run */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
		e1000e_disable_pcie_master(&adapter->hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
		if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
			/* enable wakeup by the PHY */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
			retval = e1000_init_phy_wakeup(adapter, wufc);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
			if (retval)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
				return retval;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
		} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
			/* enable wakeup by the MAC */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
			ew32(WUFC, wufc);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
			ew32(WUC, E1000_WUC_PME_EN);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
		ew32(WUC, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
		ew32(WUFC, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	*enable_wake = !!wufc;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	/* make sure adapter isn't asleep if manageability is enabled */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	if ((adapter->flags & FLAG_MNG_PT_ENABLED) ||
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	    (hw->mac.ops.check_mng_mode(hw)))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
		*enable_wake = true;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
	if (adapter->hw.phy.type == e1000_phy_igp_3)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
	 * would have already happened in close and is redundant.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
	e1000_release_hw_control(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
	pci_disable_device(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
static void e1000_power_off(struct pci_dev *pdev, bool sleep, bool wake)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
	if (sleep && wake) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
		pci_prepare_to_sleep(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
		return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
	pci_wake_from_d3(pdev, wake);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
	pci_set_power_state(pdev, PCI_D3hot);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
                                    bool wake)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	struct net_device *netdev = pci_get_drvdata(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
	 * The pci-e switch on some quad port adapters will report a
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
	 * correctable error when the MAC transitions from D0 to D3.  To
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	 * prevent this we need to mask off the correctable errors on the
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
	 * downstream port of the pci-e switch.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
	if (adapter->flags & FLAG_IS_QUAD_PORT) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
		struct pci_dev *us_dev = pdev->bus->self;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
		int pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
		u16 devctl;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
		                      (devctl & ~PCI_EXP_DEVCTL_CERE));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
		e1000_power_off(pdev, sleep, wake);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL, devctl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
		e1000_power_off(pdev, sleep, wake);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
static void e1000e_disable_l1aspm(struct pci_dev *pdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
	int pos;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
	u16 val;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
	 * 82573 workaround - disable L1 ASPM on mobile chipsets
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
	 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	 * L1 ASPM on various mobile (ich7) chipsets do not behave properly
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
	 * resulting in lost data or garbage information on the pci-e link
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
	 * level. This could result in (false) bad EEPROM checksum errors,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
	 * long ping times (up to 2s) or even a system freeze/hang.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
	 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
	 * Unfortunately this feature saves about 1W power consumption when
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
	 * active.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
	pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
	pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &val);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
	if (val & 0x2) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
		dev_warn(&pdev->dev, "Disabling L1 ASPM\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
		val &= ~0x2;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
		pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, val);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
#ifdef CONFIG_PM
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
	int retval;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
	bool wake;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
	retval = __e1000_shutdown(pdev, &wake);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	if (!retval)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
		e1000_complete_shutdown(pdev, true, wake);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
	return retval;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
static int e1000_resume(struct pci_dev *pdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
	struct net_device *netdev = pci_get_drvdata(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
	u32 err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
	pci_set_power_state(pdev, PCI_D0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
	pci_restore_state(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
	pci_save_state(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
	e1000e_disable_l1aspm(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
	err = pci_enable_device_mem(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
	if (err) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
		dev_err(&pdev->dev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
			"Cannot enable PCI device from suspend\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
		return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
	pci_set_master(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
	pci_enable_wake(pdev, PCI_D3hot, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
	pci_enable_wake(pdev, PCI_D3cold, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
	e1000e_set_interrupt_capability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
	if (netif_running(netdev)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
		err = e1000_request_irq(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
		if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
			return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
	e1000e_power_up_phy(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
	/* report the system wakeup cause from S3/S4 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
		u16 phy_data;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
		e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
		if (phy_data) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
			e_info("PHY Wakeup cause - %s\n",
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
				phy_data & E1000_WUS_EX ? "Unicast Packet" :
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
				phy_data & E1000_WUS_MC ? "Multicast Packet" :
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
				phy_data & E1000_WUS_BC ? "Broadcast Packet" :
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
				phy_data & E1000_WUS_MAG ? "Magic Packet" :
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
				phy_data & E1000_WUS_LNKC ? "Link Status "
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
				" Change" : "other");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
		e1e_wphy(&adapter->hw, BM_WUS, ~0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
		u32 wus = er32(WUS);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
		if (wus) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
			e_info("MAC Wakeup cause - %s\n",
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
				wus & E1000_WUS_EX ? "Unicast Packet" :
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
				wus & E1000_WUS_MC ? "Multicast Packet" :
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
				wus & E1000_WUS_BC ? "Broadcast Packet" :
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
				wus & E1000_WUS_MAG ? "Magic Packet" :
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
				wus & E1000_WUS_LNKC ? "Link Status Change" :
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
				"other");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
		ew32(WUS, ~0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
	e1000e_reset(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
	e1000_init_manageability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
	if (netif_running(netdev))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
		e1000e_up(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
	netif_device_attach(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	 * If the controller has AMT, do not set DRV_LOAD until the interface
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	 * is up.  For all other cases, let the f/w know that the h/w is now
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
	 * under the control of the driver.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	if (!(adapter->flags & FLAG_HAS_AMT))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
		e1000_get_hw_control(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
#endif
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
static void e1000_shutdown(struct pci_dev *pdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	bool wake = false;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
	__e1000_shutdown(pdev, &wake);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
	if (system_state == SYSTEM_POWER_OFF)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
		e1000_complete_shutdown(pdev, false, wake);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
#ifdef CONFIG_NET_POLL_CONTROLLER
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
 * Polling 'interrupt' - used by things like netconsole to send skbs
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
 * without having to re-enable interrupts. It's not called while
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
 * the interrupt routine is executing.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
static void e1000_netpoll(struct net_device *netdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	disable_irq(adapter->pdev->irq);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	e1000_intr(adapter->pdev->irq, netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	enable_irq(adapter->pdev->irq);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
#endif
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
 * e1000_io_error_detected - called when PCI error is detected
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
 * @pdev: Pointer to PCI device
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
 * @state: The current pci connection state
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
 * This function is called after a PCI bus error affecting
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
 * this device has been detected.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
						pci_channel_state_t state)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
	struct net_device *netdev = pci_get_drvdata(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
	netif_device_detach(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	if (state == pci_channel_io_perm_failure)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
		return PCI_ERS_RESULT_DISCONNECT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
	if (netif_running(netdev))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
		e1000e_down(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
	pci_disable_device(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
	/* Request a slot slot reset. */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	return PCI_ERS_RESULT_NEED_RESET;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
 * e1000_io_slot_reset - called after the pci bus has been reset.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
 * @pdev: Pointer to PCI device
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
 * Restart the card from scratch, as if from a cold-boot. Implementation
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
 * resembles the first-half of the e1000_resume routine.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
	struct net_device *netdev = pci_get_drvdata(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
	int err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
	pci_ers_result_t result;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
	e1000e_disable_l1aspm(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	err = pci_enable_device_mem(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	if (err) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
		dev_err(&pdev->dev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
			"Cannot re-enable PCI device after reset.\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
		result = PCI_ERS_RESULT_DISCONNECT;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
		pci_set_master(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
		pci_restore_state(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
		pci_save_state(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
		pci_enable_wake(pdev, PCI_D3hot, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
		pci_enable_wake(pdev, PCI_D3cold, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
		e1000e_reset(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
		ew32(WUS, ~0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
		result = PCI_ERS_RESULT_RECOVERED;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
	pci_cleanup_aer_uncorrect_error_status(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
	return result;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
 * e1000_io_resume - called when traffic can start flowing again.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
 * @pdev: Pointer to PCI device
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
 * This callback is called when the error recovery driver tells us that
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
 * its OK to resume normal operation. Implementation resembles the
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
 * second-half of the e1000_resume routine.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
static void e1000_io_resume(struct pci_dev *pdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
	struct net_device *netdev = pci_get_drvdata(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
	e1000_init_manageability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
	if (netif_running(netdev)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
		if (e1000e_up(adapter)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
			dev_err(&pdev->dev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
				"can't bring device back up after reset\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
			return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
	netif_device_attach(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
	 * If the controller has AMT, do not set DRV_LOAD until the interface
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
	 * is up.  For all other cases, let the f/w know that the h/w is now
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
	 * under the control of the driver.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
	if (!(adapter->flags & FLAG_HAS_AMT))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
		e1000_get_hw_control(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
static void e1000_print_device_info(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
	struct net_device *netdev = adapter->netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
	u32 pba_num;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
	/* print bus type/speed/width info */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
	e_info("(PCI Express:2.5GB/s:%s) %pM\n",
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
	       /* bus width */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
	       ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
	        "Width x1"),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
	       /* MAC address */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	       netdev->dev_addr);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
	e_info("Intel(R) PRO/%s Network Connection\n",
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
	       (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
	e1000e_read_pba_num(hw, &pba_num);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
	e_info("MAC: %d, PHY: %d, PBA No: %06x-%03x\n",
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	       hw->mac.type, hw->phy.type, (pba_num >> 8), (pba_num & 0xff));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
static void e1000_eeprom_checks(struct e1000_adapter *adapter)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
	struct e1000_hw *hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
	int ret_val;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	u16 buf = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	if (hw->mac.type != e1000_82573)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
		return;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
	if (!ret_val && (!(le16_to_cpu(buf) & (1 << 0)))) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
		/* Deep Smart Power Down (DSPD) */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
		dev_warn(&adapter->pdev->dev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
			 "Warning: detected DSPD enabled in EEPROM\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	ret_val = e1000_read_nvm(hw, NVM_INIT_3GIO_3, 1, &buf);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
	if (!ret_val && (le16_to_cpu(buf) & (3 << 2))) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
		/* ASPM enable */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
		dev_warn(&adapter->pdev->dev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
			 "Warning: detected ASPM enabled in EEPROM\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
static const struct net_device_ops e1000e_netdev_ops = {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
	.ndo_open		= e1000_open,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
	.ndo_stop		= e1000_close,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
	.ndo_start_xmit		= e1000_xmit_frame,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
	.ndo_get_stats		= e1000_get_stats,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
	.ndo_set_multicast_list	= e1000_set_multi,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
	.ndo_set_mac_address	= e1000_set_mac,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	.ndo_change_mtu		= e1000_change_mtu,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
	.ndo_do_ioctl		= e1000_ioctl,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
	.ndo_tx_timeout		= e1000_tx_timeout,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
	.ndo_validate_addr	= eth_validate_addr,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
#ifdef CONFIG_NET_POLL_CONTROLLER
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
	.ndo_poll_controller	= e1000_netpoll,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
#endif
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
};
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
 * e1000_probe - Device Initialization Routine
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
 * @pdev: PCI device information struct
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
 * @ent: entry in e1000_pci_tbl
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
 * Returns 0 on success, negative on failure
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
 * e1000_probe initializes an adapter identified by a pci_dev structure.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
 * The OS initialization, configuring of the adapter private structure,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
 * and a hardware reset occur.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
static int __devinit e1000_probe(struct pci_dev *pdev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
				 const struct pci_device_id *ent)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
	struct net_device *netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
	struct e1000_adapter *adapter;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
	struct e1000_hw *hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
	resource_size_t mmio_start, mmio_len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
	resource_size_t flash_start, flash_len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
	static int cards_found;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
	int i, err, pci_using_dac;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
	u16 eeprom_data = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
	e1000e_disable_l1aspm(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
	err = pci_enable_device_mem(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
		return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
	pci_using_dac = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
	err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
	if (!err) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
		err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
		if (!err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
			pci_using_dac = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
	} else {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
		if (err) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
			err = pci_set_consistent_dma_mask(pdev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
							  DMA_BIT_MASK(32));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
			if (err) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
				dev_err(&pdev->dev, "No usable DMA "
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
					"configuration, aborting\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
				goto err_dma;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
			}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
	err = pci_request_selected_regions_exclusive(pdev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
	                                  pci_select_bars(pdev, IORESOURCE_MEM),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
	                                  e1000e_driver_name);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
		goto err_pci_reg;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
	/* AER (Advanced Error Reporting) hooks */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	pci_enable_pcie_error_reporting(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
	pci_set_master(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
	/* PCI config space info */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
	err = pci_save_state(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
		goto err_alloc_etherdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
	err = -ENOMEM;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
	if (!netdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
		goto err_alloc_etherdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
	SET_NETDEV_DEV(netdev, &pdev->dev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
	pci_set_drvdata(pdev, netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
	adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
	hw = &adapter->hw;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
	adapter->netdev = netdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
	adapter->pdev = pdev;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
	adapter->ei = ei;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
	adapter->pba = ei->pba;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	adapter->flags = ei->flags;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
	adapter->flags2 = ei->flags2;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
	adapter->hw.adapter = adapter;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	adapter->hw.mac.type = ei->mac;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
	adapter->max_hw_frame_size = ei->max_hw_frame_size;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
	adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
	mmio_start = pci_resource_start(pdev, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
	mmio_len = pci_resource_len(pdev, 0);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	err = -EIO;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
	if (!adapter->hw.hw_addr)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
		goto err_ioremap;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	if ((adapter->flags & FLAG_HAS_FLASH) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	    (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
		flash_start = pci_resource_start(pdev, 1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
		flash_len = pci_resource_len(pdev, 1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
		if (!adapter->hw.flash_address)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
			goto err_flashmap;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
	/* construct the net_device struct */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
	netdev->netdev_ops		= &e1000e_netdev_ops;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
	e1000e_set_ethtool_ops(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
	netdev->watchdog_timeo		= 5 * HZ;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
	netdev->mem_start = mmio_start;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
	netdev->mem_end = mmio_start + mmio_len;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
	adapter->bd_number = cards_found++;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
	e1000e_check_options(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
	/* setup adapter struct */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
	err = e1000_sw_init(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
		goto err_sw_init;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
	err = -EIO;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
	err = ei->get_variants(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
		goto err_hw_init;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
	if ((adapter->flags & FLAG_IS_ICH) &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
	    (adapter->flags & FLAG_READ_ONLY_NVM))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
		e1000e_write_protect_nvm_ich8lan(&adapter->hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
	hw->mac.ops.get_bus_info(&adapter->hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
	adapter->hw.phy.autoneg_wait_to_complete = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
	/* Copper options */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
		adapter->hw.phy.mdix = AUTO_ALL_MODES;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
		adapter->hw.phy.disable_polarity_correction = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
		adapter->hw.phy.ms_type = e1000_ms_hw_default;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
	if (e1000_check_reset_block(&adapter->hw))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
		e_info("PHY reset is blocked due to SOL/IDER session.\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
	netdev->features = NETIF_F_SG |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
			   NETIF_F_HW_CSUM |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
			   NETIF_F_HW_VLAN_TX |
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
			   NETIF_F_HW_VLAN_RX;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
		netdev->features |= NETIF_F_HW_VLAN_FILTER;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
	netdev->features |= NETIF_F_TSO;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
	netdev->features |= NETIF_F_TSO6;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
	netdev->vlan_features |= NETIF_F_TSO;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
	netdev->vlan_features |= NETIF_F_TSO6;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
	netdev->vlan_features |= NETIF_F_HW_CSUM;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
	netdev->vlan_features |= NETIF_F_SG;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
	if (pci_using_dac)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
		netdev->features |= NETIF_F_HIGHDMA;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
	if (e1000e_enable_mng_pass_thru(&adapter->hw))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
		adapter->flags |= FLAG_MNG_PT_ENABLED;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
	 * before reading the NVM, reset the controller to
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
	 * put the device in a known good starting state
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
	adapter->hw.mac.ops.reset_hw(&adapter->hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
	 * systems with ASPM and others may see the checksum fail on the first
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
	 * attempt. Let's give it a few tries
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
	for (i = 0;; i++) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
		if (e1000_validate_nvm_checksum(&adapter->hw) >= 0)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
			break;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
		if (i == 2) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
			e_err("The NVM Checksum Is Not Valid\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
			err = -EIO;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
			goto err_eeprom;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
		}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
	e1000_eeprom_checks(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
	/* copy the MAC address out of the NVM */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
	if (e1000e_read_mac_addr(&adapter->hw))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
		e_err("NVM Read Error while reading MAC address\n");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
	memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
	if (!is_valid_ether_addr(netdev->perm_addr)) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
		e_err("Invalid MAC Address: %pM\n", netdev->perm_addr);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
		err = -EIO;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
		goto err_eeprom;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
	init_timer(&adapter->watchdog_timer);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
	adapter->watchdog_timer.function = &e1000_watchdog;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
	adapter->watchdog_timer.data = (unsigned long) adapter;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
	init_timer(&adapter->phy_info_timer);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
	adapter->phy_info_timer.function = &e1000_update_phy_info;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
	adapter->phy_info_timer.data = (unsigned long) adapter;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
	INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
	/* Initialize link parameters. User can change them with ethtool */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
	adapter->hw.mac.autoneg = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
	adapter->fc_autoneg = 1;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
	adapter->hw.fc.requested_mode = e1000_fc_default;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
	adapter->hw.fc.current_mode = e1000_fc_default;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
	adapter->hw.phy.autoneg_advertised = 0x2f;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
	/* ring size defaults */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
	adapter->rx_ring->count = 256;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
	adapter->tx_ring->count = 256;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
	 * Initial Wake on LAN setting - If APM wake is enabled in
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
	 * the EEPROM, enable the ACPI Magic Packet filter
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
	if (adapter->flags & FLAG_APME_IN_WUC) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
		/* APME bit in EEPROM is mapped to WUC.APME */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
		eeprom_data = er32(WUC);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
		eeprom_apme_mask = E1000_WUC_APME;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
		if (eeprom_data & E1000_WUC_PHY_WAKE)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
			adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
	} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
		if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
		    (adapter->hw.bus.func == 1))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
			e1000_read_nvm(&adapter->hw,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
				NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
		else
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
			e1000_read_nvm(&adapter->hw,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
				NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
	}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
	/* fetch WoL from EEPROM */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
	if (eeprom_data & eeprom_apme_mask)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
		adapter->eeprom_wol |= E1000_WUFC_MAG;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
	 * now that we have the eeprom settings, apply the special cases
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
	 * where the eeprom may be wrong or the board simply won't support
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
	 * wake on lan on a particular port
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
	if (!(adapter->flags & FLAG_HAS_WOL))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
		adapter->eeprom_wol = 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
	/* initialize the wol settings based on the eeprom settings */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
	adapter->wol = adapter->eeprom_wol;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
	/* save off EEPROM version number */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
	/* reset the hardware with the new settings */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
	e1000e_reset(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
	 * If the controller has AMT, do not set DRV_LOAD until the interface
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
	 * is up.  For all other cases, let the f/w know that the h/w is now
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
	 * under the control of the driver.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
	if (!(adapter->flags & FLAG_HAS_AMT))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
		e1000_get_hw_control(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
	strcpy(netdev->name, "eth%d");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
	err = register_netdev(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
	if (err)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
		goto err_register;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
	/* carrier off reporting is important to ethtool even BEFORE open */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
	netif_carrier_off(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
	e1000_print_device_info(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
	return 0;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
err_register:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
	if (!(adapter->flags & FLAG_HAS_AMT))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
		e1000_release_hw_control(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
err_eeprom:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
	if (!e1000_check_reset_block(&adapter->hw))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
		e1000_phy_hw_reset(&adapter->hw);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
err_hw_init:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
	kfree(adapter->tx_ring);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
	kfree(adapter->rx_ring);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
err_sw_init:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
	if (adapter->hw.flash_address)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
		iounmap(adapter->hw.flash_address);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
	e1000e_reset_interrupt_capability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
err_flashmap:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
	iounmap(adapter->hw.hw_addr);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
err_ioremap:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
	free_netdev(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
err_alloc_etherdev:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
	pci_release_selected_regions(pdev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
	                             pci_select_bars(pdev, IORESOURCE_MEM));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
err_pci_reg:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
err_dma:
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
	pci_disable_device(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
	return err;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
 * e1000_remove - Device Removal Routine
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
 * @pdev: PCI device information struct
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
 * e1000_remove is called by the PCI subsystem to alert the driver
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
 * that it should release a PCI device.  The could be caused by a
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
 * Hot-Plug event, or because the driver is going to be removed from
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
 * memory.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
static void __devexit e1000_remove(struct pci_dev *pdev)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
	struct net_device *netdev = pci_get_drvdata(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
	struct e1000_adapter *adapter = netdev_priv(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
	 * flush_scheduled work may reschedule our watchdog task, so
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
	 * explicitly disable watchdog tasks from being rescheduled
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
	set_bit(__E1000_DOWN, &adapter->state);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
	del_timer_sync(&adapter->watchdog_timer);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
	del_timer_sync(&adapter->phy_info_timer);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
	cancel_work_sync(&adapter->reset_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
	cancel_work_sync(&adapter->watchdog_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
	cancel_work_sync(&adapter->downshift_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
	cancel_work_sync(&adapter->update_phy_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
	cancel_work_sync(&adapter->print_hang_task);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
	flush_scheduled_work();
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
	if (!(netdev->flags & IFF_UP))
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
		e1000_power_down_phy(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
	unregister_netdev(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
	/*
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
	 * would have already happened in close and is redundant.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
	 */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
	e1000_release_hw_control(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
	e1000e_reset_interrupt_capability(adapter);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
	kfree(adapter->tx_ring);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
	kfree(adapter->rx_ring);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
	iounmap(adapter->hw.hw_addr);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
	if (adapter->hw.flash_address)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
		iounmap(adapter->hw.flash_address);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
	pci_release_selected_regions(pdev,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
	                             pci_select_bars(pdev, IORESOURCE_MEM));
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
	free_netdev(netdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
	/* AER disable */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
	pci_disable_pcie_error_reporting(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
	pci_disable_device(pdev);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
/* PCI Error Recovery (ERS) */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
static struct pci_error_handlers e1000_err_handler = {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
	.error_detected = e1000_io_error_detected,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
	.slot_reset = e1000_io_slot_reset,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
	.resume = e1000_io_resume,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
};
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
static struct pci_device_id e1000_pci_tbl[] = {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP), board_82571 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
	  board_80003es2lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
	  board_80003es2lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_DPT),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
	  board_80003es2lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
	  board_80003es2lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_AMT), board_ich8lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LM), board_ich9lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
	{ }	/* terminate list */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
};
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
/* PCI Device API Driver */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
static struct pci_driver e1000_driver = {
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
	.name     = e1000e_driver_name,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
	.id_table = e1000_pci_tbl,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
	.probe    = e1000_probe,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
	.remove   = __devexit_p(e1000_remove),
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
#ifdef CONFIG_PM
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
	/* Power Management Hooks */
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
	.suspend  = e1000_suspend,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
	.resume   = e1000_resume,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
#endif
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
	.shutdown = e1000_shutdown,
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
	.err_handler = &e1000_err_handler
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
};
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
 * e1000_init_module - Driver Registration Routine
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
 * e1000_init_module is the first routine called when the driver is
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
 * loaded. All it does is register with the PCI subsystem.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
static int __init e1000_init_module(void)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
	int ret;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
	printk(KERN_INFO "%s: Intel(R) PRO/1000 Network Driver - %s\n",
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
	       e1000e_driver_name, e1000e_driver_version);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
	printk(KERN_INFO "%s: Copyright (c) 1999 - 2009 Intel Corporation.\n",
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
	       e1000e_driver_name);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
	ret = pci_register_driver(&e1000_driver);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
	return ret;
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
module_init(e1000_init_module);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
/**
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
 * e1000_exit_module - Driver Exit Cleanup Routine
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
 *
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
 * e1000_exit_module is called just before the driver is removed
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
 * from memory.
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
 **/
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
static void __exit e1000_exit_module(void)
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
{
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
	pci_unregister_driver(&e1000_driver);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
}
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
module_exit(e1000_exit_module);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
MODULE_LICENSE("GPL");
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
MODULE_VERSION(DRV_VERSION);
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
cedacf485d81 Added e1000e driver for 2.6.33.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
/* e1000_main.c */