devices/e1000e/netdev-2.6.35-ethercat.c
author Gavin Lambert <gavinl@compacsort.com>
Tue, 14 Apr 2015 09:33:24 -0400
changeset 2618 3affe9cd0b66
parent 2589 2b9c78543663
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.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2009 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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  vim: noexpandtab
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*******************************************************************************/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <linux/vmalloc.h>
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#include <linux/pagemap.h>
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#include <linux/delay.h>
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#include <linux/netdevice.h>
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#include <linux/tcp.h>
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#include <linux/ipv6.h>
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#include <linux/slab.h>
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#include <net/checksum.h>
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#include <net/ip6_checksum.h>
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#include <linux/mii.h>
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#include <linux/ethtool.h>
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#include <linux/if_vlan.h>
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#include <linux/cpu.h>
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#include <linux/smp.h>
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#include <linux/pm_qos_params.h>
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#include <linux/pm_runtime.h>
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#include <linux/aer.h>
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#include "e1000-2.6.35-ethercat.h"
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#define DRV_VERSION "1.0.2-k4 (EtherCAT)"
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char e1000e_driver_name[] = "ec_e1000e";
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const char e1000e_driver_version[] = DRV_VERSION;
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static const struct e1000_info *e1000_info_tbl[] = {
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	[board_82571]		= &e1000_82571_info,
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	[board_82572]		= &e1000_82572_info,
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	[board_82573]		= &e1000_82573_info,
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	[board_82574]		= &e1000_82574_info,
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	[board_82583]		= &e1000_82583_info,
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	[board_80003es2lan]	= &e1000_es2_info,
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	[board_ich8lan]		= &e1000_ich8_info,
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	[board_ich9lan]		= &e1000_ich9_info,
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	[board_ich10lan]	= &e1000_ich10_info,
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	[board_pchlan]		= &e1000_pch_info,
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};
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struct e1000_reg_info {
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	u32 ofs;
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	char *name;
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};
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#define E1000_RDFH	0x02410 /* Rx Data FIFO Head - RW */
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#define E1000_RDFT	0x02418 /* Rx Data FIFO Tail - RW */
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#define E1000_RDFHS	0x02420 /* Rx Data FIFO Head Saved - RW */
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#define E1000_RDFTS	0x02428 /* Rx Data FIFO Tail Saved - RW */
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#define E1000_RDFPC	0x02430 /* Rx Data FIFO Packet Count - RW */
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#define E1000_TDFH	0x03410 /* Tx Data FIFO Head - RW */
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#define E1000_TDFT	0x03418 /* Tx Data FIFO Tail - RW */
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#define E1000_TDFHS	0x03420 /* Tx Data FIFO Head Saved - RW */
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#define E1000_TDFTS	0x03428 /* Tx Data FIFO Tail Saved - RW */
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#define E1000_TDFPC	0x03430 /* Tx Data FIFO Packet Count - RW */
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static const struct e1000_reg_info e1000_reg_info_tbl[] = {
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	/* General Registers */
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	{E1000_CTRL, "CTRL"},
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	{E1000_STATUS, "STATUS"},
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	{E1000_CTRL_EXT, "CTRL_EXT"},
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	/* Interrupt Registers */
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	{E1000_ICR, "ICR"},
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	/* RX Registers */
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	{E1000_RCTL, "RCTL"},
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	{E1000_RDLEN, "RDLEN"},
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	{E1000_RDH, "RDH"},
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	{E1000_RDT, "RDT"},
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	{E1000_RDTR, "RDTR"},
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	{E1000_RXDCTL(0), "RXDCTL"},
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	{E1000_ERT, "ERT"},
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	{E1000_RDBAL, "RDBAL"},
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	{E1000_RDBAH, "RDBAH"},
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	{E1000_RDFH, "RDFH"},
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	{E1000_RDFT, "RDFT"},
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	{E1000_RDFHS, "RDFHS"},
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	{E1000_RDFTS, "RDFTS"},
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	{E1000_RDFPC, "RDFPC"},
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	/* TX Registers */
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	{E1000_TCTL, "TCTL"},
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	{E1000_TDBAL, "TDBAL"},
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	{E1000_TDBAH, "TDBAH"},
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	{E1000_TDLEN, "TDLEN"},
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	{E1000_TDH, "TDH"},
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	{E1000_TDT, "TDT"},
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	{E1000_TIDV, "TIDV"},
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	{E1000_TXDCTL(0), "TXDCTL"},
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	{E1000_TADV, "TADV"},
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	{E1000_TARC(0), "TARC"},
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diff changeset
   128
	{E1000_TDFH, "TDFH"},
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   129
	{E1000_TDFT, "TDFT"},
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   130
	{E1000_TDFHS, "TDFHS"},
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   131
	{E1000_TDFTS, "TDFTS"},
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   132
	{E1000_TDFPC, "TDFPC"},
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   133
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   134
	/* List Terminator */
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
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   135
	{}
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   136
};
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   137
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   138
/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   139
 * e1000_regdump - register printout routine
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   140
 */
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   141
static void e1000_regdump(struct e1000_hw *hw, struct e1000_reg_info *reginfo)
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   142
{
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   143
	int n = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   144
	char rname[16];
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parents:
diff changeset
   145
	u32 regs[8];
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   146
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   147
	switch (reginfo->ofs) {
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   148
	case E1000_RXDCTL(0):
8ebecea534d3 Added e1000e driver for 2.6.35.
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   149
		for (n = 0; n < 2; n++)
8ebecea534d3 Added e1000e driver for 2.6.35.
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diff changeset
   150
			regs[n] = __er32(hw, E1000_RXDCTL(n));
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
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   151
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   152
	case E1000_TXDCTL(0):
8ebecea534d3 Added e1000e driver for 2.6.35.
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   153
		for (n = 0; n < 2; n++)
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   154
			regs[n] = __er32(hw, E1000_TXDCTL(n));
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
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   155
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   156
	case E1000_TARC(0):
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
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   157
		for (n = 0; n < 2; n++)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   158
			regs[n] = __er32(hw, E1000_TARC(n));
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   159
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   160
	default:
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   161
		printk(KERN_INFO "%-15s %08x\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   162
			reginfo->name, __er32(hw, reginfo->ofs));
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   163
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   164
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   165
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   166
	snprintf(rname, 16, "%s%s", reginfo->name, "[0-1]");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   167
	printk(KERN_INFO "%-15s ", rname);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   168
	for (n = 0; n < 2; n++)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   169
		printk(KERN_CONT "%08x ", regs[n]);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   170
	printk(KERN_CONT "\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   171
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   172
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   173
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   174
/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   175
 * e1000e_dump - Print registers, tx-ring and rx-ring
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   176
 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   177
static void e1000e_dump(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   178
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   179
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   180
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   181
	struct e1000_reg_info *reginfo;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   182
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
	struct e1000_tx_desc *tx_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   184
	struct my_u0 { u64 a; u64 b; } *u0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   185
	struct e1000_buffer *buffer_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
	struct e1000_ring *rx_ring = adapter->rx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
	union e1000_rx_desc_packet_split *rx_desc_ps;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
	struct e1000_rx_desc *rx_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
	struct my_u1 { u64 a; u64 b; u64 c; u64 d; } *u1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
	u32 staterr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
	int i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
	if (!netif_msg_hw(adapter))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
	/* Print netdevice Info */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
	if (netdev) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
		dev_info(&adapter->pdev->dev, "Net device Info\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
		printk(KERN_INFO "Device Name     state            "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
			"trans_start      last_rx\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
		printk(KERN_INFO "%-15s %016lX %016lX %016lX\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
			netdev->name,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
			netdev->state,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
			netdev->trans_start,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
			netdev->last_rx);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
	/* Print Registers */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
	dev_info(&adapter->pdev->dev, "Register Dump\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
	printk(KERN_INFO " Register Name   Value\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
	for (reginfo = (struct e1000_reg_info *)e1000_reg_info_tbl;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
	     reginfo->name; reginfo++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
		e1000_regdump(hw, reginfo);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
	/* Print TX Ring Summary */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
	if (!netdev || !netif_running(netdev))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
		goto exit;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
	dev_info(&adapter->pdev->dev, "TX Rings Summary\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
	printk(KERN_INFO "Queue [NTU] [NTC] [bi(ntc)->dma  ]"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
		" leng ntw timestamp\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
	buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
	printk(KERN_INFO " %5d %5X %5X %016llX %04X %3X %016llX\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
		0, tx_ring->next_to_use, tx_ring->next_to_clean,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
		(u64)buffer_info->dma,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
		buffer_info->length,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
		buffer_info->next_to_watch,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
		(u64)buffer_info->time_stamp);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
	/* Print TX Rings */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
	if (!netif_msg_tx_done(adapter))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
		goto rx_ring_summary;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
	dev_info(&adapter->pdev->dev, "TX Rings Dump\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
	/* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
	 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
	 * Legacy Transmit Descriptor
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
	 *   +--------------------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
	 * 0 |         Buffer Address [63:0] (Reserved on Write Back)       |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
	 *   +--------------------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
	 * 8 | Special  |    CSS     | Status |  CMD    |  CSO   |  Length  |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
	 *   +--------------------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
	 *   63       48 47        36 35    32 31     24 23    16 15        0
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
	 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
	 * Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
	 *   63      48 47    40 39       32 31             16 15    8 7      0
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
	 *   +----------------------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
	 * 0 |  TUCSE  | TUCS0  |   TUCSS   |     IPCSE       | IPCS0 | IPCSS |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
	 *   +----------------------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
	 * 8 |   MSS   | HDRLEN | RSV | STA | TUCMD | DTYP |      PAYLEN      |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
	 *   +----------------------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
	 *   63      48 47    40 39 36 35 32 31   24 23  20 19                0
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
	 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
	 * Extended Data Descriptor (DTYP=0x1)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
	 *   +----------------------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
	 * 0 |                     Buffer Address [63:0]                      |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
	 *   +----------------------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
	 * 8 | VLAN tag |  POPTS  | Rsvd | Status | Command | DTYP |  DTALEN  |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
	 *   +----------------------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	 *   63       48 47     40 39  36 35    32 31     24 23  20 19        0
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
	printk(KERN_INFO "Tl[desc]     [address 63:0  ] [SpeCssSCmCsLen]"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
		" [bi->dma       ] leng  ntw timestamp        bi->skb "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
		"<-- Legacy format\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
	printk(KERN_INFO "Tc[desc]     [Ce CoCsIpceCoS] [MssHlRSCm0Plen]"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
		" [bi->dma       ] leng  ntw timestamp        bi->skb "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
		"<-- Ext Context format\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
	printk(KERN_INFO "Td[desc]     [address 63:0  ] [VlaPoRSCm1Dlen]"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
		" [bi->dma       ] leng  ntw timestamp        bi->skb "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
		"<-- Ext Data format\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
	for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
		tx_desc = E1000_TX_DESC(*tx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
		buffer_info = &tx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
		u0 = (struct my_u0 *)tx_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
		printk(KERN_INFO "T%c[0x%03X]    %016llX %016llX %016llX "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
			"%04X  %3X %016llX %p",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
		       (!(le64_to_cpu(u0->b) & (1<<29)) ? 'l' :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
			((le64_to_cpu(u0->b) & (1<<20)) ? 'd' : 'c')), i,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
		       le64_to_cpu(u0->a), le64_to_cpu(u0->b),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
		       (u64)buffer_info->dma, buffer_info->length,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
		       buffer_info->next_to_watch, (u64)buffer_info->time_stamp,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
		       buffer_info->skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
		if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
			printk(KERN_CONT " NTC/U\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
		else if (i == tx_ring->next_to_use)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
			printk(KERN_CONT " NTU\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
		else if (i == tx_ring->next_to_clean)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
			printk(KERN_CONT " NTC\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
		else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
			printk(KERN_CONT "\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
		if (netif_msg_pktdata(adapter) && buffer_info->dma != 0)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
			print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
					16, 1, phys_to_virt(buffer_info->dma),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
					buffer_info->length, true);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
	/* Print RX Rings Summary */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
rx_ring_summary:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
	dev_info(&adapter->pdev->dev, "RX Rings Summary\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	printk(KERN_INFO "Queue [NTU] [NTC]\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
	printk(KERN_INFO " %5d %5X %5X\n", 0,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
		rx_ring->next_to_use, rx_ring->next_to_clean);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
	/* Print RX Rings */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
	if (!netif_msg_rx_status(adapter))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
		goto exit;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
	dev_info(&adapter->pdev->dev, "RX Rings Dump\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
	switch (adapter->rx_ps_pages) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
	case 1:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
	case 2:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
	case 3:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
		/* [Extended] Packet Split Receive Descriptor Format
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
		 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
		 *    +-----------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
		 *  0 |                Buffer Address 0 [63:0]              |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
		 *    +-----------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
		 *  8 |                Buffer Address 1 [63:0]              |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
		 *    +-----------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
		 * 16 |                Buffer Address 2 [63:0]              |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
		 *    +-----------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
		 * 24 |                Buffer Address 3 [63:0]              |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
		 *    +-----------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
		printk(KERN_INFO "R  [desc]      [buffer 0 63:0 ] "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
			"[buffer 1 63:0 ] "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		       "[buffer 2 63:0 ] [buffer 3 63:0 ] [bi->dma       ] "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		       "[bi->skb] <-- Ext Pkt Split format\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		/* [Extended] Receive Descriptor (Write-Back) Format
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
		 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
		 *   63       48 47    32 31     13 12    8 7    4 3        0
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
		 *   +------------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
		 * 0 | Packet   | IP     |  Rsvd   | MRQ   | Rsvd | MRQ RSS |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
		 *   | Checksum | Ident  |         | Queue |      |  Type   |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
		 *   +------------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
		 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		 *   +------------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		 *   63       48 47    32 31            20 19               0
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
		printk(KERN_INFO "RWB[desc]      [ck ipid mrqhsh] "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
			"[vl   l0 ee  es] "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
		       "[ l3  l2  l1 hs] [reserved      ] ---------------- "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
		       "[bi->skb] <-- Ext Rx Write-Back format\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
		for (i = 0; i < rx_ring->count; i++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
			buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
			rx_desc_ps = E1000_RX_DESC_PS(*rx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
			u1 = (struct my_u1 *)rx_desc_ps;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
			staterr =
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
				le32_to_cpu(rx_desc_ps->wb.middle.status_error);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
			if (staterr & E1000_RXD_STAT_DD) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
				/* Descriptor Done */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
				printk(KERN_INFO "RWB[0x%03X]     %016llX "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
					"%016llX %016llX %016llX "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
					"---------------- %p", i,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
					le64_to_cpu(u1->a),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
					le64_to_cpu(u1->b),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
					le64_to_cpu(u1->c),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
					le64_to_cpu(u1->d),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
					buffer_info->skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
			} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
				printk(KERN_INFO "R  [0x%03X]     %016llX "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
					"%016llX %016llX %016llX %016llX %p", i,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
					le64_to_cpu(u1->a),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
					le64_to_cpu(u1->b),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
					le64_to_cpu(u1->c),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
					le64_to_cpu(u1->d),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
					(u64)buffer_info->dma,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
					buffer_info->skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
				if (netif_msg_pktdata(adapter))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
					print_hex_dump(KERN_INFO, "",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
						DUMP_PREFIX_ADDRESS, 16, 1,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
						phys_to_virt(buffer_info->dma),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
						adapter->rx_ps_bsize0, true);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
			if (i == rx_ring->next_to_use)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
				printk(KERN_CONT " NTU\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
			else if (i == rx_ring->next_to_clean)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
				printk(KERN_CONT " NTC\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
			else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
				printk(KERN_CONT "\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
	default:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
	case 0:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
		/* Legacy Receive Descriptor Format
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
		 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
		 * +-----------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
		 * |                Buffer Address [63:0]                |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
		 * +-----------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
		 * | VLAN Tag | Errors | Status 0 | Packet csum | Length |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
		 * +-----------------------------------------------------+
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
		 * 63       48 47    40 39      32 31         16 15      0
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
		printk(KERN_INFO "Rl[desc]     [address 63:0  ] "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
			"[vl er S cks ln] [bi->dma       ] [bi->skb] "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
			"<-- Legacy format\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
		for (i = 0; rx_ring->desc && (i < rx_ring->count); i++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
			rx_desc = E1000_RX_DESC(*rx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
			buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
			u0 = (struct my_u0 *)rx_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
			printk(KERN_INFO "Rl[0x%03X]    %016llX %016llX "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
				"%016llX %p",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
				i, le64_to_cpu(u0->a), le64_to_cpu(u0->b),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
				(u64)buffer_info->dma, buffer_info->skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
			if (i == rx_ring->next_to_use)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
				printk(KERN_CONT " NTU\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
			else if (i == rx_ring->next_to_clean)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
				printk(KERN_CONT " NTC\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
			else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
				printk(KERN_CONT "\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
			if (netif_msg_pktdata(adapter))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
				print_hex_dump(KERN_INFO, "",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
					DUMP_PREFIX_ADDRESS,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
					16, 1, phys_to_virt(buffer_info->dma),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
					adapter->rx_buffer_len, true);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
exit:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
	return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
 * e1000_desc_unused - calculate if we have unused descriptors
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
static int e1000_desc_unused(struct e1000_ring *ring)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
	if (ring->next_to_clean > ring->next_to_use)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
		return ring->next_to_clean - ring->next_to_use - 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
 * e1000_receive_skb - helper function to handle Rx indications
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
 * @status: descriptor status field as written by hardware
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
 * @skb: pointer to sk_buff to be indicated to stack
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
static void e1000_receive_skb(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
			      struct net_device *netdev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
			      struct sk_buff *skb,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
			      u8 status, __le16 vlan)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
	skb->protocol = eth_type_trans(skb, netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
	if (adapter->vlgrp && (status & E1000_RXD_STAT_VP))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
		vlan_gro_receive(&adapter->napi, adapter->vlgrp,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
				 le16_to_cpu(vlan), skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
		napi_gro_receive(&adapter->napi, skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
 * e1000_rx_checksum - Receive Checksum Offload for 82543
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
 * @adapter:     board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
 * @status_err:  receive descriptor status and error fields
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
 * @csum:	receive descriptor csum field
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
 * @sk_buff:     socket buffer with received data
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
			      u32 csum, struct sk_buff *skb)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
	u16 status = (u16)status_err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
	u8 errors = (u8)(status_err >> 24);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	skb->ip_summed = CHECKSUM_NONE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
	/* Ignore Checksum bit is set */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	if (status & E1000_RXD_STAT_IXSM)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
	/* TCP/UDP checksum error bit is set */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
	if (errors & E1000_RXD_ERR_TCPE) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
		/* let the stack verify checksum errors */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
		adapter->hw_csum_err++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	/* TCP/UDP Checksum has not been calculated */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	/* It must be a TCP or UDP packet with a valid checksum */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
	if (status & E1000_RXD_STAT_TCPCS) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
		/* TCP checksum is good */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		skb->ip_summed = CHECKSUM_UNNECESSARY;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		 * IP fragment with UDP payload
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		 * Hardware complements the payload checksum, so we undo it
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		 * and then put the value in host order for further stack use.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		__sum16 sum = (__force __sum16)htons(csum);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		skb->csum = csum_unfold(~sum);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
		skb->ip_summed = CHECKSUM_COMPLETE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
	adapter->hw_csum_good++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
 * @adapter: address of board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
				   int cleaned_count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	struct e1000_ring *rx_ring = adapter->rx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	struct e1000_rx_desc *rx_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
	struct e1000_buffer *buffer_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	struct sk_buff *skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	unsigned int i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	unsigned int bufsz = adapter->rx_buffer_len;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	i = rx_ring->next_to_use;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	while (cleaned_count--) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
		skb = buffer_info->skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
		if (skb) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
			skb_trim(skb, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
			goto map_skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
		if (!skb) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
			/* Better luck next round */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
			adapter->alloc_rx_buff_failed++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
		buffer_info->skb = skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
map_skb:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
						  adapter->rx_buffer_len,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
						  DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
			dev_err(&pdev->dev, "RX DMA map failed\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
			adapter->rx_dma_failed++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
		rx_desc = E1000_RX_DESC(*rx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
			/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
			 * Force memory writes to complete before letting h/w
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
			 * know there are new descriptors to fetch.  (Only
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
			 * applicable for weak-ordered memory model archs,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
			 * such as IA-64).
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
			 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
			wmb();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
			writel(i, adapter->hw.hw_addr + rx_ring->tail);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
		i++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
		if (i == rx_ring->count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
			i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
		buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	rx_ring->next_to_use = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
 * @adapter: address of board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
				      int cleaned_count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	union e1000_rx_desc_packet_split *rx_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	struct e1000_ring *rx_ring = adapter->rx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	struct e1000_buffer *buffer_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	struct e1000_ps_page *ps_page;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	struct sk_buff *skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	unsigned int i, j;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	i = rx_ring->next_to_use;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	while (cleaned_count--) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
			ps_page = &buffer_info->ps_pages[j];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
			if (j >= adapter->rx_ps_pages) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
				/* all unused desc entries get hw null ptr */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
				rx_desc->read.buffer_addr[j+1] = ~cpu_to_le64(0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
				continue;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
			if (!ps_page->page) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
				ps_page->page = alloc_page(GFP_ATOMIC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
				if (!ps_page->page) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
					adapter->alloc_rx_buff_failed++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
					goto no_buffers;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
				}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
				ps_page->dma = dma_map_page(&pdev->dev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
							    ps_page->page,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
							    0, PAGE_SIZE,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
							    DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
				if (dma_mapping_error(&pdev->dev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
						      ps_page->dma)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
					dev_err(&adapter->pdev->dev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
					  "RX DMA page map failed\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
					adapter->rx_dma_failed++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
					goto no_buffers;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
				}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
			/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
			 * Refresh the desc even if buffer_addrs
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
			 * didn't change because each write-back
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
			 * erases this info.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
			 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
			rx_desc->read.buffer_addr[j+1] =
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
			     cpu_to_le64(ps_page->dma);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		skb = netdev_alloc_skb_ip_align(netdev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
						adapter->rx_ps_bsize0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		if (!skb) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
			adapter->alloc_rx_buff_failed++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
		buffer_info->skb = skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
						  adapter->rx_ps_bsize0,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
						  DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
			dev_err(&pdev->dev, "RX DMA map failed\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
			adapter->rx_dma_failed++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
			/* cleanup skb */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
			dev_kfree_skb_any(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
			buffer_info->skb = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
			/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
			 * Force memory writes to complete before letting h/w
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
			 * know there are new descriptors to fetch.  (Only
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
			 * applicable for weak-ordered memory model archs,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
			 * such as IA-64).
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
			 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
			wmb();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
			writel(i<<1, adapter->hw.hw_addr + rx_ring->tail);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
		i++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		if (i == rx_ring->count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
			i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
		buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
no_buffers:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
	rx_ring->next_to_use = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
 * @adapter: address of board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
 * @cleaned_count: number of buffers to allocate this pass
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
                                         int cleaned_count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	struct e1000_rx_desc *rx_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	struct e1000_ring *rx_ring = adapter->rx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	struct e1000_buffer *buffer_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	struct sk_buff *skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	unsigned int i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	unsigned int bufsz = 256 - 16 /* for skb_reserve */;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
	i = rx_ring->next_to_use;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	while (cleaned_count--) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
		skb = buffer_info->skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
		if (skb) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
			skb_trim(skb, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
			goto check_page;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		if (unlikely(!skb)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
			/* Better luck next round */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
			adapter->alloc_rx_buff_failed++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
		buffer_info->skb = skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
check_page:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
		/* allocate a new page if necessary */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
		if (!buffer_info->page) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
			buffer_info->page = alloc_page(GFP_ATOMIC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
			if (unlikely(!buffer_info->page)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
				adapter->alloc_rx_buff_failed++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
				break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
		if (!buffer_info->dma)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
			buffer_info->dma = dma_map_page(&pdev->dev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
			                                buffer_info->page, 0,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
			                                PAGE_SIZE,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
							DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
		rx_desc = E1000_RX_DESC(*rx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
		if (unlikely(++i == rx_ring->count))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
			i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
		buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
	if (likely(rx_ring->next_to_use != i)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		rx_ring->next_to_use = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
		if (unlikely(i-- == 0))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
			i = (rx_ring->count - 1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
		/* Force memory writes to complete before letting h/w
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
		 * know there are new descriptors to fetch.  (Only
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
		 * applicable for weak-ordered memory model archs,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		 * such as IA-64). */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
		wmb();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
		writel(i, adapter->hw.hw_addr + rx_ring->tail);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
 * the return value indicates whether actual cleaning was done, there
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
 * is no guarantee that everything was cleaned
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
			       int *work_done, int work_to_do)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	struct e1000_ring *rx_ring = adapter->rx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	struct e1000_rx_desc *rx_desc, *next_rxd;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	struct e1000_buffer *buffer_info, *next_buffer;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	u32 length;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	unsigned int i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
	int cleaned_count = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	bool cleaned = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
	i = rx_ring->next_to_clean;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	rx_desc = E1000_RX_DESC(*rx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	while (rx_desc->status & E1000_RXD_STAT_DD) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
		struct sk_buff *skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
		u8 status;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
		if (*work_done >= work_to_do)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
		(*work_done)++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
		rmb();	/* read descriptor and rx_buffer_info after status DD */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
		status = rx_desc->status;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
		skb = buffer_info->skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
		if (!adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
			buffer_info->skb = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
		prefetch(skb->data - NET_IP_ALIGN);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
		i++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
		if (i == rx_ring->count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
			i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
		next_rxd = E1000_RX_DESC(*rx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
		prefetch(next_rxd);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
		next_buffer = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
		cleaned = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
		cleaned_count++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
		dma_unmap_single(&pdev->dev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
				 buffer_info->dma,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
				 adapter->rx_buffer_len,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
				 DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
		buffer_info->dma = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
		length = le16_to_cpu(rx_desc->length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
		 * !EOP means multiple descriptors were used to store a single
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
		 * packet, if that's the case we need to toss it.  In fact, we
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
		 * need to toss every packet with the EOP bit clear and the
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
		 * next frame that _does_ have the EOP bit set, as it is by
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
		 * definition only a frame fragment
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
			adapter->flags2 |= FLAG2_IS_DISCARDING;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
			/* All receives must fit into a single buffer */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
			e_dbg("Receive packet consumed multiple buffers\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
			/* recycle */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
			buffer_info->skb = skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
			if (status & E1000_RXD_STAT_EOP)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
			goto next_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
		if (!adapter->ecdev && (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
			/* recycle */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
			buffer_info->skb = skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
			goto next_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
		/* adjust length to remove Ethernet CRC */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
			length -= 4;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
		total_rx_bytes += length;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
		total_rx_packets++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
		 * code added for copybreak, this should improve
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
		 * performance for small packets with large amounts
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
		 * of reassembly being done in the stack
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
		if (!adapter->ecdev && length < copybreak) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
			struct sk_buff *new_skb =
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
			    netdev_alloc_skb_ip_align(netdev, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
			if (new_skb) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
				skb_copy_to_linear_data_offset(new_skb,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
							       -NET_IP_ALIGN,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
							       (skb->data -
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
								NET_IP_ALIGN),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
							       (length +
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
								NET_IP_ALIGN));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
				/* save the skb in buffer_info as good */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
				buffer_info->skb = skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
				skb = new_skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
			/* else just continue with the old one */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
		/* end copybreak code */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
		skb_put(skb, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
		/* Receive Checksum Offload */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
		e1000_rx_checksum(adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
				  (u32)(status) |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
				  ((u32)(rx_desc->errors) << 24),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
				  le16_to_cpu(rx_desc->csum), skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
		if (adapter->ecdev) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
			ecdev_receive(adapter->ecdev, skb->data, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
			adapter->ec_watchdog_jiffies = jiffies;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
		} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
			e1000_receive_skb(adapter, netdev, skb,status,rx_desc->special);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
next_desc:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
		rx_desc->status = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
		/* return some buffers to hardware, one at a time is too slow */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
			adapter->alloc_rx_buf(adapter, cleaned_count);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
			cleaned_count = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
		/* use prefetched values */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		rx_desc = next_rxd;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
		buffer_info = next_buffer;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	rx_ring->next_to_clean = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
	cleaned_count = e1000_desc_unused(rx_ring);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
	if (cleaned_count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		adapter->alloc_rx_buf(adapter, cleaned_count);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
	adapter->total_rx_bytes += total_rx_bytes;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	adapter->total_rx_packets += total_rx_packets;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
	netdev->stats.rx_bytes += total_rx_bytes;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	netdev->stats.rx_packets += total_rx_packets;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	return cleaned;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
static void e1000_put_txbuf(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
			     struct e1000_buffer *buffer_info)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	if (adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	if (buffer_info->dma) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
		if (buffer_info->mapped_as_page)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
				       buffer_info->length, DMA_TO_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
		else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
					 buffer_info->length, DMA_TO_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
		buffer_info->dma = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	if (buffer_info->skb) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
		dev_kfree_skb_any(buffer_info->skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
		buffer_info->skb = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	buffer_info->time_stamp = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
static void e1000_print_hw_hang(struct work_struct *work)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	struct e1000_adapter *adapter = container_of(work,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	                                             struct e1000_adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	                                             print_hang_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
	unsigned int i = tx_ring->next_to_clean;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	u16 phy_status, phy_1000t_status, phy_ext_status;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	u16 pci_status;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	e1e_rphy(hw, PHY_STATUS, &phy_status);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	/* detected Hardware unit hang */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	e_err("Detected Hardware Unit Hang:\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	      "  TDH                  <%x>\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	      "  TDT                  <%x>\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	      "  next_to_use          <%x>\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	      "  next_to_clean        <%x>\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	      "buffer_info[next_to_clean]:\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	      "  time_stamp           <%lx>\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	      "  next_to_watch        <%x>\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	      "  jiffies              <%lx>\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	      "  next_to_watch.status <%x>\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	      "MAC Status             <%x>\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	      "PHY Status             <%x>\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	      "PHY 1000BASE-T Status  <%x>\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	      "PHY Extended Status    <%x>\n"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	      "PCI Status             <%x>\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	      readl(adapter->hw.hw_addr + tx_ring->head),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	      readl(adapter->hw.hw_addr + tx_ring->tail),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	      tx_ring->next_to_use,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	      tx_ring->next_to_clean,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	      tx_ring->buffer_info[eop].time_stamp,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	      eop,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	      jiffies,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	      eop_desc->upper.fields.status,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
	      er32(STATUS),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	      phy_status,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	      phy_1000t_status,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
	      phy_ext_status,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	      pci_status);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
 * the return value indicates whether actual cleaning was done, there
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
 * is no guarantee that everything was cleaned
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
	struct e1000_tx_desc *tx_desc, *eop_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
	struct e1000_buffer *buffer_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
	unsigned int i, eop;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	unsigned int count = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	unsigned int total_tx_bytes = 0, total_tx_packets = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	i = tx_ring->next_to_clean;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	eop = tx_ring->buffer_info[i].next_to_watch;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	       (count < tx_ring->count)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
		bool cleaned = false;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
		rmb(); /* read buffer_info after eop_desc */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
		for (; !cleaned; count++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
			tx_desc = E1000_TX_DESC(*tx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
			buffer_info = &tx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
			cleaned = (i == eop);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
			if (cleaned) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
				total_tx_packets += buffer_info->segs;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
				total_tx_bytes += buffer_info->bytecount;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
			e1000_put_txbuf(adapter, buffer_info);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
			tx_desc->upper.data = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
			i++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
			if (i == tx_ring->count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
				i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		if (i == tx_ring->next_to_use)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
		eop = tx_ring->buffer_info[i].next_to_watch;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	tx_ring->next_to_clean = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
#define TX_WAKE_THRESHOLD 32
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	if (!adapter->ecdev && count && netif_carrier_ok(netdev) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	    e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
		/* Make sure that anybody stopping the queue after this
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
		 * sees the new next_to_clean.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
		smp_mb();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		if (netif_queue_stopped(netdev) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		    !(test_bit(__E1000_DOWN, &adapter->state))) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
			netif_wake_queue(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
			++adapter->restart_queue;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	if (!adapter->ecdev && adapter->detect_tx_hung) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
		 * Detect a transmit hang in hardware, this serializes the
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
		 * check with the clearing of time_stamp and movement of i
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		adapter->detect_tx_hung = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
		if (tx_ring->buffer_info[i].time_stamp &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
			       + (adapter->tx_timeout_factor * HZ)) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
			schedule_work(&adapter->print_hang_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
			netif_stop_queue(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
	adapter->total_tx_bytes += total_tx_bytes;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	adapter->total_tx_packets += total_tx_packets;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	netdev->stats.tx_bytes += total_tx_bytes;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
	netdev->stats.tx_packets += total_tx_packets;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	return (count < tx_ring->count);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
 * the return value indicates whether actual cleaning was done, there
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
 * is no guarantee that everything was cleaned
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
				  int *work_done, int work_to_do)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	struct e1000_ring *rx_ring = adapter->rx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	struct e1000_buffer *buffer_info, *next_buffer;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	struct e1000_ps_page *ps_page;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	struct sk_buff *skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	unsigned int i, j;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	u32 length, staterr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	int cleaned_count = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	bool cleaned = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	i = rx_ring->next_to_clean;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	while (staterr & E1000_RXD_STAT_DD) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
		if (*work_done >= work_to_do)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
		(*work_done)++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
		skb = buffer_info->skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
		rmb();	/* read descriptor and rx_buffer_info after status DD */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
		/* in the packet split case this is header only */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
		prefetch(skb->data - NET_IP_ALIGN);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		i++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		if (i == rx_ring->count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
			i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
		prefetch(next_rxd);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
		next_buffer = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		cleaned = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
		cleaned_count++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
		dma_unmap_single(&pdev->dev, buffer_info->dma,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
				 adapter->rx_ps_bsize0,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
				 DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
		buffer_info->dma = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
		/* see !EOP comment in other rx routine */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
		if (!(staterr & E1000_RXD_STAT_EOP))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
			adapter->flags2 |= FLAG2_IS_DISCARDING;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
			e_dbg("Packet Split buffers didn't pick up the full "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
			      "packet\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
			if (!adapter->ecdev) dev_kfree_skb_irq(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
			if (staterr & E1000_RXD_STAT_EOP)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
			goto next_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
		if (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
			if (!adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
				dev_kfree_skb_irq(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
			goto next_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		length = le16_to_cpu(rx_desc->wb.middle.length0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		if (!length) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
			e_dbg("Last part of the packet spanning multiple "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
			      "descriptors\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
			if (!adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
				dev_kfree_skb_irq(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
			goto next_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
		/* Good Receive */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		skb_put(skb, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
		{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
		 * this looks ugly, but it seems compiler issues make it
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		 * more efficient than reusing j
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		 * page alloc/put takes too long and effects small packet
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		 * throughput, so unsplit small packets and save the alloc/put
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		 * only valid in softirq (napi) context to call kmap_*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		if (l1 && (l1 <= copybreak) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		    ((length + l1) <= adapter->rx_ps_bsize0)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
			u8 *vaddr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
			ps_page = &buffer_info->ps_pages[0];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
			/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
			 * there is no documentation about how to call
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
			 * kmap_atomic, so we can't hold the mapping
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
			 * very long
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
			 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
			dma_sync_single_for_cpu(&pdev->dev, ps_page->dma,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
						PAGE_SIZE, DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
			vaddr = kmap_atomic(ps_page->page, KM_SKB_DATA_SOFTIRQ);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
			memcpy(skb_tail_pointer(skb), vaddr, l1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
			dma_sync_single_for_device(&pdev->dev, ps_page->dma,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
						   PAGE_SIZE, DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
			/* remove the CRC */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
			if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
				l1 -= 4;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
			skb_put(skb, l1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
			goto copydone;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
		} /* if */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
			length = le16_to_cpu(rx_desc->wb.upper.length[j]);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
			if (!length)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
				break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
			ps_page = &buffer_info->ps_pages[j];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
				       DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
			ps_page->dma = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
			skb_fill_page_desc(skb, j, ps_page->page, 0, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
			ps_page->page = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
			skb->len += length;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
			skb->data_len += length;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
			skb->truesize += length;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
		/* strip the ethernet crc, problem is we're using pages now so
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
		 * this whole operation can get a little cpu intensive
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
			pskb_trim(skb, skb->len - 4);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
copydone:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
		total_rx_bytes += skb->len;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
		total_rx_packets++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		e1000_rx_checksum(adapter, staterr, le16_to_cpu(
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
			rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		if (rx_desc->wb.upper.header_status &
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
			adapter->rx_hdr_split++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		if (adapter->ecdev) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
			ecdev_receive(adapter->ecdev, skb->data, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
			adapter->ec_watchdog_jiffies = jiffies;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
			e1000_receive_skb(adapter, netdev, skb,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
					  staterr, rx_desc->wb.middle.vlan);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
next_desc:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
		if (!adapter->ecdev) buffer_info->skb = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
		/* return some buffers to hardware, one at a time is too slow */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
			adapter->alloc_rx_buf(adapter, cleaned_count);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
			cleaned_count = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
		/* use prefetched values */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
		rx_desc = next_rxd;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
		buffer_info = next_buffer;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
	rx_ring->next_to_clean = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	cleaned_count = e1000_desc_unused(rx_ring);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	if (cleaned_count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
		adapter->alloc_rx_buf(adapter, cleaned_count);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
	adapter->total_rx_bytes += total_rx_bytes;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	adapter->total_rx_packets += total_rx_packets;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	netdev->stats.rx_bytes += total_rx_bytes;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	netdev->stats.rx_packets += total_rx_packets;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
	return cleaned;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
 * e1000_consume_page - helper function
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
                               u16 length)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
	bi->page = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
	skb->len += length;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
	skb->data_len += length;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	skb->truesize += length;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
 * the return value indicates whether actual cleaning was done, there
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
 * is no guarantee that everything was cleaned
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
                                     int *work_done, int work_to_do)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
	struct e1000_ring *rx_ring = adapter->rx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	struct e1000_rx_desc *rx_desc, *next_rxd;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	struct e1000_buffer *buffer_info, *next_buffer;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	u32 length;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	unsigned int i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	int cleaned_count = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	bool cleaned = false;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	unsigned int total_rx_bytes=0, total_rx_packets=0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	i = rx_ring->next_to_clean;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	rx_desc = E1000_RX_DESC(*rx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
	while (rx_desc->status & E1000_RXD_STAT_DD) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
		struct sk_buff *skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
		u8 status;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
		if (*work_done >= work_to_do)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
		(*work_done)++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
		rmb();	/* read descriptor and rx_buffer_info after status DD */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
		status = rx_desc->status;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
		skb = buffer_info->skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
		if (!adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
			buffer_info->skb = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
		++i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
		if (i == rx_ring->count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
			i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
		next_rxd = E1000_RX_DESC(*rx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
		prefetch(next_rxd);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
		next_buffer = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
		cleaned = true;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
		cleaned_count++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
		dma_unmap_page(&pdev->dev, buffer_info->dma, PAGE_SIZE,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
			       DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
		buffer_info->dma = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		length = le16_to_cpu(rx_desc->length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
		/* errors is only valid for DD + EOP descriptors */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
		if (!adapter->ecdev && unlikely((status & E1000_RXD_STAT_EOP) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
				/* recycle both page and skb */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
				buffer_info->skb = skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
				/* an error means any chain goes out the window
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
				 * too */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
				if (rx_ring->rx_skb_top)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
					dev_kfree_skb(rx_ring->rx_skb_top);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
				rx_ring->rx_skb_top = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
				goto next_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
#define rxtop rx_ring->rx_skb_top
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
		if (!(status & E1000_RXD_STAT_EOP)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
			/* this descriptor is only the beginning (or middle) */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
			if (!rxtop) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
				/* this is the beginning of a chain */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
				rxtop = skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
				                   0, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
			} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
				/* this is the middle of a chain */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
				skb_fill_page_desc(rxtop,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
				    skb_shinfo(rxtop)->nr_frags,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
				    buffer_info->page, 0, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
				/* re-use the skb, only consumed the page */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
				buffer_info->skb = skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
			e1000_consume_page(buffer_info, rxtop, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
			goto next_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
		} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
			if (rxtop) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
				/* end of the chain */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
				skb_fill_page_desc(rxtop,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
				    skb_shinfo(rxtop)->nr_frags,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
				    buffer_info->page, 0, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
				/* re-use the current skb, we only consumed the
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
				 * page */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
				buffer_info->skb = skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
				skb = rxtop;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
				rxtop = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
				e1000_consume_page(buffer_info, skb, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
			} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
				/* no chain, got EOP, this buf is the packet
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
				 * copybreak to save the put_page/alloc_page */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
				if (length <= copybreak &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
				    skb_tailroom(skb) >= length) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
					u8 *vaddr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
					vaddr = kmap_atomic(buffer_info->page,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
					                   KM_SKB_DATA_SOFTIRQ);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
					memcpy(skb_tail_pointer(skb), vaddr,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
					       length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
					kunmap_atomic(vaddr,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
					              KM_SKB_DATA_SOFTIRQ);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
					/* re-use the page, so don't erase
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
					 * buffer_info->page */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
					skb_put(skb, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
				} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
					skb_fill_page_desc(skb, 0,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
					                   buffer_info->page, 0,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
				                           length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
					e1000_consume_page(buffer_info, skb,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
					                   length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
				}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
		e1000_rx_checksum(adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
		                  (u32)(status) |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
		                  ((u32)(rx_desc->errors) << 24),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
		                  le16_to_cpu(rx_desc->csum), skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
		/* probably a little skewed due to removing CRC */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
		total_rx_bytes += skb->len;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
		total_rx_packets++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
		/* eth type trans needs skb->data to point to something */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		if (!adapter->ecdev && !pskb_may_pull(skb, ETH_HLEN)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
			e_err("pskb_may_pull failed.\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
			dev_kfree_skb(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
			goto next_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
		if (adapter->ecdev) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
			ecdev_receive(adapter->ecdev, skb->data, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
			adapter->ec_watchdog_jiffies = jiffies;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
		} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
			e1000_receive_skb(adapter, netdev, skb, status,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
			                  rx_desc->special);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
next_desc:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		rx_desc->status = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
		/* return some buffers to hardware, one at a time is too slow */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
			adapter->alloc_rx_buf(adapter, cleaned_count);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
			cleaned_count = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
		/* use prefetched values */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
		rx_desc = next_rxd;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
		buffer_info = next_buffer;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
	rx_ring->next_to_clean = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
	cleaned_count = e1000_desc_unused(rx_ring);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	if (cleaned_count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
		adapter->alloc_rx_buf(adapter, cleaned_count);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	adapter->total_rx_bytes += total_rx_bytes;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	adapter->total_rx_packets += total_rx_packets;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
	netdev->stats.rx_bytes += total_rx_bytes;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
	netdev->stats.rx_packets += total_rx_packets;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	return cleaned;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
static void e1000_clean_rx_ring(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
	struct e1000_ring *rx_ring = adapter->rx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
	struct e1000_buffer *buffer_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
	struct e1000_ps_page *ps_page;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	unsigned int i, j;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	/* Free all the Rx ring sk_buffs */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	for (i = 0; i < rx_ring->count; i++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
		buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
		if (buffer_info->dma) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
			if (adapter->clean_rx == e1000_clean_rx_irq)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
				dma_unmap_single(&pdev->dev, buffer_info->dma,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
						 adapter->rx_buffer_len,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
						 DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
			else if (adapter->clean_rx == e1000_clean_jumbo_rx_irq)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
				dma_unmap_page(&pdev->dev, buffer_info->dma,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
				               PAGE_SIZE,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
					       DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
			else if (adapter->clean_rx == e1000_clean_rx_irq_ps)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
				dma_unmap_single(&pdev->dev, buffer_info->dma,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
						 adapter->rx_ps_bsize0,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
						 DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
			buffer_info->dma = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
		if (buffer_info->page) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
			put_page(buffer_info->page);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
			buffer_info->page = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
		if (buffer_info->skb) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
			dev_kfree_skb(buffer_info->skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
			buffer_info->skb = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
			ps_page = &buffer_info->ps_pages[j];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
			if (!ps_page->page)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
				break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
				       DMA_FROM_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
			ps_page->dma = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
			put_page(ps_page->page);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
			ps_page->page = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
	/* there also may be some cached data from a chained receive */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	if (rx_ring->rx_skb_top) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
		dev_kfree_skb(rx_ring->rx_skb_top);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
		rx_ring->rx_skb_top = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
	/* Zero out the descriptor ring */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
	memset(rx_ring->desc, 0, rx_ring->size);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	rx_ring->next_to_clean = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
	rx_ring->next_to_use = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
	writel(0, adapter->hw.hw_addr + rx_ring->head);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
	writel(0, adapter->hw.hw_addr + rx_ring->tail);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
static void e1000e_downshift_workaround(struct work_struct *work)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	struct e1000_adapter *adapter = container_of(work,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
					struct e1000_adapter, downshift_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
 * e1000_intr_msi - Interrupt Handler
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
 * @irq: interrupt number
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
 * @data: pointer to a network interface device structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
static irqreturn_t e1000_intr_msi(int irq, void *data)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
	struct net_device *netdev = data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	u32 icr = er32(ICR);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  1537
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  1538
		int ec_work_done = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  1539
		adapter->clean_rx(adapter, &ec_work_done, 100);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  1540
		e1000_clean_tx_irq(adapter);
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
		return IRQ_HANDLED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	 * read ICR disables interrupts using IAM
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
	if (icr & E1000_ICR_LSC) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
		hw->mac.get_link_status = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
		 * ICH8 workaround-- Call gig speed drop workaround on cable
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		 * disconnect (LSC) before accessing any PHY registers
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
		    (!(er32(STATUS) & E1000_STATUS_LU)))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
			schedule_work(&adapter->downshift_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
		 * 80003ES2LAN workaround-- For packet buffer work-around on
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
		 * link down event; disable receives here in the ISR and reset
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		 * adapter in watchdog
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		if (netif_carrier_ok(netdev) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
		    adapter->flags & FLAG_RX_NEEDS_RESTART) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
			/* disable receives */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
			u32 rctl = er32(RCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
			adapter->flags |= FLAG_RX_RESTART_NOW;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
		/* guard against interrupt when we're going down */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
		if (!test_bit(__E1000_DOWN, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
	if (napi_schedule_prep(&adapter->napi)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
		adapter->total_tx_bytes = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
		adapter->total_tx_packets = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
		adapter->total_rx_bytes = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
		adapter->total_rx_packets = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
		__napi_schedule(&adapter->napi);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
	return IRQ_HANDLED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
 * e1000_intr - Interrupt Handler
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
 * @irq: interrupt number
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
 * @data: pointer to a network interface device structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
static irqreturn_t e1000_intr(int irq, void *data)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
	struct net_device *netdev = data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	u32 rctl, icr = er32(ICR);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
	if (!icr || test_bit(__E1000_DOWN, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
		return IRQ_NONE;  /* Not our interrupt */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
	 * IMS will not auto-mask if INT_ASSERTED is not set, and if it is
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
	 * not set, then the adapter didn't send an interrupt
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
	if (!adapter->ecdev && !(icr & E1000_ICR_INT_ASSERTED))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		return IRQ_NONE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	 * Interrupt Auto-Mask...upon reading ICR,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	 * interrupts are masked.  No need for the
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	 * IMC write
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	if (!adapter->ecdev && (icr & E1000_ICR_LSC)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
		hw->mac.get_link_status = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
		 * ICH8 workaround-- Call gig speed drop workaround on cable
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
		 * disconnect (LSC) before accessing any PHY registers
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
		    (!(er32(STATUS) & E1000_STATUS_LU)))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
			schedule_work(&adapter->downshift_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
		 * 80003ES2LAN workaround--
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
		 * For packet buffer work-around on link down event;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
		 * disable receives here in the ISR and
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
		 * reset adapter in watchdog
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
		if (netif_carrier_ok(netdev) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
		    (adapter->flags & FLAG_RX_NEEDS_RESTART)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
			/* disable receives */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
			rctl = er32(RCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
			adapter->flags |= FLAG_RX_RESTART_NOW;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
		/* guard against interrupt when we're going down */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
		if (!test_bit(__E1000_DOWN, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  1641
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  1642
		int ec_work_done = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  1643
		adapter->clean_rx(adapter, &ec_work_done, 100);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  1644
		e1000_clean_tx_irq(adapter);
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
		return IRQ_HANDLED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
	if (napi_schedule_prep(&adapter->napi)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
		adapter->total_tx_bytes = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		adapter->total_tx_packets = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
		adapter->total_rx_bytes = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		adapter->total_rx_packets = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		__napi_schedule(&adapter->napi);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
	return IRQ_HANDLED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
static irqreturn_t e1000_msix_other(int irq, void *data)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	struct net_device *netdev = data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	u32 icr = er32(ICR);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	if (!(icr & E1000_ICR_INT_ASSERTED)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		if (!test_bit(__E1000_DOWN, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
			ew32(IMS, E1000_IMS_OTHER);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
		return IRQ_NONE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
	if (icr & adapter->eiac_mask)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
		ew32(ICS, (icr & adapter->eiac_mask));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	if (icr & E1000_ICR_OTHER) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
		if (!(icr & E1000_ICR_LSC))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
			goto no_link_interrupt;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
		hw->mac.get_link_status = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
		/* guard against interrupt when we're going down */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
no_link_interrupt:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	if (!test_bit(__E1000_DOWN, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
		ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	return IRQ_HANDLED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
	struct net_device *netdev = data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	adapter->total_tx_bytes = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
	adapter->total_tx_packets = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	if (!e1000_clean_tx_irq(adapter))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
		/* Ring was not completely cleaned, so fire another interrupt */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
		ew32(ICS, tx_ring->ims_val);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	return IRQ_HANDLED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	struct net_device *netdev = data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	/* Write the ITR value calculated at the end of the
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	 * previous interrupt.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	if (adapter->rx_ring->set_itr) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
		writel(1000000000 / (adapter->rx_ring->itr_val * 256),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
		       adapter->hw.hw_addr + adapter->rx_ring->itr_register);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
		adapter->rx_ring->set_itr = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  1724
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  1725
		int ec_work_done = 0;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  1726
		adapter->clean_rx(adapter, &ec_work_done, 100);
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
		if (napi_schedule_prep(&adapter->napi)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
			adapter->total_rx_bytes = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
			adapter->total_rx_packets = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
			__napi_schedule(&adapter->napi);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
	return IRQ_HANDLED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
 * e1000_configure_msix - Configure MSI-X hardware
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
 * e1000_configure_msix sets up the hardware to properly
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
 * generate MSI-X interrupts.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
static void e1000_configure_msix(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	struct e1000_ring *rx_ring = adapter->rx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
	int vector = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
	u32 ctrl_ext, ivar = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
	adapter->eiac_mask = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
	/* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	if (hw->mac.type == e1000_82574) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
		u32 rfctl = er32(RFCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
		rfctl |= E1000_RFCTL_ACK_DIS;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
		ew32(RFCTL, rfctl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
#define E1000_IVAR_INT_ALLOC_VALID	0x8
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	/* Configure Rx vector */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	rx_ring->ims_val = E1000_IMS_RXQ0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
	adapter->eiac_mask |= rx_ring->ims_val;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	if (rx_ring->itr_val)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
		writel(1000000000 / (rx_ring->itr_val * 256),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
		       hw->hw_addr + rx_ring->itr_register);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
		writel(1, hw->hw_addr + rx_ring->itr_register);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
	ivar = E1000_IVAR_INT_ALLOC_VALID | vector;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
	/* Configure Tx vector */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	tx_ring->ims_val = E1000_IMS_TXQ0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
	vector++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
	if (tx_ring->itr_val)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
		writel(1000000000 / (tx_ring->itr_val * 256),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
		       hw->hw_addr + tx_ring->itr_register);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
		writel(1, hw->hw_addr + tx_ring->itr_register);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	adapter->eiac_mask |= tx_ring->ims_val;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
	/* set vector for Other Causes, e.g. link changes */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
	vector++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	if (rx_ring->itr_val)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
		writel(1000000000 / (rx_ring->itr_val * 256),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
		       hw->hw_addr + E1000_EITR_82574(vector));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
		writel(1, hw->hw_addr + E1000_EITR_82574(vector));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
	/* Cause Tx interrupts on every write back */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
	ivar |= (1 << 31);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
	ew32(IVAR, ivar);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	/* enable MSI-X PBA support */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	ctrl_ext = er32(CTRL_EXT);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
	ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
	/* Auto-Mask Other interrupts upon ICR read */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
#define E1000_EIAC_MASK_82574   0x01F00000
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
	ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	ctrl_ext |= E1000_CTRL_EXT_EIAME;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	ew32(CTRL_EXT, ctrl_ext);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	e1e_flush();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	if (adapter->msix_entries) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
		pci_disable_msix(adapter->pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
		kfree(adapter->msix_entries);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
		adapter->msix_entries = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
	} else if (adapter->flags & FLAG_MSI_ENABLED) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		pci_disable_msi(adapter->pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
		adapter->flags &= ~FLAG_MSI_ENABLED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
 * e1000e_set_interrupt_capability - set MSI or MSI-X if supported
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
 * Attempt to configure interrupts using the best available
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
 * capabilities of the hardware and kernel.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
	int err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
	int numvecs, i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
	switch (adapter->int_mode) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
	case E1000E_INT_MODE_MSIX:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
		if (adapter->flags & FLAG_HAS_MSIX) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
			numvecs = 3; /* RxQ0, TxQ0 and other */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
			adapter->msix_entries = kcalloc(numvecs,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
						      sizeof(struct msix_entry),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
						      GFP_KERNEL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
			if (adapter->msix_entries) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
				for (i = 0; i < numvecs; i++)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
					adapter->msix_entries[i].entry = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
				err = pci_enable_msix(adapter->pdev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
						      adapter->msix_entries,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
						      numvecs);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
				if (err == 0)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
					return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
			/* MSI-X failed, so fall through and try MSI */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
			e_err("Failed to initialize MSI-X interrupts.  "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
			      "Falling back to MSI interrupts.\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
			e1000e_reset_interrupt_capability(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
		adapter->int_mode = E1000E_INT_MODE_MSI;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
		/* Fall through */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
	case E1000E_INT_MODE_MSI:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
		if (!pci_enable_msi(adapter->pdev)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
			adapter->flags |= FLAG_MSI_ENABLED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
		} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
			adapter->int_mode = E1000E_INT_MODE_LEGACY;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
			e_err("Failed to initialize MSI interrupts.  Falling "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
			      "back to legacy interrupts.\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
		/* Fall through */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
	case E1000E_INT_MODE_LEGACY:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
		/* Don't do anything; this is the system default */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
 * e1000_request_msix - Initialize MSI-X interrupts
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
 * e1000_request_msix allocates MSI-X vectors and requests interrupts from the
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
 * kernel.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
static int e1000_request_msix(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
	int err = 0, vector = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
		sprintf(adapter->rx_ring->name, "%s-rx-0", netdev->name);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
	err = request_irq(adapter->msix_entries[vector].vector,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
			  e1000_intr_msix_rx, 0, adapter->rx_ring->name,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
			  netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
		goto out;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	adapter->rx_ring->itr_register = E1000_EITR_82574(vector);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	adapter->rx_ring->itr_val = adapter->itr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
	vector++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
	err = request_irq(adapter->msix_entries[vector].vector,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
			  e1000_intr_msix_tx, 0, adapter->tx_ring->name,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
			  netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
		goto out;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	adapter->tx_ring->itr_register = E1000_EITR_82574(vector);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	adapter->tx_ring->itr_val = adapter->itr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
	vector++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
	err = request_irq(adapter->msix_entries[vector].vector,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
			  e1000_msix_other, 0, netdev->name, netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
		goto out;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
	e1000_configure_msix(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
out:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
 * e1000_request_irq - initialize interrupts
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
 * Attempts to configure interrupts using the best available
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
 * capabilities of the hardware and kernel.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
static int e1000_request_irq(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
	int err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	if (adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
		return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	if (adapter->msix_entries) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
		err = e1000_request_msix(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
		if (!err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
			return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
		/* fall back to MSI */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
		e1000e_reset_interrupt_capability(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
		adapter->int_mode = E1000E_INT_MODE_MSI;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
		e1000e_set_interrupt_capability(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
	if (adapter->flags & FLAG_MSI_ENABLED) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
		err = request_irq(adapter->pdev->irq, e1000_intr_msi, 0,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
				  netdev->name, netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
		if (!err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
			return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
		/* fall back to legacy interrupt */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
		e1000e_reset_interrupt_capability(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
	err = request_irq(adapter->pdev->irq, e1000_intr, IRQF_SHARED,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
			  netdev->name, netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
		e_err("Unable to allocate interrupt, Error: %d\n", err);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
	return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
static void e1000_free_irq(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
	if (adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
	if (adapter->msix_entries) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
		int vector = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
		free_irq(adapter->msix_entries[vector].vector, netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
		vector++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
		free_irq(adapter->msix_entries[vector].vector, netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
		vector++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
		/* Other Causes interrupt vector */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
		free_irq(adapter->msix_entries[vector].vector, netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	free_irq(adapter->pdev->irq, netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
 * e1000_irq_disable - Mask off interrupt generation on the NIC
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
static void e1000_irq_disable(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	if (adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
	ew32(IMC, ~0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
	if (adapter->msix_entries)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
		ew32(EIAC_82574, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
	e1e_flush();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
	synchronize_irq(adapter->pdev->irq);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
 * e1000_irq_enable - Enable default interrupt generation settings
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
static void e1000_irq_enable(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	if (adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
	if (adapter->msix_entries) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
		ew32(IMS, IMS_ENABLE_MASK);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
	e1e_flush();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
 * e1000_get_hw_control - get control of the h/w from f/w
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
 * @adapter: address of board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
 * e1000_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
 * For ASF and Pass Through versions of f/w this means that
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
 * the driver is loaded. For AMT version (only with 82573)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
 * of the f/w this means that the network i/f is open.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
static void e1000_get_hw_control(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
	u32 ctrl_ext;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
	u32 swsm;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	/* Let firmware know the driver has taken over */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
		swsm = er32(SWSM);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
		ctrl_ext = er32(CTRL_EXT);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
 * e1000_release_hw_control - release control of the h/w to f/w
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
 * @adapter: address of board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
 * e1000_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
 * For ASF and Pass Through versions of f/w this means that the
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
 * driver is no longer loaded. For AMT version (only with 82573) i
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
 * of the f/w this means that the network i/f is closed.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
static void e1000_release_hw_control(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	u32 ctrl_ext;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
	u32 swsm;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	/* Let firmware taken over control of h/w */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
		swsm = er32(SWSM);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
		ctrl_ext = er32(CTRL_EXT);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
 * @e1000_alloc_ring - allocate memory for a ring structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
				struct e1000_ring *ring)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
					GFP_KERNEL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
	if (!ring->desc)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
		return -ENOMEM;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
 * e1000e_setup_tx_resources - allocate Tx resources (Descriptors)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
 * Return 0 on success, negative on failure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	int err = -ENOMEM, size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
	size = sizeof(struct e1000_buffer) * tx_ring->count;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	tx_ring->buffer_info = vmalloc(size);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
	if (!tx_ring->buffer_info)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
		goto err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
	memset(tx_ring->buffer_info, 0, size);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
	/* round up to nearest 4K */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
	tx_ring->size = ALIGN(tx_ring->size, 4096);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
	err = e1000_alloc_ring_dma(adapter, tx_ring);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
		goto err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
	tx_ring->next_to_use = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
	tx_ring->next_to_clean = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
err:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
	vfree(tx_ring->buffer_info);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
 * e1000e_setup_rx_resources - allocate Rx resources (Descriptors)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
 * Returns 0 on success, negative on failure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
int e1000e_setup_rx_resources(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	struct e1000_ring *rx_ring = adapter->rx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	struct e1000_buffer *buffer_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	int i, size, desc_len, err = -ENOMEM;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	size = sizeof(struct e1000_buffer) * rx_ring->count;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
	rx_ring->buffer_info = vmalloc(size);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	if (!rx_ring->buffer_info)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
		goto err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	memset(rx_ring->buffer_info, 0, size);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
	for (i = 0; i < rx_ring->count; i++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
		buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
		buffer_info->ps_pages = kcalloc(PS_PAGE_BUFFERS,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
						sizeof(struct e1000_ps_page),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
						GFP_KERNEL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
		if (!buffer_info->ps_pages)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
			goto err_pages;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	desc_len = sizeof(union e1000_rx_desc_packet_split);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
	/* Round up to nearest 4K */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
	rx_ring->size = rx_ring->count * desc_len;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
	rx_ring->size = ALIGN(rx_ring->size, 4096);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
	err = e1000_alloc_ring_dma(adapter, rx_ring);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
		goto err_pages;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
	rx_ring->next_to_clean = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
	rx_ring->next_to_use = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
	rx_ring->rx_skb_top = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
err_pages:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	for (i = 0; i < rx_ring->count; i++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
		buffer_info = &rx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
		kfree(buffer_info->ps_pages);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
err:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	vfree(rx_ring->buffer_info);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
 * e1000_clean_tx_ring - Free Tx Buffers
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
static void e1000_clean_tx_ring(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	struct e1000_buffer *buffer_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	unsigned long size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	unsigned int i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
	for (i = 0; i < tx_ring->count; i++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
		buffer_info = &tx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
		e1000_put_txbuf(adapter, buffer_info);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	size = sizeof(struct e1000_buffer) * tx_ring->count;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	memset(tx_ring->buffer_info, 0, size);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
	memset(tx_ring->desc, 0, tx_ring->size);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
	tx_ring->next_to_use = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
	tx_ring->next_to_clean = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	writel(0, adapter->hw.hw_addr + tx_ring->head);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	writel(0, adapter->hw.hw_addr + tx_ring->tail);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
 * e1000e_free_tx_resources - Free Tx Resources per Queue
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
 * Free all transmit software resources
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
void e1000e_free_tx_resources(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	e1000_clean_tx_ring(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	vfree(tx_ring->buffer_info);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	tx_ring->buffer_info = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
			  tx_ring->dma);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	tx_ring->desc = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
 * e1000e_free_rx_resources - Free Rx Resources
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
 * Free all receive software resources
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
void e1000e_free_rx_resources(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	struct e1000_ring *rx_ring = adapter->rx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	int i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	e1000_clean_rx_ring(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
	for (i = 0; i < rx_ring->count; i++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
		kfree(rx_ring->buffer_info[i].ps_pages);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
	vfree(rx_ring->buffer_info);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
	rx_ring->buffer_info = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
			  rx_ring->dma);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
	rx_ring->desc = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
 * e1000_update_itr - update the dynamic ITR value based on statistics
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
 * @adapter: pointer to adapter
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
 * @itr_setting: current adapter->itr
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
 * @packets: the number of packets during this measurement interval
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
 * @bytes: the number of bytes during this measurement interval
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
 *      Stores a new ITR value based on packets and byte
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
 *      counts during the last interrupt.  The advantage of per interrupt
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
 *      computation is faster updates and more accurate ITR for the current
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
 *      traffic pattern.  Constants in this function were computed
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
 *      based on theoretical maximum wire speed and thresholds were set based
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
 *      on testing data as well as attempting to minimize response time
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
 *      while increasing bulk throughput.  This functionality is controlled
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
 *      by the InterruptThrottleRate module parameter.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
				     u16 itr_setting, int packets,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
				     int bytes)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
	unsigned int retval = itr_setting;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
	if (packets == 0)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
		goto update_itr_done;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
	switch (itr_setting) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	case lowest_latency:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
		/* handle TSO and jumbo frames */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
		if (bytes/packets > 8000)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
			retval = bulk_latency;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
		else if ((packets < 5) && (bytes > 512)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
			retval = low_latency;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
	case low_latency:  /* 50 usec aka 20000 ints/s */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
		if (bytes > 10000) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
			/* this if handles the TSO accounting */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
			if (bytes/packets > 8000) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
				retval = bulk_latency;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
			} else if ((packets < 10) || ((bytes/packets) > 1200)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
				retval = bulk_latency;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
			} else if ((packets > 35)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
				retval = lowest_latency;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
		} else if (bytes/packets > 2000) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
			retval = bulk_latency;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
		} else if (packets <= 2 && bytes < 512) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
			retval = lowest_latency;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
	case bulk_latency: /* 250 usec aka 4000 ints/s */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
		if (bytes > 25000) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
			if (packets > 35) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
				retval = low_latency;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
		} else if (bytes < 6000) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
			retval = low_latency;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
update_itr_done:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
	return retval;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
static void e1000_set_itr(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	u16 current_itr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	u32 new_itr = adapter->itr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	if (adapter->link_speed != SPEED_1000) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
		current_itr = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
		new_itr = 4000;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
		goto set_itr_now;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	adapter->tx_itr = e1000_update_itr(adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
				    adapter->tx_itr,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
				    adapter->total_tx_packets,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
				    adapter->total_tx_bytes);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
		adapter->tx_itr = low_latency;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	adapter->rx_itr = e1000_update_itr(adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
				    adapter->rx_itr,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
				    adapter->total_rx_packets,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
				    adapter->total_rx_bytes);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		adapter->rx_itr = low_latency;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
	switch (current_itr) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	/* counts and packets in update_itr are dependent on these numbers */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	case lowest_latency:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
		new_itr = 70000;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
	case low_latency:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
		new_itr = 20000; /* aka hwitr = ~200 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
	case bulk_latency:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
		new_itr = 4000;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	default:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
set_itr_now:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	if (new_itr != adapter->itr) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
		 * this attempts to bias the interrupt rate towards Bulk
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
		 * by adding intermediate steps when interrupt rate is
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
		 * increasing
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
		new_itr = new_itr > adapter->itr ?
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
			     min(adapter->itr + (new_itr >> 2), new_itr) :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
			     new_itr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
		adapter->itr = new_itr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
		adapter->rx_ring->itr_val = new_itr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
		if (adapter->msix_entries)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
			adapter->rx_ring->set_itr = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
		else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
			ew32(ITR, 1000000000 / (new_itr * 256));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
 * e1000_alloc_queues - Allocate memory for all rings
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
 * @adapter: board private structure to initialize
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
	adapter->tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
	if (!adapter->tx_ring)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
		goto err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
	adapter->rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
	if (!adapter->rx_ring)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
		goto err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
err:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
	e_err("Unable to allocate memory for queues\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
	kfree(adapter->rx_ring);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
	kfree(adapter->tx_ring);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
	return -ENOMEM;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
 * e1000_clean - NAPI Rx polling callback
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
 * @napi: struct associated with this polling callback
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
 * @budget: amount of packets driver is allowed to process this poll
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
static int e1000_clean(struct napi_struct *napi, int budget)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
	struct net_device *poll_dev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
	int tx_cleaned = 1, work_done = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
	adapter = netdev_priv(poll_dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	if (adapter->msix_entries &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
	    !(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
		goto clean_rx;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
	tx_cleaned = e1000_clean_tx_irq(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
clean_rx:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	adapter->clean_rx(adapter, &work_done, budget);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	if (!tx_cleaned)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
		work_done = budget;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	/* If budget not fully consumed, exit the polling mode */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
	if (work_done < budget) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
		if (adapter->itr_setting & 3)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
			e1000_set_itr(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
		napi_complete(napi);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
		if (!test_bit(__E1000_DOWN, &adapter->state)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
			if (adapter->msix_entries)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
				ew32(IMS, adapter->rx_ring->ims_val);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
			else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
				e1000_irq_enable(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	return work_done;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
	u32 vfta, index;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
	/* don't update vlan cookie if already programmed */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
	if ((adapter->hw.mng_cookie.status &
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
	    (vid == adapter->mng_vlan_id))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
	/* add VID to filter table */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		index = (vid >> 5) & 0x7F;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
		vfta |= (1 << (vid & 0x1F));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
		hw->mac.ops.write_vfta(hw, index, vfta);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
	u32 vfta, index;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	if (!test_bit(__E1000_DOWN, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
		e1000_irq_disable(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	if (!test_bit(__E1000_DOWN, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
		e1000_irq_enable(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
	if ((adapter->hw.mng_cookie.status &
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	    (vid == adapter->mng_vlan_id)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
		/* release control to f/w */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
		e1000_release_hw_control(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
	/* remove VID from filter table */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
		index = (vid >> 5) & 0x7F;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
		vfta &= ~(1 << (vid & 0x1F));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
		hw->mac.ops.write_vfta(hw, index, vfta);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
	u16 vid = adapter->hw.mng_cookie.vlan_id;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
	u16 old_vid = adapter->mng_vlan_id;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
	if (!adapter->vlgrp)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
	if (!vlan_group_get_device(adapter->vlgrp, vid)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
		adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
		if (adapter->hw.mng_cookie.status &
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
			e1000_vlan_rx_add_vid(netdev, vid);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
			adapter->mng_vlan_id = vid;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
				(vid != old_vid) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
		    !vlan_group_get_device(adapter->vlgrp, old_vid))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
			e1000_vlan_rx_kill_vid(netdev, old_vid);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
		adapter->mng_vlan_id = vid;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
static void e1000_vlan_rx_register(struct net_device *netdev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
				   struct vlan_group *grp)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
	u32 ctrl, rctl;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
	if (!test_bit(__E1000_DOWN, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
		e1000_irq_disable(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
	adapter->vlgrp = grp;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
	if (grp) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
		/* enable VLAN tag insert/strip */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
		ctrl = er32(CTRL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
		ctrl |= E1000_CTRL_VME;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
		ew32(CTRL, ctrl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
			/* enable VLAN receive filtering */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
			rctl = er32(RCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
			rctl &= ~E1000_RCTL_CFIEN;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
			ew32(RCTL, rctl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
			e1000_update_mng_vlan(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
		/* disable VLAN tag insert/strip */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
		ctrl = er32(CTRL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
		ctrl &= ~E1000_CTRL_VME;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
		ew32(CTRL, ctrl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
			if (adapter->mng_vlan_id !=
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
			    (u16)E1000_MNG_VLAN_NONE) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
				e1000_vlan_rx_kill_vid(netdev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
						       adapter->mng_vlan_id);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
	if (!test_bit(__E1000_DOWN, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
		e1000_irq_enable(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
static void e1000_restore_vlan(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
	u16 vid;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
	if (!adapter->vlgrp)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
	for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
		if (!vlan_group_get_device(adapter->vlgrp, vid))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
			continue;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
		e1000_vlan_rx_add_vid(adapter->netdev, vid);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
static void e1000_init_manageability_pt(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	u32 manc, manc2h, mdef, i, j;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
	manc = er32(MANC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
	 * enable receiving management packets to the host. this will probably
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
	 * generate destination unreachable messages from the host OS, but
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
	 * the packets will be handled on SMBUS
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
	manc |= E1000_MANC_EN_MNG2HOST;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
	manc2h = er32(MANC2H);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
	switch (hw->mac.type) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	default:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
		manc2h |= (E1000_MANC2H_PORT_623 | E1000_MANC2H_PORT_664);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
	case e1000_82574:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
	case e1000_82583:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
		 * Check if IPMI pass-through decision filter already exists;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
		 * if so, enable it.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
		for (i = 0, j = 0; i < 8; i++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
			mdef = er32(MDEF(i));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
			/* Ignore filters with anything other than IPMI ports */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
			if (mdef & ~(E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
				continue;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
			/* Enable this decision filter in MANC2H */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
			if (mdef)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
				manc2h |= (1 << i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
			j |= mdef;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
		if (j == (E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
		/* Create new decision filter in an empty filter */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
		for (i = 0, j = 0; i < 8; i++)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
			if (er32(MDEF(i)) == 0) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
				ew32(MDEF(i), (E1000_MDEF_PORT_623 |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
					       E1000_MDEF_PORT_664));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
				manc2h |= (1 << 1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
				j++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
				break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
		if (!j)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
			e_warn("Unable to create IPMI pass-through filter\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
	ew32(MANC2H, manc2h);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
	ew32(MANC, manc);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
 * Configure the Tx unit of the MAC after a reset.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
static void e1000_configure_tx(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
	u64 tdba;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
	u32 tdlen, tctl, tipg, tarc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
	u32 ipgr1, ipgr2;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
	/* Setup the HW Tx Head and Tail descriptor pointers */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
	tdba = tx_ring->dma;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
	tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
	ew32(TDBAL, (tdba & DMA_BIT_MASK(32)));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
	ew32(TDBAH, (tdba >> 32));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
	ew32(TDLEN, tdlen);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
	ew32(TDH, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
	ew32(TDT, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
	tx_ring->head = E1000_TDH;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	tx_ring->tail = E1000_TDT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	/* Set the default values for the Tx Inter Packet Gap timer */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
	tipg = DEFAULT_82543_TIPG_IPGT_COPPER;          /*  8  */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
	ipgr1 = DEFAULT_82543_TIPG_IPGR1;               /*  8  */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
	ipgr2 = DEFAULT_82543_TIPG_IPGR2;               /*  6  */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
	if (adapter->flags & FLAG_TIPG_MEDIUM_FOR_80003ESLAN)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2; /*  7  */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	ew32(TIPG, tipg);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
	/* Set the Tx Interrupt Delay register */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	ew32(TIDV, adapter->tx_int_delay);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	/* Tx irq moderation */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
	ew32(TADV, adapter->tx_abs_int_delay);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	/* Program the Transmit Control Register */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	tctl = er32(TCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	tctl &= ~E1000_TCTL_CT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
		tarc = er32(TARC(0));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
		 * set the speed mode bit, we'll clear it if we're not at
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
		 * gigabit link later
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
#define SPEED_MODE_BIT (1 << 21)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
		tarc |= SPEED_MODE_BIT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
		ew32(TARC(0), tarc);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
	/* errata: program both queues to unweighted RR */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
	if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
		tarc = er32(TARC(0));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
		tarc |= 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
		ew32(TARC(0), tarc);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
		tarc = er32(TARC(1));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
		tarc |= 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
		ew32(TARC(1), tarc);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	/* Setup Transmit Descriptor Settings for eop descriptor */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
	/* only set IDE if we are delaying interrupts using the timers */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
	if (adapter->tx_int_delay)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
	/* enable Report Status bit */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
	adapter->txd_cmd |= E1000_TXD_CMD_RS;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
	ew32(TCTL, tctl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
	e1000e_config_collision_dist(hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
 * e1000_setup_rctl - configure the receive control registers
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
 * @adapter: Board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
			   (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
static void e1000_setup_rctl(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
	u32 rctl, rfctl;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	u32 psrctl = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
	u32 pages = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
	/* Program MC offset vector base */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
	rctl = er32(RCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
		(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	/* Do not Store bad packets */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	rctl &= ~E1000_RCTL_SBP;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
	/* Enable Long Packet receive */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
		rctl &= ~E1000_RCTL_LPE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
		rctl |= E1000_RCTL_LPE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
	/* Some systems expect that the CRC is included in SMBUS traffic. The
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	 * hardware strips the CRC before sending to both SMBUS (BMC) and to
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	 * host memory when this is enabled
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
		rctl |= E1000_RCTL_SECRC;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
	/* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
	if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
		u16 phy_data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
		phy_data &= 0xfff8;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		phy_data |= (1 << 2);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		e1e_wphy(hw, PHY_REG(770, 26), phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
		e1e_rphy(hw, 22, &phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
		phy_data &= 0x0fff;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
		phy_data |= (1 << 14);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
		e1e_wphy(hw, 0x10, 0x2823);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
		e1e_wphy(hw, 0x11, 0x0003);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
		e1e_wphy(hw, 22, phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
	/* Setup buffer sizes */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
	rctl &= ~E1000_RCTL_SZ_4096;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
	rctl |= E1000_RCTL_BSEX;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
	switch (adapter->rx_buffer_len) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
	case 2048:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
	default:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
		rctl |= E1000_RCTL_SZ_2048;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
		rctl &= ~E1000_RCTL_BSEX;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
	case 4096:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
		rctl |= E1000_RCTL_SZ_4096;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
	case 8192:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
		rctl |= E1000_RCTL_SZ_8192;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	case 16384:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
		rctl |= E1000_RCTL_SZ_16384;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
	 * 82571 and greater support packet-split where the protocol
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
	 * header is placed in skb->data and the packet data is
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	 * In the case of a non-split, skb->data is linearly filled,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
	 * followed by the page buffers.  Therefore, skb->data is
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
	 * sized to hold the largest protocol header.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
	 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
	 * allocations using alloc_page take too long for regular MTU
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
	 * so only enable packet split for jumbo frames
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	 * Using pages when the page size is greater than 16k wastes
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
	 * a lot of memory, since we allocate 3 pages at all times
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	 * per packet.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
	if (!(adapter->flags & FLAG_IS_ICH) && (pages <= 3) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	    (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
		adapter->rx_ps_pages = pages;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
		adapter->rx_ps_pages = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
	if (adapter->rx_ps_pages) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
		/* Configure extra packet-split registers */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
		rfctl = er32(RFCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
		rfctl |= E1000_RFCTL_EXTEN;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		 * disable packet split support for IPv6 extension headers,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
		 * because some malformed IPv6 headers can hang the Rx
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
			  E1000_RFCTL_NEW_IPV6_EXT_DIS);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
		ew32(RFCTL, rfctl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
		/* Enable Packet split descriptors */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
		rctl |= E1000_RCTL_DTYP_PS;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
		psrctl |= adapter->rx_ps_bsize0 >>
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
			E1000_PSRCTL_BSIZE0_SHIFT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		switch (adapter->rx_ps_pages) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
		case 3:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
			psrctl |= PAGE_SIZE <<
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
				E1000_PSRCTL_BSIZE3_SHIFT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
		case 2:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
			psrctl |= PAGE_SIZE <<
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
				E1000_PSRCTL_BSIZE2_SHIFT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
		case 1:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
			psrctl |= PAGE_SIZE >>
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
				E1000_PSRCTL_BSIZE1_SHIFT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
		ew32(PSRCTL, psrctl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	ew32(RCTL, rctl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	/* just started the receive unit, no need to restart */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	adapter->flags &= ~FLAG_RX_RESTART_NOW;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
 * e1000_configure_rx - Configure Receive Unit after Reset
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
 * Configure the Rx unit of the MAC after a reset.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
static void e1000_configure_rx(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	struct e1000_ring *rx_ring = adapter->rx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	u64 rdba;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	u32 rdlen, rctl, rxcsum, ctrl_ext;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
	if (adapter->rx_ps_pages) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
		/* this is a 32 byte descriptor */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
		rdlen = rx_ring->count *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
			sizeof(union e1000_rx_desc_packet_split);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
		adapter->clean_rx = e1000_clean_rx_irq_ps;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
	} else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
		adapter->clean_rx = e1000_clean_rx_irq;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	/* disable receives while setting up the descriptors */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
	rctl = er32(RCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
	e1e_flush();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
	msleep(10);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
	/* set the Receive Delay Timer Register */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
	ew32(RDTR, adapter->rx_int_delay);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
	/* irq moderation */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
	ew32(RADV, adapter->rx_abs_int_delay);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
	if (adapter->itr_setting != 0)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		ew32(ITR, 1000000000 / (adapter->itr * 256));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
	ctrl_ext = er32(CTRL_EXT);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
	/* Auto-Mask interrupts upon ICR access */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
	ctrl_ext |= E1000_CTRL_EXT_IAME;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
	ew32(IAM, 0xffffffff);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
	ew32(CTRL_EXT, ctrl_ext);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	e1e_flush();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	 * Setup the HW Rx Head and Tail Descriptor Pointers and
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	 * the Base and Length of the Rx Descriptor Ring
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
	rdba = rx_ring->dma;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
	ew32(RDBAL, (rdba & DMA_BIT_MASK(32)));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
	ew32(RDBAH, (rdba >> 32));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
	ew32(RDLEN, rdlen);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
	ew32(RDH, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
	ew32(RDT, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
	rx_ring->head = E1000_RDH;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
	rx_ring->tail = E1000_RDT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
	/* Enable Receive Checksum Offload for TCP and UDP */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
	rxcsum = er32(RXCSUM);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
	if (adapter->flags & FLAG_RX_CSUM_ENABLED) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
		rxcsum |= E1000_RXCSUM_TUOFL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		 * IPv4 payload checksum for UDP fragments must be
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		 * used in conjunction with packet-split.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		if (adapter->rx_ps_pages)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
			rxcsum |= E1000_RXCSUM_IPPCSE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
		rxcsum &= ~E1000_RXCSUM_TUOFL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		/* no need to clear IPPCSE as it defaults to 0 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
	ew32(RXCSUM, rxcsum);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
	 * Enable early receives on supported devices, only takes effect when
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
	 * packet size is equal or larger than the specified value (in 8 byte
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
	 * units), e.g. using jumbo frames when setting to E1000_ERT_2048
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	if (adapter->flags & FLAG_HAS_ERT) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
			u32 rxdctl = er32(RXDCTL(0));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
			ew32(RXDCTL(0), rxdctl | 0x3);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
			ew32(ERT, E1000_ERT_2048 | (1 << 13));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
			/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
			 * With jumbo frames and early-receive enabled,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
			 * excessive C-state transition latencies result in
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
			 * dropped transactions.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
			 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
			pm_qos_update_request(
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
				adapter->netdev->pm_qos_req, 55);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
			pm_qos_update_request(
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
				adapter->netdev->pm_qos_req,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
				PM_QOS_DEFAULT_VALUE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
	/* Enable Receives */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	ew32(RCTL, rctl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
 *  e1000_update_mc_addr_list - Update Multicast addresses
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
 *  @hw: pointer to the HW structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
 *  @mc_addr_list: array of multicast addresses to program
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
 *  @mc_addr_count: number of multicast addresses to program
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
 *  Updates the Multicast Table Array.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
 *  The caller must have a packed mc_addr_list of multicast addresses.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
static void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
				      u32 mc_addr_count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
	hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, mc_addr_count);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
 * e1000_set_multi - Multicast and Promiscuous mode set
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
 * @netdev: network interface device structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
 * The set_multi entry point is called whenever the multicast address
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
 * list or the network interface flags are updated.  This routine is
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
 * responsible for configuring the hardware for proper multicast,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
 * promiscuous mode, and all-multi behavior.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
static void e1000_set_multi(struct net_device *netdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
	struct netdev_hw_addr *ha;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	u8  *mta_list;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
	u32 rctl;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
	int i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
	/* Check for Promiscuous and All Multicast modes */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
	rctl = er32(RCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	if (netdev->flags & IFF_PROMISC) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
		rctl &= ~E1000_RCTL_VFE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
		if (netdev->flags & IFF_ALLMULTI) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
			rctl |= E1000_RCTL_MPE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
			rctl &= ~E1000_RCTL_UPE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
		} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
			rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
			rctl |= E1000_RCTL_VFE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	ew32(RCTL, rctl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	if (!netdev_mc_empty(netdev)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
		mta_list = kmalloc(netdev_mc_count(netdev) * 6, GFP_ATOMIC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
		if (!mta_list)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
			return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
		/* prepare a packed array of only addresses. */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
		i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
		netdev_for_each_mc_addr(ha, netdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
			memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
		e1000_update_mc_addr_list(hw, mta_list, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
		kfree(mta_list);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
		 * if we're called from probe, we might not have
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
		 * anything to do here, so clear out the list
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
		e1000_update_mc_addr_list(hw, NULL, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
 * e1000_configure - configure the hardware for Rx and Tx
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
 * @adapter: private board structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
static void e1000_configure(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
	e1000_set_multi(adapter->netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
	e1000_restore_vlan(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	e1000_init_manageability_pt(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
	e1000_configure_tx(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
	e1000_setup_rctl(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	e1000_configure_rx(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
	if (adapter->ecdev) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
		adapter->alloc_rx_buf(adapter, adapter->rx_ring->count);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
		adapter->alloc_rx_buf(adapter, e1000_desc_unused(adapter->rx_ring));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
 * e1000e_power_up_phy - restore link in case the phy was powered down
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
 * @adapter: address of board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
 * The phy may be powered down to save power and turn off link when the
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
 * driver is unloaded and wake on lan is not enabled (among others)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
 * *** this routine MUST be followed by a call to e1000e_reset ***
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
void e1000e_power_up_phy(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	if (adapter->hw.phy.ops.power_up)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
		adapter->hw.phy.ops.power_up(&adapter->hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	adapter->hw.mac.ops.setup_link(&adapter->hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
 * e1000_power_down_phy - Power down the PHY
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
 * Power down the PHY so no link is implied when interface is down.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
 * The PHY cannot be powered down if management or WoL is active.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
static void e1000_power_down_phy(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	/* WoL is enabled */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	if (adapter->wol)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
	if (adapter->hw.phy.ops.power_down)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
		adapter->hw.phy.ops.power_down(&adapter->hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
 * e1000e_reset - bring the hardware into a known good state
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
 * This function boots the hardware and enables some settings that
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
 * require a configuration cycle of the hardware - those cannot be
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
 * set/changed during runtime. After reset the device needs to be
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
 * properly configured for Rx, Tx etc.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
void e1000e_reset(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	struct e1000_mac_info *mac = &adapter->hw.mac;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
	struct e1000_fc_info *fc = &adapter->hw.fc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	u32 tx_space, min_tx_space, min_rx_space;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	u32 pba = adapter->pba;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	u16 hwm;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	/* reset Packet Buffer Allocation to default */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
	ew32(PBA, pba);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
		 * To maintain wire speed transmits, the Tx FIFO should be
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
		 * large enough to accommodate two full transmit packets,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
		 * the Rx FIFO should be large enough to accommodate at least
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
		 * one full receive packet and is similarly rounded up and
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
		 * expressed in KB.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
		pba = er32(PBA);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
		/* upper 16 bits has Tx packet buffer allocation size in KB */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
		tx_space = pba >> 16;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
		/* lower 16 bits has Rx packet buffer allocation size in KB */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
		pba &= 0xffff;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
		 * the Tx fifo also stores 16 bytes of information about the tx
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
		 * but don't include ethernet FCS because hardware appends it
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
		min_tx_space = (adapter->max_frame_size +
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
				sizeof(struct e1000_tx_desc) -
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
				ETH_FCS_LEN) * 2;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
		min_tx_space = ALIGN(min_tx_space, 1024);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
		min_tx_space >>= 10;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
		/* software strips receive CRC, so leave room for it */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
		min_rx_space = adapter->max_frame_size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
		min_rx_space = ALIGN(min_rx_space, 1024);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
		min_rx_space >>= 10;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
		 * If current Tx allocation is less than the min Tx FIFO size,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
		 * and the min Tx FIFO size is less than the current Rx FIFO
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
		 * allocation, take space away from current Rx allocation
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
		if ((tx_space < min_tx_space) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
		    ((min_tx_space - tx_space) < pba)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
			pba -= min_tx_space - tx_space;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
			/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
			 * if short on Rx space, Rx wins and must trump tx
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
			 * adjustment or use Early Receive if available
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
			 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
			if ((pba < min_rx_space) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
			    (!(adapter->flags & FLAG_HAS_ERT)))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
				/* ERT enabled in e1000_configure_rx */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
				pba = min_rx_space;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		ew32(PBA, pba);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
	 * flow control settings
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	 * The high water mark must be low enough to fit one full frame
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	 * (or the size used for early receive) above it in the Rx FIFO.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
	 * Set it to the lower of:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	 * - 90% of the Rx FIFO size, and
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
	 * - the full Rx FIFO size minus the early receive size (for parts
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	 * - the full Rx FIFO size minus one full frame
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
	if (hw->mac.type == e1000_pchlan) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
		 * Workaround PCH LOM adapter hangs with certain network
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
		 * loads.  If hangs persist, try disabling Tx flow control.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
			fc->high_water = 0x3500;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
			fc->low_water  = 0x1500;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
		} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
			fc->high_water = 0x5000;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
			fc->low_water  = 0x3000;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
		fc->refresh_time = 0x1000;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
		if ((adapter->flags & FLAG_HAS_ERT) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
		    (adapter->netdev->mtu > ETH_DATA_LEN))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
			hwm = min(((pba << 10) * 9 / 10),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
				  ((pba << 10) - (E1000_ERT_2048 << 3)));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
		else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
			hwm = min(((pba << 10) * 9 / 10),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
				  ((pba << 10) - adapter->max_frame_size));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
		fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
		fc->low_water = fc->high_water - 8;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
		fc->pause_time = 0xFFFF;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
		fc->pause_time = E1000_FC_PAUSE_TIME;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
	fc->send_xon = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	fc->current_mode = fc->requested_mode;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	/* Allow time for pending master requests to run */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	mac->ops.reset_hw(hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
	 * For parts with AMT enabled, let the firmware know
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	 * that the network interface is in control
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
	if (adapter->flags & FLAG_HAS_AMT)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
		e1000_get_hw_control(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
	ew32(WUC, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
		e1e_wphy(&adapter->hw, BM_WUC, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
	if (mac->ops.init_hw(hw))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
		e_err("Hardware Error\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	e1000_update_mng_vlan(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
	ew32(VET, ETH_P_8021Q);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
	e1000e_reset_adaptive(hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	e1000_get_phy_info(hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
	    !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
		u16 phy_data = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
		 * speed up time to link by disabling smart power down, ignore
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
		 * the return value of this function because there is nothing
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
		 * different we would do if it failed
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
		e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
		phy_data &= ~IGP02E1000_PM_SPD;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
		e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
int e1000e_up(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	/* DMA latency requirement to workaround early-receive/jumbo issue */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	if (adapter->flags & FLAG_HAS_ERT)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
		adapter->netdev->pm_qos_req =
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
			pm_qos_add_request(PM_QOS_CPU_DMA_LATENCY,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
				       PM_QOS_DEFAULT_VALUE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	/* hardware has been reset, we need to reload some things */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
	e1000_configure(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	clear_bit(__E1000_DOWN, &adapter->state);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	if (!adapter->ecdev) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
		napi_enable(&adapter->napi);
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3275
	}
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	if (adapter->msix_entries)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
		e1000_configure_msix(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	if (!adapter->ecdev) {
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3280
		e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3281
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3282
		netif_wake_queue(adapter->netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3283
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3284
		/* fire a link change interrupt to start the watchdog */
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3285
		if (adapter->msix_entries)
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3286
			ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3287
		else
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3288
			ew32(ICS, E1000_ICS_LSC);
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
void e1000e_down(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
	u32 tctl, rctl;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
	 * signal that we're down so the interrupt handler does not
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	 * reschedule our watchdog timer
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	set_bit(__E1000_DOWN, &adapter->state);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	/* disable receives in the hardware */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	rctl = er32(RCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	/* flush and sleep below */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3311
	if (!adapter->ecdev)
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
		netif_stop_queue(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	/* disable transmits in the hardware */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
	tctl = er32(TCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
	tctl &= ~E1000_TCTL_EN;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	ew32(TCTL, tctl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	/* flush both disables and wait for them to finish */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
	e1e_flush();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
	msleep(10);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
	if (!adapter->ecdev) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
		napi_disable(&adapter->napi);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
		e1000_irq_disable(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
		del_timer_sync(&adapter->watchdog_timer);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
		del_timer_sync(&adapter->phy_info_timer);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	if (adapter->ecdev) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
		ecdev_set_link(adapter->ecdev, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
		netif_carrier_off(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	adapter->link_speed = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	adapter->link_duplex = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	if (!pci_channel_offline(adapter->pdev))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
		e1000e_reset(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	e1000_clean_tx_ring(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	e1000_clean_rx_ring(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
	if (adapter->flags & FLAG_HAS_ERT) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
		pm_qos_remove_request(
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
			      adapter->netdev->pm_qos_req);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
		adapter->netdev->pm_qos_req = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	 * TODO: for power management, we could drop the link and
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	 * pci_disable_device here.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
void e1000e_reinit_locked(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	might_sleep();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
		msleep(1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	e1000e_down(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	e1000e_up(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
	clear_bit(__E1000_RESETTING, &adapter->state);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
 * @adapter: board private structure to initialize
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
 * e1000_sw_init initializes the Adapter private data structure.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
 * Fields are initialized based on PCI device information and
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
 * OS network device settings (MTU size).
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
	adapter->rx_ps_bsize0 = 128;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	e1000e_set_interrupt_capability(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	if (e1000_alloc_queues(adapter))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
		return -ENOMEM;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
	/* Explicitly disable IRQ since the NIC can be in any state. */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
	e1000_irq_disable(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	set_bit(__E1000_DOWN, &adapter->state);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
 * e1000_intr_msi_test - Interrupt Handler
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
 * @irq: interrupt number
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
 * @data: pointer to a network interface device structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
static irqreturn_t e1000_intr_msi_test(int irq, void *data)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
	struct net_device *netdev = data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	u32 icr = er32(ICR);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	e_dbg("icr is %08X\n", icr);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	if (icr & E1000_ICR_RXSEQ) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
		wmb();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	return IRQ_HANDLED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
 * e1000_test_msi_interrupt - Returns 0 for successful test
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
 * @adapter: board private struct
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
 * code flow taken from tg3.c
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
	int err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
	/* poll_enable hasn't been called yet, so don't need disable */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	/* clear any pending events */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
	er32(ICR);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	/* free the real vector and request a test handler */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
	e1000_free_irq(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	e1000e_reset_interrupt_capability(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
	/* Assume that the test fails, if it succeeds then the test
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	 * MSI irq handler will unset this flag */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	adapter->flags |= FLAG_MSI_TEST_FAILED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	err = pci_enable_msi(adapter->pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
		goto msi_test_failed;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
			  netdev->name, netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	if (err) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
		pci_disable_msi(adapter->pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
		goto msi_test_failed;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	wmb();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	e1000_irq_enable(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	/* fire an unusual interrupt on the test handler */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	ew32(ICS, E1000_ICS_RXSEQ);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
	e1e_flush();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	msleep(50);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	e1000_irq_disable(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	rmb();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
		err = -EIO;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
		e_info("MSI interrupt test failed!\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	free_irq(adapter->pdev->irq, netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
	pci_disable_msi(adapter->pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	if (err == -EIO)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
		goto msi_test_failed;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	/* okay so the test worked, restore settings */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
	e_dbg("MSI interrupt test succeeded!\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
msi_test_failed:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	e1000e_set_interrupt_capability(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	e1000_request_irq(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
 * e1000_test_msi - Returns 0 if MSI test succeeds or INTx mode is restored
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
 * @adapter: board private struct
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
 * code flow taken from tg3.c, called with e1000 interrupts disabled.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
static int e1000_test_msi(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	int err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	u16 pci_cmd;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
	if (!(adapter->flags & FLAG_MSI_ENABLED))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
		return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	/* disable SERR in case the MSI write causes a master abort */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	if (pci_cmd & PCI_COMMAND_SERR)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
		pci_write_config_word(adapter->pdev, PCI_COMMAND,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
				      pci_cmd & ~PCI_COMMAND_SERR);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	err = e1000_test_msi_interrupt(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	/* re-enable SERR */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	if (pci_cmd & PCI_COMMAND_SERR) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
		pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
		pci_cmd |= PCI_COMMAND_SERR;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
		pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	/* success ! */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	if (!err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
		return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
	/* EIO means MSI test failed */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	if (err != -EIO)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
		return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	/* back to INTx mode */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
	e_warn("MSI interrupt test failed, using legacy interrupt.\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	e1000_free_irq(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
	err = e1000_request_irq(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
 * e1000_open - Called when a network interface is made active
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
 * @netdev: network interface device structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
 * Returns 0 on success, negative value on failure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
 * The open entry point is called when a network interface is made
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
 * active by the system (IFF_UP).  At this point all resources needed
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
 * for transmit and receive operations are allocated, the interrupt
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
 * handler is registered with the OS, the watchdog timer is started,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
 * and the stack is notified that the interface is ready.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
static int e1000_open(struct net_device *netdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
	int err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
	/* disallow open during test */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
	if (test_bit(__E1000_TESTING, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
		return -EBUSY;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
	pm_runtime_get_sync(&pdev->dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	if (adapter->ecdev) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
		ecdev_set_link(adapter->ecdev, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
		netif_carrier_off(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	/* allocate transmit descriptors */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
	err = e1000e_setup_tx_resources(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
		goto err_setup_tx;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	/* allocate receive descriptors */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
	err = e1000e_setup_rx_resources(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
		goto err_setup_rx;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
	 * If AMT is enabled, let the firmware know that the network
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	 * interface is now open and reset the part to a known state.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	if (adapter->flags & FLAG_HAS_AMT) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
		e1000_get_hw_control(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
		e1000e_reset(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
	e1000e_power_up_phy(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
	if ((adapter->hw.mng_cookie.status &
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
		e1000_update_mng_vlan(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
	 * before we allocate an interrupt, we must be ready to handle it.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
	 * as soon as we call pci_request_irq, so we have to setup our
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
	 * clean_rx handler before we do so.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
	e1000_configure(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
	err = e1000_request_irq(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
		goto err_req_irq;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
	 * Work around PCIe errata with MSI interrupts causing some chipsets to
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	 * ignore e1000e MSI messages, which means we need to test our MSI
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	 * interrupt now
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
	if (adapter->int_mode != E1000E_INT_MODE_LEGACY) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
		err = e1000_test_msi(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
		if (err) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
			e_err("Interrupt allocation failed\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
			goto err_req_irq;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
	/* From here on the code is the same as e1000e_up() */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
	clear_bit(__E1000_DOWN, &adapter->state);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3614
	if (!adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3615
		napi_enable(&adapter->napi);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3616
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3617
		e1000_irq_enable(adapter);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3618
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3619
		netif_start_queue(netdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  3620
	}
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
	adapter->idle_check = true;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
	pm_runtime_put(&pdev->dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	/* fire a link status change interrupt to start the watchdog */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	if (adapter->msix_entries)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
		ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
		ew32(ICS, E1000_ICS_LSC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
err_req_irq:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
	e1000_release_hw_control(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	e1000_power_down_phy(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	e1000e_free_rx_resources(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
err_setup_rx:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	e1000e_free_tx_resources(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
err_setup_tx:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	e1000e_reset(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	pm_runtime_put_sync(&pdev->dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
 * e1000_close - Disables a network interface
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
 * @netdev: network interface device structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
 * Returns 0, this is not allowed to fail
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
 * The close entry point is called when an interface is de-activated
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
 * by the OS.  The hardware is still under the drivers control, but
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
 * needs to be disabled.  A global MAC reset is issued to stop the
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
 * hardware, and all transmit and receive resources are freed.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
static int e1000_close(struct net_device *netdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
	pm_runtime_get_sync(&pdev->dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	if (!test_bit(__E1000_DOWN, &adapter->state)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
		e1000e_down(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
		e1000_free_irq(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
	e1000_power_down_phy(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	e1000e_free_tx_resources(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	e1000e_free_rx_resources(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
	 * kill manageability vlan ID if supported, but not if a vlan with
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	 * the same ID is registered on the host OS (let 8021q kill it)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	if ((adapter->hw.mng_cookie.status &
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	     !(adapter->vlgrp &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id)))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	 * If AMT is enabled, let the firmware know that the network
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	 * interface is now closed
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
	if (adapter->flags & FLAG_HAS_AMT)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
		e1000_release_hw_control(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	pm_runtime_put_sync(&pdev->dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
 * e1000_set_mac - Change the Ethernet Address of the NIC
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
 * @netdev: network interface device structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
 * @p: pointer to an address structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
 * Returns 0 on success, negative on failure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
static int e1000_set_mac(struct net_device *netdev, void *p)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
	struct sockaddr *addr = p;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	if (!is_valid_ether_addr(addr->sa_data))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
		return -EADDRNOTAVAIL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
	memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
	e1000e_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
		/* activate the work around */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
		e1000e_set_laa_state_82571(&adapter->hw, 1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
		 * Hold a copy of the LAA in RAR[14] This is done so that
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
		 * between the time RAR[0] gets clobbered  and the time it
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
		 * of the RARs and no incoming packets directed to this port
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
		 * are dropped. Eventually the LAA will be in RAR[0] and
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
		 * RAR[14]
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
		e1000e_rar_set(&adapter->hw,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
			      adapter->hw.mac.addr,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
			      adapter->hw.mac.rar_entry_count - 1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
 * e1000e_update_phy_task - work thread to update phy
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
 * @work: pointer to our work struct
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
 * this worker thread exists because we must acquire a
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
 * semaphore to read the phy, which we could msleep while
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
 * waiting for it, and we can't msleep in a timer.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
static void e1000e_update_phy_task(struct work_struct *work)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	struct e1000_adapter *adapter = container_of(work,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
					struct e1000_adapter, update_phy_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	e1000_get_phy_info(&adapter->hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
 * Need to wait a few seconds after link up to get diagnostic information from
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
 * the phy
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
static void e1000_update_phy_info(unsigned long data)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	schedule_work(&adapter->update_phy_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
 * e1000e_update_stats - Update the board statistics counters
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
void e1000e_update_stats(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	u16 phy_data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	 * Prevent stats update while adapter is being reset, or if the pci
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	 * connection is down.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
	if (adapter->link_speed == 0)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
	if (pci_channel_offline(pdev))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
	adapter->stats.crcerrs += er32(CRCERRS);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
	adapter->stats.gprc += er32(GPRC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
	adapter->stats.gorc += er32(GORCL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
	er32(GORCH); /* Clear gorc */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
	adapter->stats.bprc += er32(BPRC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
	adapter->stats.mprc += er32(MPRC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
	adapter->stats.roc += er32(ROC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
	adapter->stats.mpc += er32(MPC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	if ((hw->phy.type == e1000_phy_82578) ||
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	    (hw->phy.type == e1000_phy_82577)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
		e1e_rphy(hw, HV_SCC_UPPER, &phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
		if (!e1e_rphy(hw, HV_SCC_LOWER, &phy_data))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
			adapter->stats.scc += phy_data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
		e1e_rphy(hw, HV_ECOL_UPPER, &phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
		if (!e1e_rphy(hw, HV_ECOL_LOWER, &phy_data))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
			adapter->stats.ecol += phy_data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
		e1e_rphy(hw, HV_MCC_UPPER, &phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
		if (!e1e_rphy(hw, HV_MCC_LOWER, &phy_data))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
			adapter->stats.mcc += phy_data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
		e1e_rphy(hw, HV_LATECOL_UPPER, &phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
		if (!e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
			adapter->stats.latecol += phy_data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
		e1e_rphy(hw, HV_DC_UPPER, &phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		if (!e1e_rphy(hw, HV_DC_LOWER, &phy_data))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
			adapter->stats.dc += phy_data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
		adapter->stats.scc += er32(SCC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		adapter->stats.ecol += er32(ECOL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
		adapter->stats.mcc += er32(MCC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
		adapter->stats.latecol += er32(LATECOL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
		adapter->stats.dc += er32(DC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
	adapter->stats.xonrxc += er32(XONRXC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
	adapter->stats.xontxc += er32(XONTXC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
	adapter->stats.xoffrxc += er32(XOFFRXC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
	adapter->stats.xofftxc += er32(XOFFTXC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
	adapter->stats.gptc += er32(GPTC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
	adapter->stats.gotc += er32(GOTCL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
	er32(GOTCH); /* Clear gotc */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
	adapter->stats.rnbc += er32(RNBC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
	adapter->stats.ruc += er32(RUC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
	adapter->stats.mptc += er32(MPTC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
	adapter->stats.bptc += er32(BPTC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
	/* used for adaptive IFS */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
	hw->mac.tx_packet_delta = er32(TPT);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
	adapter->stats.tpt += hw->mac.tx_packet_delta;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
	if ((hw->phy.type == e1000_phy_82578) ||
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
	    (hw->phy.type == e1000_phy_82577)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
		e1e_rphy(hw, HV_COLC_UPPER, &phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
		if (!e1e_rphy(hw, HV_COLC_LOWER, &phy_data))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
			hw->mac.collision_delta = phy_data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
		hw->mac.collision_delta = er32(COLC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
	adapter->stats.colc += hw->mac.collision_delta;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
	adapter->stats.algnerrc += er32(ALGNERRC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
	adapter->stats.rxerrc += er32(RXERRC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	if ((hw->phy.type == e1000_phy_82578) ||
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
	    (hw->phy.type == e1000_phy_82577)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
		e1e_rphy(hw, HV_TNCRS_UPPER, &phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
		if (!e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
			adapter->stats.tncrs += phy_data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
		if ((hw->mac.type != e1000_82574) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
		    (hw->mac.type != e1000_82583))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
			adapter->stats.tncrs += er32(TNCRS);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
	adapter->stats.cexterr += er32(CEXTERR);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
	adapter->stats.tsctc += er32(TSCTC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	adapter->stats.tsctfc += er32(TSCTFC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	/* Fill out the OS statistics structure */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
	netdev->stats.multicast = adapter->stats.mprc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	netdev->stats.collisions = adapter->stats.colc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	/* Rx Errors */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	 * RLEC on some newer hardware can be incorrect so build
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	 * our own version based on RUC and ROC
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	netdev->stats.rx_errors = adapter->stats.rxerrc +
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
		adapter->stats.crcerrs + adapter->stats.algnerrc +
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
		adapter->stats.ruc + adapter->stats.roc +
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
		adapter->stats.cexterr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
	netdev->stats.rx_length_errors = adapter->stats.ruc +
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
					      adapter->stats.roc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
	/* Tx Errors */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
	netdev->stats.tx_errors = adapter->stats.ecol +
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
				       adapter->stats.latecol;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
	netdev->stats.tx_window_errors = adapter->stats.latecol;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
	/* Tx Dropped needs to be maintained elsewhere */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
	/* Management Stats */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
	adapter->stats.mgptc += er32(MGTPTC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
	adapter->stats.mgprc += er32(MGTPRC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
	adapter->stats.mgpdc += er32(MGTPDC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
 * e1000_phy_read_status - Update the PHY register status snapshot
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
 * @adapter: board private structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
static void e1000_phy_read_status(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
	struct e1000_phy_regs *phy = &adapter->phy_regs;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
	int ret_val;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
	if ((er32(STATUS) & E1000_STATUS_LU) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
	    (adapter->hw.phy.media_type == e1000_media_type_copper)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
		ret_val  = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
		ret_val |= e1e_rphy(hw, PHY_STATUS, &phy->bmsr);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
		ret_val |= e1e_rphy(hw, PHY_LP_ABILITY, &phy->lpa);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_EXP, &phy->expansion);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
		ret_val |= e1e_rphy(hw, PHY_1000T_CTRL, &phy->ctrl1000);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
		ret_val |= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
		ret_val |= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
		if (ret_val)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
			e_warn("Error reading PHY register\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
		 * Do not read PHY registers if link is not up
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
		 * Set values to typical power-on defaults
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
		phy->bmcr = (BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_FULLDPLX);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
		phy->bmsr = (BMSR_100FULL | BMSR_100HALF | BMSR_10FULL |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
			     BMSR_10HALF | BMSR_ESTATEN | BMSR_ANEGCAPABLE |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
			     BMSR_ERCAP);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
		phy->advertise = (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
				  ADVERTISE_ALL | ADVERTISE_CSMA);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
		phy->lpa = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
		phy->expansion = EXPANSION_ENABLENPAGE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
		phy->ctrl1000 = ADVERTISE_1000FULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
		phy->stat1000 = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
		phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
static void e1000_print_link_info(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
	u32 ctrl = er32(CTRL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
	/* Link status message must follow this format for user tools */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
	printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s, "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	       "Flow Control: %s\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	       adapter->netdev->name,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
	       adapter->link_speed,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
	       (adapter->link_duplex == FULL_DUPLEX) ?
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	                        "Full Duplex" : "Half Duplex",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
	       ((ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE)) ?
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	                        "RX/TX" :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
	       ((ctrl & E1000_CTRL_RFCE) ? "RX" :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	       ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
bool e1000e_has_link(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
	bool link_active = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
	s32 ret_val = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	 * get_link_status is set on LSC (link status) interrupt or
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
	 * Rx sequence error interrupt.  get_link_status will stay
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	 * false until the check_for_link establishes link
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
	 * for copper adapters ONLY
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
	switch (hw->phy.media_type) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	case e1000_media_type_copper:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
		if (hw->mac.get_link_status) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
			ret_val = hw->mac.ops.check_for_link(hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
			link_active = !hw->mac.get_link_status;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
			link_active = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
	case e1000_media_type_fiber:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
		ret_val = hw->mac.ops.check_for_link(hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
	case e1000_media_type_internal_serdes:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
		ret_val = hw->mac.ops.check_for_link(hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
		link_active = adapter->hw.mac.serdes_has_link;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
	default:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
	case e1000_media_type_unknown:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
		/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
		e_info("Gigabit has been disabled, downgrading speed\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
	return link_active;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
static void e1000e_enable_receives(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
	/* make sure the receive unit is started */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
	    (adapter->flags & FLAG_RX_RESTART_NOW)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
		struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
		u32 rctl = er32(RCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
		ew32(RCTL, rctl | E1000_RCTL_EN);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
		adapter->flags &= ~FLAG_RX_RESTART_NOW;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
 * e1000_watchdog - Timer Call-back
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
 * @data: pointer to adapter cast into an unsigned long
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
static void e1000_watchdog(unsigned long data)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
	/* Do the rest outside of interrupt context */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
	schedule_work(&adapter->watchdog_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
	/* TODO: make this use queue_delayed_work() */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
static void e1000_watchdog_task(struct work_struct *work)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
	struct e1000_adapter *adapter = container_of(work,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
					struct e1000_adapter, watchdog_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
	struct e1000_mac_info *mac = &adapter->hw.mac;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
	struct e1000_phy_info *phy = &adapter->hw.phy;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
	u32 link, tctl;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
	int tx_pending = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
	link = e1000e_has_link(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
	if ((adapter->ecdev && (ecdev_get_link(adapter->ecdev)) && link)
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  4038
			|| (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)) {
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
		/* Cancel scheduled suspend requests. */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
		pm_runtime_resume(netdev->dev.parent);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
		e1000e_enable_receives(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
		goto link_up;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
	    (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
		e1000_update_mng_vlan(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
	if (link) {
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  4051
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
			bool txb2b = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
			/* Cancel scheduled suspend requests. */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
			pm_runtime_resume(netdev->dev.parent);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
			/* update snapshot of PHY registers on LSC */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
			e1000_phy_read_status(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
			mac->ops.get_link_up_info(&adapter->hw,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
						   &adapter->link_speed,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
						   &adapter->link_duplex);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
			e1000_print_link_info(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
			/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
			 * On supported PHYs, check for duplex mismatch only
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
			 * if link has autonegotiated at 10/100 half
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
			 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
			if ((hw->phy.type == e1000_phy_igp_3 ||
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
			     hw->phy.type == e1000_phy_bm) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
			    (hw->mac.autoneg == true) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
			    (adapter->link_speed == SPEED_10 ||
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
			     adapter->link_speed == SPEED_100) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
			    (adapter->link_duplex == HALF_DUPLEX)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
				u16 autoneg_exp;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
				e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
				if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
					e_info("Autonegotiated half duplex but"
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
					       " link partner cannot autoneg. "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
					       " Try forcing full duplex if "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
					       "link gets many collisions.\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
			/* adjust timeout factor according to speed/duplex */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
			adapter->tx_timeout_factor = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
			switch (adapter->link_speed) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
			case SPEED_10:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
				txb2b = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
				adapter->tx_timeout_factor = 16;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
				break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
			case SPEED_100:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
				txb2b = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
				adapter->tx_timeout_factor = 10;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
				break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
			/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
			 * workaround: re-program speed mode bit after
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
			 * link-up event
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
			 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
			if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
			    !txb2b) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
				u32 tarc0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
				tarc0 = er32(TARC(0));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
				tarc0 &= ~SPEED_MODE_BIT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
				ew32(TARC(0), tarc0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
			/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
			 * disable TSO for pcie and 10/100 speeds, to avoid
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
			 * some hardware issues
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
			 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
			if (!(adapter->flags & FLAG_TSO_FORCE)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
				switch (adapter->link_speed) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
				case SPEED_10:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
				case SPEED_100:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
					e_info("10/100 speed: disabling TSO\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
					netdev->features &= ~NETIF_F_TSO;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
					netdev->features &= ~NETIF_F_TSO6;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
					break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
				case SPEED_1000:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
					netdev->features |= NETIF_F_TSO;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
					netdev->features |= NETIF_F_TSO6;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
					break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
				default:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
					/* oops */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
					break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
				}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
			/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
			 * enable transmits in the hardware, need to do this
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
			 * after setting TARC(0)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
			 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
			tctl = er32(TCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
			tctl |= E1000_TCTL_EN;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
			ew32(TCTL, tctl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
                        /*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
			 * Perform any post-link-up configuration before
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
			 * reporting link up.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
			 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
			if (phy->ops.cfg_on_link_up)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
				phy->ops.cfg_on_link_up(hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
			if (adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
				ecdev_set_link(adapter->ecdev, 1);
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  4149
			else
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
				netif_carrier_on(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
			if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
				mod_timer(&adapter->phy_info_timer,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
					  round_jiffies(jiffies + 2 * HZ));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
	} else {
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  4157
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
			adapter->link_speed = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
			adapter->link_duplex = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
			/* Link status message must follow this format */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
			printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
			       adapter->netdev->name);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
			if (adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
				ecdev_set_link(adapter->ecdev, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
			else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
				netif_carrier_off(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
			if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
				mod_timer(&adapter->phy_info_timer,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
					  round_jiffies(jiffies + 2 * HZ));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
			if (adapter->flags & FLAG_RX_NEEDS_RESTART)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
				schedule_work(&adapter->reset_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
			else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
				pm_schedule_suspend(netdev->dev.parent,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
							LINK_TIMEOUT);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
link_up:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
	e1000e_update_stats(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
	mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
	adapter->tpt_old = adapter->stats.tpt;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
	mac->collision_delta = adapter->stats.colc - adapter->colc_old;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
	adapter->colc_old = adapter->stats.colc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
	adapter->gorc_old = adapter->stats.gorc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
	adapter->gotc_old = adapter->stats.gotc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
	e1000e_update_adaptive(&adapter->hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  4195
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
		tx_pending = (e1000_desc_unused(tx_ring) + 1 <
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
			       tx_ring->count);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
		if (tx_pending) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
			/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
			 * We've lost link, so the controller stops DMA,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
			 * but we've got queued Tx work that's never going
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
			 * to get done, so reset controller to flush Tx.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
			 * (Do the reset outside of interrupt context).
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
			 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
			adapter->tx_timeout_count++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
			schedule_work(&adapter->reset_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
			/* return immediately since reset is imminent */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
			return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	/* Simple mode for Interrupt Throttle Rate (ITR) */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
	if (adapter->itr_setting == 4) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
		 * Symmetric Tx/Rx gets a reduced ITR=2000;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
		 * Total asymmetrical Tx or Rx gets ITR=8000;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
		 * everyone else is between 2000-8000.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
		u32 goc = (adapter->gotc + adapter->gorc) / 10000;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
		u32 dif = (adapter->gotc > adapter->gorc ?
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
			    adapter->gotc - adapter->gorc :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
			    adapter->gorc - adapter->gotc) / 10000;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
		ew32(ITR, 1000000000 / (itr * 256));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
	/* Cause software interrupt to ensure Rx ring is cleaned */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
	if (adapter->msix_entries)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
		ew32(ICS, adapter->rx_ring->ims_val);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
		ew32(ICS, E1000_ICS_RXDMT0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
	/* Force detection of hung controller every watchdog period */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
	adapter->detect_tx_hung = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
	 * With 82571 controllers, LAA may be overwritten due to controller
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
	 * reset from the other port. Set the appropriate LAA in RAR[0]
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
	if (e1000e_get_laa_state_82571(hw))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
		e1000e_rar_set(hw, adapter->hw.mac.addr, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
	/* Reset the timer */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
	if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
		mod_timer(&adapter->watchdog_timer,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
			  round_jiffies(jiffies + 2 * HZ));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
#define E1000_TX_FLAGS_CSUM		0x00000001
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
#define E1000_TX_FLAGS_VLAN		0x00000002
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
#define E1000_TX_FLAGS_TSO		0x00000004
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
#define E1000_TX_FLAGS_IPV4		0x00000008
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
#define E1000_TX_FLAGS_VLAN_SHIFT	16
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
static int e1000_tso(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
		     struct sk_buff *skb)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
	struct e1000_context_desc *context_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
	struct e1000_buffer *buffer_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
	unsigned int i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
	u32 cmd_length = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
	u16 ipcse = 0, tucse, mss;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
	int err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
	if (!skb_is_gso(skb))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
		return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
	if (skb_header_cloned(skb)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
		err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
		if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
			return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
	mss = skb_shinfo(skb)->gso_size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
	if (skb->protocol == htons(ETH_P_IP)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
		struct iphdr *iph = ip_hdr(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
		iph->tot_len = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
		iph->check = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
		tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
		                                         0, IPPROTO_TCP, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
		cmd_length = E1000_TXD_CMD_IP;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
		ipcse = skb_transport_offset(skb) - 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
	} else if (skb_is_gso_v6(skb)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
		ipv6_hdr(skb)->payload_len = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
		                                       &ipv6_hdr(skb)->daddr,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
		                                       0, IPPROTO_TCP, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
		ipcse = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
	ipcss = skb_network_offset(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
	ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
	tucss = skb_transport_offset(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
	tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
	tucse = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
	cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
	               E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
	i = tx_ring->next_to_use;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
	buffer_info = &tx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
	context_desc->lower_setup.ip_fields.ipcss  = ipcss;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
	context_desc->lower_setup.ip_fields.ipcso  = ipcso;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
	context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	context_desc->upper_setup.tcp_fields.tucss = tucss;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
	context_desc->upper_setup.tcp_fields.tucso = tucso;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
	context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
	buffer_info->time_stamp = jiffies;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
	buffer_info->next_to_watch = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
	i++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
	if (i == tx_ring->count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
		i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
	tx_ring->next_to_use = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
	return 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
	struct e1000_context_desc *context_desc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
	struct e1000_buffer *buffer_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
	unsigned int i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
	u8 css;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
	u32 cmd_len = E1000_TXD_CMD_DEXT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
	__be16 protocol;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
	if (skb->ip_summed != CHECKSUM_PARTIAL)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
		return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
		protocol = skb->protocol;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
	switch (protocol) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
	case cpu_to_be16(ETH_P_IP):
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
			cmd_len |= E1000_TXD_CMD_TCP;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
	case cpu_to_be16(ETH_P_IPV6):
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
		/* XXX not handling all IPV6 headers */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
			cmd_len |= E1000_TXD_CMD_TCP;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
	default:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
		if (unlikely(net_ratelimit()))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
			e_warn("checksum_partial proto=%x!\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
			       be16_to_cpu(protocol));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
	css = skb_transport_offset(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
	i = tx_ring->next_to_use;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
	buffer_info = &tx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
	context_desc->lower_setup.ip_config = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
	context_desc->upper_setup.tcp_fields.tucss = css;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
	context_desc->upper_setup.tcp_fields.tucso =
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
				css + skb->csum_offset;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
	context_desc->upper_setup.tcp_fields.tucse = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
	context_desc->tcp_seg_setup.data = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
	buffer_info->time_stamp = jiffies;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
	buffer_info->next_to_watch = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
	i++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
	if (i == tx_ring->count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
		i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
	tx_ring->next_to_use = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
	return 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
#define E1000_MAX_PER_TXD	8192
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
#define E1000_MAX_TXD_PWR	12
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
static int e1000_tx_map(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
			struct sk_buff *skb, unsigned int first,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
			unsigned int max_per_txd, unsigned int nr_frags,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
			unsigned int mss)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
	struct pci_dev *pdev = adapter->pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	struct e1000_buffer *buffer_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
	unsigned int len = skb_headlen(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
	unsigned int offset = 0, size, count = 0, i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
	unsigned int f, bytecount, segs;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
	i = tx_ring->next_to_use;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
	while (len) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
		buffer_info = &tx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
		size = min(len, max_per_txd);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
		buffer_info->length = size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
		buffer_info->time_stamp = jiffies;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
		buffer_info->next_to_watch = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
		buffer_info->dma = dma_map_single(&pdev->dev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
						  skb->data + offset,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
						  size,	DMA_TO_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
		buffer_info->mapped_as_page = false;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
			goto dma_error;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
		len -= size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
		offset += size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
		count++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
		if (len) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
			i++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
			if (i == tx_ring->count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
				i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
	for (f = 0; f < nr_frags; f++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		struct skb_frag_struct *frag;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
		frag = &skb_shinfo(skb)->frags[f];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
		len = frag->size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
		offset = frag->page_offset;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
		while (len) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
			i++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
			if (i == tx_ring->count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
				i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
			buffer_info = &tx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
			size = min(len, max_per_txd);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
			buffer_info->length = size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
			buffer_info->time_stamp = jiffies;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
			buffer_info->next_to_watch = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
			buffer_info->dma = dma_map_page(&pdev->dev, frag->page,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
							offset, size,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
							DMA_TO_DEVICE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
			buffer_info->mapped_as_page = true;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
				goto dma_error;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
			len -= size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
			offset += size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
			count++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
	segs = skb_shinfo(skb)->gso_segs ?: 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
	/* multiply data chunks by size of headers */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
	bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
	tx_ring->buffer_info[i].skb = skb;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
	tx_ring->buffer_info[i].segs = segs;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
	tx_ring->buffer_info[i].bytecount = bytecount;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
	tx_ring->buffer_info[first].next_to_watch = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
	return count;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
dma_error:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
	dev_err(&pdev->dev, "TX DMA map failed\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
	buffer_info->dma = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
	if (count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
		count--;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
	while (count--) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
		if (i==0)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
			i += tx_ring->count;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
		i--;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
		buffer_info = &tx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
		e1000_put_txbuf(adapter, buffer_info);;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
static void e1000_tx_queue(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
			   int tx_flags, int count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
	struct e1000_tx_desc *tx_desc = NULL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
	struct e1000_buffer *buffer_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
	unsigned int i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	if (tx_flags & E1000_TX_FLAGS_TSO) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
			     E1000_TXD_CMD_TSE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
		if (tx_flags & E1000_TX_FLAGS_IPV4)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
	if (tx_flags & E1000_TX_FLAGS_CSUM) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	if (tx_flags & E1000_TX_FLAGS_VLAN) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
		txd_lower |= E1000_TXD_CMD_VLE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
	i = tx_ring->next_to_use;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
	while (count--) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
		buffer_info = &tx_ring->buffer_info[i];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
		tx_desc = E1000_TX_DESC(*tx_ring, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
		tx_desc->lower.data =
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
			cpu_to_le32(txd_lower | buffer_info->length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
		tx_desc->upper.data = cpu_to_le32(txd_upper);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
		i++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
		if (i == tx_ring->count)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
			i = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	 * Force memory writes to complete before letting h/w
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
	 * know there are new descriptors to fetch.  (Only
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
	 * applicable for weak-ordered memory model archs,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
	 * such as IA-64).
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
	wmb();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
	tx_ring->next_to_use = i;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	writel(i, adapter->hw.hw_addr + tx_ring->tail);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
	 * we need this if more than one processor can write to our tail
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
	 * at a time, it synchronizes IO on IA64/Altix systems
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
	mmiowb();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
#define MINIMUM_DHCP_PACKET_SIZE 282
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
				    struct sk_buff *skb)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
	struct e1000_hw *hw =  &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
	u16 length, offset;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	if (vlan_tx_tag_present(skb)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
		    (adapter->hw.mng_cookie.status &
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
			return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
		return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
	if (((struct ethhdr *) skb->data)->h_proto != htons(ETH_P_IP))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
		return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
		const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
		struct udphdr *udp;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
		if (ip->protocol != IPPROTO_UDP)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
			return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
		udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
		if (ntohs(udp->dest) != 67)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
			return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
		offset = (u8 *)udp + 8 - skb->data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
		length = skb->len - offset;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
		return e1000e_mng_write_dhcp_info(hw, (u8 *)udp + 8, length);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  4595
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  4596
		return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  4597
	}
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  4598
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
	netif_stop_queue(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	 * Herbert's original patch had:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
	 *  smp_mb__after_netif_stop_queue();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	 * but since that doesn't exist yet, just open code it.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	smp_mb();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
	 * We need to check again in a case another CPU has just
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
	 * made room available.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
	if (e1000_desc_unused(adapter->tx_ring) < size)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
		return -EBUSY;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
	/* A reprieve! */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
	netif_start_queue(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
	++adapter->restart_queue;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
static int e1000_maybe_stop_tx(struct net_device *netdev, int size)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
	if (e1000_desc_unused(adapter->tx_ring) >= size)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
		return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
	return __e1000_maybe_stop_tx(netdev, size);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
				    struct net_device *netdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
	struct e1000_ring *tx_ring = adapter->tx_ring;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
	unsigned int first;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
	unsigned int max_per_txd = E1000_MAX_PER_TXD;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
	unsigned int tx_flags = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	unsigned int len = skb_headlen(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
	unsigned int nr_frags;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
	unsigned int mss;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
	int count = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
	int tso;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
	unsigned int f;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
	if (test_bit(__E1000_DOWN, &adapter->state)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
		if (!adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
			dev_kfree_skb_any(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
		return NETDEV_TX_OK;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
	if (skb->len <= 0) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
		if (!adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
			dev_kfree_skb_any(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
		return NETDEV_TX_OK;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
	mss = skb_shinfo(skb)->gso_size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
	 * The controller does a simple calculation to
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
	 * make sure there is enough room in the FIFO before
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
	 * initiating the DMA for each buffer.  The calc is:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	 * 4 = ceil(buffer len/mss).  To make sure we don't
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
	 * overrun the FIFO, adjust the max buffer len if mss
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
	 * drops.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
	if (mss) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
		u8 hdr_len;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
		max_per_txd = min(mss << 2, max_per_txd);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
		max_txd_pwr = fls(max_per_txd) - 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
		 * TSO Workaround for 82571/2/3 Controllers -- if skb->data
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
		 * points to just header, pull a few bytes of payload from
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
		 * frags into skb->data
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
		/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
		 * we do this workaround for ES2LAN, but it is un-necessary,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
		 * avoiding it could save a lot of cycles
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
		 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
		if (skb->data_len && (hdr_len == len)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
			unsigned int pull_size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
			pull_size = min((unsigned int)4, skb->data_len);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
			if (!__pskb_pull_tail(skb, pull_size)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
				e_err("__pskb_pull_tail failed.\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
				if (!adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
					dev_kfree_skb_any(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
				return NETDEV_TX_OK;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
			len = skb_headlen(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
	/* reserve a descriptor for the offload context */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
		count++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
	count++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	count += TXD_USE_COUNT(len, max_txd_pwr);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
	nr_frags = skb_shinfo(skb)->nr_frags;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
	for (f = 0; f < nr_frags; f++)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
				       max_txd_pwr);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
	if (adapter->hw.mac.tx_pkt_filtering)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
		e1000_transfer_dhcp_info(adapter, skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
	 * need: count + 2 desc gap to keep tail from touching
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
	 * head, otherwise try next time
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
	if (!adapter->ecdev && e1000_maybe_stop_tx(netdev, count + 2))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
		return NETDEV_TX_BUSY;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
	if (adapter->vlgrp && vlan_tx_tag_present(skb)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
		tx_flags |= E1000_TX_FLAGS_VLAN;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
	first = tx_ring->next_to_use;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
	tso = e1000_tso(adapter, skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
	if (tso < 0) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
		if (!adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
			dev_kfree_skb_any(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
		return NETDEV_TX_OK;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
	if (tso)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
		tx_flags |= E1000_TX_FLAGS_TSO;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
	else if (e1000_tx_csum(adapter, skb))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
		tx_flags |= E1000_TX_FLAGS_CSUM;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
	 * Old method was to assume IPv4 packet by default if TSO was enabled.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	 * no longer assume, we must.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	if (skb->protocol == htons(ETH_P_IP))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
		tx_flags |= E1000_TX_FLAGS_IPV4;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	/* if count is 0 then mapping error has occured */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
	count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
	if (count) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
		e1000_tx_queue(adapter, tx_flags, count);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
		/* Make sure there is space in the ring for the next send. */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
		if (!adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
			e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
		if (!adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
			dev_kfree_skb_any(skb);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
		tx_ring->buffer_info[first].time_stamp = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
		tx_ring->next_to_use = first;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
	return NETDEV_TX_OK;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
 * e1000_tx_timeout - Respond to a Tx Hang
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
 * @netdev: network interface device structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
static void e1000_tx_timeout(struct net_device *netdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
	/* Do the reset outside of interrupt context */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	adapter->tx_timeout_count++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	schedule_work(&adapter->reset_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
static void e1000_reset_task(struct work_struct *work)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
	struct e1000_adapter *adapter;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	adapter = container_of(work, struct e1000_adapter, reset_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	e1000e_dump(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
	e_err("Reset adapter\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
	e1000e_reinit_locked(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
 * e1000_get_stats - Get System Network Statistics
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
 * @netdev: network interface device structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
 * Returns the address of the device statistics structure.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
 * The statistics are actually updated from the timer callback.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	/* only return the current stats */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	return &netdev->stats;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
 * e1000_change_mtu - Change the Maximum Transfer Unit
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
 * @netdev: network interface device structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
 * @new_mtu: new value for maximum frame size
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
 * Returns 0 on success, negative on failure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
	if (adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
		return -EBUSY;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
	/* Jumbo frame support */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
	if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
	    !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
		e_err("Jumbo Frames not supported.\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
		return -EINVAL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
	/* Supported frame sizes */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
	    (max_frame > adapter->max_hw_frame_size)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
		e_err("Unsupported MTU setting\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
		return -EINVAL;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
	/* 82573 Errata 17 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	if (((adapter->hw.mac.type == e1000_82573) ||
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
	     (adapter->hw.mac.type == e1000_82574)) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
	    (max_frame > ETH_FRAME_LEN + ETH_FCS_LEN)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
		adapter->flags2 |= FLAG2_DISABLE_ASPM_L1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
		e1000e_disable_aspm(adapter->pdev, PCIE_LINK_STATE_L1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
		msleep(1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
	/* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
	adapter->max_frame_size = max_frame;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
	e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
	netdev->mtu = new_mtu;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
	if (netif_running(netdev))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
		e1000e_down(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
	 * NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
	 * means we reserve 2 more, this pushes us to allocate from the next
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
	 * larger slab size.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	 * i.e. RXBUFFER_2048 --> size-4096 slab
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
	 * However with the new *_jumbo_rx* routines, jumbo receives will use
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
	 * fragmented skbs
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
	if (max_frame <= 2048)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
		adapter->rx_buffer_len = 2048;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
		adapter->rx_buffer_len = 4096;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
	/* adjust allocation if LPE protects us, and we aren't using SBP */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
	     (max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
		adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
					 + ETH_FCS_LEN;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
	if (netif_running(netdev))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
		e1000e_up(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
	else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
		e1000e_reset(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
	clear_bit(__E1000_RESETTING, &adapter->state);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
			   int cmd)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
	struct mii_ioctl_data *data = if_mii(ifr);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
		return -EOPNOTSUPP;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
	switch (cmd) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
	case SIOCGMIIPHY:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
		data->phy_id = adapter->hw.phy.addr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
	case SIOCGMIIREG:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
		e1000_phy_read_status(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
		switch (data->reg_num & 0x1F) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
		case MII_BMCR:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
			data->val_out = adapter->phy_regs.bmcr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
		case MII_BMSR:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
			data->val_out = adapter->phy_regs.bmsr;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
		case MII_PHYSID1:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
			data->val_out = (adapter->hw.phy.id >> 16);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
		case MII_PHYSID2:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
			data->val_out = (adapter->hw.phy.id & 0xFFFF);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
		case MII_ADVERTISE:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
			data->val_out = adapter->phy_regs.advertise;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
		case MII_LPA:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
			data->val_out = adapter->phy_regs.lpa;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
		case MII_EXPANSION:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
			data->val_out = adapter->phy_regs.expansion;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
		case MII_CTRL1000:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
			data->val_out = adapter->phy_regs.ctrl1000;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
		case MII_STAT1000:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
			data->val_out = adapter->phy_regs.stat1000;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
		case MII_ESTATUS:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
			data->val_out = adapter->phy_regs.estatus;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
		default:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
			return -EIO;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
		break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
	case SIOCSMIIREG:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
	default:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
		return -EOPNOTSUPP;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
	switch (cmd) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
	case SIOCGMIIPHY:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	case SIOCGMIIREG:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
	case SIOCSMIIREG:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
		return e1000_mii_ioctl(netdev, ifr, cmd);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
	default:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
		return -EOPNOTSUPP;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
	u32 i, mac_reg;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
	u16 phy_reg;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
	int retval = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
	/* copy MAC RARs to PHY RARs */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
	for (i = 0; i < adapter->hw.mac.rar_entry_count; i++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
		mac_reg = er32(RAL(i));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
		e1e_wphy(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
		e1e_wphy(hw, BM_RAR_M(i), (u16)((mac_reg >> 16) & 0xFFFF));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
		mac_reg = er32(RAH(i));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
		e1e_wphy(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
		e1e_wphy(hw, BM_RAR_CTRL(i), (u16)((mac_reg >> 16) & 0xFFFF));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
	/* copy MAC MTA to PHY MTA */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
		mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
		e1e_wphy(hw, BM_MTA(i), (u16)(mac_reg & 0xFFFF));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
		e1e_wphy(hw, BM_MTA(i) + 1, (u16)((mac_reg >> 16) & 0xFFFF));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
	/* configure PHY Rx Control register */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
	e1e_rphy(&adapter->hw, BM_RCTL, &phy_reg);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
	mac_reg = er32(RCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
	if (mac_reg & E1000_RCTL_UPE)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
		phy_reg |= BM_RCTL_UPE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
	if (mac_reg & E1000_RCTL_MPE)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
		phy_reg |= BM_RCTL_MPE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
	phy_reg &= ~(BM_RCTL_MO_MASK);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
	if (mac_reg & E1000_RCTL_MO_3)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
		phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
				<< BM_RCTL_MO_SHIFT);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
	if (mac_reg & E1000_RCTL_BAM)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
		phy_reg |= BM_RCTL_BAM;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
	if (mac_reg & E1000_RCTL_PMCF)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
		phy_reg |= BM_RCTL_PMCF;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
	mac_reg = er32(CTRL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
	if (mac_reg & E1000_CTRL_RFCE)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
		phy_reg |= BM_RCTL_RFCE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
	e1e_wphy(&adapter->hw, BM_RCTL, phy_reg);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	/* enable PHY wakeup in MAC register */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
	ew32(WUFC, wufc);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
	ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
	/* configure and enable PHY wakeup in PHY registers */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
	e1e_wphy(&adapter->hw, BM_WUFC, wufc);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
	e1e_wphy(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
	/* activate PHY wakeup */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
	retval = hw->phy.ops.acquire(hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
	if (retval) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
		e_err("Could not acquire PHY\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
		return retval;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
	e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
	                         (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
	retval = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
	if (retval) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
		e_err("Could not read PHY page 769\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
		goto out;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
	phy_reg |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
	retval = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
	if (retval)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
		e_err("Could not set PHY Host Wakeup bit\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
out:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
	hw->phy.ops.release(hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
	return retval;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
			    bool runtime)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
	struct net_device *netdev = pci_get_drvdata(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
	u32 ctrl, ctrl_ext, rctl, status;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	/* Runtime suspend should only enable wakeup for link changes */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
	u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
	int retval = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
	netif_device_detach(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
	if (netif_running(netdev)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
		e1000e_down(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
		e1000_free_irq(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	e1000e_reset_interrupt_capability(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	retval = pci_save_state(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
	if (retval)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
		return retval;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
	status = er32(STATUS);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
	if (status & E1000_STATUS_LU)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
		wufc &= ~E1000_WUFC_LNKC;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
	if (wufc) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
		e1000_setup_rctl(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
		e1000_set_multi(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
		/* turn on all-multi mode if wake on multicast is enabled */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
		if (wufc & E1000_WUFC_MC) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
			rctl = er32(RCTL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
			rctl |= E1000_RCTL_MPE;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
			ew32(RCTL, rctl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
		ctrl = er32(CTRL);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
		/* advertise wake from D3Cold */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
		#define E1000_CTRL_ADVD3WUC 0x00100000
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
		/* phy power management enable */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
		#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
		ctrl |= E1000_CTRL_ADVD3WUC;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
		if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
			ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
		ew32(CTRL, ctrl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
		if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
		    adapter->hw.phy.media_type ==
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
		    e1000_media_type_internal_serdes) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
			/* keep the laser running in D3 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
			ctrl_ext = er32(CTRL_EXT);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
			ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
			ew32(CTRL_EXT, ctrl_ext);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
		if (adapter->flags & FLAG_IS_ICH)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
			e1000e_disable_gig_wol_ich8lan(&adapter->hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
		/* Allow time for pending master requests to run */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
		e1000e_disable_pcie_master(&adapter->hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
		if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
			/* enable wakeup by the PHY */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
			retval = e1000_init_phy_wakeup(adapter, wufc);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
			if (retval)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
				return retval;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
		} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
			/* enable wakeup by the MAC */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
			ew32(WUFC, wufc);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
			ew32(WUC, E1000_WUC_PME_EN);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
		ew32(WUC, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
		ew32(WUFC, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
	*enable_wake = !!wufc;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
	/* make sure adapter isn't asleep if manageability is enabled */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
	if ((adapter->flags & FLAG_MNG_PT_ENABLED) ||
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
	    (hw->mac.ops.check_mng_mode(hw)))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
		*enable_wake = true;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
	if (adapter->hw.phy.type == e1000_phy_igp_3)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
	 * would have already happened in close and is redundant.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
	e1000_release_hw_control(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
	pci_disable_device(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
static void e1000_power_off(struct pci_dev *pdev, bool sleep, bool wake)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
	if (sleep && wake) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
		pci_prepare_to_sleep(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
	pci_wake_from_d3(pdev, wake);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
	pci_set_power_state(pdev, PCI_D3hot);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
                                    bool wake)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
	struct net_device *netdev = pci_get_drvdata(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
	 * The pci-e switch on some quad port adapters will report a
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
	 * correctable error when the MAC transitions from D0 to D3.  To
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
	 * prevent this we need to mask off the correctable errors on the
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
	 * downstream port of the pci-e switch.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
	if (adapter->flags & FLAG_IS_QUAD_PORT) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
		struct pci_dev *us_dev = pdev->bus->self;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
		int pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
		u16 devctl;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
		pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
		                      (devctl & ~PCI_EXP_DEVCTL_CERE));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
		e1000_power_off(pdev, sleep, wake);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL, devctl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
		e1000_power_off(pdev, sleep, wake);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
#ifdef CONFIG_PCIEASPM
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
	pci_disable_link_state(pdev, state);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
#else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
	int pos;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
	u16 reg16;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
	 * Both device and parent should have the same ASPM setting.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
	 * Disable ASPM in downstream component first and then upstream.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
	pos = pci_pcie_cap(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
	pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &reg16);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
	reg16 &= ~state;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
	pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
	if (!pdev->bus->self)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
	pos = pci_pcie_cap(pdev->bus->self);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
	pci_read_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, &reg16);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
	reg16 &= ~state;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
	pci_write_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, reg16);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
#endif
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
	dev_info(&pdev->dev, "Disabling ASPM %s %s\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
		 (state & PCIE_LINK_STATE_L0S) ? "L0s" : "",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
		 (state & PCIE_LINK_STATE_L1) ? "L1" : "");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
	__e1000e_disable_aspm(pdev, state);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
#ifdef CONFIG_PM_OPS
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
static bool e1000e_pm_ready(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
	return !!adapter->tx_ring->buffer_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
static int __e1000_resume(struct pci_dev *pdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
	struct net_device *netdev = pci_get_drvdata(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
	u32 err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
	if (adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
		return -EBUSY;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
	pci_set_power_state(pdev, PCI_D0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
	pci_restore_state(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
	pci_save_state(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
	e1000e_set_interrupt_capability(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
	if (netif_running(netdev)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
		err = e1000_request_irq(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
		if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
			return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
	e1000e_power_up_phy(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
	/* report the system wakeup cause from S3/S4 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
		u16 phy_data;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
		e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
		if (phy_data) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
			e_info("PHY Wakeup cause - %s\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
				phy_data & E1000_WUS_EX ? "Unicast Packet" :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
				phy_data & E1000_WUS_MC ? "Multicast Packet" :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
				phy_data & E1000_WUS_BC ? "Broadcast Packet" :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
				phy_data & E1000_WUS_MAG ? "Magic Packet" :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
				phy_data & E1000_WUS_LNKC ? "Link Status "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
				" Change" : "other");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
		e1e_wphy(&adapter->hw, BM_WUS, ~0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
		u32 wus = er32(WUS);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
		if (wus) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
			e_info("MAC Wakeup cause - %s\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
				wus & E1000_WUS_EX ? "Unicast Packet" :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
				wus & E1000_WUS_MC ? "Multicast Packet" :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
				wus & E1000_WUS_BC ? "Broadcast Packet" :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
				wus & E1000_WUS_MAG ? "Magic Packet" :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
				wus & E1000_WUS_LNKC ? "Link Status Change" :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
				"other");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
		ew32(WUS, ~0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
	e1000e_reset(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
	e1000_init_manageability_pt(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
	if (netif_running(netdev))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
		e1000e_up(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
	netif_device_attach(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
	 * If the controller has AMT, do not set DRV_LOAD until the interface
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
	 * is up.  For all other cases, let the f/w know that the h/w is now
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
	 * under the control of the driver.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
	if (!(adapter->flags & FLAG_HAS_AMT))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
		e1000_get_hw_control(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
#ifdef CONFIG_PM_SLEEP
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
static int e1000_suspend(struct device *dev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
	struct pci_dev *pdev = to_pci_dev(dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
	int retval;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
	bool wake;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
	struct net_device *netdev = pci_get_drvdata(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  5287
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  5288
		return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  5289
	}
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
	retval = __e1000_shutdown(pdev, &wake, false);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
	if (!retval)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
		e1000_complete_shutdown(pdev, true, wake);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
	return retval;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
static int e1000_resume(struct device *dev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
	struct pci_dev *pdev = to_pci_dev(dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
	struct net_device *netdev = pci_get_drvdata(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  5304
	if (adapter->ecdev) {
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  5305
		return -EBUSY;
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  5306
	}
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
	if (e1000e_pm_ready(adapter))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
		adapter->idle_check = true;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
	return __e1000_resume(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
#endif /* CONFIG_PM_SLEEP */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
#ifdef CONFIG_PM_RUNTIME
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
static int e1000_runtime_suspend(struct device *dev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
	struct pci_dev *pdev = to_pci_dev(dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
	struct net_device *netdev = pci_get_drvdata(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
	if (e1000e_pm_ready(adapter)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
		bool wake;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
		__e1000_shutdown(pdev, &wake, true);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
static int e1000_idle(struct device *dev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
	struct pci_dev *pdev = to_pci_dev(dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
	struct net_device *netdev = pci_get_drvdata(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
	if (!e1000e_pm_ready(adapter))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
		return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
	if (adapter->idle_check) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
		adapter->idle_check = false;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
		if (!e1000e_has_link(adapter))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
			pm_schedule_suspend(dev, MSEC_PER_SEC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
	return -EBUSY;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
static int e1000_runtime_resume(struct device *dev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
	struct pci_dev *pdev = to_pci_dev(dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
	struct net_device *netdev = pci_get_drvdata(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
	if (!e1000e_pm_ready(adapter))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
		return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
	adapter->idle_check = !dev->power.runtime_auto;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
	return __e1000_resume(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
#endif /* CONFIG_PM_RUNTIME */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
#endif /* CONFIG_PM_OPS */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
static void e1000_shutdown(struct pci_dev *pdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
	bool wake = false;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
	struct net_device *netdev = pci_get_drvdata(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
	struct e1000_adapter *adapter = netdev_priv(netdev);
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  5369
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
	if (adapter->ecdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
	__e1000_shutdown(pdev, &wake, false);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
	if (system_state == SYSTEM_POWER_OFF)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
		e1000_complete_shutdown(pdev, false, wake);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
#ifdef CONFIG_NET_POLL_CONTROLLER
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
 * Polling 'interrupt' - used by things like netconsole to send skbs
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
 * without having to re-enable interrupts. It's not called while
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
 * the interrupt routine is executing.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
static void e1000_netpoll(struct net_device *netdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
	disable_irq(adapter->pdev->irq);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
	e1000_intr(adapter->pdev->irq, netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
	enable_irq(adapter->pdev->irq);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
#endif
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
 * e1000_io_error_detected - called when PCI error is detected
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
 * @pdev: Pointer to PCI device
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
 * @state: The current pci connection state
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
 * This function is called after a PCI bus error affecting
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
 * this device has been detected.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
						pci_channel_state_t state)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
	struct net_device *netdev = pci_get_drvdata(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
	netif_device_detach(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
	if (state == pci_channel_io_perm_failure)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
		return PCI_ERS_RESULT_DISCONNECT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
	if (netif_running(netdev))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
		e1000e_down(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
	pci_disable_device(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
	/* Request a slot slot reset. */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
	return PCI_ERS_RESULT_NEED_RESET;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
 * e1000_io_slot_reset - called after the pci bus has been reset.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
 * @pdev: Pointer to PCI device
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
 * Restart the card from scratch, as if from a cold-boot. Implementation
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
 * resembles the first-half of the e1000_resume routine.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
	struct net_device *netdev = pci_get_drvdata(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
	int err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
	pci_ers_result_t result;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
	err = pci_enable_device_mem(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
	if (err) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
		dev_err(&pdev->dev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
			"Cannot re-enable PCI device after reset.\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
		result = PCI_ERS_RESULT_DISCONNECT;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
		pci_set_master(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
		pdev->state_saved = true;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
		pci_restore_state(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
		pci_enable_wake(pdev, PCI_D3hot, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
		pci_enable_wake(pdev, PCI_D3cold, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
		e1000e_reset(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
		ew32(WUS, ~0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
		result = PCI_ERS_RESULT_RECOVERED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
	pci_cleanup_aer_uncorrect_error_status(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
	return result;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
 * e1000_io_resume - called when traffic can start flowing again.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
 * @pdev: Pointer to PCI device
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
 * This callback is called when the error recovery driver tells us that
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
 * its OK to resume normal operation. Implementation resembles the
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
 * second-half of the e1000_resume routine.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
static void e1000_io_resume(struct pci_dev *pdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
	struct net_device *netdev = pci_get_drvdata(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
	e1000_init_manageability_pt(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
	if (netif_running(netdev)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
		if (e1000e_up(adapter)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
			dev_err(&pdev->dev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
				"can't bring device back up after reset\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
			return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
	netif_device_attach(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
	 * If the controller has AMT, do not set DRV_LOAD until the interface
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
	 * is up.  For all other cases, let the f/w know that the h/w is now
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
	 * under the control of the driver.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
	if (!(adapter->flags & FLAG_HAS_AMT))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
		e1000_get_hw_control(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
static void e1000_print_device_info(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
	struct net_device *netdev = adapter->netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
	u32 pba_num;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
	/* print bus type/speed/width info */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
	e_info("(PCI Express:2.5GB/s:%s) %pM\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
	       /* bus width */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
	       ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
	        "Width x1"),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
	       /* MAC address */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
	       netdev->dev_addr);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
	e_info("Intel(R) PRO/%s Network Connection\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
	       (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
	e1000e_read_pba_num(hw, &pba_num);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
	e_info("MAC: %d, PHY: %d, PBA No: %06x-%03x\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
	       hw->mac.type, hw->phy.type, (pba_num >> 8), (pba_num & 0xff));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
static void e1000_eeprom_checks(struct e1000_adapter *adapter)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
	struct e1000_hw *hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
	int ret_val;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
	u16 buf = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
	if (hw->mac.type != e1000_82573)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
		return;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
	if (!ret_val && (!(le16_to_cpu(buf) & (1 << 0)))) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
		/* Deep Smart Power Down (DSPD) */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
		dev_warn(&adapter->pdev->dev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
			 "Warning: detected DSPD enabled in EEPROM\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
static const struct net_device_ops e1000e_netdev_ops = {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
	.ndo_open		= e1000_open,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
	.ndo_stop		= e1000_close,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
	.ndo_start_xmit		= e1000_xmit_frame,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
	.ndo_get_stats		= e1000_get_stats,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
	.ndo_set_multicast_list	= e1000_set_multi,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
	.ndo_set_mac_address	= e1000_set_mac,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
	.ndo_change_mtu		= e1000_change_mtu,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
	.ndo_do_ioctl		= e1000_ioctl,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
	.ndo_tx_timeout		= e1000_tx_timeout,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
	.ndo_validate_addr	= eth_validate_addr,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
#ifdef CONFIG_NET_POLL_CONTROLLER
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
	.ndo_poll_controller	= e1000_netpoll,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
#endif
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
};
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
 * ec_poll - Ethercat poll Routine
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
 * @netdev: net device structure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
 * This function can never fail.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
void ec_poll(struct net_device *netdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
		e1000_watchdog((unsigned long) adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
		adapter->ec_watchdog_jiffies = jiffies;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
#ifdef CONFIG_PCI_MSI
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
	e1000_intr_msi(0,netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
#else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
	e1000_intr(0,netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
#endif
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
 * e1000_probe - Device Initialization Routine
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
 * @pdev: PCI device information struct
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
 * @ent: entry in e1000_pci_tbl
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
 * Returns 0 on success, negative on failure
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
 * e1000_probe initializes an adapter identified by a pci_dev structure.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
 * The OS initialization, configuring of the adapter private structure,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
 * and a hardware reset occur.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
static int __devinit e1000_probe(struct pci_dev *pdev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
				 const struct pci_device_id *ent)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
	struct net_device *netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
	struct e1000_adapter *adapter;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
	struct e1000_hw *hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
	resource_size_t mmio_start, mmio_len;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
	resource_size_t flash_start, flash_len;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
	static int cards_found;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
	int i, err, pci_using_dac;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
	u16 eeprom_data = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
	if (ei->flags2 & FLAG2_DISABLE_ASPM_L1)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
	err = pci_enable_device_mem(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
		return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
	pci_using_dac = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
	err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
	if (!err) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
		err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
		if (!err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
			pci_using_dac = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
		if (err) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
			err = dma_set_coherent_mask(&pdev->dev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
						    DMA_BIT_MASK(32));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
			if (err) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
				dev_err(&pdev->dev, "No usable DMA "
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
					"configuration, aborting\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
				goto err_dma;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
			}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
	err = pci_request_selected_regions_exclusive(pdev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
	                                  pci_select_bars(pdev, IORESOURCE_MEM),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
	                                  e1000e_driver_name);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5633
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5634
		goto err_pci_reg;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5635
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5636
	/* AER (Advanced Error Reporting) hooks */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5637
	pci_enable_pcie_error_reporting(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5638
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5639
	pci_set_master(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5640
	/* PCI config space info */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5641
	err = pci_save_state(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5642
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5643
		goto err_alloc_etherdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5644
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5645
	err = -ENOMEM;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5646
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5647
	if (!netdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5648
		goto err_alloc_etherdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5649
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5650
	SET_NETDEV_DEV(netdev, &pdev->dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5651
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5652
	netdev->irq = pdev->irq;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5653
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5654
	pci_set_drvdata(pdev, netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5655
	adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5656
	hw = &adapter->hw;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5657
	adapter->netdev = netdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5658
	adapter->pdev = pdev;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5659
	adapter->ei = ei;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5660
	adapter->pba = ei->pba;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5661
	adapter->flags = ei->flags;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5662
	adapter->flags2 = ei->flags2;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5663
	adapter->hw.adapter = adapter;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5664
	adapter->hw.mac.type = ei->mac;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5665
	adapter->max_hw_frame_size = ei->max_hw_frame_size;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5666
	adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5667
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5668
	mmio_start = pci_resource_start(pdev, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5669
	mmio_len = pci_resource_len(pdev, 0);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5670
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5671
	err = -EIO;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5672
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5673
	if (!adapter->hw.hw_addr)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5674
		goto err_ioremap;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5675
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5676
	if ((adapter->flags & FLAG_HAS_FLASH) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5677
	    (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5678
		flash_start = pci_resource_start(pdev, 1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5679
		flash_len = pci_resource_len(pdev, 1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5680
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5681
		if (!adapter->hw.flash_address)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5682
			goto err_flashmap;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5683
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5684
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5685
	/* construct the net_device struct */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5686
	netdev->netdev_ops		= &e1000e_netdev_ops;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5687
	e1000e_set_ethtool_ops(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5688
	netdev->watchdog_timeo		= 5 * HZ;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5689
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5690
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5691
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5692
	netdev->mem_start = mmio_start;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5693
	netdev->mem_end = mmio_start + mmio_len;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5694
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5695
	adapter->bd_number = cards_found++;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5696
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5697
	e1000e_check_options(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5698
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5699
	/* setup adapter struct */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5700
	err = e1000_sw_init(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5701
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5702
		goto err_sw_init;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5703
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5704
	err = -EIO;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5705
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5706
	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5707
	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5708
	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5709
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5710
	err = ei->get_variants(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5711
	if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5712
		goto err_hw_init;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5713
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5714
	if ((adapter->flags & FLAG_IS_ICH) &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5715
	    (adapter->flags & FLAG_READ_ONLY_NVM))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5716
		e1000e_write_protect_nvm_ich8lan(&adapter->hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5717
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5718
	hw->mac.ops.get_bus_info(&adapter->hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5719
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5720
	adapter->hw.phy.autoneg_wait_to_complete = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5721
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5722
	/* Copper options */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5723
	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5724
		adapter->hw.phy.mdix = AUTO_ALL_MODES;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5725
		adapter->hw.phy.disable_polarity_correction = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5726
		adapter->hw.phy.ms_type = e1000_ms_hw_default;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5727
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5728
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5729
	if (e1000_check_reset_block(&adapter->hw))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5730
		e_info("PHY reset is blocked due to SOL/IDER session.\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5731
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5732
	netdev->features = NETIF_F_SG |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5733
			   NETIF_F_HW_CSUM |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5734
			   NETIF_F_HW_VLAN_TX |
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5735
			   NETIF_F_HW_VLAN_RX;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5736
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5737
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5738
		netdev->features |= NETIF_F_HW_VLAN_FILTER;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5739
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5740
	netdev->features |= NETIF_F_TSO;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5741
	netdev->features |= NETIF_F_TSO6;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5742
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5743
	netdev->vlan_features |= NETIF_F_TSO;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5744
	netdev->vlan_features |= NETIF_F_TSO6;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5745
	netdev->vlan_features |= NETIF_F_HW_CSUM;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5746
	netdev->vlan_features |= NETIF_F_SG;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5747
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5748
	if (pci_using_dac)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5749
		netdev->features |= NETIF_F_HIGHDMA;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5750
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5751
	if (e1000e_enable_mng_pass_thru(&adapter->hw))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5752
		adapter->flags |= FLAG_MNG_PT_ENABLED;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5753
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5754
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5755
	 * before reading the NVM, reset the controller to
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5756
	 * put the device in a known good starting state
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5757
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5758
	adapter->hw.mac.ops.reset_hw(&adapter->hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5759
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5760
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5761
	 * systems with ASPM and others may see the checksum fail on the first
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5762
	 * attempt. Let's give it a few tries
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5763
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5764
	for (i = 0;; i++) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5765
		if (e1000_validate_nvm_checksum(&adapter->hw) >= 0)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5766
			break;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5767
		if (i == 2) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5768
			e_err("The NVM Checksum Is Not Valid\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5769
			err = -EIO;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5770
			goto err_eeprom;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5771
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5772
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5773
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5774
	e1000_eeprom_checks(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5775
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5776
	/* copy the MAC address */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5777
	if (e1000e_read_mac_addr(&adapter->hw))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5778
		e_err("NVM Read Error while reading MAC address\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5779
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5780
	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5781
	memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5782
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5783
	if (!is_valid_ether_addr(netdev->perm_addr)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5784
		e_err("Invalid MAC Address: %pM\n", netdev->perm_addr);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5785
		err = -EIO;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5786
		goto err_eeprom;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5787
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5788
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5789
	init_timer(&adapter->watchdog_timer);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5790
	adapter->watchdog_timer.function = &e1000_watchdog;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5791
	adapter->watchdog_timer.data = (unsigned long) adapter;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5792
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5793
	init_timer(&adapter->phy_info_timer);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5794
	adapter->phy_info_timer.function = &e1000_update_phy_info;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5795
	adapter->phy_info_timer.data = (unsigned long) adapter;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5796
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5797
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5798
	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5799
	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5800
	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5801
	INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5802
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5803
	/* Initialize link parameters. User can change them with ethtool */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5804
	adapter->hw.mac.autoneg = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5805
	adapter->fc_autoneg = 1;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5806
	adapter->hw.fc.requested_mode = e1000_fc_default;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5807
	adapter->hw.fc.current_mode = e1000_fc_default;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5808
	adapter->hw.phy.autoneg_advertised = 0x2f;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5809
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5810
	/* ring size defaults */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5811
	adapter->rx_ring->count = 256;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5812
	adapter->tx_ring->count = 256;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5813
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5814
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5815
	 * Initial Wake on LAN setting - If APM wake is enabled in
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5816
	 * the EEPROM, enable the ACPI Magic Packet filter
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5817
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5818
	if (adapter->flags & FLAG_APME_IN_WUC) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5819
		/* APME bit in EEPROM is mapped to WUC.APME */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5820
		eeprom_data = er32(WUC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5821
		eeprom_apme_mask = E1000_WUC_APME;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5822
		if (eeprom_data & E1000_WUC_PHY_WAKE)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5823
			adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5824
	} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5825
		if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5826
		    (adapter->hw.bus.func == 1))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5827
			e1000_read_nvm(&adapter->hw,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5828
				NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5829
		else
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5830
			e1000_read_nvm(&adapter->hw,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5831
				NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5832
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5833
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5834
	/* fetch WoL from EEPROM */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5835
	if (eeprom_data & eeprom_apme_mask)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5836
		adapter->eeprom_wol |= E1000_WUFC_MAG;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5837
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5838
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5839
	 * now that we have the eeprom settings, apply the special cases
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5840
	 * where the eeprom may be wrong or the board simply won't support
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5841
	 * wake on lan on a particular port
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5842
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5843
	if (!(adapter->flags & FLAG_HAS_WOL))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5844
		adapter->eeprom_wol = 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5845
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5846
	/* initialize the wol settings based on the eeprom settings */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5847
	adapter->wol = adapter->eeprom_wol;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5848
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5849
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5850
	/* save off EEPROM version number */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5851
	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5852
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5853
	/* reset the hardware with the new settings */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5854
	e1000e_reset(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5855
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5856
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5857
	 * If the controller has AMT, do not set DRV_LOAD until the interface
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5858
	 * is up.  For all other cases, let the f/w know that the h/w is now
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5859
	 * under the control of the driver.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5860
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5861
	if (!(adapter->flags & FLAG_HAS_AMT))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5862
		e1000_get_hw_control(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5863
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5864
	adapter->ecdev = ecdev_offer(netdev,ec_poll,THIS_MODULE);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5865
	if (adapter->ecdev) {
2589
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  5866
		err = ecdev_open(adapter->ecdev);
2b9c78543663 Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents: 2285
diff changeset
  5867
		if (err) {
2285
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5868
			ecdev_withdraw(adapter->ecdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5869
			goto err_register;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5870
		}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5871
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5872
		strcpy(netdev->name, "eth%d");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5873
		err = register_netdev(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5874
		if (err)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5875
			goto err_register;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5876
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5877
		/* carrier off reporting is important to ethtool even BEFORE open */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5878
		netif_carrier_off(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5879
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5880
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5881
	e1000_print_device_info(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5882
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5883
	if (pci_dev_run_wake(pdev)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5884
		pm_runtime_set_active(&pdev->dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5885
		pm_runtime_enable(&pdev->dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5886
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5887
	pm_schedule_suspend(&pdev->dev, MSEC_PER_SEC);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5888
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5889
	return 0;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5890
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5891
err_register:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5892
	if (!(adapter->flags & FLAG_HAS_AMT))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5893
		e1000_release_hw_control(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5894
err_eeprom:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5895
	if (!e1000_check_reset_block(&adapter->hw))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5896
		e1000_phy_hw_reset(&adapter->hw);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5897
err_hw_init:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5898
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5899
	kfree(adapter->tx_ring);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5900
	kfree(adapter->rx_ring);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5901
err_sw_init:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5902
	if (adapter->hw.flash_address)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5903
		iounmap(adapter->hw.flash_address);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5904
	e1000e_reset_interrupt_capability(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5905
err_flashmap:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5906
	iounmap(adapter->hw.hw_addr);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5907
err_ioremap:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5908
	free_netdev(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5909
err_alloc_etherdev:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5910
	pci_release_selected_regions(pdev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5911
	                             pci_select_bars(pdev, IORESOURCE_MEM));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5912
err_pci_reg:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5913
err_dma:
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5914
	pci_disable_device(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5915
	return err;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5916
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5917
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5918
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5919
 * e1000_remove - Device Removal Routine
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5920
 * @pdev: PCI device information struct
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5921
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5922
 * e1000_remove is called by the PCI subsystem to alert the driver
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5923
 * that it should release a PCI device.  The could be caused by a
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5924
 * Hot-Plug event, or because the driver is going to be removed from
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5925
 * memory.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5926
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5927
static void __devexit e1000_remove(struct pci_dev *pdev)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5928
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5929
	struct net_device *netdev = pci_get_drvdata(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5930
	struct e1000_adapter *adapter = netdev_priv(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5931
	bool down = test_bit(__E1000_DOWN, &adapter->state);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5932
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5933
	pm_runtime_get_sync(&pdev->dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5934
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5935
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5936
	 * flush_scheduled work may reschedule our watchdog task, so
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5937
	 * explicitly disable watchdog tasks from being rescheduled
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5938
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5939
	if (!down)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5940
		set_bit(__E1000_DOWN, &adapter->state);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5941
	del_timer_sync(&adapter->watchdog_timer);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5942
	del_timer_sync(&adapter->phy_info_timer);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5943
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5944
	cancel_work_sync(&adapter->reset_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5945
	cancel_work_sync(&adapter->watchdog_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5946
	cancel_work_sync(&adapter->downshift_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5947
	cancel_work_sync(&adapter->update_phy_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5948
	cancel_work_sync(&adapter->print_hang_task);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5949
	flush_scheduled_work();
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5950
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5951
	if (!(netdev->flags & IFF_UP))
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5952
		e1000_power_down_phy(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5953
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5954
	/* Don't lie to e1000_close() down the road. */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5955
	if (!down)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5956
		clear_bit(__E1000_DOWN, &adapter->state);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5957
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5958
	if (adapter->ecdev) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5959
		ecdev_close(adapter->ecdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5960
		ecdev_withdraw(adapter->ecdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5961
	} else {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5962
		unregister_netdev(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5963
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5964
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5965
	if (pci_dev_run_wake(pdev)) {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5966
		pm_runtime_disable(&pdev->dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5967
		pm_runtime_set_suspended(&pdev->dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5968
	}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5969
	pm_runtime_put_noidle(&pdev->dev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5970
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5971
	/*
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5972
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5973
	 * would have already happened in close and is redundant.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5974
	 */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5975
	e1000_release_hw_control(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5976
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5977
	e1000e_reset_interrupt_capability(adapter);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5978
	kfree(adapter->tx_ring);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5979
	kfree(adapter->rx_ring);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5980
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5981
	iounmap(adapter->hw.hw_addr);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5982
	if (adapter->hw.flash_address)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5983
		iounmap(adapter->hw.flash_address);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5984
	pci_release_selected_regions(pdev,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5985
	                             pci_select_bars(pdev, IORESOURCE_MEM));
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5986
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5987
	free_netdev(netdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5988
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5989
	/* AER disable */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5990
	pci_disable_pcie_error_reporting(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5991
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5992
	pci_disable_device(pdev);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5993
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5994
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5995
/* PCI Error Recovery (ERS) */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5996
static struct pci_error_handlers e1000_err_handler = {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5997
	.error_detected = e1000_io_error_detected,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5998
	.slot_reset = e1000_io_slot_reset,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5999
	.resume = e1000_io_resume,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6000
};
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6001
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6002
static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6003
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6004
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6005
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6006
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP), board_82571 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6007
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6008
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6009
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6010
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6011
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6012
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6013
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6014
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6015
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6016
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6017
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6018
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6019
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6020
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6021
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6022
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6023
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6024
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6025
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6026
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6027
	  board_80003es2lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6028
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6029
	  board_80003es2lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6030
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_DPT),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6031
	  board_80003es2lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6032
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6033
	  board_80003es2lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6034
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6035
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6036
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6037
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6038
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_AMT), board_ich8lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6039
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6040
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6041
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6042
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6043
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6044
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6045
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6046
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6047
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6048
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6049
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6050
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6051
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6052
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6053
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6054
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LM), board_ich9lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6055
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6056
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6057
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6058
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6059
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6060
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_V), board_ich10lan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6061
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6062
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6063
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6064
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6065
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6066
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6067
	{ }	/* terminate list */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6068
};
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6069
//MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6070
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6071
#ifdef CONFIG_PM_OPS
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6072
static const struct dev_pm_ops e1000_pm_ops = {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6073
	SET_SYSTEM_SLEEP_PM_OPS(e1000_suspend, e1000_resume)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6074
	SET_RUNTIME_PM_OPS(e1000_runtime_suspend,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6075
				e1000_runtime_resume, e1000_idle)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6076
};
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6077
#endif
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6078
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6079
/* PCI Device API Driver */
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6080
static struct pci_driver e1000_driver = {
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6081
	.name     = e1000e_driver_name,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6082
	.id_table = e1000_pci_tbl,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6083
	.probe    = e1000_probe,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6084
	.remove   = __devexit_p(e1000_remove),
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6085
#ifdef CONFIG_PM_OPS
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6086
	.driver.pm = &e1000_pm_ops,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6087
#endif
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6088
	.shutdown = e1000_shutdown,
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6089
	.err_handler = &e1000_err_handler
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6090
};
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6091
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6092
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6093
 * e1000_init_module - Driver Registration Routine
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6094
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6095
 * e1000_init_module is the first routine called when the driver is
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6096
 * loaded. All it does is register with the PCI subsystem.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6097
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6098
static int __init e1000_init_module(void)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6099
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6100
	int ret;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6101
	pr_info("EtherCAT-capable Intel(R) PRO/1000 Network Driver - %s\n",
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6102
		e1000e_driver_version);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6103
	pr_info("Copyright (c) 1999 - 2009 Intel Corporation.\n");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6104
	ret = pci_register_driver(&e1000_driver);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6105
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6106
	return ret;
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6107
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6108
module_init(e1000_init_module);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6109
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6110
/**
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6111
 * e1000_exit_module - Driver Exit Cleanup Routine
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6112
 *
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6113
 * e1000_exit_module is called just before the driver is removed
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6114
 * from memory.
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6115
 **/
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6116
static void __exit e1000_exit_module(void)
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6117
{
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6118
	pci_unregister_driver(&e1000_driver);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6119
}
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6120
module_exit(e1000_exit_module);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6121
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6122
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6123
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6124
MODULE_DESCRIPTION("Ethercat-capable Intel(R) PRO/1000 Network Driver");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6125
MODULE_LICENSE("GPL");
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6126
MODULE_VERSION(DRV_VERSION);
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6127
8ebecea534d3 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6128
/* e1000_main.c */