devices/e1000e/netdev-2.6.35-orig.c
author Florian Pose <fp@igh-essen.com>
Tue, 05 Feb 2013 16:45:34 +0100
branchstable-1.5
changeset 2505 5ef3197e5e1f
parent 2290 0a6fc3f5f418
permissions -rw-r--r--
Added ecrt_slave_config_reg_so_entry_pos() to register non-unique entries.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2009 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*******************************************************************************/
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#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.h"
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#define DRV_VERSION "1.0.2-k4"
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char e1000e_driver_name[] = "e1000e";
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const char e1000e_driver_version[] = DRV_VERSION;
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static const struct e1000_info *e1000_info_tbl[] = {
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	[board_82571]		= &e1000_82571_info,
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	[board_82572]		= &e1000_82572_info,
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	[board_82573]		= &e1000_82573_info,
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	[board_82574]		= &e1000_82574_info,
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	[board_82583]		= &e1000_82583_info,
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	[board_80003es2lan]	= &e1000_es2_info,
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	[board_ich8lan]		= &e1000_ich8_info,
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	[board_ich9lan]		= &e1000_ich9_info,
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	[board_ich10lan]	= &e1000_ich10_info,
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	[board_pchlan]		= &e1000_pch_info,
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};
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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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	{E1000_TDFH, "TDFH"},
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   127
	{E1000_TDFT, "TDFT"},
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   128
	{E1000_TDFHS, "TDFHS"},
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   129
	{E1000_TDFTS, "TDFTS"},
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   130
	{E1000_TDFPC, "TDFPC"},
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   131
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   132
	/* List Terminator */
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parents:
diff changeset
   133
	{}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   134
};
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   135
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   136
/*
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parents:
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   137
 * e1000_regdump - register printout routine
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parents:
diff changeset
   138
 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
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   139
static void e1000_regdump(struct e1000_hw *hw, struct e1000_reg_info *reginfo)
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   140
{
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parents:
diff changeset
   141
	int n = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   142
	char rname[16];
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parents:
diff changeset
   143
	u32 regs[8];
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parents:
diff changeset
   144
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
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   145
	switch (reginfo->ofs) {
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parents:
diff changeset
   146
	case E1000_RXDCTL(0):
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   147
		for (n = 0; n < 2; n++)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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diff changeset
   148
			regs[n] = __er32(hw, E1000_RXDCTL(n));
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   149
		break;
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parents:
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   150
	case E1000_TXDCTL(0):
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   151
		for (n = 0; n < 2; n++)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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diff changeset
   152
			regs[n] = __er32(hw, E1000_TXDCTL(n));
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   153
		break;
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parents:
diff changeset
   154
	case E1000_TARC(0):
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   155
		for (n = 0; n < 2; n++)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   156
			regs[n] = __er32(hw, E1000_TARC(n));
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parents:
diff changeset
   157
		break;
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parents:
diff changeset
   158
	default:
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parents:
diff changeset
   159
		printk(KERN_INFO "%-15s %08x\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   160
			reginfo->name, __er32(hw, reginfo->ofs));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   161
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   162
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   163
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   164
	snprintf(rname, 16, "%s%s", reginfo->name, "[0-1]");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   165
	printk(KERN_INFO "%-15s ", rname);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   166
	for (n = 0; n < 2; n++)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   167
		printk(KERN_CONT "%08x ", regs[n]);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
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parents:
diff changeset
   168
	printk(KERN_CONT "\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   169
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   170
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   171
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   172
/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   173
 * e1000e_dump - Print registers, tx-ring and rx-ring
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   174
 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   175
static void e1000e_dump(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   176
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   177
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   178
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   179
	struct e1000_reg_info *reginfo;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   180
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   181
	struct e1000_tx_desc *tx_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   182
	struct my_u0 { u64 a; u64 b; } *u0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
	struct e1000_buffer *buffer_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   184
	struct e1000_ring *rx_ring = adapter->rx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   185
	union e1000_rx_desc_packet_split *rx_desc_ps;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
	struct e1000_rx_desc *rx_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
	struct my_u1 { u64 a; u64 b; u64 c; u64 d; } *u1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
	u32 staterr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
	int i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
	if (!netif_msg_hw(adapter))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
	/* Print netdevice Info */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
	if (netdev) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
		dev_info(&adapter->pdev->dev, "Net device Info\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
		printk(KERN_INFO "Device Name     state            "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
			"trans_start      last_rx\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
		printk(KERN_INFO "%-15s %016lX %016lX %016lX\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
			netdev->name,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
			netdev->state,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
			netdev->trans_start,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
			netdev->last_rx);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
	/* Print Registers */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
	dev_info(&adapter->pdev->dev, "Register Dump\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
	printk(KERN_INFO " Register Name   Value\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
	for (reginfo = (struct e1000_reg_info *)e1000_reg_info_tbl;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
	     reginfo->name; reginfo++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
		e1000_regdump(hw, reginfo);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
	/* Print TX Ring Summary */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
	if (!netdev || !netif_running(netdev))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
		goto exit;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
	dev_info(&adapter->pdev->dev, "TX Rings Summary\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
	printk(KERN_INFO "Queue [NTU] [NTC] [bi(ntc)->dma  ]"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
		" leng ntw timestamp\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
	buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
	printk(KERN_INFO " %5d %5X %5X %016llX %04X %3X %016llX\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
		0, tx_ring->next_to_use, tx_ring->next_to_clean,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
		(u64)buffer_info->dma,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
		buffer_info->length,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
		buffer_info->next_to_watch,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
		(u64)buffer_info->time_stamp);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
	/* Print TX Rings */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
	if (!netif_msg_tx_done(adapter))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
		goto rx_ring_summary;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
	dev_info(&adapter->pdev->dev, "TX Rings Dump\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
	/* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
	 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
	 * Legacy Transmit Descriptor
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
	 *   +--------------------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
	 * 0 |         Buffer Address [63:0] (Reserved on Write Back)       |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
	 *   +--------------------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
	 * 8 | Special  |    CSS     | Status |  CMD    |  CSO   |  Length  |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
	 *   +--------------------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
	 *   63       48 47        36 35    32 31     24 23    16 15        0
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
	 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
	 * Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
	 *   63      48 47    40 39       32 31             16 15    8 7      0
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
	 *   +----------------------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
	 * 0 |  TUCSE  | TUCS0  |   TUCSS   |     IPCSE       | IPCS0 | IPCSS |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
	 *   +----------------------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
	 * 8 |   MSS   | HDRLEN | RSV | STA | TUCMD | DTYP |      PAYLEN      |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
	 *   +----------------------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
	 *   63      48 47    40 39 36 35 32 31   24 23  20 19                0
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
	 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
	 * Extended Data Descriptor (DTYP=0x1)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
	 *   +----------------------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
	 * 0 |                     Buffer Address [63:0]                      |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
	 *   +----------------------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
	 * 8 | VLAN tag |  POPTS  | Rsvd | Status | Command | DTYP |  DTALEN  |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
	 *   +----------------------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
	 *   63       48 47     40 39  36 35    32 31     24 23  20 19        0
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	printk(KERN_INFO "Tl[desc]     [address 63:0  ] [SpeCssSCmCsLen]"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
		" [bi->dma       ] leng  ntw timestamp        bi->skb "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
		"<-- Legacy format\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
	printk(KERN_INFO "Tc[desc]     [Ce CoCsIpceCoS] [MssHlRSCm0Plen]"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
		" [bi->dma       ] leng  ntw timestamp        bi->skb "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
		"<-- Ext Context format\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
	printk(KERN_INFO "Td[desc]     [address 63:0  ] [VlaPoRSCm1Dlen]"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
		" [bi->dma       ] leng  ntw timestamp        bi->skb "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
		"<-- Ext Data format\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
	for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
		tx_desc = E1000_TX_DESC(*tx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
		buffer_info = &tx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
		u0 = (struct my_u0 *)tx_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
		printk(KERN_INFO "T%c[0x%03X]    %016llX %016llX %016llX "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
			"%04X  %3X %016llX %p",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
		       (!(le64_to_cpu(u0->b) & (1<<29)) ? 'l' :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
			((le64_to_cpu(u0->b) & (1<<20)) ? 'd' : 'c')), i,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
		       le64_to_cpu(u0->a), le64_to_cpu(u0->b),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
		       (u64)buffer_info->dma, buffer_info->length,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
		       buffer_info->next_to_watch, (u64)buffer_info->time_stamp,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
		       buffer_info->skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
		if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
			printk(KERN_CONT " NTC/U\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
		else if (i == tx_ring->next_to_use)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
			printk(KERN_CONT " NTU\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
		else if (i == tx_ring->next_to_clean)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
			printk(KERN_CONT " NTC\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
		else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
			printk(KERN_CONT "\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
		if (netif_msg_pktdata(adapter) && buffer_info->dma != 0)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
			print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
					16, 1, phys_to_virt(buffer_info->dma),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
					buffer_info->length, true);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
	/* Print RX Rings Summary */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
rx_ring_summary:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
	dev_info(&adapter->pdev->dev, "RX Rings Summary\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
	printk(KERN_INFO "Queue [NTU] [NTC]\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
	printk(KERN_INFO " %5d %5X %5X\n", 0,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
		rx_ring->next_to_use, rx_ring->next_to_clean);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
	/* Print RX Rings */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
	if (!netif_msg_rx_status(adapter))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
		goto exit;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
	dev_info(&adapter->pdev->dev, "RX Rings Dump\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
	switch (adapter->rx_ps_pages) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
	case 1:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
	case 2:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
	case 3:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
		/* [Extended] Packet Split Receive Descriptor Format
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
		 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
		 *    +-----------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
		 *  0 |                Buffer Address 0 [63:0]              |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
		 *    +-----------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
		 *  8 |                Buffer Address 1 [63:0]              |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
		 *    +-----------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
		 * 16 |                Buffer Address 2 [63:0]              |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
		 *    +-----------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
		 * 24 |                Buffer Address 3 [63:0]              |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
		 *    +-----------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
		printk(KERN_INFO "R  [desc]      [buffer 0 63:0 ] "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
			"[buffer 1 63:0 ] "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
		       "[buffer 2 63:0 ] [buffer 3 63:0 ] [bi->dma       ] "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
		       "[bi->skb] <-- Ext Pkt Split format\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		/* [Extended] Receive Descriptor (Write-Back) Format
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		 *   63       48 47    32 31     13 12    8 7    4 3        0
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
		 *   +------------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
		 * 0 | Packet   | IP     |  Rsvd   | MRQ   | Rsvd | MRQ RSS |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
		 *   | Checksum | Ident  |         | Queue |      |  Type   |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
		 *   +------------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
		 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
		 *   +------------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
		 *   63       48 47    32 31            20 19               0
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		printk(KERN_INFO "RWB[desc]      [ck ipid mrqhsh] "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
			"[vl   l0 ee  es] "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
		       "[ l3  l2  l1 hs] [reserved      ] ---------------- "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		       "[bi->skb] <-- Ext Rx Write-Back format\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
		for (i = 0; i < rx_ring->count; i++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
			buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
			rx_desc_ps = E1000_RX_DESC_PS(*rx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
			u1 = (struct my_u1 *)rx_desc_ps;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
			staterr =
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
				le32_to_cpu(rx_desc_ps->wb.middle.status_error);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
			if (staterr & E1000_RXD_STAT_DD) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
				/* Descriptor Done */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
				printk(KERN_INFO "RWB[0x%03X]     %016llX "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
					"%016llX %016llX %016llX "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
					"---------------- %p", i,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
					le64_to_cpu(u1->a),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
					le64_to_cpu(u1->b),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
					le64_to_cpu(u1->c),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
					le64_to_cpu(u1->d),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
					buffer_info->skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
			} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
				printk(KERN_INFO "R  [0x%03X]     %016llX "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
					"%016llX %016llX %016llX %016llX %p", i,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
					le64_to_cpu(u1->a),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
					le64_to_cpu(u1->b),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
					le64_to_cpu(u1->c),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
					le64_to_cpu(u1->d),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
					(u64)buffer_info->dma,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
					buffer_info->skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
				if (netif_msg_pktdata(adapter))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
					print_hex_dump(KERN_INFO, "",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
						DUMP_PREFIX_ADDRESS, 16, 1,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
						phys_to_virt(buffer_info->dma),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
						adapter->rx_ps_bsize0, true);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
			if (i == rx_ring->next_to_use)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
				printk(KERN_CONT " NTU\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
			else if (i == rx_ring->next_to_clean)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
				printk(KERN_CONT " NTC\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
			else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
				printk(KERN_CONT "\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
	default:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
	case 0:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
		/* Legacy Receive Descriptor Format
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
		 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
		 * +-----------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
		 * |                Buffer Address [63:0]                |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
		 * +-----------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
		 * | VLAN Tag | Errors | Status 0 | Packet csum | Length |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
		 * +-----------------------------------------------------+
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
		 * 63       48 47    40 39      32 31         16 15      0
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
		printk(KERN_INFO "Rl[desc]     [address 63:0  ] "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
			"[vl er S cks ln] [bi->dma       ] [bi->skb] "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
			"<-- Legacy format\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
		for (i = 0; rx_ring->desc && (i < rx_ring->count); i++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
			rx_desc = E1000_RX_DESC(*rx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
			buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
			u0 = (struct my_u0 *)rx_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
			printk(KERN_INFO "Rl[0x%03X]    %016llX %016llX "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
				"%016llX %p",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
				i, le64_to_cpu(u0->a), le64_to_cpu(u0->b),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
				(u64)buffer_info->dma, buffer_info->skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
			if (i == rx_ring->next_to_use)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
				printk(KERN_CONT " NTU\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
			else if (i == rx_ring->next_to_clean)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
				printk(KERN_CONT " NTC\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
			else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
				printk(KERN_CONT "\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
			if (netif_msg_pktdata(adapter))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
				print_hex_dump(KERN_INFO, "",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
					DUMP_PREFIX_ADDRESS,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
					16, 1, phys_to_virt(buffer_info->dma),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
					adapter->rx_buffer_len, true);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
exit:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
	return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
 * e1000_desc_unused - calculate if we have unused descriptors
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
static int e1000_desc_unused(struct e1000_ring *ring)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
	if (ring->next_to_clean > ring->next_to_use)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
		return ring->next_to_clean - ring->next_to_use - 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
 * e1000_receive_skb - helper function to handle Rx indications
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
 * @status: descriptor status field as written by hardware
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
 * @skb: pointer to sk_buff to be indicated to stack
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
static void e1000_receive_skb(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
			      struct net_device *netdev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
			      struct sk_buff *skb,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
			      u8 status, __le16 vlan)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
	skb->protocol = eth_type_trans(skb, netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
	if (adapter->vlgrp && (status & E1000_RXD_STAT_VP))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
		vlan_gro_receive(&adapter->napi, adapter->vlgrp,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
				 le16_to_cpu(vlan), skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
		napi_gro_receive(&adapter->napi, skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
 * e1000_rx_checksum - Receive Checksum Offload for 82543
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
 * @adapter:     board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
 * @status_err:  receive descriptor status and error fields
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
 * @csum:	receive descriptor csum field
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
 * @sk_buff:     socket buffer with received data
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
			      u32 csum, struct sk_buff *skb)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
	u16 status = (u16)status_err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	u8 errors = (u8)(status_err >> 24);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
	skb->ip_summed = CHECKSUM_NONE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
	/* Ignore Checksum bit is set */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
	if (status & E1000_RXD_STAT_IXSM)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	/* TCP/UDP checksum error bit is set */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
	if (errors & E1000_RXD_ERR_TCPE) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
		/* let the stack verify checksum errors */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
		adapter->hw_csum_err++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	/* TCP/UDP Checksum has not been calculated */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	/* It must be a TCP or UDP packet with a valid checksum */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
	if (status & E1000_RXD_STAT_TCPCS) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
		/* TCP checksum is good */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
		skb->ip_summed = CHECKSUM_UNNECESSARY;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
		 * IP fragment with UDP payload
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
		 * Hardware complements the payload checksum, so we undo it
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		 * and then put the value in host order for further stack use.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		__sum16 sum = (__force __sum16)htons(csum);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		skb->csum = csum_unfold(~sum);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		skb->ip_summed = CHECKSUM_COMPLETE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	adapter->hw_csum_good++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
 * @adapter: address of board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
				   int cleaned_count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
	struct e1000_ring *rx_ring = adapter->rx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	struct e1000_rx_desc *rx_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	struct e1000_buffer *buffer_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
	struct sk_buff *skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
	unsigned int i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
	unsigned int bufsz = adapter->rx_buffer_len;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	i = rx_ring->next_to_use;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	while (cleaned_count--) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
		skb = buffer_info->skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
		if (skb) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
			skb_trim(skb, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
			goto map_skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
		if (!skb) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
			/* Better luck next round */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
			adapter->alloc_rx_buff_failed++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
		buffer_info->skb = skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
map_skb:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
						  adapter->rx_buffer_len,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
						  DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
			dev_err(&pdev->dev, "RX DMA map failed\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
			adapter->rx_dma_failed++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
		rx_desc = E1000_RX_DESC(*rx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
			/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
			 * Force memory writes to complete before letting h/w
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
			 * know there are new descriptors to fetch.  (Only
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
			 * applicable for weak-ordered memory model archs,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
			 * such as IA-64).
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
			 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
			wmb();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
			writel(i, adapter->hw.hw_addr + rx_ring->tail);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
		i++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
		if (i == rx_ring->count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
			i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
		buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	rx_ring->next_to_use = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
 * @adapter: address of board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
				      int cleaned_count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
	union e1000_rx_desc_packet_split *rx_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
	struct e1000_ring *rx_ring = adapter->rx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
	struct e1000_buffer *buffer_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
	struct e1000_ps_page *ps_page;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	struct sk_buff *skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	unsigned int i, j;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	i = rx_ring->next_to_use;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	while (cleaned_count--) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
			ps_page = &buffer_info->ps_pages[j];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
			if (j >= adapter->rx_ps_pages) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
				/* all unused desc entries get hw null ptr */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
				rx_desc->read.buffer_addr[j+1] = ~cpu_to_le64(0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
				continue;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
			if (!ps_page->page) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
				ps_page->page = alloc_page(GFP_ATOMIC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
				if (!ps_page->page) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
					adapter->alloc_rx_buff_failed++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
					goto no_buffers;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
				}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
				ps_page->dma = dma_map_page(&pdev->dev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
							    ps_page->page,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
							    0, PAGE_SIZE,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
							    DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
				if (dma_mapping_error(&pdev->dev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
						      ps_page->dma)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
					dev_err(&adapter->pdev->dev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
					  "RX DMA page map failed\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
					adapter->rx_dma_failed++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
					goto no_buffers;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
				}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
			/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
			 * Refresh the desc even if buffer_addrs
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
			 * didn't change because each write-back
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
			 * erases this info.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
			 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
			rx_desc->read.buffer_addr[j+1] =
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
			     cpu_to_le64(ps_page->dma);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
		skb = netdev_alloc_skb_ip_align(netdev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
						adapter->rx_ps_bsize0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
		if (!skb) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
			adapter->alloc_rx_buff_failed++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		buffer_info->skb = skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
						  adapter->rx_ps_bsize0,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
						  DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
			dev_err(&pdev->dev, "RX DMA map failed\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
			adapter->rx_dma_failed++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
			/* cleanup skb */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
			dev_kfree_skb_any(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
			buffer_info->skb = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
			/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
			 * Force memory writes to complete before letting h/w
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
			 * know there are new descriptors to fetch.  (Only
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
			 * applicable for weak-ordered memory model archs,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
			 * such as IA-64).
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
			 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
			wmb();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
			writel(i<<1, adapter->hw.hw_addr + rx_ring->tail);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
		i++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
		if (i == rx_ring->count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
			i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
		buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
no_buffers:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
	rx_ring->next_to_use = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
 * @adapter: address of board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
 * @cleaned_count: number of buffers to allocate this pass
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
                                         int cleaned_count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
	struct e1000_rx_desc *rx_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
	struct e1000_ring *rx_ring = adapter->rx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	struct e1000_buffer *buffer_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	struct sk_buff *skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	unsigned int i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	unsigned int bufsz = 256 - 16 /* for skb_reserve */;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	i = rx_ring->next_to_use;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	while (cleaned_count--) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
		skb = buffer_info->skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
		if (skb) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
			skb_trim(skb, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
			goto check_page;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
		if (unlikely(!skb)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
			/* Better luck next round */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
			adapter->alloc_rx_buff_failed++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
		buffer_info->skb = skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
check_page:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
		/* allocate a new page if necessary */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
		if (!buffer_info->page) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
			buffer_info->page = alloc_page(GFP_ATOMIC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
			if (unlikely(!buffer_info->page)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
				adapter->alloc_rx_buff_failed++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
				break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
		if (!buffer_info->dma)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
			buffer_info->dma = dma_map_page(&pdev->dev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
			                                buffer_info->page, 0,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
			                                PAGE_SIZE,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
							DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
		rx_desc = E1000_RX_DESC(*rx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
		if (unlikely(++i == rx_ring->count))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
			i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
		buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
	if (likely(rx_ring->next_to_use != i)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
		rx_ring->next_to_use = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
		if (unlikely(i-- == 0))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
			i = (rx_ring->count - 1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
		/* Force memory writes to complete before letting h/w
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
		 * know there are new descriptors to fetch.  (Only
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
		 * applicable for weak-ordered memory model archs,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
		 * such as IA-64). */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
		wmb();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		writel(i, adapter->hw.hw_addr + rx_ring->tail);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
 * the return value indicates whether actual cleaning was done, there
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
 * is no guarantee that everything was cleaned
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
			       int *work_done, int work_to_do)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
	struct e1000_ring *rx_ring = adapter->rx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
	struct e1000_rx_desc *rx_desc, *next_rxd;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
	struct e1000_buffer *buffer_info, *next_buffer;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
	u32 length;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
	unsigned int i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	int cleaned_count = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	bool cleaned = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	i = rx_ring->next_to_clean;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	rx_desc = E1000_RX_DESC(*rx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
	buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	while (rx_desc->status & E1000_RXD_STAT_DD) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
		struct sk_buff *skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
		u8 status;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
		if (*work_done >= work_to_do)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
		(*work_done)++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
		rmb();	/* read descriptor and rx_buffer_info after status DD */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
		status = rx_desc->status;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
		skb = buffer_info->skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
		buffer_info->skb = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
		prefetch(skb->data - NET_IP_ALIGN);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
		i++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		if (i == rx_ring->count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
			i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
		next_rxd = E1000_RX_DESC(*rx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
		prefetch(next_rxd);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
		next_buffer = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
		cleaned = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
		cleaned_count++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
		dma_unmap_single(&pdev->dev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
				 buffer_info->dma,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
				 adapter->rx_buffer_len,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
				 DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
		buffer_info->dma = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
		length = le16_to_cpu(rx_desc->length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
		 * !EOP means multiple descriptors were used to store a single
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
		 * packet, if that's the case we need to toss it.  In fact, we
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
		 * need to toss every packet with the EOP bit clear and the
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
		 * next frame that _does_ have the EOP bit set, as it is by
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
		 * definition only a frame fragment
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
			adapter->flags2 |= FLAG2_IS_DISCARDING;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
			/* All receives must fit into a single buffer */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
			e_dbg("Receive packet consumed multiple buffers\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
			/* recycle */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
			buffer_info->skb = skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
			if (status & E1000_RXD_STAT_EOP)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
			goto next_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
		if (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
			/* recycle */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
			buffer_info->skb = skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
			goto next_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
		/* adjust length to remove Ethernet CRC */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
			length -= 4;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
		total_rx_bytes += length;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
		total_rx_packets++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
		 * code added for copybreak, this should improve
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
		 * performance for small packets with large amounts
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
		 * of reassembly being done in the stack
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
		if (length < copybreak) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
			struct sk_buff *new_skb =
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
			    netdev_alloc_skb_ip_align(netdev, length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
			if (new_skb) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
				skb_copy_to_linear_data_offset(new_skb,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
							       -NET_IP_ALIGN,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
							       (skb->data -
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
								NET_IP_ALIGN),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
							       (length +
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
								NET_IP_ALIGN));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
				/* save the skb in buffer_info as good */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
				buffer_info->skb = skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
				skb = new_skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
			/* else just continue with the old one */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
		/* end copybreak code */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
		skb_put(skb, length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
		/* Receive Checksum Offload */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
		e1000_rx_checksum(adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
				  (u32)(status) |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
				  ((u32)(rx_desc->errors) << 24),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
				  le16_to_cpu(rx_desc->csum), skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
		e1000_receive_skb(adapter, netdev, skb,status,rx_desc->special);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
next_desc:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
		rx_desc->status = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
		/* return some buffers to hardware, one at a time is too slow */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
			adapter->alloc_rx_buf(adapter, cleaned_count);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
			cleaned_count = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
		/* use prefetched values */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
		rx_desc = next_rxd;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		buffer_info = next_buffer;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	rx_ring->next_to_clean = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	cleaned_count = e1000_desc_unused(rx_ring);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	if (cleaned_count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
		adapter->alloc_rx_buf(adapter, cleaned_count);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
	adapter->total_rx_bytes += total_rx_bytes;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
	adapter->total_rx_packets += total_rx_packets;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
	netdev->stats.rx_bytes += total_rx_bytes;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
	netdev->stats.rx_packets += total_rx_packets;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
	return cleaned;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
static void e1000_put_txbuf(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
			     struct e1000_buffer *buffer_info)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	if (buffer_info->dma) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
		if (buffer_info->mapped_as_page)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
				       buffer_info->length, DMA_TO_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
		else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
					 buffer_info->length, DMA_TO_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
		buffer_info->dma = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	if (buffer_info->skb) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
		dev_kfree_skb_any(buffer_info->skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
		buffer_info->skb = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
	buffer_info->time_stamp = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
static void e1000_print_hw_hang(struct work_struct *work)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	struct e1000_adapter *adapter = container_of(work,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
	                                             struct e1000_adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	                                             print_hang_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
	unsigned int i = tx_ring->next_to_clean;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
	struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	u16 phy_status, phy_1000t_status, phy_ext_status;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	u16 pci_status;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	e1e_rphy(hw, PHY_STATUS, &phy_status);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
	/* detected Hardware unit hang */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	e_err("Detected Hardware Unit Hang:\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	      "  TDH                  <%x>\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	      "  TDT                  <%x>\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	      "  next_to_use          <%x>\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	      "  next_to_clean        <%x>\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	      "buffer_info[next_to_clean]:\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	      "  time_stamp           <%lx>\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	      "  next_to_watch        <%x>\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	      "  jiffies              <%lx>\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	      "  next_to_watch.status <%x>\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	      "MAC Status             <%x>\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	      "PHY Status             <%x>\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	      "PHY 1000BASE-T Status  <%x>\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	      "PHY Extended Status    <%x>\n"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	      "PCI Status             <%x>\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	      readl(adapter->hw.hw_addr + tx_ring->head),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
	      readl(adapter->hw.hw_addr + tx_ring->tail),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	      tx_ring->next_to_use,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	      tx_ring->next_to_clean,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	      tx_ring->buffer_info[eop].time_stamp,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	      eop,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	      jiffies,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	      eop_desc->upper.fields.status,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	      er32(STATUS),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	      phy_status,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	      phy_1000t_status,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	      phy_ext_status,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	      pci_status);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
 * the return value indicates whether actual cleaning was done, there
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
 * is no guarantee that everything was cleaned
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	struct e1000_tx_desc *tx_desc, *eop_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	struct e1000_buffer *buffer_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	unsigned int i, eop;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	unsigned int count = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	unsigned int total_tx_bytes = 0, total_tx_packets = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
	i = tx_ring->next_to_clean;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
	eop = tx_ring->buffer_info[i].next_to_watch;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
	       (count < tx_ring->count)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
		bool cleaned = false;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
		rmb(); /* read buffer_info after eop_desc */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
		for (; !cleaned; count++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
			tx_desc = E1000_TX_DESC(*tx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
			buffer_info = &tx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
			cleaned = (i == eop);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
			if (cleaned) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
				total_tx_packets += buffer_info->segs;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
				total_tx_bytes += buffer_info->bytecount;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
			e1000_put_txbuf(adapter, buffer_info);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
			tx_desc->upper.data = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
			i++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
			if (i == tx_ring->count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
				i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
		if (i == tx_ring->next_to_use)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
		eop = tx_ring->buffer_info[i].next_to_watch;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
	tx_ring->next_to_clean = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
#define TX_WAKE_THRESHOLD 32
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
	if (count && netif_carrier_ok(netdev) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
	    e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
		/* Make sure that anybody stopping the queue after this
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		 * sees the new next_to_clean.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
		smp_mb();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
		if (netif_queue_stopped(netdev) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
		    !(test_bit(__E1000_DOWN, &adapter->state))) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
			netif_wake_queue(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
			++adapter->restart_queue;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	if (adapter->detect_tx_hung) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
		 * Detect a transmit hang in hardware, this serializes the
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
		 * check with the clearing of time_stamp and movement of i
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
		adapter->detect_tx_hung = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		if (tx_ring->buffer_info[i].time_stamp &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
			       + (adapter->tx_timeout_factor * HZ)) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
			schedule_work(&adapter->print_hang_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
			netif_stop_queue(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
	adapter->total_tx_bytes += total_tx_bytes;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	adapter->total_tx_packets += total_tx_packets;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	netdev->stats.tx_bytes += total_tx_bytes;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
	netdev->stats.tx_packets += total_tx_packets;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	return (count < tx_ring->count);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
 * the return value indicates whether actual cleaning was done, there
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
 * is no guarantee that everything was cleaned
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
				  int *work_done, int work_to_do)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	struct e1000_ring *rx_ring = adapter->rx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	struct e1000_buffer *buffer_info, *next_buffer;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	struct e1000_ps_page *ps_page;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	struct sk_buff *skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	unsigned int i, j;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
	u32 length, staterr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	int cleaned_count = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	bool cleaned = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	i = rx_ring->next_to_clean;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	while (staterr & E1000_RXD_STAT_DD) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
		if (*work_done >= work_to_do)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
		(*work_done)++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
		skb = buffer_info->skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
		rmb();	/* read descriptor and rx_buffer_info after status DD */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
		/* in the packet split case this is header only */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
		prefetch(skb->data - NET_IP_ALIGN);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
		i++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
		if (i == rx_ring->count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
			i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
		prefetch(next_rxd);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
		next_buffer = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
		cleaned = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
		cleaned_count++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
		dma_unmap_single(&pdev->dev, buffer_info->dma,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
				 adapter->rx_ps_bsize0,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
				 DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		buffer_info->dma = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
		/* see !EOP comment in other rx routine */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
		if (!(staterr & E1000_RXD_STAT_EOP))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
			adapter->flags2 |= FLAG2_IS_DISCARDING;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
			e_dbg("Packet Split buffers didn't pick up the full "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
			      "packet\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
			dev_kfree_skb_irq(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
			if (staterr & E1000_RXD_STAT_EOP)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
			goto next_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
		if (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
			dev_kfree_skb_irq(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
			goto next_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		length = le16_to_cpu(rx_desc->wb.middle.length0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
		if (!length) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
			e_dbg("Last part of the packet spanning multiple "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
			      "descriptors\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
			dev_kfree_skb_irq(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
			goto next_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
		/* Good Receive */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
		skb_put(skb, length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
		{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
		 * this looks ugly, but it seems compiler issues make it
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		 * more efficient than reusing j
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		 * page alloc/put takes too long and effects small packet
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		 * throughput, so unsplit small packets and save the alloc/put
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
		 * only valid in softirq (napi) context to call kmap_*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
		if (l1 && (l1 <= copybreak) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
		    ((length + l1) <= adapter->rx_ps_bsize0)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
			u8 *vaddr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
			ps_page = &buffer_info->ps_pages[0];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
			/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
			 * there is no documentation about how to call
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
			 * kmap_atomic, so we can't hold the mapping
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
			 * very long
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
			 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
			dma_sync_single_for_cpu(&pdev->dev, ps_page->dma,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
						PAGE_SIZE, DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
			vaddr = kmap_atomic(ps_page->page, KM_SKB_DATA_SOFTIRQ);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
			memcpy(skb_tail_pointer(skb), vaddr, l1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
			dma_sync_single_for_device(&pdev->dev, ps_page->dma,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
						   PAGE_SIZE, DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
			/* remove the CRC */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
			if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
				l1 -= 4;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
			skb_put(skb, l1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
			goto copydone;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
		} /* if */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
			length = le16_to_cpu(rx_desc->wb.upper.length[j]);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
			if (!length)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
				break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
			ps_page = &buffer_info->ps_pages[j];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
				       DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
			ps_page->dma = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
			skb_fill_page_desc(skb, j, ps_page->page, 0, length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
			ps_page->page = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
			skb->len += length;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
			skb->data_len += length;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
			skb->truesize += length;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
		/* strip the ethernet crc, problem is we're using pages now so
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
		 * this whole operation can get a little cpu intensive
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
			pskb_trim(skb, skb->len - 4);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
copydone:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
		total_rx_bytes += skb->len;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
		total_rx_packets++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
		e1000_rx_checksum(adapter, staterr, le16_to_cpu(
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
			rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
		if (rx_desc->wb.upper.header_status &
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
			adapter->rx_hdr_split++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
		e1000_receive_skb(adapter, netdev, skb,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
				  staterr, rx_desc->wb.middle.vlan);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
next_desc:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
		buffer_info->skb = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		/* return some buffers to hardware, one at a time is too slow */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
			adapter->alloc_rx_buf(adapter, cleaned_count);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
			cleaned_count = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
		/* use prefetched values */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		rx_desc = next_rxd;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
		buffer_info = next_buffer;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
	rx_ring->next_to_clean = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
	cleaned_count = e1000_desc_unused(rx_ring);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
	if (cleaned_count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
		adapter->alloc_rx_buf(adapter, cleaned_count);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
	adapter->total_rx_bytes += total_rx_bytes;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
	adapter->total_rx_packets += total_rx_packets;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
	netdev->stats.rx_bytes += total_rx_bytes;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
	netdev->stats.rx_packets += total_rx_packets;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
	return cleaned;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
 * e1000_consume_page - helper function
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
                               u16 length)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
	bi->page = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
	skb->len += length;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	skb->data_len += length;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	skb->truesize += length;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
 * the return value indicates whether actual cleaning was done, there
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
 * is no guarantee that everything was cleaned
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
                                     int *work_done, int work_to_do)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
	struct e1000_ring *rx_ring = adapter->rx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
	struct e1000_rx_desc *rx_desc, *next_rxd;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
	struct e1000_buffer *buffer_info, *next_buffer;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	u32 length;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
	unsigned int i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	int cleaned_count = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	bool cleaned = false;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	unsigned int total_rx_bytes=0, total_rx_packets=0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
	i = rx_ring->next_to_clean;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
	rx_desc = E1000_RX_DESC(*rx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
	buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
	while (rx_desc->status & E1000_RXD_STAT_DD) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
		struct sk_buff *skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
		u8 status;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
		if (*work_done >= work_to_do)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
		(*work_done)++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
		rmb();	/* read descriptor and rx_buffer_info after status DD */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
		status = rx_desc->status;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
		skb = buffer_info->skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
		buffer_info->skb = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
		++i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
		if (i == rx_ring->count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
			i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
		next_rxd = E1000_RX_DESC(*rx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
		prefetch(next_rxd);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
		next_buffer = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
		cleaned = true;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
		cleaned_count++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
		dma_unmap_page(&pdev->dev, buffer_info->dma, PAGE_SIZE,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
			       DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
		buffer_info->dma = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
		length = le16_to_cpu(rx_desc->length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
		/* errors is only valid for DD + EOP descriptors */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
		if (unlikely((status & E1000_RXD_STAT_EOP) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
				/* recycle both page and skb */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
				buffer_info->skb = skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
				/* an error means any chain goes out the window
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
				 * too */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
				if (rx_ring->rx_skb_top)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
					dev_kfree_skb(rx_ring->rx_skb_top);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
				rx_ring->rx_skb_top = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
				goto next_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
#define rxtop rx_ring->rx_skb_top
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
		if (!(status & E1000_RXD_STAT_EOP)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
			/* this descriptor is only the beginning (or middle) */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
			if (!rxtop) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
				/* this is the beginning of a chain */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
				rxtop = skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
				                   0, length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
			} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
				/* this is the middle of a chain */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
				skb_fill_page_desc(rxtop,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
				    skb_shinfo(rxtop)->nr_frags,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
				    buffer_info->page, 0, length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
				/* re-use the skb, only consumed the page */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
				buffer_info->skb = skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
			e1000_consume_page(buffer_info, rxtop, length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
			goto next_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
		} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
			if (rxtop) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
				/* end of the chain */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
				skb_fill_page_desc(rxtop,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
				    skb_shinfo(rxtop)->nr_frags,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
				    buffer_info->page, 0, length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
				/* re-use the current skb, we only consumed the
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
				 * page */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
				buffer_info->skb = skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
				skb = rxtop;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
				rxtop = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
				e1000_consume_page(buffer_info, skb, length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
			} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
				/* no chain, got EOP, this buf is the packet
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
				 * copybreak to save the put_page/alloc_page */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
				if (length <= copybreak &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
				    skb_tailroom(skb) >= length) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
					u8 *vaddr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
					vaddr = kmap_atomic(buffer_info->page,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
					                   KM_SKB_DATA_SOFTIRQ);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
					memcpy(skb_tail_pointer(skb), vaddr,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
					       length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
					kunmap_atomic(vaddr,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
					              KM_SKB_DATA_SOFTIRQ);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
					/* re-use the page, so don't erase
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
					 * buffer_info->page */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
					skb_put(skb, length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
				} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
					skb_fill_page_desc(skb, 0,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
					                   buffer_info->page, 0,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
				                           length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
					e1000_consume_page(buffer_info, skb,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
					                   length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
				}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
		e1000_rx_checksum(adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
		                  (u32)(status) |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
		                  ((u32)(rx_desc->errors) << 24),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
		                  le16_to_cpu(rx_desc->csum), skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
		/* probably a little skewed due to removing CRC */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
		total_rx_bytes += skb->len;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
		total_rx_packets++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
		/* eth type trans needs skb->data to point to something */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
		if (!pskb_may_pull(skb, ETH_HLEN)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
			e_err("pskb_may_pull failed.\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
			dev_kfree_skb(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
			goto next_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
		e1000_receive_skb(adapter, netdev, skb, status,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
		                  rx_desc->special);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
next_desc:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
		rx_desc->status = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
		/* return some buffers to hardware, one at a time is too slow */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
			adapter->alloc_rx_buf(adapter, cleaned_count);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
			cleaned_count = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
		/* use prefetched values */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
		rx_desc = next_rxd;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
		buffer_info = next_buffer;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
	rx_ring->next_to_clean = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
	cleaned_count = e1000_desc_unused(rx_ring);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
	if (cleaned_count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
		adapter->alloc_rx_buf(adapter, cleaned_count);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
	adapter->total_rx_bytes += total_rx_bytes;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
	adapter->total_rx_packets += total_rx_packets;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
	netdev->stats.rx_bytes += total_rx_bytes;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
	netdev->stats.rx_packets += total_rx_packets;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
	return cleaned;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
static void e1000_clean_rx_ring(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
	struct e1000_ring *rx_ring = adapter->rx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
	struct e1000_buffer *buffer_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
	struct e1000_ps_page *ps_page;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
	unsigned int i, j;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
	/* Free all the Rx ring sk_buffs */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
	for (i = 0; i < rx_ring->count; i++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
		buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
		if (buffer_info->dma) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
			if (adapter->clean_rx == e1000_clean_rx_irq)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
				dma_unmap_single(&pdev->dev, buffer_info->dma,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
						 adapter->rx_buffer_len,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
						 DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
			else if (adapter->clean_rx == e1000_clean_jumbo_rx_irq)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
				dma_unmap_page(&pdev->dev, buffer_info->dma,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
				               PAGE_SIZE,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
					       DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
			else if (adapter->clean_rx == e1000_clean_rx_irq_ps)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
				dma_unmap_single(&pdev->dev, buffer_info->dma,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
						 adapter->rx_ps_bsize0,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
						 DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
			buffer_info->dma = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
		if (buffer_info->page) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
			put_page(buffer_info->page);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
			buffer_info->page = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
		if (buffer_info->skb) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
			dev_kfree_skb(buffer_info->skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
			buffer_info->skb = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
			ps_page = &buffer_info->ps_pages[j];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
			if (!ps_page->page)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
				break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
				       DMA_FROM_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
			ps_page->dma = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
			put_page(ps_page->page);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
			ps_page->page = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
	/* there also may be some cached data from a chained receive */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
	if (rx_ring->rx_skb_top) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
		dev_kfree_skb(rx_ring->rx_skb_top);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
		rx_ring->rx_skb_top = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
	/* Zero out the descriptor ring */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
	memset(rx_ring->desc, 0, rx_ring->size);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
	rx_ring->next_to_clean = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
	rx_ring->next_to_use = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
	writel(0, adapter->hw.hw_addr + rx_ring->head);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
	writel(0, adapter->hw.hw_addr + rx_ring->tail);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
static void e1000e_downshift_workaround(struct work_struct *work)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
	struct e1000_adapter *adapter = container_of(work,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
					struct e1000_adapter, downshift_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
 * e1000_intr_msi - Interrupt Handler
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
 * @irq: interrupt number
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
 * @data: pointer to a network interface device structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
static irqreturn_t e1000_intr_msi(int irq, void *data)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
	struct net_device *netdev = data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	u32 icr = er32(ICR);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	 * read ICR disables interrupts using IAM
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
	if (icr & E1000_ICR_LSC) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
		hw->mac.get_link_status = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
		 * ICH8 workaround-- Call gig speed drop workaround on cable
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
		 * disconnect (LSC) before accessing any PHY registers
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
		    (!(er32(STATUS) & E1000_STATUS_LU)))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
			schedule_work(&adapter->downshift_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
		 * 80003ES2LAN workaround-- For packet buffer work-around on
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
		 * link down event; disable receives here in the ISR and reset
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
		 * adapter in watchdog
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
		if (netif_carrier_ok(netdev) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
		    adapter->flags & FLAG_RX_NEEDS_RESTART) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
			/* disable receives */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
			u32 rctl = er32(RCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
			adapter->flags |= FLAG_RX_RESTART_NOW;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
		/* guard against interrupt when we're going down */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
		if (!test_bit(__E1000_DOWN, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
	if (napi_schedule_prep(&adapter->napi)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
		adapter->total_tx_bytes = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		adapter->total_tx_packets = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
		adapter->total_rx_bytes = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
		adapter->total_rx_packets = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
		__napi_schedule(&adapter->napi);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	return IRQ_HANDLED;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
 * e1000_intr - Interrupt Handler
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
 * @irq: interrupt number
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
 * @data: pointer to a network interface device structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
static irqreturn_t e1000_intr(int irq, void *data)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
	struct net_device *netdev = data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
	u32 rctl, icr = er32(ICR);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
	if (!icr || test_bit(__E1000_DOWN, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
		return IRQ_NONE;  /* Not our interrupt */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
	 * IMS will not auto-mask if INT_ASSERTED is not set, and if it is
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
	 * not set, then the adapter didn't send an interrupt
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
	if (!(icr & E1000_ICR_INT_ASSERTED))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
		return IRQ_NONE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
	 * Interrupt Auto-Mask...upon reading ICR,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	 * interrupts are masked.  No need for the
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
	 * IMC write
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
	if (icr & E1000_ICR_LSC) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
		hw->mac.get_link_status = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
		 * ICH8 workaround-- Call gig speed drop workaround on cable
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
		 * disconnect (LSC) before accessing any PHY registers
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
		    (!(er32(STATUS) & E1000_STATUS_LU)))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
			schedule_work(&adapter->downshift_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
		 * 80003ES2LAN workaround--
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
		 * For packet buffer work-around on link down event;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
		 * disable receives here in the ISR and
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
		 * reset adapter in watchdog
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
		if (netif_carrier_ok(netdev) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
		    (adapter->flags & FLAG_RX_NEEDS_RESTART)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
			/* disable receives */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
			rctl = er32(RCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
			adapter->flags |= FLAG_RX_RESTART_NOW;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
		/* guard against interrupt when we're going down */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		if (!test_bit(__E1000_DOWN, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	if (napi_schedule_prep(&adapter->napi)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
		adapter->total_tx_bytes = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
		adapter->total_tx_packets = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
		adapter->total_rx_bytes = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
		adapter->total_rx_packets = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
		__napi_schedule(&adapter->napi);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
	return IRQ_HANDLED;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
static irqreturn_t e1000_msix_other(int irq, void *data)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
	struct net_device *netdev = data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
	u32 icr = er32(ICR);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
	if (!(icr & E1000_ICR_INT_ASSERTED)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		if (!test_bit(__E1000_DOWN, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
			ew32(IMS, E1000_IMS_OTHER);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
		return IRQ_NONE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
	if (icr & adapter->eiac_mask)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		ew32(ICS, (icr & adapter->eiac_mask));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
	if (icr & E1000_ICR_OTHER) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
		if (!(icr & E1000_ICR_LSC))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
			goto no_link_interrupt;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
		hw->mac.get_link_status = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		/* guard against interrupt when we're going down */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
		if (!test_bit(__E1000_DOWN, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
no_link_interrupt:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	if (!test_bit(__E1000_DOWN, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
		ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
	return IRQ_HANDLED;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
	struct net_device *netdev = data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	adapter->total_tx_bytes = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
	adapter->total_tx_packets = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	if (!e1000_clean_tx_irq(adapter))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
		/* Ring was not completely cleaned, so fire another interrupt */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
		ew32(ICS, tx_ring->ims_val);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
	return IRQ_HANDLED;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
	struct net_device *netdev = data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
	/* Write the ITR value calculated at the end of the
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
	 * previous interrupt.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
	if (adapter->rx_ring->set_itr) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
		writel(1000000000 / (adapter->rx_ring->itr_val * 256),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
		       adapter->hw.hw_addr + adapter->rx_ring->itr_register);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
		adapter->rx_ring->set_itr = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	if (napi_schedule_prep(&adapter->napi)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
		adapter->total_rx_bytes = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
		adapter->total_rx_packets = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
		__napi_schedule(&adapter->napi);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	return IRQ_HANDLED;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
 * e1000_configure_msix - Configure MSI-X hardware
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
 * e1000_configure_msix sets up the hardware to properly
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
 * generate MSI-X interrupts.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
static void e1000_configure_msix(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
	struct e1000_ring *rx_ring = adapter->rx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	int vector = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
	u32 ctrl_ext, ivar = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	adapter->eiac_mask = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
	/* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	if (hw->mac.type == e1000_82574) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
		u32 rfctl = er32(RFCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
		rfctl |= E1000_RFCTL_ACK_DIS;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
		ew32(RFCTL, rfctl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
#define E1000_IVAR_INT_ALLOC_VALID	0x8
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	/* Configure Rx vector */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	rx_ring->ims_val = E1000_IMS_RXQ0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	adapter->eiac_mask |= rx_ring->ims_val;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	if (rx_ring->itr_val)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
		writel(1000000000 / (rx_ring->itr_val * 256),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		       hw->hw_addr + rx_ring->itr_register);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		writel(1, hw->hw_addr + rx_ring->itr_register);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
	ivar = E1000_IVAR_INT_ALLOC_VALID | vector;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	/* Configure Tx vector */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
	tx_ring->ims_val = E1000_IMS_TXQ0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
	vector++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	if (tx_ring->itr_val)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
		writel(1000000000 / (tx_ring->itr_val * 256),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
		       hw->hw_addr + tx_ring->itr_register);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
		writel(1, hw->hw_addr + tx_ring->itr_register);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
	adapter->eiac_mask |= tx_ring->ims_val;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	/* set vector for Other Causes, e.g. link changes */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	vector++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
	if (rx_ring->itr_val)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
		writel(1000000000 / (rx_ring->itr_val * 256),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		       hw->hw_addr + E1000_EITR_82574(vector));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
		writel(1, hw->hw_addr + E1000_EITR_82574(vector));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
	/* Cause Tx interrupts on every write back */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
	ivar |= (1 << 31);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
	ew32(IVAR, ivar);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	/* enable MSI-X PBA support */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
	ctrl_ext = er32(CTRL_EXT);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
	/* Auto-Mask Other interrupts upon ICR read */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
#define E1000_EIAC_MASK_82574   0x01F00000
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
	ctrl_ext |= E1000_CTRL_EXT_EIAME;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
	ew32(CTRL_EXT, ctrl_ext);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	e1e_flush();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
	if (adapter->msix_entries) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
		pci_disable_msix(adapter->pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
		kfree(adapter->msix_entries);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
		adapter->msix_entries = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	} else if (adapter->flags & FLAG_MSI_ENABLED) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		pci_disable_msi(adapter->pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
		adapter->flags &= ~FLAG_MSI_ENABLED;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
 * e1000e_set_interrupt_capability - set MSI or MSI-X if supported
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
 * Attempt to configure interrupts using the best available
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
 * capabilities of the hardware and kernel.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
	int err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	int numvecs, i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
	switch (adapter->int_mode) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
	case E1000E_INT_MODE_MSIX:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
		if (adapter->flags & FLAG_HAS_MSIX) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
			numvecs = 3; /* RxQ0, TxQ0 and other */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
			adapter->msix_entries = kcalloc(numvecs,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
						      sizeof(struct msix_entry),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
						      GFP_KERNEL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
			if (adapter->msix_entries) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
				for (i = 0; i < numvecs; i++)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
					adapter->msix_entries[i].entry = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
				err = pci_enable_msix(adapter->pdev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
						      adapter->msix_entries,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
						      numvecs);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
				if (err == 0)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
					return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
			/* MSI-X failed, so fall through and try MSI */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
			e_err("Failed to initialize MSI-X interrupts.  "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
			      "Falling back to MSI interrupts.\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
			e1000e_reset_interrupt_capability(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
		adapter->int_mode = E1000E_INT_MODE_MSI;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
		/* Fall through */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
	case E1000E_INT_MODE_MSI:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
		if (!pci_enable_msi(adapter->pdev)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
			adapter->flags |= FLAG_MSI_ENABLED;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
			adapter->int_mode = E1000E_INT_MODE_LEGACY;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
			e_err("Failed to initialize MSI interrupts.  Falling "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
			      "back to legacy interrupts.\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
		/* Fall through */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	case E1000E_INT_MODE_LEGACY:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
		/* Don't do anything; this is the system default */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
 * e1000_request_msix - Initialize MSI-X interrupts
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
 * e1000_request_msix allocates MSI-X vectors and requests interrupts from the
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
 * kernel.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
static int e1000_request_msix(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
	int err = 0, vector = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
		sprintf(adapter->rx_ring->name, "%s-rx-0", netdev->name);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
	err = request_irq(adapter->msix_entries[vector].vector,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
			  e1000_intr_msix_rx, 0, adapter->rx_ring->name,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
			  netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
		goto out;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
	adapter->rx_ring->itr_register = E1000_EITR_82574(vector);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
	adapter->rx_ring->itr_val = adapter->itr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
	vector++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
		sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
	err = request_irq(adapter->msix_entries[vector].vector,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
			  e1000_intr_msix_tx, 0, adapter->tx_ring->name,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
			  netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
		goto out;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
	adapter->tx_ring->itr_register = E1000_EITR_82574(vector);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	adapter->tx_ring->itr_val = adapter->itr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
	vector++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
	err = request_irq(adapter->msix_entries[vector].vector,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
			  e1000_msix_other, 0, netdev->name, netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
		goto out;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
	e1000_configure_msix(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
out:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
	return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
 * e1000_request_irq - initialize interrupts
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
 * Attempts to configure interrupts using the best available
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
 * capabilities of the hardware and kernel.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
static int e1000_request_irq(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
	int err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
	if (adapter->msix_entries) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
		err = e1000_request_msix(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
		if (!err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
			return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
		/* fall back to MSI */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
		e1000e_reset_interrupt_capability(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
		adapter->int_mode = E1000E_INT_MODE_MSI;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
		e1000e_set_interrupt_capability(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
	if (adapter->flags & FLAG_MSI_ENABLED) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		err = request_irq(adapter->pdev->irq, e1000_intr_msi, 0,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
				  netdev->name, netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
		if (!err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
			return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
		/* fall back to legacy interrupt */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
		e1000e_reset_interrupt_capability(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
	err = request_irq(adapter->pdev->irq, e1000_intr, IRQF_SHARED,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
			  netdev->name, netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
		e_err("Unable to allocate interrupt, Error: %d\n", err);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
	return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
static void e1000_free_irq(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	if (adapter->msix_entries) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
		int vector = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
		free_irq(adapter->msix_entries[vector].vector, netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
		vector++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
		free_irq(adapter->msix_entries[vector].vector, netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
		vector++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
		/* Other Causes interrupt vector */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
		free_irq(adapter->msix_entries[vector].vector, netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
	free_irq(adapter->pdev->irq, netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
 * e1000_irq_disable - Mask off interrupt generation on the NIC
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
static void e1000_irq_disable(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
	ew32(IMC, ~0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
	if (adapter->msix_entries)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
		ew32(EIAC_82574, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
	e1e_flush();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
	synchronize_irq(adapter->pdev->irq);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
 * e1000_irq_enable - Enable default interrupt generation settings
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
static void e1000_irq_enable(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	if (adapter->msix_entries) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
		ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
		ew32(IMS, IMS_ENABLE_MASK);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
	e1e_flush();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
 * e1000_get_hw_control - get control of the h/w from f/w
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
 * @adapter: address of board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
 * e1000_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
 * For ASF and Pass Through versions of f/w this means that
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
 * the driver is loaded. For AMT version (only with 82573)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
 * of the f/w this means that the network i/f is open.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
static void e1000_get_hw_control(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
	u32 ctrl_ext;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
	u32 swsm;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
	/* Let firmware know the driver has taken over */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
		swsm = er32(SWSM);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
		ctrl_ext = er32(CTRL_EXT);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
 * e1000_release_hw_control - release control of the h/w to f/w
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
 * @adapter: address of board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
 * e1000_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
 * For ASF and Pass Through versions of f/w this means that the
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
 * driver is no longer loaded. For AMT version (only with 82573) i
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
 * of the f/w this means that the network i/f is closed.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
static void e1000_release_hw_control(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
	u32 ctrl_ext;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	u32 swsm;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	/* Let firmware taken over control of h/w */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
		swsm = er32(SWSM);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
		ctrl_ext = er32(CTRL_EXT);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
 * @e1000_alloc_ring - allocate memory for a ring structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
				struct e1000_ring *ring)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
	ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
					GFP_KERNEL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
	if (!ring->desc)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
		return -ENOMEM;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
 * e1000e_setup_tx_resources - allocate Tx resources (Descriptors)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
 * Return 0 on success, negative on failure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	int err = -ENOMEM, size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
	size = sizeof(struct e1000_buffer) * tx_ring->count;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
	tx_ring->buffer_info = vmalloc(size);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
	if (!tx_ring->buffer_info)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
		goto err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
	memset(tx_ring->buffer_info, 0, size);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
	/* round up to nearest 4K */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	tx_ring->size = ALIGN(tx_ring->size, 4096);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	err = e1000_alloc_ring_dma(adapter, tx_ring);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
		goto err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
	tx_ring->next_to_use = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
	tx_ring->next_to_clean = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
err:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	vfree(tx_ring->buffer_info);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
	return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
 * e1000e_setup_rx_resources - allocate Rx resources (Descriptors)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
 * Returns 0 on success, negative on failure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
int e1000e_setup_rx_resources(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	struct e1000_ring *rx_ring = adapter->rx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
	struct e1000_buffer *buffer_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	int i, size, desc_len, err = -ENOMEM;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
	size = sizeof(struct e1000_buffer) * rx_ring->count;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	rx_ring->buffer_info = vmalloc(size);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
	if (!rx_ring->buffer_info)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
		goto err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
	memset(rx_ring->buffer_info, 0, size);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	for (i = 0; i < rx_ring->count; i++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
		buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
		buffer_info->ps_pages = kcalloc(PS_PAGE_BUFFERS,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
						sizeof(struct e1000_ps_page),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
						GFP_KERNEL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
		if (!buffer_info->ps_pages)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
			goto err_pages;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
	desc_len = sizeof(union e1000_rx_desc_packet_split);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
	/* Round up to nearest 4K */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	rx_ring->size = rx_ring->count * desc_len;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
	rx_ring->size = ALIGN(rx_ring->size, 4096);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	err = e1000_alloc_ring_dma(adapter, rx_ring);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
		goto err_pages;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	rx_ring->next_to_clean = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
	rx_ring->next_to_use = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
	rx_ring->rx_skb_top = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
err_pages:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
	for (i = 0; i < rx_ring->count; i++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
		buffer_info = &rx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
		kfree(buffer_info->ps_pages);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
err:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	vfree(rx_ring->buffer_info);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
	return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
 * e1000_clean_tx_ring - Free Tx Buffers
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
static void e1000_clean_tx_ring(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	struct e1000_buffer *buffer_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	unsigned long size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	unsigned int i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	for (i = 0; i < tx_ring->count; i++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
		buffer_info = &tx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
		e1000_put_txbuf(adapter, buffer_info);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	size = sizeof(struct e1000_buffer) * tx_ring->count;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	memset(tx_ring->buffer_info, 0, size);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
	memset(tx_ring->desc, 0, tx_ring->size);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
	tx_ring->next_to_use = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
	tx_ring->next_to_clean = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
	writel(0, adapter->hw.hw_addr + tx_ring->head);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
	writel(0, adapter->hw.hw_addr + tx_ring->tail);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
 * e1000e_free_tx_resources - Free Tx Resources per Queue
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
 * Free all transmit software resources
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
void e1000e_free_tx_resources(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
	e1000_clean_tx_ring(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
	vfree(tx_ring->buffer_info);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
	tx_ring->buffer_info = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
			  tx_ring->dma);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	tx_ring->desc = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
 * e1000e_free_rx_resources - Free Rx Resources
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
 * Free all receive software resources
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
void e1000e_free_rx_resources(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
	struct e1000_ring *rx_ring = adapter->rx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	int i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	e1000_clean_rx_ring(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	for (i = 0; i < rx_ring->count; i++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
		kfree(rx_ring->buffer_info[i].ps_pages);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	vfree(rx_ring->buffer_info);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	rx_ring->buffer_info = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
			  rx_ring->dma);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	rx_ring->desc = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
 * e1000_update_itr - update the dynamic ITR value based on statistics
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
 * @adapter: pointer to adapter
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
 * @itr_setting: current adapter->itr
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
 * @packets: the number of packets during this measurement interval
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
 * @bytes: the number of bytes during this measurement interval
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
 *      Stores a new ITR value based on packets and byte
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
 *      counts during the last interrupt.  The advantage of per interrupt
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
 *      computation is faster updates and more accurate ITR for the current
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
 *      traffic pattern.  Constants in this function were computed
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
 *      based on theoretical maximum wire speed and thresholds were set based
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
 *      on testing data as well as attempting to minimize response time
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
 *      while increasing bulk throughput.  This functionality is controlled
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
 *      by the InterruptThrottleRate module parameter.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
				     u16 itr_setting, int packets,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
				     int bytes)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	unsigned int retval = itr_setting;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	if (packets == 0)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
		goto update_itr_done;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	switch (itr_setting) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	case lowest_latency:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
		/* handle TSO and jumbo frames */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
		if (bytes/packets > 8000)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
			retval = bulk_latency;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
		else if ((packets < 5) && (bytes > 512)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
			retval = low_latency;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	case low_latency:  /* 50 usec aka 20000 ints/s */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
		if (bytes > 10000) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
			/* this if handles the TSO accounting */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
			if (bytes/packets > 8000) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
				retval = bulk_latency;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
			} else if ((packets < 10) || ((bytes/packets) > 1200)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
				retval = bulk_latency;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
			} else if ((packets > 35)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
				retval = lowest_latency;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
		} else if (bytes/packets > 2000) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
			retval = bulk_latency;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
		} else if (packets <= 2 && bytes < 512) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
			retval = lowest_latency;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	case bulk_latency: /* 250 usec aka 4000 ints/s */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
		if (bytes > 25000) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
			if (packets > 35) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
				retval = low_latency;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
		} else if (bytes < 6000) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
			retval = low_latency;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
update_itr_done:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	return retval;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
static void e1000_set_itr(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	u16 current_itr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
	u32 new_itr = adapter->itr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	if (adapter->link_speed != SPEED_1000) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
		current_itr = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
		new_itr = 4000;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
		goto set_itr_now;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
	adapter->tx_itr = e1000_update_itr(adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
				    adapter->tx_itr,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
				    adapter->total_tx_packets,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
				    adapter->total_tx_bytes);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
		adapter->tx_itr = low_latency;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
	adapter->rx_itr = e1000_update_itr(adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
				    adapter->rx_itr,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
				    adapter->total_rx_packets,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
				    adapter->total_rx_bytes);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
		adapter->rx_itr = low_latency;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
	switch (current_itr) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	/* counts and packets in update_itr are dependent on these numbers */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	case lowest_latency:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
		new_itr = 70000;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	case low_latency:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
		new_itr = 20000; /* aka hwitr = ~200 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
	case bulk_latency:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
		new_itr = 4000;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	default:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
set_itr_now:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	if (new_itr != adapter->itr) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
		 * this attempts to bias the interrupt rate towards Bulk
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
		 * by adding intermediate steps when interrupt rate is
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
		 * increasing
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
		new_itr = new_itr > adapter->itr ?
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
			     min(adapter->itr + (new_itr >> 2), new_itr) :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
			     new_itr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
		adapter->itr = new_itr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
		adapter->rx_ring->itr_val = new_itr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
		if (adapter->msix_entries)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
			adapter->rx_ring->set_itr = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
		else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
			ew32(ITR, 1000000000 / (new_itr * 256));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
 * e1000_alloc_queues - Allocate memory for all rings
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
 * @adapter: board private structure to initialize
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
	adapter->tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	if (!adapter->tx_ring)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
		goto err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	adapter->rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	if (!adapter->rx_ring)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
		goto err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
err:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	e_err("Unable to allocate memory for queues\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	kfree(adapter->rx_ring);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
	kfree(adapter->tx_ring);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	return -ENOMEM;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
 * e1000_clean - NAPI Rx polling callback
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
 * @napi: struct associated with this polling callback
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
 * @budget: amount of packets driver is allowed to process this poll
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
static int e1000_clean(struct napi_struct *napi, int budget)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	struct net_device *poll_dev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	int tx_cleaned = 1, work_done = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	adapter = netdev_priv(poll_dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	if (adapter->msix_entries &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	    !(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
		goto clean_rx;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	tx_cleaned = e1000_clean_tx_irq(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
clean_rx:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
	adapter->clean_rx(adapter, &work_done, budget);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	if (!tx_cleaned)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
		work_done = budget;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
	/* If budget not fully consumed, exit the polling mode */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
	if (work_done < budget) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
		if (adapter->itr_setting & 3)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
			e1000_set_itr(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
		napi_complete(napi);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		if (!test_bit(__E1000_DOWN, &adapter->state)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
			if (adapter->msix_entries)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
				ew32(IMS, adapter->rx_ring->ims_val);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
			else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
				e1000_irq_enable(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
	return work_done;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
	u32 vfta, index;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
	/* don't update vlan cookie if already programmed */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
	if ((adapter->hw.mng_cookie.status &
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
	    (vid == adapter->mng_vlan_id))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
	/* add VID to filter table */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
		index = (vid >> 5) & 0x7F;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
		vfta |= (1 << (vid & 0x1F));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
		hw->mac.ops.write_vfta(hw, index, vfta);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
	u32 vfta, index;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
	if (!test_bit(__E1000_DOWN, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
		e1000_irq_disable(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	if (!test_bit(__E1000_DOWN, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
		e1000_irq_enable(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	if ((adapter->hw.mng_cookie.status &
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	    (vid == adapter->mng_vlan_id)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
		/* release control to f/w */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
		e1000_release_hw_control(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
	/* remove VID from filter table */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
		index = (vid >> 5) & 0x7F;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
		vfta &= ~(1 << (vid & 0x1F));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
		hw->mac.ops.write_vfta(hw, index, vfta);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
	u16 vid = adapter->hw.mng_cookie.vlan_id;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	u16 old_vid = adapter->mng_vlan_id;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
	if (!adapter->vlgrp)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
	if (!vlan_group_get_device(adapter->vlgrp, vid)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
		adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
		if (adapter->hw.mng_cookie.status &
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
			e1000_vlan_rx_add_vid(netdev, vid);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
			adapter->mng_vlan_id = vid;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
				(vid != old_vid) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		    !vlan_group_get_device(adapter->vlgrp, old_vid))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
			e1000_vlan_rx_kill_vid(netdev, old_vid);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
		adapter->mng_vlan_id = vid;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
static void e1000_vlan_rx_register(struct net_device *netdev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
				   struct vlan_group *grp)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	u32 ctrl, rctl;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	if (!test_bit(__E1000_DOWN, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
		e1000_irq_disable(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	adapter->vlgrp = grp;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	if (grp) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
		/* enable VLAN tag insert/strip */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
		ctrl = er32(CTRL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
		ctrl |= E1000_CTRL_VME;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
		ew32(CTRL, ctrl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
			/* enable VLAN receive filtering */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
			rctl = er32(RCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
			rctl &= ~E1000_RCTL_CFIEN;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
			ew32(RCTL, rctl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
			e1000_update_mng_vlan(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
		/* disable VLAN tag insert/strip */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
		ctrl = er32(CTRL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
		ctrl &= ~E1000_CTRL_VME;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
		ew32(CTRL, ctrl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
			if (adapter->mng_vlan_id !=
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
			    (u16)E1000_MNG_VLAN_NONE) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
				e1000_vlan_rx_kill_vid(netdev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
						       adapter->mng_vlan_id);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
	if (!test_bit(__E1000_DOWN, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
		e1000_irq_enable(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
static void e1000_restore_vlan(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	u16 vid;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
	if (!adapter->vlgrp)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
		if (!vlan_group_get_device(adapter->vlgrp, vid))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
			continue;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
		e1000_vlan_rx_add_vid(adapter->netdev, vid);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
static void e1000_init_manageability_pt(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
	u32 manc, manc2h, mdef, i, j;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
	manc = er32(MANC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
	 * enable receiving management packets to the host. this will probably
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
	 * generate destination unreachable messages from the host OS, but
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
	 * the packets will be handled on SMBUS
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	manc |= E1000_MANC_EN_MNG2HOST;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
	manc2h = er32(MANC2H);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
	switch (hw->mac.type) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
	default:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
		manc2h |= (E1000_MANC2H_PORT_623 | E1000_MANC2H_PORT_664);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
	case e1000_82574:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
	case e1000_82583:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
		 * Check if IPMI pass-through decision filter already exists;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
		 * if so, enable it.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
		for (i = 0, j = 0; i < 8; i++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
			mdef = er32(MDEF(i));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
			/* Ignore filters with anything other than IPMI ports */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
			if (mdef & ~(E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
				continue;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
			/* Enable this decision filter in MANC2H */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
			if (mdef)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
				manc2h |= (1 << i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
			j |= mdef;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
		if (j == (E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
		/* Create new decision filter in an empty filter */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
		for (i = 0, j = 0; i < 8; i++)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
			if (er32(MDEF(i)) == 0) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
				ew32(MDEF(i), (E1000_MDEF_PORT_623 |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
					       E1000_MDEF_PORT_664));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
				manc2h |= (1 << 1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
				j++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
				break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
		if (!j)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
			e_warn("Unable to create IPMI pass-through filter\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
	ew32(MANC2H, manc2h);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	ew32(MANC, manc);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
 * Configure the Tx unit of the MAC after a reset.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
static void e1000_configure_tx(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
	u64 tdba;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
	u32 tdlen, tctl, tipg, tarc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
	u32 ipgr1, ipgr2;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
	/* Setup the HW Tx Head and Tail descriptor pointers */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
	tdba = tx_ring->dma;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
	tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
	ew32(TDBAL, (tdba & DMA_BIT_MASK(32)));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
	ew32(TDBAH, (tdba >> 32));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
	ew32(TDLEN, tdlen);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
	ew32(TDH, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
	ew32(TDT, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
	tx_ring->head = E1000_TDH;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
	tx_ring->tail = E1000_TDT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
	/* Set the default values for the Tx Inter Packet Gap timer */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
	tipg = DEFAULT_82543_TIPG_IPGT_COPPER;          /*  8  */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	ipgr1 = DEFAULT_82543_TIPG_IPGR1;               /*  8  */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
	ipgr2 = DEFAULT_82543_TIPG_IPGR2;               /*  6  */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
	if (adapter->flags & FLAG_TIPG_MEDIUM_FOR_80003ESLAN)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2; /*  7  */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	ew32(TIPG, tipg);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
	/* Set the Tx Interrupt Delay register */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	ew32(TIDV, adapter->tx_int_delay);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	/* Tx irq moderation */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	ew32(TADV, adapter->tx_abs_int_delay);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	/* Program the Transmit Control Register */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	tctl = er32(TCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
	tctl &= ~E1000_TCTL_CT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
	if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
		tarc = er32(TARC(0));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
		 * set the speed mode bit, we'll clear it if we're not at
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
		 * gigabit link later
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
#define SPEED_MODE_BIT (1 << 21)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
		tarc |= SPEED_MODE_BIT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
		ew32(TARC(0), tarc);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
	/* errata: program both queues to unweighted RR */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
	if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
		tarc = er32(TARC(0));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
		tarc |= 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
		ew32(TARC(0), tarc);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
		tarc = er32(TARC(1));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
		tarc |= 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
		ew32(TARC(1), tarc);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
	/* Setup Transmit Descriptor Settings for eop descriptor */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
	/* only set IDE if we are delaying interrupts using the timers */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
	if (adapter->tx_int_delay)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
	/* enable Report Status bit */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
	adapter->txd_cmd |= E1000_TXD_CMD_RS;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	ew32(TCTL, tctl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	e1000e_config_collision_dist(hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
 * e1000_setup_rctl - configure the receive control registers
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
 * @adapter: Board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
			   (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
static void e1000_setup_rctl(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
	u32 rctl, rfctl;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	u32 psrctl = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	u32 pages = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	/* Program MC offset vector base */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	rctl = er32(RCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
		(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	/* Do not Store bad packets */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	rctl &= ~E1000_RCTL_SBP;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	/* Enable Long Packet receive */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
		rctl &= ~E1000_RCTL_LPE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
		rctl |= E1000_RCTL_LPE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
	/* Some systems expect that the CRC is included in SMBUS traffic. The
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
	 * hardware strips the CRC before sending to both SMBUS (BMC) and to
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
	 * host memory when this is enabled
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
		rctl |= E1000_RCTL_SECRC;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
	/* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
		u16 phy_data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
		e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
		phy_data &= 0xfff8;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
		phy_data |= (1 << 2);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
		e1e_wphy(hw, PHY_REG(770, 26), phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
		e1e_rphy(hw, 22, &phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
		phy_data &= 0x0fff;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		phy_data |= (1 << 14);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
		e1e_wphy(hw, 0x10, 0x2823);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
		e1e_wphy(hw, 0x11, 0x0003);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
		e1e_wphy(hw, 22, phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
	/* Setup buffer sizes */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
	rctl &= ~E1000_RCTL_SZ_4096;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
	rctl |= E1000_RCTL_BSEX;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
	switch (adapter->rx_buffer_len) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	case 2048:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
	default:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
		rctl |= E1000_RCTL_SZ_2048;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
		rctl &= ~E1000_RCTL_BSEX;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	case 4096:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
		rctl |= E1000_RCTL_SZ_4096;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
	case 8192:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
		rctl |= E1000_RCTL_SZ_8192;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
	case 16384:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
		rctl |= E1000_RCTL_SZ_16384;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
	 * 82571 and greater support packet-split where the protocol
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
	 * header is placed in skb->data and the packet data is
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	 * In the case of a non-split, skb->data is linearly filled,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
	 * followed by the page buffers.  Therefore, skb->data is
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
	 * sized to hold the largest protocol header.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	 * allocations using alloc_page take too long for regular MTU
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
	 * so only enable packet split for jumbo frames
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
	 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
	 * Using pages when the page size is greater than 16k wastes
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
	 * a lot of memory, since we allocate 3 pages at all times
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	 * per packet.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	if (!(adapter->flags & FLAG_IS_ICH) && (pages <= 3) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	    (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
		adapter->rx_ps_pages = pages;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
		adapter->rx_ps_pages = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
	if (adapter->rx_ps_pages) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
		/* Configure extra packet-split registers */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
		rfctl = er32(RFCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
		rfctl |= E1000_RFCTL_EXTEN;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
		 * disable packet split support for IPv6 extension headers,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
		 * because some malformed IPv6 headers can hang the Rx
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
			  E1000_RFCTL_NEW_IPV6_EXT_DIS);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
		ew32(RFCTL, rfctl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
		/* Enable Packet split descriptors */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
		rctl |= E1000_RCTL_DTYP_PS;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
		psrctl |= adapter->rx_ps_bsize0 >>
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
			E1000_PSRCTL_BSIZE0_SHIFT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
		switch (adapter->rx_ps_pages) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
		case 3:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
			psrctl |= PAGE_SIZE <<
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
				E1000_PSRCTL_BSIZE3_SHIFT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
		case 2:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
			psrctl |= PAGE_SIZE <<
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
				E1000_PSRCTL_BSIZE2_SHIFT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
		case 1:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
			psrctl |= PAGE_SIZE >>
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
				E1000_PSRCTL_BSIZE1_SHIFT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
		ew32(PSRCTL, psrctl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
	ew32(RCTL, rctl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
	/* just started the receive unit, no need to restart */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
	adapter->flags &= ~FLAG_RX_RESTART_NOW;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
 * e1000_configure_rx - Configure Receive Unit after Reset
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
 * Configure the Rx unit of the MAC after a reset.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
static void e1000_configure_rx(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	struct e1000_ring *rx_ring = adapter->rx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
	u64 rdba;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	u32 rdlen, rctl, rxcsum, ctrl_ext;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	if (adapter->rx_ps_pages) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
		/* this is a 32 byte descriptor */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
		rdlen = rx_ring->count *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
			sizeof(union e1000_rx_desc_packet_split);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
		adapter->clean_rx = e1000_clean_rx_irq_ps;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
	} else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
		adapter->clean_rx = e1000_clean_rx_irq;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	/* disable receives while setting up the descriptors */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	rctl = er32(RCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
	e1e_flush();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	msleep(10);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
	/* set the Receive Delay Timer Register */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
	ew32(RDTR, adapter->rx_int_delay);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	/* irq moderation */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
	ew32(RADV, adapter->rx_abs_int_delay);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	if (adapter->itr_setting != 0)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
		ew32(ITR, 1000000000 / (adapter->itr * 256));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
	ctrl_ext = er32(CTRL_EXT);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
	/* Auto-Mask interrupts upon ICR access */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
	ctrl_ext |= E1000_CTRL_EXT_IAME;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	ew32(IAM, 0xffffffff);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
	ew32(CTRL_EXT, ctrl_ext);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
	e1e_flush();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	 * Setup the HW Rx Head and Tail Descriptor Pointers and
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	 * the Base and Length of the Rx Descriptor Ring
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	rdba = rx_ring->dma;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
	ew32(RDBAL, (rdba & DMA_BIT_MASK(32)));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	ew32(RDBAH, (rdba >> 32));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
	ew32(RDLEN, rdlen);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
	ew32(RDH, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
	ew32(RDT, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	rx_ring->head = E1000_RDH;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	rx_ring->tail = E1000_RDT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
	/* Enable Receive Checksum Offload for TCP and UDP */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	rxcsum = er32(RXCSUM);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	if (adapter->flags & FLAG_RX_CSUM_ENABLED) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
		rxcsum |= E1000_RXCSUM_TUOFL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
		 * IPv4 payload checksum for UDP fragments must be
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
		 * used in conjunction with packet-split.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
		if (adapter->rx_ps_pages)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
			rxcsum |= E1000_RXCSUM_IPPCSE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
		rxcsum &= ~E1000_RXCSUM_TUOFL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
		/* no need to clear IPPCSE as it defaults to 0 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
	ew32(RXCSUM, rxcsum);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
	 * Enable early receives on supported devices, only takes effect when
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
	 * packet size is equal or larger than the specified value (in 8 byte
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	 * units), e.g. using jumbo frames when setting to E1000_ERT_2048
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
	if (adapter->flags & FLAG_HAS_ERT) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
			u32 rxdctl = er32(RXDCTL(0));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
			ew32(RXDCTL(0), rxdctl | 0x3);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
			ew32(ERT, E1000_ERT_2048 | (1 << 13));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
			/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
			 * With jumbo frames and early-receive enabled,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
			 * excessive C-state transition latencies result in
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
			 * dropped transactions.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
			 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
			pm_qos_update_request(
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
				adapter->netdev->pm_qos_req, 55);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
			pm_qos_update_request(
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
				adapter->netdev->pm_qos_req,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
				PM_QOS_DEFAULT_VALUE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	/* Enable Receives */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
	ew32(RCTL, rctl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
 *  e1000_update_mc_addr_list - Update Multicast addresses
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
 *  @hw: pointer to the HW structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
 *  @mc_addr_list: array of multicast addresses to program
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
 *  @mc_addr_count: number of multicast addresses to program
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
 *  Updates the Multicast Table Array.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
 *  The caller must have a packed mc_addr_list of multicast addresses.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
static void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
				      u32 mc_addr_count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
	hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, mc_addr_count);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
 * e1000_set_multi - Multicast and Promiscuous mode set
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
 * @netdev: network interface device structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
 * The set_multi entry point is called whenever the multicast address
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
 * list or the network interface flags are updated.  This routine is
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
 * responsible for configuring the hardware for proper multicast,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
 * promiscuous mode, and all-multi behavior.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
static void e1000_set_multi(struct net_device *netdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
	struct netdev_hw_addr *ha;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
	u8  *mta_list;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
	u32 rctl;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
	int i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	/* Check for Promiscuous and All Multicast modes */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	rctl = er32(RCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
	if (netdev->flags & IFF_PROMISC) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
		rctl &= ~E1000_RCTL_VFE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
		if (netdev->flags & IFF_ALLMULTI) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
			rctl |= E1000_RCTL_MPE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
			rctl &= ~E1000_RCTL_UPE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
		} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
			rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
			rctl |= E1000_RCTL_VFE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
	ew32(RCTL, rctl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
	if (!netdev_mc_empty(netdev)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		mta_list = kmalloc(netdev_mc_count(netdev) * 6, GFP_ATOMIC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		if (!mta_list)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
			return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
		/* prepare a packed array of only addresses. */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
		i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
		netdev_for_each_mc_addr(ha, netdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
			memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
		e1000_update_mc_addr_list(hw, mta_list, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
		kfree(mta_list);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
		 * if we're called from probe, we might not have
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		 * anything to do here, so clear out the list
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
		e1000_update_mc_addr_list(hw, NULL, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
 * e1000_configure - configure the hardware for Rx and Tx
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
 * @adapter: private board structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
static void e1000_configure(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
	e1000_set_multi(adapter->netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	e1000_restore_vlan(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	e1000_init_manageability_pt(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	e1000_configure_tx(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
	e1000_setup_rctl(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
	e1000_configure_rx(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
	adapter->alloc_rx_buf(adapter, e1000_desc_unused(adapter->rx_ring));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
 * e1000e_power_up_phy - restore link in case the phy was powered down
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
 * @adapter: address of board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
 * The phy may be powered down to save power and turn off link when the
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
 * driver is unloaded and wake on lan is not enabled (among others)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
 * *** this routine MUST be followed by a call to e1000e_reset ***
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
void e1000e_power_up_phy(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
	if (adapter->hw.phy.ops.power_up)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
		adapter->hw.phy.ops.power_up(&adapter->hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
	adapter->hw.mac.ops.setup_link(&adapter->hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
 * e1000_power_down_phy - Power down the PHY
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
 * Power down the PHY so no link is implied when interface is down.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
 * The PHY cannot be powered down if management or WoL is active.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
static void e1000_power_down_phy(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	/* WoL is enabled */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
	if (adapter->wol)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
	if (adapter->hw.phy.ops.power_down)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
		adapter->hw.phy.ops.power_down(&adapter->hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
 * e1000e_reset - bring the hardware into a known good state
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
 * This function boots the hardware and enables some settings that
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
 * require a configuration cycle of the hardware - those cannot be
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
 * set/changed during runtime. After reset the device needs to be
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
 * properly configured for Rx, Tx etc.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
void e1000e_reset(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	struct e1000_mac_info *mac = &adapter->hw.mac;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	struct e1000_fc_info *fc = &adapter->hw.fc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
	u32 tx_space, min_tx_space, min_rx_space;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
	u32 pba = adapter->pba;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
	u16 hwm;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
	/* reset Packet Buffer Allocation to default */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
	ew32(PBA, pba);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
		 * To maintain wire speed transmits, the Tx FIFO should be
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
		 * large enough to accommodate two full transmit packets,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
		 * the Rx FIFO should be large enough to accommodate at least
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
		 * one full receive packet and is similarly rounded up and
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
		 * expressed in KB.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
		pba = er32(PBA);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
		/* upper 16 bits has Tx packet buffer allocation size in KB */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
		tx_space = pba >> 16;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
		/* lower 16 bits has Rx packet buffer allocation size in KB */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
		pba &= 0xffff;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
		 * the Tx fifo also stores 16 bytes of information about the tx
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
		 * but don't include ethernet FCS because hardware appends it
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
		min_tx_space = (adapter->max_frame_size +
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
				sizeof(struct e1000_tx_desc) -
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
				ETH_FCS_LEN) * 2;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
		min_tx_space = ALIGN(min_tx_space, 1024);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
		min_tx_space >>= 10;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
		/* software strips receive CRC, so leave room for it */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
		min_rx_space = adapter->max_frame_size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
		min_rx_space = ALIGN(min_rx_space, 1024);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
		min_rx_space >>= 10;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
		 * If current Tx allocation is less than the min Tx FIFO size,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		 * and the min Tx FIFO size is less than the current Rx FIFO
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
		 * allocation, take space away from current Rx allocation
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
		if ((tx_space < min_tx_space) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
		    ((min_tx_space - tx_space) < pba)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
			pba -= min_tx_space - tx_space;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
			/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
			 * if short on Rx space, Rx wins and must trump tx
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
			 * adjustment or use Early Receive if available
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
			 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
			if ((pba < min_rx_space) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
			    (!(adapter->flags & FLAG_HAS_ERT)))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
				/* ERT enabled in e1000_configure_rx */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
				pba = min_rx_space;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
		ew32(PBA, pba);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
	 * flow control settings
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
	 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
	 * The high water mark must be low enough to fit one full frame
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
	 * (or the size used for early receive) above it in the Rx FIFO.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
	 * Set it to the lower of:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
	 * - 90% of the Rx FIFO size, and
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	 * - the full Rx FIFO size minus the early receive size (for parts
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
	 * - the full Rx FIFO size minus one full frame
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
	if (hw->mac.type == e1000_pchlan) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
		 * Workaround PCH LOM adapter hangs with certain network
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
		 * loads.  If hangs persist, try disabling Tx flow control.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
			fc->high_water = 0x3500;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
			fc->low_water  = 0x1500;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
		} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
			fc->high_water = 0x5000;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
			fc->low_water  = 0x3000;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
		fc->refresh_time = 0x1000;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
		if ((adapter->flags & FLAG_HAS_ERT) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
		    (adapter->netdev->mtu > ETH_DATA_LEN))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
			hwm = min(((pba << 10) * 9 / 10),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
				  ((pba << 10) - (E1000_ERT_2048 << 3)));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
		else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
			hwm = min(((pba << 10) * 9 / 10),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
				  ((pba << 10) - adapter->max_frame_size));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
		fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
		fc->low_water = fc->high_water - 8;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
		fc->pause_time = 0xFFFF;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
		fc->pause_time = E1000_FC_PAUSE_TIME;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
	fc->send_xon = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
	fc->current_mode = fc->requested_mode;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
	/* Allow time for pending master requests to run */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	mac->ops.reset_hw(hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
	 * For parts with AMT enabled, let the firmware know
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
	 * that the network interface is in control
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	if (adapter->flags & FLAG_HAS_AMT)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
		e1000_get_hw_control(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
	ew32(WUC, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
		e1e_wphy(&adapter->hw, BM_WUC, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
	if (mac->ops.init_hw(hw))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
		e_err("Hardware Error\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
	e1000_update_mng_vlan(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	ew32(VET, ETH_P_8021Q);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
	e1000e_reset_adaptive(hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
	e1000_get_phy_info(hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	    !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
		u16 phy_data = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
		 * speed up time to link by disabling smart power down, ignore
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
		 * the return value of this function because there is nothing
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
		 * different we would do if it failed
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
		e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
		phy_data &= ~IGP02E1000_PM_SPD;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
		e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
int e1000e_up(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	/* DMA latency requirement to workaround early-receive/jumbo issue */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	if (adapter->flags & FLAG_HAS_ERT)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
		adapter->netdev->pm_qos_req =
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
			pm_qos_add_request(PM_QOS_CPU_DMA_LATENCY,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
				       PM_QOS_DEFAULT_VALUE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	/* hardware has been reset, we need to reload some things */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
	e1000_configure(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
	clear_bit(__E1000_DOWN, &adapter->state);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
	napi_enable(&adapter->napi);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
	if (adapter->msix_entries)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
		e1000_configure_msix(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
	e1000_irq_enable(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	netif_wake_queue(adapter->netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	/* fire a link change interrupt to start the watchdog */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	if (adapter->msix_entries)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
		ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
		ew32(ICS, E1000_ICS_LSC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
void e1000e_down(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
	u32 tctl, rctl;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
	 * signal that we're down so the interrupt handler does not
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
	 * reschedule our watchdog timer
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
	set_bit(__E1000_DOWN, &adapter->state);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
	/* disable receives in the hardware */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
	rctl = er32(RCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
	/* flush and sleep below */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
	netif_stop_queue(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
	/* disable transmits in the hardware */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
	tctl = er32(TCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
	tctl &= ~E1000_TCTL_EN;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
	ew32(TCTL, tctl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
	/* flush both disables and wait for them to finish */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	e1e_flush();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
	msleep(10);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
	napi_disable(&adapter->napi);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
	e1000_irq_disable(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	del_timer_sync(&adapter->watchdog_timer);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	del_timer_sync(&adapter->phy_info_timer);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	netif_carrier_off(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	adapter->link_speed = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	adapter->link_duplex = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	if (!pci_channel_offline(adapter->pdev))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
		e1000e_reset(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
	e1000_clean_tx_ring(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	e1000_clean_rx_ring(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	if (adapter->flags & FLAG_HAS_ERT) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
		pm_qos_remove_request(
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
			      adapter->netdev->pm_qos_req);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
		adapter->netdev->pm_qos_req = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
	 * TODO: for power management, we could drop the link and
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	 * pci_disable_device here.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
void e1000e_reinit_locked(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
	might_sleep();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
		msleep(1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
	e1000e_down(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	e1000e_up(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
	clear_bit(__E1000_RESETTING, &adapter->state);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
 * @adapter: board private structure to initialize
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
 * e1000_sw_init initializes the Adapter private data structure.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
 * Fields are initialized based on PCI device information and
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
 * OS network device settings (MTU size).
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
	adapter->rx_ps_bsize0 = 128;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
	e1000e_set_interrupt_capability(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
	if (e1000_alloc_queues(adapter))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
		return -ENOMEM;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	/* Explicitly disable IRQ since the NIC can be in any state. */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
	e1000_irq_disable(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	set_bit(__E1000_DOWN, &adapter->state);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
 * e1000_intr_msi_test - Interrupt Handler
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
 * @irq: interrupt number
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
 * @data: pointer to a network interface device structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
static irqreturn_t e1000_intr_msi_test(int irq, void *data)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
	struct net_device *netdev = data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
	u32 icr = er32(ICR);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
	e_dbg("icr is %08X\n", icr);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	if (icr & E1000_ICR_RXSEQ) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
		wmb();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	return IRQ_HANDLED;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
 * e1000_test_msi_interrupt - Returns 0 for successful test
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
 * @adapter: board private struct
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
 * code flow taken from tg3.c
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
	int err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	/* poll_enable hasn't been called yet, so don't need disable */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	/* clear any pending events */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	er32(ICR);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
	/* free the real vector and request a test handler */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	e1000_free_irq(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	e1000e_reset_interrupt_capability(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	/* Assume that the test fails, if it succeeds then the test
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
	 * MSI irq handler will unset this flag */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
	adapter->flags |= FLAG_MSI_TEST_FAILED;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
	err = pci_enable_msi(adapter->pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
		goto msi_test_failed;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
	err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
			  netdev->name, netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
	if (err) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
		pci_disable_msi(adapter->pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
		goto msi_test_failed;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
	wmb();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
	e1000_irq_enable(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
	/* fire an unusual interrupt on the test handler */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	ew32(ICS, E1000_ICS_RXSEQ);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	e1e_flush();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	msleep(50);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
	e1000_irq_disable(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	rmb();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
		err = -EIO;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
		e_info("MSI interrupt test failed!\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
	free_irq(adapter->pdev->irq, netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	pci_disable_msi(adapter->pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	if (err == -EIO)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
		goto msi_test_failed;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
	/* okay so the test worked, restore settings */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	e_dbg("MSI interrupt test succeeded!\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
msi_test_failed:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	e1000e_set_interrupt_capability(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	e1000_request_irq(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
 * e1000_test_msi - Returns 0 if MSI test succeeds or INTx mode is restored
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
 * @adapter: board private struct
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
 * code flow taken from tg3.c, called with e1000 interrupts disabled.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
static int e1000_test_msi(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
	int err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
	u16 pci_cmd;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	if (!(adapter->flags & FLAG_MSI_ENABLED))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
		return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
	/* disable SERR in case the MSI write causes a master abort */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
	if (pci_cmd & PCI_COMMAND_SERR)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
		pci_write_config_word(adapter->pdev, PCI_COMMAND,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
				      pci_cmd & ~PCI_COMMAND_SERR);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	err = e1000_test_msi_interrupt(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	/* re-enable SERR */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	if (pci_cmd & PCI_COMMAND_SERR) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
		pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
		pci_cmd |= PCI_COMMAND_SERR;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
		pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	/* success ! */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	if (!err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
		return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	/* EIO means MSI test failed */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
	if (err != -EIO)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
		return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	/* back to INTx mode */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	e_warn("MSI interrupt test failed, using legacy interrupt.\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	e1000_free_irq(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
	err = e1000_request_irq(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
	return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
 * e1000_open - Called when a network interface is made active
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
 * @netdev: network interface device structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
 * Returns 0 on success, negative value on failure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
 * The open entry point is called when a network interface is made
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
 * active by the system (IFF_UP).  At this point all resources needed
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
 * for transmit and receive operations are allocated, the interrupt
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
 * handler is registered with the OS, the watchdog timer is started,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
 * and the stack is notified that the interface is ready.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
static int e1000_open(struct net_device *netdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	int err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	/* disallow open during test */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	if (test_bit(__E1000_TESTING, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
		return -EBUSY;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
	pm_runtime_get_sync(&pdev->dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
	netif_carrier_off(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
	/* allocate transmit descriptors */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
	err = e1000e_setup_tx_resources(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
		goto err_setup_tx;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	/* allocate receive descriptors */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	err = e1000e_setup_rx_resources(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
		goto err_setup_rx;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
	 * If AMT is enabled, let the firmware know that the network
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
	 * interface is now open and reset the part to a known state.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	if (adapter->flags & FLAG_HAS_AMT) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
		e1000_get_hw_control(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
		e1000e_reset(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	e1000e_power_up_phy(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	if ((adapter->hw.mng_cookie.status &
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
		e1000_update_mng_vlan(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	 * before we allocate an interrupt, we must be ready to handle it.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
	 * as soon as we call pci_request_irq, so we have to setup our
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
	 * clean_rx handler before we do so.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	e1000_configure(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
	err = e1000_request_irq(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
		goto err_req_irq;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	 * Work around PCIe errata with MSI interrupts causing some chipsets to
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
	 * ignore e1000e MSI messages, which means we need to test our MSI
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	 * interrupt now
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
	if (adapter->int_mode != E1000E_INT_MODE_LEGACY) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
		err = e1000_test_msi(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
		if (err) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
			e_err("Interrupt allocation failed\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
			goto err_req_irq;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
	/* From here on the code is the same as e1000e_up() */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	clear_bit(__E1000_DOWN, &adapter->state);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	napi_enable(&adapter->napi);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
	e1000_irq_enable(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	netif_start_queue(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	adapter->idle_check = true;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
	pm_runtime_put(&pdev->dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
	/* fire a link status change interrupt to start the watchdog */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
	if (adapter->msix_entries)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
		ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
		ew32(ICS, E1000_ICS_LSC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
err_req_irq:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	e1000_release_hw_control(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
	e1000_power_down_phy(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	e1000e_free_rx_resources(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
err_setup_rx:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	e1000e_free_tx_resources(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
err_setup_tx:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	e1000e_reset(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
	pm_runtime_put_sync(&pdev->dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
 * e1000_close - Disables a network interface
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
 * @netdev: network interface device structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
 * Returns 0, this is not allowed to fail
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
 * The close entry point is called when an interface is de-activated
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
 * by the OS.  The hardware is still under the drivers control, but
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
 * needs to be disabled.  A global MAC reset is issued to stop the
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
 * hardware, and all transmit and receive resources are freed.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
static int e1000_close(struct net_device *netdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
	pm_runtime_get_sync(&pdev->dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
	if (!test_bit(__E1000_DOWN, &adapter->state)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
		e1000e_down(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
		e1000_free_irq(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
	e1000_power_down_phy(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
	e1000e_free_tx_resources(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
	e1000e_free_rx_resources(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	 * kill manageability vlan ID if supported, but not if a vlan with
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
	 * the same ID is registered on the host OS (let 8021q kill it)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	if ((adapter->hw.mng_cookie.status &
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
	     !(adapter->vlgrp &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id)))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
	 * If AMT is enabled, let the firmware know that the network
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
	 * interface is now closed
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
	if (adapter->flags & FLAG_HAS_AMT)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
		e1000_release_hw_control(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
	pm_runtime_put_sync(&pdev->dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
 * e1000_set_mac - Change the Ethernet Address of the NIC
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
 * @netdev: network interface device structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
 * @p: pointer to an address structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
 * Returns 0 on success, negative on failure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
static int e1000_set_mac(struct net_device *netdev, void *p)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
	struct sockaddr *addr = p;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	if (!is_valid_ether_addr(addr->sa_data))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
		return -EADDRNOTAVAIL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
	memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	e1000e_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
		/* activate the work around */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
		e1000e_set_laa_state_82571(&adapter->hw, 1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
		 * Hold a copy of the LAA in RAR[14] This is done so that
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
		 * between the time RAR[0] gets clobbered  and the time it
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
		 * of the RARs and no incoming packets directed to this port
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
		 * are dropped. Eventually the LAA will be in RAR[0] and
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
		 * RAR[14]
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
		e1000e_rar_set(&adapter->hw,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
			      adapter->hw.mac.addr,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
			      adapter->hw.mac.rar_entry_count - 1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
 * e1000e_update_phy_task - work thread to update phy
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
 * @work: pointer to our work struct
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
 * this worker thread exists because we must acquire a
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
 * semaphore to read the phy, which we could msleep while
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
 * waiting for it, and we can't msleep in a timer.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
static void e1000e_update_phy_task(struct work_struct *work)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
	struct e1000_adapter *adapter = container_of(work,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
					struct e1000_adapter, update_phy_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
	e1000_get_phy_info(&adapter->hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
 * Need to wait a few seconds after link up to get diagnostic information from
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
 * the phy
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
static void e1000_update_phy_info(unsigned long data)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
	schedule_work(&adapter->update_phy_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
 * e1000e_update_stats - Update the board statistics counters
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
void e1000e_update_stats(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	u16 phy_data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
	 * Prevent stats update while adapter is being reset, or if the pci
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
	 * connection is down.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
	if (adapter->link_speed == 0)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
	if (pci_channel_offline(pdev))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
	adapter->stats.crcerrs += er32(CRCERRS);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
	adapter->stats.gprc += er32(GPRC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
	adapter->stats.gorc += er32(GORCL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
	er32(GORCH); /* Clear gorc */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
	adapter->stats.bprc += er32(BPRC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
	adapter->stats.mprc += er32(MPRC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
	adapter->stats.roc += er32(ROC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
	adapter->stats.mpc += er32(MPC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
	if ((hw->phy.type == e1000_phy_82578) ||
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
	    (hw->phy.type == e1000_phy_82577)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
		e1e_rphy(hw, HV_SCC_UPPER, &phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
		if (!e1e_rphy(hw, HV_SCC_LOWER, &phy_data))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
			adapter->stats.scc += phy_data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
		e1e_rphy(hw, HV_ECOL_UPPER, &phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
		if (!e1e_rphy(hw, HV_ECOL_LOWER, &phy_data))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
			adapter->stats.ecol += phy_data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
		e1e_rphy(hw, HV_MCC_UPPER, &phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
		if (!e1e_rphy(hw, HV_MCC_LOWER, &phy_data))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
			adapter->stats.mcc += phy_data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
		e1e_rphy(hw, HV_LATECOL_UPPER, &phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
		if (!e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
			adapter->stats.latecol += phy_data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
		e1e_rphy(hw, HV_DC_UPPER, &phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
		if (!e1e_rphy(hw, HV_DC_LOWER, &phy_data))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
			adapter->stats.dc += phy_data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
		adapter->stats.scc += er32(SCC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
		adapter->stats.ecol += er32(ECOL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
		adapter->stats.mcc += er32(MCC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
		adapter->stats.latecol += er32(LATECOL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
		adapter->stats.dc += er32(DC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
	adapter->stats.xonrxc += er32(XONRXC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	adapter->stats.xontxc += er32(XONTXC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	adapter->stats.xoffrxc += er32(XOFFRXC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	adapter->stats.xofftxc += er32(XOFFTXC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
	adapter->stats.gptc += er32(GPTC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
	adapter->stats.gotc += er32(GOTCL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	er32(GOTCH); /* Clear gotc */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
	adapter->stats.rnbc += er32(RNBC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	adapter->stats.ruc += er32(RUC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
	adapter->stats.mptc += er32(MPTC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
	adapter->stats.bptc += er32(BPTC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
	/* used for adaptive IFS */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
	hw->mac.tx_packet_delta = er32(TPT);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
	adapter->stats.tpt += hw->mac.tx_packet_delta;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
	if ((hw->phy.type == e1000_phy_82578) ||
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	    (hw->phy.type == e1000_phy_82577)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
		e1e_rphy(hw, HV_COLC_UPPER, &phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
		if (!e1e_rphy(hw, HV_COLC_LOWER, &phy_data))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
			hw->mac.collision_delta = phy_data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
		hw->mac.collision_delta = er32(COLC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
	adapter->stats.colc += hw->mac.collision_delta;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
	adapter->stats.algnerrc += er32(ALGNERRC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
	adapter->stats.rxerrc += er32(RXERRC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	if ((hw->phy.type == e1000_phy_82578) ||
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	    (hw->phy.type == e1000_phy_82577)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
		e1e_rphy(hw, HV_TNCRS_UPPER, &phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
		if (!e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
			adapter->stats.tncrs += phy_data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
		if ((hw->mac.type != e1000_82574) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
		    (hw->mac.type != e1000_82583))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
			adapter->stats.tncrs += er32(TNCRS);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
	adapter->stats.cexterr += er32(CEXTERR);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
	adapter->stats.tsctc += er32(TSCTC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
	adapter->stats.tsctfc += er32(TSCTFC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
	/* Fill out the OS statistics structure */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
	netdev->stats.multicast = adapter->stats.mprc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
	netdev->stats.collisions = adapter->stats.colc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
	/* Rx Errors */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
	 * RLEC on some newer hardware can be incorrect so build
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
	 * our own version based on RUC and ROC
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
	netdev->stats.rx_errors = adapter->stats.rxerrc +
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
		adapter->stats.crcerrs + adapter->stats.algnerrc +
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
		adapter->stats.ruc + adapter->stats.roc +
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
		adapter->stats.cexterr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
	netdev->stats.rx_length_errors = adapter->stats.ruc +
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
					      adapter->stats.roc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
	/* Tx Errors */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
	netdev->stats.tx_errors = adapter->stats.ecol +
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
				       adapter->stats.latecol;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
	netdev->stats.tx_window_errors = adapter->stats.latecol;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
	/* Tx Dropped needs to be maintained elsewhere */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
	/* Management Stats */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
	adapter->stats.mgptc += er32(MGTPTC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
	adapter->stats.mgprc += er32(MGTPRC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
	adapter->stats.mgpdc += er32(MGTPDC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
 * e1000_phy_read_status - Update the PHY register status snapshot
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
 * @adapter: board private structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
static void e1000_phy_read_status(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
	struct e1000_phy_regs *phy = &adapter->phy_regs;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
	int ret_val;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
	if ((er32(STATUS) & E1000_STATUS_LU) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
	    (adapter->hw.phy.media_type == e1000_media_type_copper)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
		ret_val  = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
		ret_val |= e1e_rphy(hw, PHY_STATUS, &phy->bmsr);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
		ret_val |= e1e_rphy(hw, PHY_LP_ABILITY, &phy->lpa);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_EXP, &phy->expansion);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
		ret_val |= e1e_rphy(hw, PHY_1000T_CTRL, &phy->ctrl1000);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
		ret_val |= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
		ret_val |= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
		if (ret_val)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
			e_warn("Error reading PHY register\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
		 * Do not read PHY registers if link is not up
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
		 * Set values to typical power-on defaults
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
		phy->bmcr = (BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_FULLDPLX);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
		phy->bmsr = (BMSR_100FULL | BMSR_100HALF | BMSR_10FULL |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
			     BMSR_10HALF | BMSR_ESTATEN | BMSR_ANEGCAPABLE |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
			     BMSR_ERCAP);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
		phy->advertise = (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
				  ADVERTISE_ALL | ADVERTISE_CSMA);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
		phy->lpa = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
		phy->expansion = EXPANSION_ENABLENPAGE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
		phy->ctrl1000 = ADVERTISE_1000FULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
		phy->stat1000 = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
		phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
static void e1000_print_link_info(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
	u32 ctrl = er32(CTRL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
	/* Link status message must follow this format for user tools */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s, "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	       "Flow Control: %s\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	       adapter->netdev->name,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	       adapter->link_speed,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	       (adapter->link_duplex == FULL_DUPLEX) ?
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	                        "Full Duplex" : "Half Duplex",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	       ((ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE)) ?
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	                        "RX/TX" :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	       ((ctrl & E1000_CTRL_RFCE) ? "RX" :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	       ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
bool e1000e_has_link(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
	bool link_active = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
	s32 ret_val = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
	 * get_link_status is set on LSC (link status) interrupt or
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
	 * Rx sequence error interrupt.  get_link_status will stay
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
	 * false until the check_for_link establishes link
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
	 * for copper adapters ONLY
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
	switch (hw->phy.media_type) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
	case e1000_media_type_copper:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
		if (hw->mac.get_link_status) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
			ret_val = hw->mac.ops.check_for_link(hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
			link_active = !hw->mac.get_link_status;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
		} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
			link_active = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
	case e1000_media_type_fiber:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
		ret_val = hw->mac.ops.check_for_link(hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	case e1000_media_type_internal_serdes:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
		ret_val = hw->mac.ops.check_for_link(hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
		link_active = adapter->hw.mac.serdes_has_link;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
	default:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
	case e1000_media_type_unknown:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
	if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
		/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
		e_info("Gigabit has been disabled, downgrading speed\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
	return link_active;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
static void e1000e_enable_receives(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
	/* make sure the receive unit is started */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	    (adapter->flags & FLAG_RX_RESTART_NOW)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
		struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
		u32 rctl = er32(RCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
		ew32(RCTL, rctl | E1000_RCTL_EN);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
		adapter->flags &= ~FLAG_RX_RESTART_NOW;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
 * e1000_watchdog - Timer Call-back
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
 * @data: pointer to adapter cast into an unsigned long
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
static void e1000_watchdog(unsigned long data)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
	/* Do the rest outside of interrupt context */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
	schedule_work(&adapter->watchdog_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
	/* TODO: make this use queue_delayed_work() */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
static void e1000_watchdog_task(struct work_struct *work)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	struct e1000_adapter *adapter = container_of(work,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
					struct e1000_adapter, watchdog_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
	struct e1000_mac_info *mac = &adapter->hw.mac;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	struct e1000_phy_info *phy = &adapter->hw.phy;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
	u32 link, tctl;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
	int tx_pending = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
	link = e1000e_has_link(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
	if ((netif_carrier_ok(netdev)) && link) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
		/* Cancel scheduled suspend requests. */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
		pm_runtime_resume(netdev->dev.parent);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
		e1000e_enable_receives(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
		goto link_up;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	    (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
		e1000_update_mng_vlan(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
	if (link) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		if (!netif_carrier_ok(netdev)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
			bool txb2b = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
			/* Cancel scheduled suspend requests. */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
			pm_runtime_resume(netdev->dev.parent);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
			/* update snapshot of PHY registers on LSC */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
			e1000_phy_read_status(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
			mac->ops.get_link_up_info(&adapter->hw,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
						   &adapter->link_speed,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
						   &adapter->link_duplex);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
			e1000_print_link_info(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
			/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
			 * On supported PHYs, check for duplex mismatch only
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
			 * if link has autonegotiated at 10/100 half
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
			 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
			if ((hw->phy.type == e1000_phy_igp_3 ||
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
			     hw->phy.type == e1000_phy_bm) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
			    (hw->mac.autoneg == true) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
			    (adapter->link_speed == SPEED_10 ||
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
			     adapter->link_speed == SPEED_100) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
			    (adapter->link_duplex == HALF_DUPLEX)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
				u16 autoneg_exp;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
				e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
				if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
					e_info("Autonegotiated half duplex but"
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
					       " link partner cannot autoneg. "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
					       " Try forcing full duplex if "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
					       "link gets many collisions.\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
			/* adjust timeout factor according to speed/duplex */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
			adapter->tx_timeout_factor = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
			switch (adapter->link_speed) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
			case SPEED_10:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
				txb2b = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
				adapter->tx_timeout_factor = 16;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
				break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
			case SPEED_100:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
				txb2b = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
				adapter->tx_timeout_factor = 10;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
				break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
			/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
			 * workaround: re-program speed mode bit after
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
			 * link-up event
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
			 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
			if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
			    !txb2b) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
				u32 tarc0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
				tarc0 = er32(TARC(0));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
				tarc0 &= ~SPEED_MODE_BIT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
				ew32(TARC(0), tarc0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
			/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
			 * disable TSO for pcie and 10/100 speeds, to avoid
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
			 * some hardware issues
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
			 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
			if (!(adapter->flags & FLAG_TSO_FORCE)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
				switch (adapter->link_speed) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
				case SPEED_10:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
				case SPEED_100:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
					e_info("10/100 speed: disabling TSO\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
					netdev->features &= ~NETIF_F_TSO;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
					netdev->features &= ~NETIF_F_TSO6;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
					break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
				case SPEED_1000:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
					netdev->features |= NETIF_F_TSO;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
					netdev->features |= NETIF_F_TSO6;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
					break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
				default:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
					/* oops */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
					break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
				}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
			/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
			 * enable transmits in the hardware, need to do this
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
			 * after setting TARC(0)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
			 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
			tctl = er32(TCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
			tctl |= E1000_TCTL_EN;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
			ew32(TCTL, tctl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
                        /*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
			 * Perform any post-link-up configuration before
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
			 * reporting link up.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
			 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
			if (phy->ops.cfg_on_link_up)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
				phy->ops.cfg_on_link_up(hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
			netif_carrier_on(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
			if (!test_bit(__E1000_DOWN, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
				mod_timer(&adapter->phy_info_timer,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
					  round_jiffies(jiffies + 2 * HZ));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
		if (netif_carrier_ok(netdev)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
			adapter->link_speed = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
			adapter->link_duplex = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
			/* Link status message must follow this format */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
			printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
			       adapter->netdev->name);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
			netif_carrier_off(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
			if (!test_bit(__E1000_DOWN, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
				mod_timer(&adapter->phy_info_timer,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
					  round_jiffies(jiffies + 2 * HZ));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
			if (adapter->flags & FLAG_RX_NEEDS_RESTART)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
				schedule_work(&adapter->reset_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
			else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
				pm_schedule_suspend(netdev->dev.parent,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
							LINK_TIMEOUT);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
link_up:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
	e1000e_update_stats(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	adapter->tpt_old = adapter->stats.tpt;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
	mac->collision_delta = adapter->stats.colc - adapter->colc_old;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
	adapter->colc_old = adapter->stats.colc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
	adapter->gorc_old = adapter->stats.gorc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
	adapter->gotc_old = adapter->stats.gotc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
	e1000e_update_adaptive(&adapter->hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	if (!netif_carrier_ok(netdev)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
		tx_pending = (e1000_desc_unused(tx_ring) + 1 <
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
			       tx_ring->count);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
		if (tx_pending) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
			/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
			 * We've lost link, so the controller stops DMA,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
			 * but we've got queued Tx work that's never going
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
			 * to get done, so reset controller to flush Tx.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
			 * (Do the reset outside of interrupt context).
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
			 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
			adapter->tx_timeout_count++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
			schedule_work(&adapter->reset_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
			/* return immediately since reset is imminent */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
			return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
	/* Simple mode for Interrupt Throttle Rate (ITR) */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	if (adapter->itr_setting == 4) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
		 * Symmetric Tx/Rx gets a reduced ITR=2000;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
		 * Total asymmetrical Tx or Rx gets ITR=8000;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
		 * everyone else is between 2000-8000.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
		u32 goc = (adapter->gotc + adapter->gorc) / 10000;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
		u32 dif = (adapter->gotc > adapter->gorc ?
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
			    adapter->gotc - adapter->gorc :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
			    adapter->gorc - adapter->gotc) / 10000;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
		ew32(ITR, 1000000000 / (itr * 256));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
	/* Cause software interrupt to ensure Rx ring is cleaned */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
	if (adapter->msix_entries)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
		ew32(ICS, adapter->rx_ring->ims_val);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
		ew32(ICS, E1000_ICS_RXDMT0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
	/* Force detection of hung controller every watchdog period */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
	adapter->detect_tx_hung = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
	 * With 82571 controllers, LAA may be overwritten due to controller
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
	 * reset from the other port. Set the appropriate LAA in RAR[0]
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
	if (e1000e_get_laa_state_82571(hw))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
		e1000e_rar_set(hw, adapter->hw.mac.addr, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
	/* Reset the timer */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
	if (!test_bit(__E1000_DOWN, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
		mod_timer(&adapter->watchdog_timer,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
			  round_jiffies(jiffies + 2 * HZ));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
#define E1000_TX_FLAGS_CSUM		0x00000001
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
#define E1000_TX_FLAGS_VLAN		0x00000002
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
#define E1000_TX_FLAGS_TSO		0x00000004
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
#define E1000_TX_FLAGS_IPV4		0x00000008
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
#define E1000_TX_FLAGS_VLAN_SHIFT	16
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
static int e1000_tso(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		     struct sk_buff *skb)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
	struct e1000_context_desc *context_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
	struct e1000_buffer *buffer_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
	unsigned int i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
	u32 cmd_length = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
	u16 ipcse = 0, tucse, mss;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
	int err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
	if (!skb_is_gso(skb))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
		return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
	if (skb_header_cloned(skb)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
		err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
		if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
			return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
	mss = skb_shinfo(skb)->gso_size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
	if (skb->protocol == htons(ETH_P_IP)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
		struct iphdr *iph = ip_hdr(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
		iph->tot_len = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
		iph->check = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
		tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
		                                         0, IPPROTO_TCP, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
		cmd_length = E1000_TXD_CMD_IP;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
		ipcse = skb_transport_offset(skb) - 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
	} else if (skb_is_gso_v6(skb)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
		ipv6_hdr(skb)->payload_len = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
		                                       &ipv6_hdr(skb)->daddr,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
		                                       0, IPPROTO_TCP, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
		ipcse = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
	ipcss = skb_network_offset(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
	ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
	tucss = skb_transport_offset(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
	tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	tucse = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
	               E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
	i = tx_ring->next_to_use;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
	buffer_info = &tx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
	context_desc->lower_setup.ip_fields.ipcss  = ipcss;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	context_desc->lower_setup.ip_fields.ipcso  = ipcso;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
	context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
	context_desc->upper_setup.tcp_fields.tucss = tucss;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	context_desc->upper_setup.tcp_fields.tucso = tucso;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
	context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
	context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
	buffer_info->time_stamp = jiffies;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
	buffer_info->next_to_watch = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
	i++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
	if (i == tx_ring->count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
		i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
	tx_ring->next_to_use = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
	return 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
	struct e1000_context_desc *context_desc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
	struct e1000_buffer *buffer_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
	unsigned int i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
	u8 css;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
	u32 cmd_len = E1000_TXD_CMD_DEXT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
	__be16 protocol;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
	if (skb->ip_summed != CHECKSUM_PARTIAL)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
		return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
		protocol = skb->protocol;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
	switch (protocol) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
	case cpu_to_be16(ETH_P_IP):
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
			cmd_len |= E1000_TXD_CMD_TCP;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
	case cpu_to_be16(ETH_P_IPV6):
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
		/* XXX not handling all IPV6 headers */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
			cmd_len |= E1000_TXD_CMD_TCP;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
	default:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
		if (unlikely(net_ratelimit()))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
			e_warn("checksum_partial proto=%x!\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
			       be16_to_cpu(protocol));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
	css = skb_transport_offset(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
	i = tx_ring->next_to_use;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
	buffer_info = &tx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
	context_desc->lower_setup.ip_config = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
	context_desc->upper_setup.tcp_fields.tucss = css;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
	context_desc->upper_setup.tcp_fields.tucso =
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
				css + skb->csum_offset;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
	context_desc->upper_setup.tcp_fields.tucse = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
	context_desc->tcp_seg_setup.data = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
	buffer_info->time_stamp = jiffies;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
	buffer_info->next_to_watch = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
	i++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
	if (i == tx_ring->count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
		i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
	tx_ring->next_to_use = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
	return 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
#define E1000_MAX_PER_TXD	8192
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
#define E1000_MAX_TXD_PWR	12
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
static int e1000_tx_map(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
			struct sk_buff *skb, unsigned int first,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
			unsigned int max_per_txd, unsigned int nr_frags,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
			unsigned int mss)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	struct pci_dev *pdev = adapter->pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
	struct e1000_buffer *buffer_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
	unsigned int len = skb_headlen(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
	unsigned int offset = 0, size, count = 0, i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	unsigned int f, bytecount, segs;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
	i = tx_ring->next_to_use;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
	while (len) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
		buffer_info = &tx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
		size = min(len, max_per_txd);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
		buffer_info->length = size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
		buffer_info->time_stamp = jiffies;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
		buffer_info->next_to_watch = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
		buffer_info->dma = dma_map_single(&pdev->dev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
						  skb->data + offset,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
						  size,	DMA_TO_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
		buffer_info->mapped_as_page = false;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
			goto dma_error;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
		len -= size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
		offset += size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
		count++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
		if (len) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
			i++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
			if (i == tx_ring->count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
				i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
	for (f = 0; f < nr_frags; f++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
		struct skb_frag_struct *frag;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
		frag = &skb_shinfo(skb)->frags[f];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
		len = frag->size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
		offset = frag->page_offset;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
		while (len) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
			i++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
			if (i == tx_ring->count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
				i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
			buffer_info = &tx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
			size = min(len, max_per_txd);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
			buffer_info->length = size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
			buffer_info->time_stamp = jiffies;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
			buffer_info->next_to_watch = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
			buffer_info->dma = dma_map_page(&pdev->dev, frag->page,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
							offset, size,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
							DMA_TO_DEVICE);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
			buffer_info->mapped_as_page = true;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
				goto dma_error;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
			len -= size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
			offset += size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
			count++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
	segs = skb_shinfo(skb)->gso_segs ?: 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
	/* multiply data chunks by size of headers */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
	bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
	tx_ring->buffer_info[i].skb = skb;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
	tx_ring->buffer_info[i].segs = segs;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
	tx_ring->buffer_info[i].bytecount = bytecount;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
	tx_ring->buffer_info[first].next_to_watch = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
	return count;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
dma_error:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
	dev_err(&pdev->dev, "TX DMA map failed\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
	buffer_info->dma = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
	if (count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
		count--;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
	while (count--) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
		if (i==0)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
			i += tx_ring->count;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
		i--;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
		buffer_info = &tx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
		e1000_put_txbuf(adapter, buffer_info);;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
static void e1000_tx_queue(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
			   int tx_flags, int count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
	struct e1000_tx_desc *tx_desc = NULL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
	struct e1000_buffer *buffer_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
	unsigned int i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
	if (tx_flags & E1000_TX_FLAGS_TSO) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
			     E1000_TXD_CMD_TSE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
		if (tx_flags & E1000_TX_FLAGS_IPV4)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
	if (tx_flags & E1000_TX_FLAGS_CSUM) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
	if (tx_flags & E1000_TX_FLAGS_VLAN) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
		txd_lower |= E1000_TXD_CMD_VLE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
	i = tx_ring->next_to_use;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
	while (count--) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
		buffer_info = &tx_ring->buffer_info[i];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
		tx_desc = E1000_TX_DESC(*tx_ring, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
		tx_desc->lower.data =
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
			cpu_to_le32(txd_lower | buffer_info->length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
		tx_desc->upper.data = cpu_to_le32(txd_upper);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
		i++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
		if (i == tx_ring->count)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
			i = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
	 * Force memory writes to complete before letting h/w
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
	 * know there are new descriptors to fetch.  (Only
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
	 * applicable for weak-ordered memory model archs,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
	 * such as IA-64).
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
	wmb();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
	tx_ring->next_to_use = i;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
	writel(i, adapter->hw.hw_addr + tx_ring->tail);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
	 * we need this if more than one processor can write to our tail
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
	 * at a time, it synchronizes IO on IA64/Altix systems
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
	mmiowb();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
#define MINIMUM_DHCP_PACKET_SIZE 282
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
				    struct sk_buff *skb)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
	struct e1000_hw *hw =  &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
	u16 length, offset;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
	if (vlan_tx_tag_present(skb)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
		    (adapter->hw.mng_cookie.status &
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
			return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
		return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
	if (((struct ethhdr *) skb->data)->h_proto != htons(ETH_P_IP))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
		return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
	{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
		const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
		struct udphdr *udp;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
		if (ip->protocol != IPPROTO_UDP)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
			return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
		udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
		if (ntohs(udp->dest) != 67)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
			return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
		offset = (u8 *)udp + 8 - skb->data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
		length = skb->len - offset;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
		return e1000e_mng_write_dhcp_info(hw, (u8 *)udp + 8, length);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
	netif_stop_queue(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
	 * Herbert's original patch had:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	 *  smp_mb__after_netif_stop_queue();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
	 * but since that doesn't exist yet, just open code it.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
	smp_mb();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
	 * We need to check again in a case another CPU has just
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
	 * made room available.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
	if (e1000_desc_unused(adapter->tx_ring) < size)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
		return -EBUSY;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
	/* A reprieve! */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
	netif_start_queue(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
	++adapter->restart_queue;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
static int e1000_maybe_stop_tx(struct net_device *netdev, int size)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	if (e1000_desc_unused(adapter->tx_ring) >= size)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
		return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
	return __e1000_maybe_stop_tx(netdev, size);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
				    struct net_device *netdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
	struct e1000_ring *tx_ring = adapter->tx_ring;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	unsigned int first;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
	unsigned int max_per_txd = E1000_MAX_PER_TXD;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
	unsigned int tx_flags = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
	unsigned int len = skb_headlen(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
	unsigned int nr_frags;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	unsigned int mss;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
	int count = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
	int tso;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
	unsigned int f;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
	if (test_bit(__E1000_DOWN, &adapter->state)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
		dev_kfree_skb_any(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
		return NETDEV_TX_OK;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
	if (skb->len <= 0) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
		dev_kfree_skb_any(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
		return NETDEV_TX_OK;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
	mss = skb_shinfo(skb)->gso_size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
	 * The controller does a simple calculation to
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	 * make sure there is enough room in the FIFO before
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
	 * initiating the DMA for each buffer.  The calc is:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	 * 4 = ceil(buffer len/mss).  To make sure we don't
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
	 * overrun the FIFO, adjust the max buffer len if mss
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	 * drops.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	if (mss) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
		u8 hdr_len;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
		max_per_txd = min(mss << 2, max_per_txd);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
		max_txd_pwr = fls(max_per_txd) - 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
		 * TSO Workaround for 82571/2/3 Controllers -- if skb->data
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
		 * points to just header, pull a few bytes of payload from
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
		 * frags into skb->data
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
		/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
		 * we do this workaround for ES2LAN, but it is un-necessary,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
		 * avoiding it could save a lot of cycles
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
		 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
		if (skb->data_len && (hdr_len == len)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
			unsigned int pull_size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
			pull_size = min((unsigned int)4, skb->data_len);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
			if (!__pskb_pull_tail(skb, pull_size)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
				e_err("__pskb_pull_tail failed.\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
				dev_kfree_skb_any(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
				return NETDEV_TX_OK;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
			len = skb_headlen(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
	/* reserve a descriptor for the offload context */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
		count++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	count++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
	count += TXD_USE_COUNT(len, max_txd_pwr);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
	nr_frags = skb_shinfo(skb)->nr_frags;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
	for (f = 0; f < nr_frags; f++)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
				       max_txd_pwr);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
	if (adapter->hw.mac.tx_pkt_filtering)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
		e1000_transfer_dhcp_info(adapter, skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
	 * need: count + 2 desc gap to keep tail from touching
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
	 * head, otherwise try next time
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
	if (e1000_maybe_stop_tx(netdev, count + 2))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
		return NETDEV_TX_BUSY;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
	if (adapter->vlgrp && vlan_tx_tag_present(skb)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
		tx_flags |= E1000_TX_FLAGS_VLAN;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
	first = tx_ring->next_to_use;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
	tso = e1000_tso(adapter, skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
	if (tso < 0) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
		dev_kfree_skb_any(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
		return NETDEV_TX_OK;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
	if (tso)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
		tx_flags |= E1000_TX_FLAGS_TSO;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	else if (e1000_tx_csum(adapter, skb))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
		tx_flags |= E1000_TX_FLAGS_CSUM;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
	 * Old method was to assume IPv4 packet by default if TSO was enabled.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
	 * no longer assume, we must.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
	if (skb->protocol == htons(ETH_P_IP))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
		tx_flags |= E1000_TX_FLAGS_IPV4;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
	/* if count is 0 then mapping error has occured */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
	count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
	if (count) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
		e1000_tx_queue(adapter, tx_flags, count);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
		/* Make sure there is space in the ring for the next send. */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
		e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
		dev_kfree_skb_any(skb);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
		tx_ring->buffer_info[first].time_stamp = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
		tx_ring->next_to_use = first;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	return NETDEV_TX_OK;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
 * e1000_tx_timeout - Respond to a Tx Hang
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
 * @netdev: network interface device structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
static void e1000_tx_timeout(struct net_device *netdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
	/* Do the reset outside of interrupt context */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
	adapter->tx_timeout_count++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
	schedule_work(&adapter->reset_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
static void e1000_reset_task(struct work_struct *work)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
	struct e1000_adapter *adapter;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
	adapter = container_of(work, struct e1000_adapter, reset_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
	e1000e_dump(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
	e_err("Reset adapter\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
	e1000e_reinit_locked(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
 * e1000_get_stats - Get System Network Statistics
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
 * @netdev: network interface device structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
 * Returns the address of the device statistics structure.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
 * The statistics are actually updated from the timer callback.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
	/* only return the current stats */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
	return &netdev->stats;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
 * e1000_change_mtu - Change the Maximum Transfer Unit
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
 * @netdev: network interface device structure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
 * @new_mtu: new value for maximum frame size
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
 * Returns 0 on success, negative on failure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	/* Jumbo frame support */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
	if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
	    !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
		e_err("Jumbo Frames not supported.\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
		return -EINVAL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
	/* Supported frame sizes */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
	if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
	    (max_frame > adapter->max_hw_frame_size)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
		e_err("Unsupported MTU setting\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
		return -EINVAL;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
	/* 82573 Errata 17 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
	if (((adapter->hw.mac.type == e1000_82573) ||
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
	     (adapter->hw.mac.type == e1000_82574)) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
	    (max_frame > ETH_FRAME_LEN + ETH_FCS_LEN)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
		adapter->flags2 |= FLAG2_DISABLE_ASPM_L1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
		e1000e_disable_aspm(adapter->pdev, PCIE_LINK_STATE_L1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
		msleep(1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
	/* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
	adapter->max_frame_size = max_frame;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	netdev->mtu = new_mtu;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	if (netif_running(netdev))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
		e1000e_down(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
	 * NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
	 * means we reserve 2 more, this pushes us to allocate from the next
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	 * larger slab size.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	 * i.e. RXBUFFER_2048 --> size-4096 slab
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	 * However with the new *_jumbo_rx* routines, jumbo receives will use
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	 * fragmented skbs
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	if (max_frame <= 2048)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
		adapter->rx_buffer_len = 2048;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
		adapter->rx_buffer_len = 4096;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	/* adjust allocation if LPE protects us, and we aren't using SBP */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	     (max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
		adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
					 + ETH_FCS_LEN;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
	if (netif_running(netdev))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
		e1000e_up(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
		e1000e_reset(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
	clear_bit(__E1000_RESETTING, &adapter->state);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
			   int cmd)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
	struct mii_ioctl_data *data = if_mii(ifr);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
		return -EOPNOTSUPP;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
	switch (cmd) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
	case SIOCGMIIPHY:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
		data->phy_id = adapter->hw.phy.addr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
	case SIOCGMIIREG:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
		e1000_phy_read_status(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
		switch (data->reg_num & 0x1F) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
		case MII_BMCR:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
			data->val_out = adapter->phy_regs.bmcr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
		case MII_BMSR:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
			data->val_out = adapter->phy_regs.bmsr;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
		case MII_PHYSID1:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
			data->val_out = (adapter->hw.phy.id >> 16);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
		case MII_PHYSID2:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
			data->val_out = (adapter->hw.phy.id & 0xFFFF);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
		case MII_ADVERTISE:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
			data->val_out = adapter->phy_regs.advertise;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
		case MII_LPA:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
			data->val_out = adapter->phy_regs.lpa;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
		case MII_EXPANSION:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
			data->val_out = adapter->phy_regs.expansion;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
		case MII_CTRL1000:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
			data->val_out = adapter->phy_regs.ctrl1000;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
		case MII_STAT1000:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
			data->val_out = adapter->phy_regs.stat1000;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
		case MII_ESTATUS:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
			data->val_out = adapter->phy_regs.estatus;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
		default:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
			return -EIO;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
		break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
	case SIOCSMIIREG:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
	default:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
		return -EOPNOTSUPP;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
	switch (cmd) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
	case SIOCGMIIPHY:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
	case SIOCGMIIREG:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
	case SIOCSMIIREG:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
		return e1000_mii_ioctl(netdev, ifr, cmd);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
	default:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
		return -EOPNOTSUPP;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
	u32 i, mac_reg;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	u16 phy_reg;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
	int retval = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
	/* copy MAC RARs to PHY RARs */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
	for (i = 0; i < adapter->hw.mac.rar_entry_count; i++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
		mac_reg = er32(RAL(i));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
		e1e_wphy(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
		e1e_wphy(hw, BM_RAR_M(i), (u16)((mac_reg >> 16) & 0xFFFF));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
		mac_reg = er32(RAH(i));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
		e1e_wphy(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
		e1e_wphy(hw, BM_RAR_CTRL(i), (u16)((mac_reg >> 16) & 0xFFFF));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
	/* copy MAC MTA to PHY MTA */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
		mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
		e1e_wphy(hw, BM_MTA(i), (u16)(mac_reg & 0xFFFF));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
		e1e_wphy(hw, BM_MTA(i) + 1, (u16)((mac_reg >> 16) & 0xFFFF));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
	/* configure PHY Rx Control register */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
	e1e_rphy(&adapter->hw, BM_RCTL, &phy_reg);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
	mac_reg = er32(RCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
	if (mac_reg & E1000_RCTL_UPE)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
		phy_reg |= BM_RCTL_UPE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
	if (mac_reg & E1000_RCTL_MPE)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
		phy_reg |= BM_RCTL_MPE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
	phy_reg &= ~(BM_RCTL_MO_MASK);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
	if (mac_reg & E1000_RCTL_MO_3)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
		phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
				<< BM_RCTL_MO_SHIFT);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
	if (mac_reg & E1000_RCTL_BAM)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
		phy_reg |= BM_RCTL_BAM;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
	if (mac_reg & E1000_RCTL_PMCF)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
		phy_reg |= BM_RCTL_PMCF;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
	mac_reg = er32(CTRL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
	if (mac_reg & E1000_CTRL_RFCE)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
		phy_reg |= BM_RCTL_RFCE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
	e1e_wphy(&adapter->hw, BM_RCTL, phy_reg);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
	/* enable PHY wakeup in MAC register */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
	ew32(WUFC, wufc);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
	ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
	/* configure and enable PHY wakeup in PHY registers */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
	e1e_wphy(&adapter->hw, BM_WUFC, wufc);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
	e1e_wphy(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	/* activate PHY wakeup */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	retval = hw->phy.ops.acquire(hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
	if (retval) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
		e_err("Could not acquire PHY\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
		return retval;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
	e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	                         (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
	retval = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	if (retval) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
		e_err("Could not read PHY page 769\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
		goto out;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
	phy_reg |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
	retval = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
	if (retval)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
		e_err("Could not set PHY Host Wakeup bit\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
out:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
	hw->phy.ops.release(hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
	return retval;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
			    bool runtime)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
	struct net_device *netdev = pci_get_drvdata(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
	u32 ctrl, ctrl_ext, rctl, status;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
	/* Runtime suspend should only enable wakeup for link changes */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
	u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
	int retval = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
	netif_device_detach(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
	if (netif_running(netdev)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
		e1000e_down(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
		e1000_free_irq(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
	e1000e_reset_interrupt_capability(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
	retval = pci_save_state(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
	if (retval)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
		return retval;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
	status = er32(STATUS);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	if (status & E1000_STATUS_LU)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
		wufc &= ~E1000_WUFC_LNKC;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
	if (wufc) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
		e1000_setup_rctl(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
		e1000_set_multi(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
		/* turn on all-multi mode if wake on multicast is enabled */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
		if (wufc & E1000_WUFC_MC) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
			rctl = er32(RCTL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
			rctl |= E1000_RCTL_MPE;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
			ew32(RCTL, rctl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
		ctrl = er32(CTRL);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
		/* advertise wake from D3Cold */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
		#define E1000_CTRL_ADVD3WUC 0x00100000
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
		/* phy power management enable */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
		#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
		ctrl |= E1000_CTRL_ADVD3WUC;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
		if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
			ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
		ew32(CTRL, ctrl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
		if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
		    adapter->hw.phy.media_type ==
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
		    e1000_media_type_internal_serdes) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
			/* keep the laser running in D3 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
			ctrl_ext = er32(CTRL_EXT);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
			ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
			ew32(CTRL_EXT, ctrl_ext);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
		if (adapter->flags & FLAG_IS_ICH)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
			e1000e_disable_gig_wol_ich8lan(&adapter->hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
		/* Allow time for pending master requests to run */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
		e1000e_disable_pcie_master(&adapter->hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
		if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
			/* enable wakeup by the PHY */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
			retval = e1000_init_phy_wakeup(adapter, wufc);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
			if (retval)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
				return retval;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
		} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
			/* enable wakeup by the MAC */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
			ew32(WUFC, wufc);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
			ew32(WUC, E1000_WUC_PME_EN);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
		ew32(WUC, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
		ew32(WUFC, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
	*enable_wake = !!wufc;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
	/* make sure adapter isn't asleep if manageability is enabled */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	if ((adapter->flags & FLAG_MNG_PT_ENABLED) ||
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
	    (hw->mac.ops.check_mng_mode(hw)))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
		*enable_wake = true;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
	if (adapter->hw.phy.type == e1000_phy_igp_3)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
	 * would have already happened in close and is redundant.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
	e1000_release_hw_control(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
	pci_disable_device(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
static void e1000_power_off(struct pci_dev *pdev, bool sleep, bool wake)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
	if (sleep && wake) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
		pci_prepare_to_sleep(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	pci_wake_from_d3(pdev, wake);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
	pci_set_power_state(pdev, PCI_D3hot);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
                                    bool wake)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	struct net_device *netdev = pci_get_drvdata(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	 * The pci-e switch on some quad port adapters will report a
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	 * correctable error when the MAC transitions from D0 to D3.  To
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	 * prevent this we need to mask off the correctable errors on the
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
	 * downstream port of the pci-e switch.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
	if (adapter->flags & FLAG_IS_QUAD_PORT) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
		struct pci_dev *us_dev = pdev->bus->self;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
		int pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
		u16 devctl;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
		pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
		                      (devctl & ~PCI_EXP_DEVCTL_CERE));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
		e1000_power_off(pdev, sleep, wake);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL, devctl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
		e1000_power_off(pdev, sleep, wake);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
#ifdef CONFIG_PCIEASPM
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
	pci_disable_link_state(pdev, state);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
#else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
	int pos;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
	u16 reg16;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
	 * Both device and parent should have the same ASPM setting.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
	 * Disable ASPM in downstream component first and then upstream.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
	pos = pci_pcie_cap(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
	pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &reg16);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
	reg16 &= ~state;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
	pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
	if (!pdev->bus->self)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
	pos = pci_pcie_cap(pdev->bus->self);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
	pci_read_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, &reg16);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
	reg16 &= ~state;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
	pci_write_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, reg16);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
#endif
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
	dev_info(&pdev->dev, "Disabling ASPM %s %s\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
		 (state & PCIE_LINK_STATE_L0S) ? "L0s" : "",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
		 (state & PCIE_LINK_STATE_L1) ? "L1" : "");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
	__e1000e_disable_aspm(pdev, state);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
#ifdef CONFIG_PM_OPS
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
static bool e1000e_pm_ready(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
	return !!adapter->tx_ring->buffer_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
static int __e1000_resume(struct pci_dev *pdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
	struct net_device *netdev = pci_get_drvdata(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
	u32 err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
	pci_set_power_state(pdev, PCI_D0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
	pci_restore_state(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
	pci_save_state(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
	e1000e_set_interrupt_capability(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
	if (netif_running(netdev)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
		err = e1000_request_irq(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
		if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
			return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
	e1000e_power_up_phy(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
	/* report the system wakeup cause from S3/S4 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
		u16 phy_data;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
		e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
		if (phy_data) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
			e_info("PHY Wakeup cause - %s\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
				phy_data & E1000_WUS_EX ? "Unicast Packet" :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
				phy_data & E1000_WUS_MC ? "Multicast Packet" :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
				phy_data & E1000_WUS_BC ? "Broadcast Packet" :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
				phy_data & E1000_WUS_MAG ? "Magic Packet" :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
				phy_data & E1000_WUS_LNKC ? "Link Status "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
				" Change" : "other");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
		e1e_wphy(&adapter->hw, BM_WUS, ~0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
		u32 wus = er32(WUS);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
		if (wus) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
			e_info("MAC Wakeup cause - %s\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
				wus & E1000_WUS_EX ? "Unicast Packet" :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
				wus & E1000_WUS_MC ? "Multicast Packet" :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
				wus & E1000_WUS_BC ? "Broadcast Packet" :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
				wus & E1000_WUS_MAG ? "Magic Packet" :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
				wus & E1000_WUS_LNKC ? "Link Status Change" :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
				"other");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
		ew32(WUS, ~0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
	e1000e_reset(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
	e1000_init_manageability_pt(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
	if (netif_running(netdev))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
		e1000e_up(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
	netif_device_attach(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
	 * If the controller has AMT, do not set DRV_LOAD until the interface
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
	 * is up.  For all other cases, let the f/w know that the h/w is now
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
	 * under the control of the driver.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
	if (!(adapter->flags & FLAG_HAS_AMT))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
		e1000_get_hw_control(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
#ifdef CONFIG_PM_SLEEP
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
static int e1000_suspend(struct device *dev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
	struct pci_dev *pdev = to_pci_dev(dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
	int retval;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
	bool wake;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
	retval = __e1000_shutdown(pdev, &wake, false);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
	if (!retval)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
		e1000_complete_shutdown(pdev, true, wake);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
	return retval;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
static int e1000_resume(struct device *dev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
	struct pci_dev *pdev = to_pci_dev(dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	struct net_device *netdev = pci_get_drvdata(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
	if (e1000e_pm_ready(adapter))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
		adapter->idle_check = true;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
	return __e1000_resume(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
#endif /* CONFIG_PM_SLEEP */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
#ifdef CONFIG_PM_RUNTIME
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
static int e1000_runtime_suspend(struct device *dev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
	struct pci_dev *pdev = to_pci_dev(dev);
0a6fc3f5f418 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);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
	if (e1000e_pm_ready(adapter)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
		bool wake;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
		__e1000_shutdown(pdev, &wake, true);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
static int e1000_idle(struct device *dev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
	struct pci_dev *pdev = to_pci_dev(dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
	struct net_device *netdev = pci_get_drvdata(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
	if (!e1000e_pm_ready(adapter))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
		return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
	if (adapter->idle_check) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
		adapter->idle_check = false;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
		if (!e1000e_has_link(adapter))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
			pm_schedule_suspend(dev, MSEC_PER_SEC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
	return -EBUSY;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
static int e1000_runtime_resume(struct device *dev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
	struct pci_dev *pdev = to_pci_dev(dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
	struct net_device *netdev = pci_get_drvdata(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
	if (!e1000e_pm_ready(adapter))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
		return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
	adapter->idle_check = !dev->power.runtime_auto;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
	return __e1000_resume(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
#endif /* CONFIG_PM_RUNTIME */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
#endif /* CONFIG_PM_OPS */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
static void e1000_shutdown(struct pci_dev *pdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
	bool wake = false;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
	__e1000_shutdown(pdev, &wake, false);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
	if (system_state == SYSTEM_POWER_OFF)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
		e1000_complete_shutdown(pdev, false, wake);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
#ifdef CONFIG_NET_POLL_CONTROLLER
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
 * Polling 'interrupt' - used by things like netconsole to send skbs
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
 * without having to re-enable interrupts. It's not called while
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
 * the interrupt routine is executing.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
static void e1000_netpoll(struct net_device *netdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
	disable_irq(adapter->pdev->irq);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
	e1000_intr(adapter->pdev->irq, netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
	enable_irq(adapter->pdev->irq);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
#endif
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
 * e1000_io_error_detected - called when PCI error is detected
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
 * @pdev: Pointer to PCI device
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
 * @state: The current pci connection state
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
 * This function is called after a PCI bus error affecting
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
 * this device has been detected.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
						pci_channel_state_t state)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
	struct net_device *netdev = pci_get_drvdata(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
	netif_device_detach(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
	if (state == pci_channel_io_perm_failure)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
		return PCI_ERS_RESULT_DISCONNECT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
	if (netif_running(netdev))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
		e1000e_down(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
	pci_disable_device(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
	/* Request a slot slot reset. */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
	return PCI_ERS_RESULT_NEED_RESET;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
 * e1000_io_slot_reset - called after the pci bus has been reset.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
 * @pdev: Pointer to PCI device
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
 * Restart the card from scratch, as if from a cold-boot. Implementation
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
 * resembles the first-half of the e1000_resume routine.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
	struct net_device *netdev = pci_get_drvdata(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
	int err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
	pci_ers_result_t result;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
	err = pci_enable_device_mem(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
	if (err) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
		dev_err(&pdev->dev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
			"Cannot re-enable PCI device after reset.\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
		result = PCI_ERS_RESULT_DISCONNECT;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
		pci_set_master(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
		pdev->state_saved = true;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
		pci_restore_state(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
		pci_enable_wake(pdev, PCI_D3hot, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
		pci_enable_wake(pdev, PCI_D3cold, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
		e1000e_reset(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
		ew32(WUS, ~0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
		result = PCI_ERS_RESULT_RECOVERED;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
	pci_cleanup_aer_uncorrect_error_status(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
	return result;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
 * e1000_io_resume - called when traffic can start flowing again.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
 * @pdev: Pointer to PCI device
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
 * This callback is called when the error recovery driver tells us that
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
 * its OK to resume normal operation. Implementation resembles the
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
 * second-half of the e1000_resume routine.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
static void e1000_io_resume(struct pci_dev *pdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
	struct net_device *netdev = pci_get_drvdata(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
	e1000_init_manageability_pt(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
	if (netif_running(netdev)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
		if (e1000e_up(adapter)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
			dev_err(&pdev->dev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
				"can't bring device back up after reset\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
			return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
	netif_device_attach(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
	 * If the controller has AMT, do not set DRV_LOAD until the interface
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
	 * is up.  For all other cases, let the f/w know that the h/w is now
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
	 * under the control of the driver.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
	if (!(adapter->flags & FLAG_HAS_AMT))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
		e1000_get_hw_control(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
static void e1000_print_device_info(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
	struct net_device *netdev = adapter->netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
	u32 pba_num;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
	/* print bus type/speed/width info */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
	e_info("(PCI Express:2.5GB/s:%s) %pM\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
	       /* bus width */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
	       ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
	        "Width x1"),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
	       /* MAC address */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
	       netdev->dev_addr);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
	e_info("Intel(R) PRO/%s Network Connection\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
	       (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
	e1000e_read_pba_num(hw, &pba_num);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
	e_info("MAC: %d, PHY: %d, PBA No: %06x-%03x\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
	       hw->mac.type, hw->phy.type, (pba_num >> 8), (pba_num & 0xff));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
static void e1000_eeprom_checks(struct e1000_adapter *adapter)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
	struct e1000_hw *hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
	int ret_val;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
	u16 buf = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
	if (hw->mac.type != e1000_82573)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
		return;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
	if (!ret_val && (!(le16_to_cpu(buf) & (1 << 0)))) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
		/* Deep Smart Power Down (DSPD) */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
		dev_warn(&adapter->pdev->dev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
			 "Warning: detected DSPD enabled in EEPROM\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
static const struct net_device_ops e1000e_netdev_ops = {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
	.ndo_open		= e1000_open,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
	.ndo_stop		= e1000_close,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
	.ndo_start_xmit		= e1000_xmit_frame,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
	.ndo_get_stats		= e1000_get_stats,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
	.ndo_set_multicast_list	= e1000_set_multi,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
	.ndo_set_mac_address	= e1000_set_mac,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
	.ndo_change_mtu		= e1000_change_mtu,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
	.ndo_do_ioctl		= e1000_ioctl,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
	.ndo_tx_timeout		= e1000_tx_timeout,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
	.ndo_validate_addr	= eth_validate_addr,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
#ifdef CONFIG_NET_POLL_CONTROLLER
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
	.ndo_poll_controller	= e1000_netpoll,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
#endif
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
};
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
 * e1000_probe - Device Initialization Routine
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
 * @pdev: PCI device information struct
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
 * @ent: entry in e1000_pci_tbl
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
 * Returns 0 on success, negative on failure
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
 * e1000_probe initializes an adapter identified by a pci_dev structure.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
 * The OS initialization, configuring of the adapter private structure,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
 * and a hardware reset occur.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
static int __devinit e1000_probe(struct pci_dev *pdev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
				 const struct pci_device_id *ent)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
	struct net_device *netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
	struct e1000_adapter *adapter;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
	struct e1000_hw *hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
	resource_size_t mmio_start, mmio_len;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
	resource_size_t flash_start, flash_len;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
	static int cards_found;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
	int i, err, pci_using_dac;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
	u16 eeprom_data = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
	if (ei->flags2 & FLAG2_DISABLE_ASPM_L1)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
	err = pci_enable_device_mem(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
		return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
	pci_using_dac = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
	err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
	if (!err) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
		err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
		if (!err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
			pci_using_dac = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
	} else {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
		if (err) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
			err = dma_set_coherent_mask(&pdev->dev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
						    DMA_BIT_MASK(32));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
			if (err) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
				dev_err(&pdev->dev, "No usable DMA "
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
					"configuration, aborting\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
				goto err_dma;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
			}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
	err = pci_request_selected_regions_exclusive(pdev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
	                                  pci_select_bars(pdev, IORESOURCE_MEM),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
	                                  e1000e_driver_name);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
		goto err_pci_reg;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
	/* AER (Advanced Error Reporting) hooks */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
	pci_enable_pcie_error_reporting(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
	pci_set_master(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
	/* PCI config space info */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
	err = pci_save_state(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
		goto err_alloc_etherdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
	err = -ENOMEM;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
	if (!netdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
		goto err_alloc_etherdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
	SET_NETDEV_DEV(netdev, &pdev->dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
	netdev->irq = pdev->irq;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
	pci_set_drvdata(pdev, netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
	adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
	hw = &adapter->hw;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
	adapter->netdev = netdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
	adapter->pdev = pdev;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
	adapter->ei = ei;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
	adapter->pba = ei->pba;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
	adapter->flags = ei->flags;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
	adapter->flags2 = ei->flags2;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
	adapter->hw.adapter = adapter;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
	adapter->hw.mac.type = ei->mac;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
	adapter->max_hw_frame_size = ei->max_hw_frame_size;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
	adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
	mmio_start = pci_resource_start(pdev, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
	mmio_len = pci_resource_len(pdev, 0);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
	err = -EIO;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
	if (!adapter->hw.hw_addr)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
		goto err_ioremap;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
	if ((adapter->flags & FLAG_HAS_FLASH) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
	    (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
		flash_start = pci_resource_start(pdev, 1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
		flash_len = pci_resource_len(pdev, 1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
		if (!adapter->hw.flash_address)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
			goto err_flashmap;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
	/* construct the net_device struct */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
	netdev->netdev_ops		= &e1000e_netdev_ops;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
	e1000e_set_ethtool_ops(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
	netdev->watchdog_timeo		= 5 * HZ;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
	netdev->mem_start = mmio_start;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
	netdev->mem_end = mmio_start + mmio_len;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
	adapter->bd_number = cards_found++;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
	e1000e_check_options(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
	/* setup adapter struct */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
	err = e1000_sw_init(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
		goto err_sw_init;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
	err = -EIO;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
	err = ei->get_variants(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
		goto err_hw_init;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
	if ((adapter->flags & FLAG_IS_ICH) &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
	    (adapter->flags & FLAG_READ_ONLY_NVM))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
		e1000e_write_protect_nvm_ich8lan(&adapter->hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
	hw->mac.ops.get_bus_info(&adapter->hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
	adapter->hw.phy.autoneg_wait_to_complete = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
	/* Copper options */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
		adapter->hw.phy.mdix = AUTO_ALL_MODES;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
		adapter->hw.phy.disable_polarity_correction = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
		adapter->hw.phy.ms_type = e1000_ms_hw_default;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
	if (e1000_check_reset_block(&adapter->hw))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
		e_info("PHY reset is blocked due to SOL/IDER session.\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
	netdev->features = NETIF_F_SG |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
			   NETIF_F_HW_CSUM |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
			   NETIF_F_HW_VLAN_TX |
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
			   NETIF_F_HW_VLAN_RX;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
		netdev->features |= NETIF_F_HW_VLAN_FILTER;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
	netdev->features |= NETIF_F_TSO;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
	netdev->features |= NETIF_F_TSO6;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
	netdev->vlan_features |= NETIF_F_TSO;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
	netdev->vlan_features |= NETIF_F_TSO6;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
	netdev->vlan_features |= NETIF_F_HW_CSUM;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
	netdev->vlan_features |= NETIF_F_SG;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
	if (pci_using_dac)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
		netdev->features |= NETIF_F_HIGHDMA;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
	if (e1000e_enable_mng_pass_thru(&adapter->hw))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
		adapter->flags |= FLAG_MNG_PT_ENABLED;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
	 * before reading the NVM, reset the controller to
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
	 * put the device in a known good starting state
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
	adapter->hw.mac.ops.reset_hw(&adapter->hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
	 * systems with ASPM and others may see the checksum fail on the first
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
	 * attempt. Let's give it a few tries
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
	for (i = 0;; i++) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
		if (e1000_validate_nvm_checksum(&adapter->hw) >= 0)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
			break;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
		if (i == 2) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
			e_err("The NVM Checksum Is Not Valid\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
			err = -EIO;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
			goto err_eeprom;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
		}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5633
	e1000_eeprom_checks(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5634
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5635
	/* copy the MAC address */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5636
	if (e1000e_read_mac_addr(&adapter->hw))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5637
		e_err("NVM Read Error while reading MAC address\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5638
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5639
	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5640
	memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5641
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5642
	if (!is_valid_ether_addr(netdev->perm_addr)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5643
		e_err("Invalid MAC Address: %pM\n", netdev->perm_addr);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5644
		err = -EIO;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5645
		goto err_eeprom;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5646
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5647
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5648
	init_timer(&adapter->watchdog_timer);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5649
	adapter->watchdog_timer.function = &e1000_watchdog;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5650
	adapter->watchdog_timer.data = (unsigned long) adapter;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5651
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5652
	init_timer(&adapter->phy_info_timer);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5653
	adapter->phy_info_timer.function = &e1000_update_phy_info;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5654
	adapter->phy_info_timer.data = (unsigned long) adapter;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5655
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5656
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5657
	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5658
	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5659
	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5660
	INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5661
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5662
	/* Initialize link parameters. User can change them with ethtool */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5663
	adapter->hw.mac.autoneg = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5664
	adapter->fc_autoneg = 1;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5665
	adapter->hw.fc.requested_mode = e1000_fc_default;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5666
	adapter->hw.fc.current_mode = e1000_fc_default;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5667
	adapter->hw.phy.autoneg_advertised = 0x2f;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5668
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5669
	/* ring size defaults */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5670
	adapter->rx_ring->count = 256;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5671
	adapter->tx_ring->count = 256;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5672
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5673
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5674
	 * Initial Wake on LAN setting - If APM wake is enabled in
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5675
	 * the EEPROM, enable the ACPI Magic Packet filter
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5676
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5677
	if (adapter->flags & FLAG_APME_IN_WUC) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5678
		/* APME bit in EEPROM is mapped to WUC.APME */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5679
		eeprom_data = er32(WUC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5680
		eeprom_apme_mask = E1000_WUC_APME;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5681
		if (eeprom_data & E1000_WUC_PHY_WAKE)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5682
			adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5683
	} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5684
		if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5685
		    (adapter->hw.bus.func == 1))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5686
			e1000_read_nvm(&adapter->hw,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5687
				NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5688
		else
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5689
			e1000_read_nvm(&adapter->hw,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5690
				NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5691
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5692
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5693
	/* fetch WoL from EEPROM */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5694
	if (eeprom_data & eeprom_apme_mask)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5695
		adapter->eeprom_wol |= E1000_WUFC_MAG;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5696
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5697
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5698
	 * now that we have the eeprom settings, apply the special cases
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5699
	 * where the eeprom may be wrong or the board simply won't support
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5700
	 * wake on lan on a particular port
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5701
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5702
	if (!(adapter->flags & FLAG_HAS_WOL))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5703
		adapter->eeprom_wol = 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5704
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5705
	/* initialize the wol settings based on the eeprom settings */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5706
	adapter->wol = adapter->eeprom_wol;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5707
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5708
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5709
	/* save off EEPROM version number */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5710
	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5711
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5712
	/* reset the hardware with the new settings */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5713
	e1000e_reset(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5714
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5715
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5716
	 * If the controller has AMT, do not set DRV_LOAD until the interface
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5717
	 * is up.  For all other cases, let the f/w know that the h/w is now
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5718
	 * under the control of the driver.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5719
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5720
	if (!(adapter->flags & FLAG_HAS_AMT))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5721
		e1000_get_hw_control(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5722
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5723
	strcpy(netdev->name, "eth%d");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5724
	err = register_netdev(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5725
	if (err)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5726
		goto err_register;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5727
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5728
	/* carrier off reporting is important to ethtool even BEFORE open */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5729
	netif_carrier_off(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5730
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5731
	e1000_print_device_info(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5732
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5733
	if (pci_dev_run_wake(pdev)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5734
		pm_runtime_set_active(&pdev->dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5735
		pm_runtime_enable(&pdev->dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5736
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5737
	pm_schedule_suspend(&pdev->dev, MSEC_PER_SEC);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5738
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5739
	return 0;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5740
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5741
err_register:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5742
	if (!(adapter->flags & FLAG_HAS_AMT))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5743
		e1000_release_hw_control(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5744
err_eeprom:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5745
	if (!e1000_check_reset_block(&adapter->hw))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5746
		e1000_phy_hw_reset(&adapter->hw);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5747
err_hw_init:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5748
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5749
	kfree(adapter->tx_ring);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5750
	kfree(adapter->rx_ring);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5751
err_sw_init:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5752
	if (adapter->hw.flash_address)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5753
		iounmap(adapter->hw.flash_address);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5754
	e1000e_reset_interrupt_capability(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5755
err_flashmap:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5756
	iounmap(adapter->hw.hw_addr);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5757
err_ioremap:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5758
	free_netdev(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5759
err_alloc_etherdev:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5760
	pci_release_selected_regions(pdev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5761
	                             pci_select_bars(pdev, IORESOURCE_MEM));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5762
err_pci_reg:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5763
err_dma:
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5764
	pci_disable_device(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5765
	return err;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5766
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5767
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5768
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5769
 * e1000_remove - Device Removal Routine
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5770
 * @pdev: PCI device information struct
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5771
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5772
 * e1000_remove is called by the PCI subsystem to alert the driver
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5773
 * that it should release a PCI device.  The could be caused by a
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5774
 * Hot-Plug event, or because the driver is going to be removed from
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5775
 * memory.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5776
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5777
static void __devexit e1000_remove(struct pci_dev *pdev)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5778
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5779
	struct net_device *netdev = pci_get_drvdata(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5780
	struct e1000_adapter *adapter = netdev_priv(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5781
	bool down = test_bit(__E1000_DOWN, &adapter->state);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5782
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5783
	pm_runtime_get_sync(&pdev->dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5784
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5785
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5786
	 * flush_scheduled work may reschedule our watchdog task, so
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5787
	 * explicitly disable watchdog tasks from being rescheduled
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5788
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5789
	if (!down)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5790
		set_bit(__E1000_DOWN, &adapter->state);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5791
	del_timer_sync(&adapter->watchdog_timer);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5792
	del_timer_sync(&adapter->phy_info_timer);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5793
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5794
	cancel_work_sync(&adapter->reset_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5795
	cancel_work_sync(&adapter->watchdog_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5796
	cancel_work_sync(&adapter->downshift_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5797
	cancel_work_sync(&adapter->update_phy_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5798
	cancel_work_sync(&adapter->print_hang_task);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5799
	flush_scheduled_work();
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5800
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5801
	if (!(netdev->flags & IFF_UP))
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5802
		e1000_power_down_phy(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5803
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5804
	/* Don't lie to e1000_close() down the road. */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5805
	if (!down)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5806
		clear_bit(__E1000_DOWN, &adapter->state);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5807
	unregister_netdev(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5808
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5809
	if (pci_dev_run_wake(pdev)) {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5810
		pm_runtime_disable(&pdev->dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5811
		pm_runtime_set_suspended(&pdev->dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5812
	}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5813
	pm_runtime_put_noidle(&pdev->dev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5814
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5815
	/*
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5816
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5817
	 * would have already happened in close and is redundant.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5818
	 */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5819
	e1000_release_hw_control(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5820
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5821
	e1000e_reset_interrupt_capability(adapter);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5822
	kfree(adapter->tx_ring);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5823
	kfree(adapter->rx_ring);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5824
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5825
	iounmap(adapter->hw.hw_addr);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5826
	if (adapter->hw.flash_address)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5827
		iounmap(adapter->hw.flash_address);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5828
	pci_release_selected_regions(pdev,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5829
	                             pci_select_bars(pdev, IORESOURCE_MEM));
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5830
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5831
	free_netdev(netdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5832
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5833
	/* AER disable */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5834
	pci_disable_pcie_error_reporting(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5835
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5836
	pci_disable_device(pdev);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5837
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5838
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5839
/* PCI Error Recovery (ERS) */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5840
static struct pci_error_handlers e1000_err_handler = {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5841
	.error_detected = e1000_io_error_detected,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5842
	.slot_reset = e1000_io_slot_reset,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5843
	.resume = e1000_io_resume,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5844
};
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5845
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5846
static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5847
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5848
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5849
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5850
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP), board_82571 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5851
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5852
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5853
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5854
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5855
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5856
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5857
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5858
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5859
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5860
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5861
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5862
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5863
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5864
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5865
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5866
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5867
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5868
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5869
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5870
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5871
	  board_80003es2lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5872
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5873
	  board_80003es2lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5874
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_DPT),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5875
	  board_80003es2lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5876
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5877
	  board_80003es2lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5878
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5879
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5880
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5881
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5882
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_AMT), board_ich8lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5883
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5884
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5885
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5886
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5887
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5888
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5889
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5890
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5891
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5892
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5893
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5894
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5895
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5896
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5897
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5898
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LM), board_ich9lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5899
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5900
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5901
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5902
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5903
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5904
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_V), board_ich10lan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5905
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5906
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5907
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5908
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5909
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5910
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5911
	{ }	/* terminate list */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5912
};
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5913
MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5914
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5915
#ifdef CONFIG_PM_OPS
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5916
static const struct dev_pm_ops e1000_pm_ops = {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5917
	SET_SYSTEM_SLEEP_PM_OPS(e1000_suspend, e1000_resume)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5918
	SET_RUNTIME_PM_OPS(e1000_runtime_suspend,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5919
				e1000_runtime_resume, e1000_idle)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5920
};
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5921
#endif
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5922
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5923
/* PCI Device API Driver */
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5924
static struct pci_driver e1000_driver = {
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5925
	.name     = e1000e_driver_name,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5926
	.id_table = e1000_pci_tbl,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5927
	.probe    = e1000_probe,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5928
	.remove   = __devexit_p(e1000_remove),
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5929
#ifdef CONFIG_PM_OPS
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5930
	.driver.pm = &e1000_pm_ops,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5931
#endif
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5932
	.shutdown = e1000_shutdown,
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5933
	.err_handler = &e1000_err_handler
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5934
};
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5935
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5936
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5937
 * e1000_init_module - Driver Registration Routine
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5938
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5939
 * e1000_init_module is the first routine called when the driver is
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5940
 * loaded. All it does is register with the PCI subsystem.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5941
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5942
static int __init e1000_init_module(void)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5943
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5944
	int ret;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5945
	pr_info("Intel(R) PRO/1000 Network Driver - %s\n",
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5946
		e1000e_driver_version);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5947
	pr_info("Copyright (c) 1999 - 2009 Intel Corporation.\n");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5948
	ret = pci_register_driver(&e1000_driver);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5949
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5950
	return ret;
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5951
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5952
module_init(e1000_init_module);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5953
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5954
/**
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5955
 * e1000_exit_module - Driver Exit Cleanup Routine
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5956
 *
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5957
 * e1000_exit_module is called just before the driver is removed
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5958
 * from memory.
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5959
 **/
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5960
static void __exit e1000_exit_module(void)
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5961
{
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5962
	pci_unregister_driver(&e1000_driver);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5963
}
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5964
module_exit(e1000_exit_module);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5965
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5966
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5967
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5968
MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5969
MODULE_LICENSE("GPL");
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5970
MODULE_VERSION(DRV_VERSION);
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5971
0a6fc3f5f418 Added e1000e driver for 2.6.35.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5972
/* e1000_main.c */