devices/e1000e/netdev-2.6.37-ethercat.c
author Florian Pose <fp@igh-essen.com>
Tue, 10 Dec 2013 10:38:03 +0100
branchstable-1.5
changeset 2535 72b61b089625
parent 2500 97fd83907c7c
child 2582 87e502828b3f
permissions -rw-r--r--
Generic driver device activation in documentation.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2010 Intel Corporation.
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  This program is free software; you can redistribute it and/or modify it
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  under the terms and conditions of the GNU General Public License,
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  version 2, as published by the Free Software Foundation.
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  This program is distributed in the hope it will be useful, but WITHOUT
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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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  more details.
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  You should have received a copy of the GNU General Public License along with
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  this program; if not, write to the Free Software Foundation, Inc.,
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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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  The full GNU General Public License is included in this distribution in
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  the file called "COPYING".
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  Contact Information:
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  Linux NICS <linux.nics@intel.com>
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  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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  vim: noexpandtab
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*******************************************************************************/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/pci.h>
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#include <linux/vmalloc.h>
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#include <linux/pagemap.h>
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#include <linux/delay.h>
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#include <linux/netdevice.h>
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#include <linux/tcp.h>
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#include <linux/ipv6.h>
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#include <linux/slab.h>
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#include <net/checksum.h>
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#include <net/ip6_checksum.h>
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#include <linux/mii.h>
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#include <linux/ethtool.h>
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#include <linux/if_vlan.h>
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#include <linux/cpu.h>
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#include <linux/smp.h>
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#include <linux/pm_qos_params.h>
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#include <linux/pm_runtime.h>
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#include <linux/aer.h>
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#include "e1000-2.6.37-ethercat.h"
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#define DRV_EXTRAVERSION "-k2-EtherCAT"
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#define DRV_VERSION "1.2.7" DRV_EXTRAVERSION
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char e1000e_driver_name[] = "ec_e1000e";
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const char e1000e_driver_version[] = DRV_VERSION;
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static const struct e1000_info *e1000_info_tbl[] = {
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	[board_82571]		= &e1000_82571_info,
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	[board_82572]		= &e1000_82572_info,
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	[board_82573]		= &e1000_82573_info,
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	[board_82574]		= &e1000_82574_info,
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	[board_82583]		= &e1000_82583_info,
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	[board_80003es2lan]	= &e1000_es2_info,
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	[board_ich8lan]		= &e1000_ich8_info,
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	[board_ich9lan]		= &e1000_ich9_info,
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	[board_ich10lan]	= &e1000_ich10_info,
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	[board_pchlan]		= &e1000_pch_info,
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	[board_pch2lan]		= &e1000_pch2_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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parents:
diff changeset
   131
	{E1000_TDFH, "TDFH"},
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parents:
diff changeset
   132
	{E1000_TDFT, "TDFT"},
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
diff changeset
   133
	{E1000_TDFHS, "TDFHS"},
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
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   134
	{E1000_TDFTS, "TDFTS"},
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
diff changeset
   135
	{E1000_TDFPC, "TDFPC"},
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
diff changeset
   136
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
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   137
	/* List Terminator */
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parents:
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   138
	{}
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parents:
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   139
};
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parents:
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   140
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
diff changeset
   141
/*
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parents:
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   142
 * e1000_regdump - register printout routine
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parents:
diff changeset
   143
 */
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   144
static void e1000_regdump(struct e1000_hw *hw, struct e1000_reg_info *reginfo)
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   145
{
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parents:
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   146
	int n = 0;
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   147
	char rname[16];
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parents:
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   148
	u32 regs[8];
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parents:
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   149
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   150
	switch (reginfo->ofs) {
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parents:
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   151
	case E1000_RXDCTL(0):
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   152
		for (n = 0; n < 2; n++)
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   153
			regs[n] = __er32(hw, E1000_RXDCTL(n));
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   154
		break;
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parents:
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   155
	case E1000_TXDCTL(0):
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   156
		for (n = 0; n < 2; n++)
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diff changeset
   157
			regs[n] = __er32(hw, E1000_TXDCTL(n));
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   158
		break;
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parents:
diff changeset
   159
	case E1000_TARC(0):
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   160
		for (n = 0; n < 2; n++)
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diff changeset
   161
			regs[n] = __er32(hw, E1000_TARC(n));
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
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   162
		break;
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parents:
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   163
	default:
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   164
		printk(KERN_INFO "%-15s %08x\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   165
			reginfo->name, __er32(hw, reginfo->ofs));
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parents:
diff changeset
   166
		return;
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parents:
diff changeset
   167
	}
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parents:
diff changeset
   168
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
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   169
	snprintf(rname, 16, "%s%s", reginfo->name, "[0-1]");
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   170
	printk(KERN_INFO "%-15s ", rname);
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
diff changeset
   171
	for (n = 0; n < 2; n++)
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parents:
diff changeset
   172
		printk(KERN_CONT "%08x ", regs[n]);
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parents:
diff changeset
   173
	printk(KERN_CONT "\n");
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parents:
diff changeset
   174
}
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
diff changeset
   175
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   176
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
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   177
/*
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parents:
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   178
 * e1000e_dump - Print registers, tx-ring and rx-ring
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diff changeset
   179
 */
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   180
static void e1000e_dump(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
diff changeset
   181
{
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   182
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
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parents:
diff changeset
   184
	struct e1000_reg_info *reginfo;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   185
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
	struct e1000_tx_desc *tx_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
	struct my_u0 { u64 a; u64 b; } *u0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
	struct e1000_buffer *buffer_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
	struct e1000_ring *rx_ring = adapter->rx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
	union e1000_rx_desc_packet_split *rx_desc_ps;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
	struct e1000_rx_desc *rx_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
	struct my_u1 { u64 a; u64 b; u64 c; u64 d; } *u1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
	u32 staterr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
	int i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
	if (!netif_msg_hw(adapter))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
	/* Print netdevice Info */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
	if (netdev) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
		dev_info(&adapter->pdev->dev, "Net device Info\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
		printk(KERN_INFO "Device Name     state            "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
			"trans_start      last_rx\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
		printk(KERN_INFO "%-15s %016lX %016lX %016lX\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
			netdev->name,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
			netdev->state,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
			netdev->trans_start,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
			netdev->last_rx);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
	/* Print Registers */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
	dev_info(&adapter->pdev->dev, "Register Dump\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
	printk(KERN_INFO " Register Name   Value\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
	for (reginfo = (struct e1000_reg_info *)e1000_reg_info_tbl;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
	     reginfo->name; reginfo++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
		e1000_regdump(hw, reginfo);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
	/* Print TX Ring Summary */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
	if (!netdev || !netif_running(netdev))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
		goto exit;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
	dev_info(&adapter->pdev->dev, "TX Rings Summary\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
	printk(KERN_INFO "Queue [NTU] [NTC] [bi(ntc)->dma  ]"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
		" leng ntw timestamp\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
	buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
	printk(KERN_INFO " %5d %5X %5X %016llX %04X %3X %016llX\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
		0, tx_ring->next_to_use, tx_ring->next_to_clean,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
		(unsigned long long)buffer_info->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
		buffer_info->length,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
		buffer_info->next_to_watch,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
		(unsigned long long)buffer_info->time_stamp);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
	/* Print TX Rings */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
	if (!netif_msg_tx_done(adapter))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
		goto rx_ring_summary;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
	dev_info(&adapter->pdev->dev, "TX Rings Dump\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
	/* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
	 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
	 * Legacy Transmit Descriptor
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
	 *   +--------------------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
	 * 0 |         Buffer Address [63:0] (Reserved on Write Back)       |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
	 *   +--------------------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
	 * 8 | Special  |    CSS     | Status |  CMD    |  CSO   |  Length  |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
	 *   +--------------------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
	 *   63       48 47        36 35    32 31     24 23    16 15        0
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
	 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
	 * Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
	 *   63      48 47    40 39       32 31             16 15    8 7      0
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
	 *   +----------------------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
	 * 0 |  TUCSE  | TUCS0  |   TUCSS   |     IPCSE       | IPCS0 | IPCSS |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
	 *   +----------------------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
	 * 8 |   MSS   | HDRLEN | RSV | STA | TUCMD | DTYP |      PAYLEN      |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
	 *   +----------------------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
	 *   63      48 47    40 39 36 35 32 31   24 23  20 19                0
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
	 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
	 * Extended Data Descriptor (DTYP=0x1)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
	 *   +----------------------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
	 * 0 |                     Buffer Address [63:0]                      |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	 *   +----------------------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
	 * 8 | VLAN tag |  POPTS  | Rsvd | Status | Command | DTYP |  DTALEN  |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
	 *   +----------------------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
	 *   63       48 47     40 39  36 35    32 31     24 23  20 19        0
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
	printk(KERN_INFO "Tl[desc]     [address 63:0  ] [SpeCssSCmCsLen]"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
		" [bi->dma       ] leng  ntw timestamp        bi->skb "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
		"<-- Legacy format\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
	printk(KERN_INFO "Tc[desc]     [Ce CoCsIpceCoS] [MssHlRSCm0Plen]"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
		" [bi->dma       ] leng  ntw timestamp        bi->skb "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
		"<-- Ext Context format\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
	printk(KERN_INFO "Td[desc]     [address 63:0  ] [VlaPoRSCm1Dlen]"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
		" [bi->dma       ] leng  ntw timestamp        bi->skb "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
		"<-- Ext Data format\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
	for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
		tx_desc = E1000_TX_DESC(*tx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
		buffer_info = &tx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
		u0 = (struct my_u0 *)tx_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
		printk(KERN_INFO "T%c[0x%03X]    %016llX %016llX %016llX "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
			"%04X  %3X %016llX %p",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
		       (!(le64_to_cpu(u0->b) & (1<<29)) ? 'l' :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
			((le64_to_cpu(u0->b) & (1<<20)) ? 'd' : 'c')), i,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
		       (unsigned long long)le64_to_cpu(u0->a),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
		       (unsigned long long)le64_to_cpu(u0->b),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
		       (unsigned long long)buffer_info->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
		       buffer_info->length, buffer_info->next_to_watch,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
		       (unsigned long long)buffer_info->time_stamp,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
		       buffer_info->skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
		if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
			printk(KERN_CONT " NTC/U\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
		else if (i == tx_ring->next_to_use)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
			printk(KERN_CONT " NTU\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
		else if (i == tx_ring->next_to_clean)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
			printk(KERN_CONT " NTC\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
		else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
			printk(KERN_CONT "\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
		if (netif_msg_pktdata(adapter) && buffer_info->dma != 0)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
			print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
					16, 1, phys_to_virt(buffer_info->dma),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
					buffer_info->length, true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
	/* Print RX Rings Summary */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
rx_ring_summary:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
	dev_info(&adapter->pdev->dev, "RX Rings Summary\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
	printk(KERN_INFO "Queue [NTU] [NTC]\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
	printk(KERN_INFO " %5d %5X %5X\n", 0,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
		rx_ring->next_to_use, rx_ring->next_to_clean);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
	/* Print RX Rings */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
	if (!netif_msg_rx_status(adapter))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
		goto exit;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
	dev_info(&adapter->pdev->dev, "RX Rings Dump\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
	switch (adapter->rx_ps_pages) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	case 1:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
	case 2:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
	case 3:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
		/* [Extended] Packet Split Receive Descriptor Format
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
		 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
		 *    +-----------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
		 *  0 |                Buffer Address 0 [63:0]              |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
		 *    +-----------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
		 *  8 |                Buffer Address 1 [63:0]              |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
		 *    +-----------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
		 * 16 |                Buffer Address 2 [63:0]              |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
		 *    +-----------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		 * 24 |                Buffer Address 3 [63:0]              |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		 *    +-----------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
		printk(KERN_INFO "R  [desc]      [buffer 0 63:0 ] "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
			"[buffer 1 63:0 ] "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
		       "[buffer 2 63:0 ] [buffer 3 63:0 ] [bi->dma       ] "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
		       "[bi->skb] <-- Ext Pkt Split format\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
		/* [Extended] Receive Descriptor (Write-Back) Format
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
		 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
		 *   63       48 47    32 31     13 12    8 7    4 3        0
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		 *   +------------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		 * 0 | Packet   | IP     |  Rsvd   | MRQ   | Rsvd | MRQ RSS |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
		 *   | Checksum | Ident  |         | Queue |      |  Type   |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
		 *   +------------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
		 *   +------------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
		 *   63       48 47    32 31            20 19               0
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
		printk(KERN_INFO "RWB[desc]      [ck ipid mrqhsh] "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
			"[vl   l0 ee  es] "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
		       "[ l3  l2  l1 hs] [reserved      ] ---------------- "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
		       "[bi->skb] <-- Ext Rx Write-Back format\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
		for (i = 0; i < rx_ring->count; i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
			buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
			rx_desc_ps = E1000_RX_DESC_PS(*rx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
			u1 = (struct my_u1 *)rx_desc_ps;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
			staterr =
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
				le32_to_cpu(rx_desc_ps->wb.middle.status_error);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
			if (staterr & E1000_RXD_STAT_DD) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
				/* Descriptor Done */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
				printk(KERN_INFO "RWB[0x%03X]     %016llX "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
					"%016llX %016llX %016llX "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
					"---------------- %p", i,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
					(unsigned long long)le64_to_cpu(u1->a),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
					(unsigned long long)le64_to_cpu(u1->b),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
					(unsigned long long)le64_to_cpu(u1->c),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
					(unsigned long long)le64_to_cpu(u1->d),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
					buffer_info->skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
			} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
				printk(KERN_INFO "R  [0x%03X]     %016llX "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
					"%016llX %016llX %016llX %016llX %p", i,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
					(unsigned long long)le64_to_cpu(u1->a),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
					(unsigned long long)le64_to_cpu(u1->b),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
					(unsigned long long)le64_to_cpu(u1->c),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
					(unsigned long long)le64_to_cpu(u1->d),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
					(unsigned long long)buffer_info->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
					buffer_info->skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
				if (netif_msg_pktdata(adapter))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
					print_hex_dump(KERN_INFO, "",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
						DUMP_PREFIX_ADDRESS, 16, 1,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
						phys_to_virt(buffer_info->dma),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
						adapter->rx_ps_bsize0, true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
			if (i == rx_ring->next_to_use)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
				printk(KERN_CONT " NTU\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
			else if (i == rx_ring->next_to_clean)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
				printk(KERN_CONT " NTC\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
			else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
				printk(KERN_CONT "\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
	case 0:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
		/* Legacy Receive Descriptor Format
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
		 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
		 * +-----------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		 * |                Buffer Address [63:0]                |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
		 * +-----------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
		 * | VLAN Tag | Errors | Status 0 | Packet csum | Length |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
		 * +-----------------------------------------------------+
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
		 * 63       48 47    40 39      32 31         16 15      0
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
		printk(KERN_INFO "Rl[desc]     [address 63:0  ] "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
			"[vl er S cks ln] [bi->dma       ] [bi->skb] "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
			"<-- Legacy format\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
		for (i = 0; rx_ring->desc && (i < rx_ring->count); i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
			rx_desc = E1000_RX_DESC(*rx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
			buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
			u0 = (struct my_u0 *)rx_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
			printk(KERN_INFO "Rl[0x%03X]    %016llX %016llX "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
				"%016llX %p", i,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
				(unsigned long long)le64_to_cpu(u0->a),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
				(unsigned long long)le64_to_cpu(u0->b),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
				(unsigned long long)buffer_info->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
				buffer_info->skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
			if (i == rx_ring->next_to_use)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
				printk(KERN_CONT " NTU\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
			else if (i == rx_ring->next_to_clean)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
				printk(KERN_CONT " NTC\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
			else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
				printk(KERN_CONT "\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
			if (netif_msg_pktdata(adapter))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
				print_hex_dump(KERN_INFO, "",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
					DUMP_PREFIX_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
					16, 1, phys_to_virt(buffer_info->dma),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
					adapter->rx_buffer_len, true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
exit:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
	return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
 * e1000_desc_unused - calculate if we have unused descriptors
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
static int e1000_desc_unused(struct e1000_ring *ring)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
	if (ring->next_to_clean > ring->next_to_use)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
		return ring->next_to_clean - ring->next_to_use - 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
 * e1000_receive_skb - helper function to handle Rx indications
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
 * @status: descriptor status field as written by hardware
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
 * @skb: pointer to sk_buff to be indicated to stack
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
static void e1000_receive_skb(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
			      struct net_device *netdev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
			      struct sk_buff *skb,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
			      u8 status, __le16 vlan)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	skb->protocol = eth_type_trans(skb, netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
	if (adapter->vlgrp && (status & E1000_RXD_STAT_VP))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
		vlan_gro_receive(&adapter->napi, adapter->vlgrp,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
				 le16_to_cpu(vlan), skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
		napi_gro_receive(&adapter->napi, skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
 * e1000_rx_checksum - Receive Checksum Offload for 82543
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
 * @adapter:     board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
 * @status_err:  receive descriptor status and error fields
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
 * @csum:	receive descriptor csum field
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
 * @sk_buff:     socket buffer with received data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
			      u32 csum, struct sk_buff *skb)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
	u16 status = (u16)status_err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
	u8 errors = (u8)(status_err >> 24);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	skb_checksum_none_assert(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
	/* Ignore Checksum bit is set */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	if (status & E1000_RXD_STAT_IXSM)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
	/* TCP/UDP checksum error bit is set */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
	if (errors & E1000_RXD_ERR_TCPE) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
		/* let the stack verify checksum errors */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
		adapter->hw_csum_err++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
	/* TCP/UDP Checksum has not been calculated */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
	if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
	/* It must be a TCP or UDP packet with a valid checksum */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
	if (status & E1000_RXD_STAT_TCPCS) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		/* TCP checksum is good */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		skb->ip_summed = CHECKSUM_UNNECESSARY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
		 * IP fragment with UDP payload
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
		 * Hardware complements the payload checksum, so we undo it
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
		 * and then put the value in host order for further stack use.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
		__sum16 sum = (__force __sum16)htons(csum);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
		skb->csum = csum_unfold(~sum);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
		skb->ip_summed = CHECKSUM_COMPLETE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
	adapter->hw_csum_good++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
 * @adapter: address of board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
				   int cleaned_count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	struct e1000_ring *rx_ring = adapter->rx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
	struct e1000_rx_desc *rx_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	struct e1000_buffer *buffer_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	struct sk_buff *skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	unsigned int i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	unsigned int bufsz = adapter->rx_buffer_len;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
	i = rx_ring->next_to_use;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	while (cleaned_count--) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
		skb = buffer_info->skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
		if (skb) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
			skb_trim(skb, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
			goto map_skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
		if (!skb) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
			/* Better luck next round */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
			adapter->alloc_rx_buff_failed++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
		buffer_info->skb = skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
map_skb:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
						  adapter->rx_buffer_len,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
						  DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
			dev_err(&pdev->dev, "RX DMA map failed\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
			adapter->rx_dma_failed++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
		rx_desc = E1000_RX_DESC(*rx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
			/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
			 * Force memory writes to complete before letting h/w
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
			 * know there are new descriptors to fetch.  (Only
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
			 * applicable for weak-ordered memory model archs,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
			 * such as IA-64).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
			wmb();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
			writel(i, adapter->hw.hw_addr + rx_ring->tail);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
		i++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
		if (i == rx_ring->count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
			i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
		buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
	rx_ring->next_to_use = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
 * @adapter: address of board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
				      int cleaned_count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	union e1000_rx_desc_packet_split *rx_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	struct e1000_ring *rx_ring = adapter->rx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	struct e1000_buffer *buffer_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	struct e1000_ps_page *ps_page;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
	struct sk_buff *skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	unsigned int i, j;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	i = rx_ring->next_to_use;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	while (cleaned_count--) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
			ps_page = &buffer_info->ps_pages[j];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
			if (j >= adapter->rx_ps_pages) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
				/* all unused desc entries get hw null ptr */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
				rx_desc->read.buffer_addr[j+1] = ~cpu_to_le64(0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
				continue;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
			if (!ps_page->page) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
				ps_page->page = netdev_alloc_page(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
				if (!ps_page->page) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
					adapter->alloc_rx_buff_failed++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
					goto no_buffers;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
				}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
				ps_page->dma = dma_map_page(&pdev->dev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
							    ps_page->page,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
							    0, PAGE_SIZE,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
							    DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
				if (dma_mapping_error(&pdev->dev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
						      ps_page->dma)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
					dev_err(&adapter->pdev->dev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
					  "RX DMA page map failed\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
					adapter->rx_dma_failed++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
					goto no_buffers;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
				}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
			/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
			 * Refresh the desc even if buffer_addrs
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
			 * didn't change because each write-back
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
			 * erases this info.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
			rx_desc->read.buffer_addr[j+1] =
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
			     cpu_to_le64(ps_page->dma);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
		skb = netdev_alloc_skb_ip_align(netdev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
						adapter->rx_ps_bsize0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
		if (!skb) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
			adapter->alloc_rx_buff_failed++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
		buffer_info->skb = skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
						  adapter->rx_ps_bsize0,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
						  DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
			dev_err(&pdev->dev, "RX DMA map failed\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
			adapter->rx_dma_failed++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
			/* cleanup skb */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
			dev_kfree_skb_any(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
			buffer_info->skb = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
			/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
			 * Force memory writes to complete before letting h/w
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
			 * know there are new descriptors to fetch.  (Only
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
			 * applicable for weak-ordered memory model archs,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
			 * such as IA-64).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
			wmb();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
			writel(i<<1, adapter->hw.hw_addr + rx_ring->tail);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
		i++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
		if (i == rx_ring->count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
			i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
		buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
no_buffers:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
	rx_ring->next_to_use = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
 * @adapter: address of board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
 * @cleaned_count: number of buffers to allocate this pass
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
                                         int cleaned_count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	struct e1000_rx_desc *rx_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	struct e1000_ring *rx_ring = adapter->rx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	struct e1000_buffer *buffer_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
	struct sk_buff *skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	unsigned int i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
	unsigned int bufsz = 256 - 16 /* for skb_reserve */;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
	i = rx_ring->next_to_use;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
	while (cleaned_count--) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
		skb = buffer_info->skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
		if (skb) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
			skb_trim(skb, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
			goto check_page;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
		if (unlikely(!skb)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
			/* Better luck next round */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
			adapter->alloc_rx_buff_failed++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
		buffer_info->skb = skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
check_page:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
		/* allocate a new page if necessary */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
		if (!buffer_info->page) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
			buffer_info->page = alloc_page(GFP_ATOMIC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
			if (unlikely(!buffer_info->page)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
				adapter->alloc_rx_buff_failed++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
				break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
		if (!buffer_info->dma)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
			buffer_info->dma = dma_map_page(&pdev->dev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
			                                buffer_info->page, 0,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
			                                PAGE_SIZE,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
							DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
		rx_desc = E1000_RX_DESC(*rx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
		if (unlikely(++i == rx_ring->count))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
			i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
		buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
	if (likely(rx_ring->next_to_use != i)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
		rx_ring->next_to_use = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
		if (unlikely(i-- == 0))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
			i = (rx_ring->count - 1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
		/* Force memory writes to complete before letting h/w
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		 * know there are new descriptors to fetch.  (Only
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
		 * applicable for weak-ordered memory model archs,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
		 * such as IA-64). */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
		wmb();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
		writel(i, adapter->hw.hw_addr + rx_ring->tail);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
 * the return value indicates whether actual cleaning was done, there
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
 * is no guarantee that everything was cleaned
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
			       int *work_done, int work_to_do)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	struct e1000_ring *rx_ring = adapter->rx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
	struct e1000_rx_desc *rx_desc, *next_rxd;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	struct e1000_buffer *buffer_info, *next_buffer;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	u32 length;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	unsigned int i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	int cleaned_count = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
	bool cleaned = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	i = rx_ring->next_to_clean;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
	rx_desc = E1000_RX_DESC(*rx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
	while (rx_desc->status & E1000_RXD_STAT_DD) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
		struct sk_buff *skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
		u8 status;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
		if (*work_done >= work_to_do)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
		(*work_done)++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
		rmb();	/* read descriptor and rx_buffer_info after status DD */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
		status = rx_desc->status;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
		skb = buffer_info->skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
		if (!adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
			buffer_info->skb = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
		prefetch(skb->data - NET_IP_ALIGN);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
		i++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
		if (i == rx_ring->count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
			i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
		next_rxd = E1000_RX_DESC(*rx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
		prefetch(next_rxd);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
		next_buffer = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
		cleaned = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
		cleaned_count++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
		dma_unmap_single(&pdev->dev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
				 buffer_info->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
				 adapter->rx_buffer_len,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
				 DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
		buffer_info->dma = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		length = le16_to_cpu(rx_desc->length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
		 * !EOP means multiple descriptors were used to store a single
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		 * packet, if that's the case we need to toss it.  In fact, we
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
		 * need to toss every packet with the EOP bit clear and the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
		 * next frame that _does_ have the EOP bit set, as it is by
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
		 * definition only a frame fragment
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
			adapter->flags2 |= FLAG2_IS_DISCARDING;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
			/* All receives must fit into a single buffer */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
			e_dbg("Receive packet consumed multiple buffers\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
			/* recycle */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
			buffer_info->skb = skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
			if (status & E1000_RXD_STAT_EOP)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
			goto next_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
		if (!adapter->ecdev && (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
			/* recycle */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
			buffer_info->skb = skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
			goto next_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
		/* adjust length to remove Ethernet CRC */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
			length -= 4;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
		total_rx_bytes += length;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
		total_rx_packets++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
		 * code added for copybreak, this should improve
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
		 * performance for small packets with large amounts
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
		 * of reassembly being done in the stack
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
		if (!adapter->ecdev && length < copybreak) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
			struct sk_buff *new_skb =
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
			    netdev_alloc_skb_ip_align(netdev, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
			if (new_skb) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
				skb_copy_to_linear_data_offset(new_skb,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
							       -NET_IP_ALIGN,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
							       (skb->data -
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
								NET_IP_ALIGN),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
							       (length +
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
								NET_IP_ALIGN));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
				/* save the skb in buffer_info as good */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
				buffer_info->skb = skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
				skb = new_skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
			/* else just continue with the old one */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
		/* end copybreak code */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
		skb_put(skb, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
		/* Receive Checksum Offload */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
		e1000_rx_checksum(adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
				  (u32)(status) |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
				  ((u32)(rx_desc->errors) << 24),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
				  le16_to_cpu(rx_desc->csum), skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
		if (adapter->ecdev) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
			ecdev_receive(adapter->ecdev, skb->data, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
			adapter->ec_watchdog_jiffies = jiffies;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
			e1000_receive_skb(adapter, netdev, skb,status,rx_desc->special);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
next_desc:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
		rx_desc->status = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
		/* return some buffers to hardware, one at a time is too slow */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
			adapter->alloc_rx_buf(adapter, cleaned_count);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
			cleaned_count = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		/* use prefetched values */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
		rx_desc = next_rxd;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
		buffer_info = next_buffer;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
	rx_ring->next_to_clean = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
	cleaned_count = e1000_desc_unused(rx_ring);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
	if (cleaned_count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
		adapter->alloc_rx_buf(adapter, cleaned_count);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	adapter->total_rx_bytes += total_rx_bytes;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	adapter->total_rx_packets += total_rx_packets;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	netdev->stats.rx_bytes += total_rx_bytes;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
	netdev->stats.rx_packets += total_rx_packets;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
	return cleaned;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
static void e1000_put_txbuf(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
			     struct e1000_buffer *buffer_info)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
	if (adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
	if (buffer_info->dma) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
		if (buffer_info->mapped_as_page)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
				       buffer_info->length, DMA_TO_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
		else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
					 buffer_info->length, DMA_TO_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
		buffer_info->dma = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
	if (buffer_info->skb) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
		dev_kfree_skb_any(buffer_info->skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
		buffer_info->skb = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
	buffer_info->time_stamp = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
static void e1000_print_hw_hang(struct work_struct *work)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	struct e1000_adapter *adapter = container_of(work,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	                                             struct e1000_adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	                                             print_hang_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	unsigned int i = tx_ring->next_to_clean;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
	u16 phy_status, phy_1000t_status, phy_ext_status;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	u16 pci_status;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	e1e_rphy(hw, PHY_STATUS, &phy_status);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
	e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	/* detected Hardware unit hang */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	e_err("Detected Hardware Unit Hang:\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	      "  TDH                  <%x>\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	      "  TDT                  <%x>\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	      "  next_to_use          <%x>\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	      "  next_to_clean        <%x>\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	      "buffer_info[next_to_clean]:\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	      "  time_stamp           <%lx>\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	      "  next_to_watch        <%x>\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	      "  jiffies              <%lx>\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	      "  next_to_watch.status <%x>\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	      "MAC Status             <%x>\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	      "PHY Status             <%x>\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	      "PHY 1000BASE-T Status  <%x>\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	      "PHY Extended Status    <%x>\n"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	      "PCI Status             <%x>\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
	      readl(adapter->hw.hw_addr + tx_ring->head),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	      readl(adapter->hw.hw_addr + tx_ring->tail),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	      tx_ring->next_to_use,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
	      tx_ring->next_to_clean,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	      tx_ring->buffer_info[eop].time_stamp,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	      eop,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
	      jiffies,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	      eop_desc->upper.fields.status,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	      er32(STATUS),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	      phy_status,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	      phy_1000t_status,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
	      phy_ext_status,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
	      pci_status);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
 * the return value indicates whether actual cleaning was done, there
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
 * is no guarantee that everything was cleaned
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	struct e1000_tx_desc *tx_desc, *eop_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	struct e1000_buffer *buffer_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	unsigned int i, eop;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	unsigned int count = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	unsigned int total_tx_bytes = 0, total_tx_packets = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	i = tx_ring->next_to_clean;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
	eop = tx_ring->buffer_info[i].next_to_watch;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	       (count < tx_ring->count)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
		bool cleaned = false;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
		rmb(); /* read buffer_info after eop_desc */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
		for (; !cleaned; count++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
			tx_desc = E1000_TX_DESC(*tx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
			buffer_info = &tx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
			cleaned = (i == eop);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
			if (cleaned) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
				total_tx_packets += buffer_info->segs;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
				total_tx_bytes += buffer_info->bytecount;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
			e1000_put_txbuf(adapter, buffer_info);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
			tx_desc->upper.data = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
			i++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
			if (i == tx_ring->count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
				i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		if (i == tx_ring->next_to_use)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
		eop = tx_ring->buffer_info[i].next_to_watch;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	tx_ring->next_to_clean = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
#define TX_WAKE_THRESHOLD 32
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	if (!adapter->ecdev && count && netif_carrier_ok(netdev) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	    e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
		/* Make sure that anybody stopping the queue after this
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		 * sees the new next_to_clean.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
		smp_mb();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
		if (netif_queue_stopped(netdev) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
		    !(test_bit(__E1000_DOWN, &adapter->state))) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
			netif_wake_queue(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
			++adapter->restart_queue;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
	if (!adapter->ecdev && adapter->detect_tx_hung) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		 * Detect a transmit hang in hardware, this serializes the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		 * check with the clearing of time_stamp and movement of i
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		adapter->detect_tx_hung = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
		if (tx_ring->buffer_info[i].time_stamp &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
			       + (adapter->tx_timeout_factor * HZ)) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
			schedule_work(&adapter->print_hang_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
			netif_stop_queue(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	adapter->total_tx_bytes += total_tx_bytes;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	adapter->total_tx_packets += total_tx_packets;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	netdev->stats.tx_bytes += total_tx_bytes;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	netdev->stats.tx_packets += total_tx_packets;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	return count < tx_ring->count;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
 * the return value indicates whether actual cleaning was done, there
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
 * is no guarantee that everything was cleaned
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
				  int *work_done, int work_to_do)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	struct e1000_ring *rx_ring = adapter->rx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	struct e1000_buffer *buffer_info, *next_buffer;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	struct e1000_ps_page *ps_page;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	struct sk_buff *skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	unsigned int i, j;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	u32 length, staterr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	int cleaned_count = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	bool cleaned = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
	i = rx_ring->next_to_clean;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
	while (staterr & E1000_RXD_STAT_DD) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
		if (*work_done >= work_to_do)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		(*work_done)++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
		skb = buffer_info->skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
		rmb();	/* read descriptor and rx_buffer_info after status DD */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
		/* in the packet split case this is header only */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
		prefetch(skb->data - NET_IP_ALIGN);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
		i++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
		if (i == rx_ring->count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
			i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
		prefetch(next_rxd);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
		next_buffer = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
		cleaned = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
		cleaned_count++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
		dma_unmap_single(&pdev->dev, buffer_info->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
				 adapter->rx_ps_bsize0,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
				 DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		buffer_info->dma = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
		/* see !EOP comment in other rx routine */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
		if (!(staterr & E1000_RXD_STAT_EOP))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
			adapter->flags2 |= FLAG2_IS_DISCARDING;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
			e_dbg("Packet Split buffers didn't pick up the full "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
			      "packet\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
			if (!adapter->ecdev) dev_kfree_skb_irq(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
			if (staterr & E1000_RXD_STAT_EOP)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
			goto next_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
		if (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
			if (!adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
				dev_kfree_skb_irq(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
			goto next_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		length = le16_to_cpu(rx_desc->wb.middle.length0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
		if (!length) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
			e_dbg("Last part of the packet spanning multiple "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
			      "descriptors\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
			if (!adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
				dev_kfree_skb_irq(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
			goto next_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		/* Good Receive */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		skb_put(skb, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		 * this looks ugly, but it seems compiler issues make it
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		 * more efficient than reusing j
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
		 * page alloc/put takes too long and effects small packet
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		 * throughput, so unsplit small packets and save the alloc/put
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		 * only valid in softirq (napi) context to call kmap_*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
		if (l1 && (l1 <= copybreak) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
		    ((length + l1) <= adapter->rx_ps_bsize0)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
			u8 *vaddr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
			ps_page = &buffer_info->ps_pages[0];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
			/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
			 * there is no documentation about how to call
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
			 * kmap_atomic, so we can't hold the mapping
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
			 * very long
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
			dma_sync_single_for_cpu(&pdev->dev, ps_page->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
						PAGE_SIZE, DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
			vaddr = kmap_atomic(ps_page->page, KM_SKB_DATA_SOFTIRQ);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
			memcpy(skb_tail_pointer(skb), vaddr, l1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
			dma_sync_single_for_device(&pdev->dev, ps_page->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
						   PAGE_SIZE, DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
			/* remove the CRC */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
			if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
				l1 -= 4;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
			skb_put(skb, l1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
			goto copydone;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
		} /* if */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
			length = le16_to_cpu(rx_desc->wb.upper.length[j]);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
			if (!length)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
				break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
			ps_page = &buffer_info->ps_pages[j];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
				       DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
			ps_page->dma = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
			skb_add_rx_frag(skb, j, ps_page->page, 0, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
			ps_page->page = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
		/* strip the ethernet crc, problem is we're using pages now so
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
		 * this whole operation can get a little cpu intensive
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
			pskb_trim(skb, skb->len - 4);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
copydone:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
		total_rx_bytes += skb->len;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		total_rx_packets++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		e1000_rx_checksum(adapter, staterr, le16_to_cpu(
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
			rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
		if (rx_desc->wb.upper.header_status &
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
			adapter->rx_hdr_split++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
		if (adapter->ecdev) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
			ecdev_receive(adapter->ecdev, skb->data, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
			adapter->ec_watchdog_jiffies = jiffies;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
			e1000_receive_skb(adapter, netdev, skb,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
					  staterr, rx_desc->wb.middle.vlan);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
next_desc:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
		if (!adapter->ecdev) buffer_info->skb = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
		/* return some buffers to hardware, one at a time is too slow */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
			adapter->alloc_rx_buf(adapter, cleaned_count);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
			cleaned_count = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
		/* use prefetched values */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
		rx_desc = next_rxd;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
		buffer_info = next_buffer;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	rx_ring->next_to_clean = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
	cleaned_count = e1000_desc_unused(rx_ring);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
	if (cleaned_count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
		adapter->alloc_rx_buf(adapter, cleaned_count);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	adapter->total_rx_bytes += total_rx_bytes;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	adapter->total_rx_packets += total_rx_packets;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	netdev->stats.rx_bytes += total_rx_bytes;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
	netdev->stats.rx_packets += total_rx_packets;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
	return cleaned;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
 * e1000_consume_page - helper function
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
                               u16 length)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	bi->page = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	skb->len += length;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
	skb->data_len += length;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
	skb->truesize += length;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
 * the return value indicates whether actual cleaning was done, there
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
 * is no guarantee that everything was cleaned
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
                                     int *work_done, int work_to_do)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	struct e1000_ring *rx_ring = adapter->rx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	struct e1000_rx_desc *rx_desc, *next_rxd;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	struct e1000_buffer *buffer_info, *next_buffer;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	u32 length;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	unsigned int i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	int cleaned_count = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
	bool cleaned = false;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	unsigned int total_rx_bytes=0, total_rx_packets=0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	i = rx_ring->next_to_clean;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
	rx_desc = E1000_RX_DESC(*rx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
	while (rx_desc->status & E1000_RXD_STAT_DD) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
		struct sk_buff *skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
		u8 status;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
		if (*work_done >= work_to_do)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
		(*work_done)++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
		rmb();	/* read descriptor and rx_buffer_info after status DD */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
		status = rx_desc->status;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
		skb = buffer_info->skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
		if (!adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
			buffer_info->skb = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
		++i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
		if (i == rx_ring->count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
			i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
		next_rxd = E1000_RX_DESC(*rx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
		prefetch(next_rxd);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
		next_buffer = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
		cleaned = true;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
		cleaned_count++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
		dma_unmap_page(&pdev->dev, buffer_info->dma, PAGE_SIZE,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
			       DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
		buffer_info->dma = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
		length = le16_to_cpu(rx_desc->length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
		/* errors is only valid for DD + EOP descriptors */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
		if (!adapter->ecdev && unlikely((status & E1000_RXD_STAT_EOP) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
				/* recycle both page and skb */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
				buffer_info->skb = skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
				/* an error means any chain goes out the window
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
				 * too */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
				if (rx_ring->rx_skb_top)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
					dev_kfree_skb(rx_ring->rx_skb_top);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
				rx_ring->rx_skb_top = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
				goto next_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
#define rxtop rx_ring->rx_skb_top
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		if (!(status & E1000_RXD_STAT_EOP)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
			/* this descriptor is only the beginning (or middle) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
			if (!rxtop) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
				/* this is the beginning of a chain */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
				rxtop = skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
				                   0, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
			} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
				/* this is the middle of a chain */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
				skb_fill_page_desc(rxtop,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
				    skb_shinfo(rxtop)->nr_frags,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
				    buffer_info->page, 0, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
				/* re-use the skb, only consumed the page */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
				buffer_info->skb = skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
			e1000_consume_page(buffer_info, rxtop, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
			goto next_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
			if (rxtop) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
				/* end of the chain */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
				skb_fill_page_desc(rxtop,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
				    skb_shinfo(rxtop)->nr_frags,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
				    buffer_info->page, 0, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
				/* re-use the current skb, we only consumed the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
				 * page */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
				buffer_info->skb = skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
				skb = rxtop;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
				rxtop = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
				e1000_consume_page(buffer_info, skb, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
			} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
				/* no chain, got EOP, this buf is the packet
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
				 * copybreak to save the put_page/alloc_page */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
				if (length <= copybreak &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
				    skb_tailroom(skb) >= length) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
					u8 *vaddr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
					vaddr = kmap_atomic(buffer_info->page,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
					                   KM_SKB_DATA_SOFTIRQ);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
					memcpy(skb_tail_pointer(skb), vaddr,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
					       length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
					kunmap_atomic(vaddr,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
					              KM_SKB_DATA_SOFTIRQ);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
					/* re-use the page, so don't erase
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
					 * buffer_info->page */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
					skb_put(skb, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
				} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
					skb_fill_page_desc(skb, 0,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
					                   buffer_info->page, 0,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
				                           length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
					e1000_consume_page(buffer_info, skb,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
					                   length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
				}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
		e1000_rx_checksum(adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
		                  (u32)(status) |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
		                  ((u32)(rx_desc->errors) << 24),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
		                  le16_to_cpu(rx_desc->csum), skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		/* probably a little skewed due to removing CRC */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
		total_rx_bytes += skb->len;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
		total_rx_packets++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
		/* eth type trans needs skb->data to point to something */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
		if (!adapter->ecdev && !pskb_may_pull(skb, ETH_HLEN)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
			e_err("pskb_may_pull failed.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
			dev_kfree_skb(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
			goto next_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
		if (adapter->ecdev) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
			ecdev_receive(adapter->ecdev, skb->data, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
			adapter->ec_watchdog_jiffies = jiffies;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
			e1000_receive_skb(adapter, netdev, skb, status,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
			                  rx_desc->special);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
next_desc:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
		rx_desc->status = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
		/* return some buffers to hardware, one at a time is too slow */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
			adapter->alloc_rx_buf(adapter, cleaned_count);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
			cleaned_count = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
		/* use prefetched values */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
		rx_desc = next_rxd;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
		buffer_info = next_buffer;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	rx_ring->next_to_clean = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
	cleaned_count = e1000_desc_unused(rx_ring);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
	if (cleaned_count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
		adapter->alloc_rx_buf(adapter, cleaned_count);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	adapter->total_rx_bytes += total_rx_bytes;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	adapter->total_rx_packets += total_rx_packets;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	netdev->stats.rx_bytes += total_rx_bytes;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
	netdev->stats.rx_packets += total_rx_packets;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
	return cleaned;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
static void e1000_clean_rx_ring(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	struct e1000_ring *rx_ring = adapter->rx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	struct e1000_buffer *buffer_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	struct e1000_ps_page *ps_page;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
	unsigned int i, j;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
	/* Free all the Rx ring sk_buffs */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
	for (i = 0; i < rx_ring->count; i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
		buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
		if (buffer_info->dma) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
			if (adapter->clean_rx == e1000_clean_rx_irq)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
				dma_unmap_single(&pdev->dev, buffer_info->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
						 adapter->rx_buffer_len,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
						 DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
			else if (adapter->clean_rx == e1000_clean_jumbo_rx_irq)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
				dma_unmap_page(&pdev->dev, buffer_info->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
				               PAGE_SIZE,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
					       DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
			else if (adapter->clean_rx == e1000_clean_rx_irq_ps)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
				dma_unmap_single(&pdev->dev, buffer_info->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
						 adapter->rx_ps_bsize0,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
						 DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
			buffer_info->dma = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
		if (buffer_info->page) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
			put_page(buffer_info->page);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
			buffer_info->page = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
		if (buffer_info->skb) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
			dev_kfree_skb(buffer_info->skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
			buffer_info->skb = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
			ps_page = &buffer_info->ps_pages[j];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
			if (!ps_page->page)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
				break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
				       DMA_FROM_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
			ps_page->dma = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
			put_page(ps_page->page);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
			ps_page->page = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
	/* there also may be some cached data from a chained receive */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
	if (rx_ring->rx_skb_top) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
		dev_kfree_skb(rx_ring->rx_skb_top);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
		rx_ring->rx_skb_top = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
	/* Zero out the descriptor ring */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	memset(rx_ring->desc, 0, rx_ring->size);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
	rx_ring->next_to_clean = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
	rx_ring->next_to_use = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
	writel(0, adapter->hw.hw_addr + rx_ring->head);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
	writel(0, adapter->hw.hw_addr + rx_ring->tail);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
static void e1000e_downshift_workaround(struct work_struct *work)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
	struct e1000_adapter *adapter = container_of(work,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
					struct e1000_adapter, downshift_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
 * e1000_intr_msi - Interrupt Handler
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
 * @irq: interrupt number
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
 * @data: pointer to a network interface device structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
static irqreturn_t e1000_intr_msi(int irq, void *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
	struct net_device *netdev = data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	u32 icr = er32(ICR);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
2473
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  1542
	if (adapter->ecdev) {
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  1543
		int ec_work_done = 0;
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  1544
		adapter->clean_rx(adapter, &ec_work_done, 100);
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  1545
		e1000_clean_tx_irq(adapter);
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
		return IRQ_HANDLED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
	 * read ICR disables interrupts using IAM
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
	if (icr & E1000_ICR_LSC) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		hw->mac.get_link_status = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
		 * ICH8 workaround-- Call gig speed drop workaround on cable
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
		 * disconnect (LSC) before accessing any PHY registers
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
		    (!(er32(STATUS) & E1000_STATUS_LU)))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
			schedule_work(&adapter->downshift_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
		 * 80003ES2LAN workaround-- For packet buffer work-around on
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
		 * link down event; disable receives here in the ISR and reset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
		 * adapter in watchdog
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
		if (netif_carrier_ok(netdev) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
		    adapter->flags & FLAG_RX_NEEDS_RESTART) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
			/* disable receives */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
			u32 rctl = er32(RCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
			adapter->flags |= FLAG_RX_RESTART_NOW;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
		/* guard against interrupt when we're going down */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
		if (!test_bit(__E1000_DOWN, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
	if (napi_schedule_prep(&adapter->napi)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		adapter->total_tx_bytes = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
		adapter->total_tx_packets = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
		adapter->total_rx_bytes = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
		adapter->total_rx_packets = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
		__napi_schedule(&adapter->napi);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
	return IRQ_HANDLED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
 * e1000_intr - Interrupt Handler
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
 * @irq: interrupt number
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
 * @data: pointer to a network interface device structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
static irqreturn_t e1000_intr(int irq, void *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
	struct net_device *netdev = data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	u32 rctl, icr = er32(ICR);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
	if (!icr || test_bit(__E1000_DOWN, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
		return IRQ_NONE;  /* Not our interrupt */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
	 * IMS will not auto-mask if INT_ASSERTED is not set, and if it is
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	 * not set, then the adapter didn't send an interrupt
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	if (!adapter->ecdev && !(icr & E1000_ICR_INT_ASSERTED))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
		return IRQ_NONE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	 * Interrupt Auto-Mask...upon reading ICR,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	 * interrupts are masked.  No need for the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	 * IMC write
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
	if (!adapter->ecdev && (icr & E1000_ICR_LSC)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
		hw->mac.get_link_status = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
		 * ICH8 workaround-- Call gig speed drop workaround on cable
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
		 * disconnect (LSC) before accessing any PHY registers
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
		    (!(er32(STATUS) & E1000_STATUS_LU)))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
			schedule_work(&adapter->downshift_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
		 * 80003ES2LAN workaround--
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
		 * For packet buffer work-around on link down event;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
		 * disable receives here in the ISR and
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
		 * reset adapter in watchdog
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
		if (netif_carrier_ok(netdev) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
		    (adapter->flags & FLAG_RX_NEEDS_RESTART)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
			/* disable receives */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
			rctl = er32(RCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
			adapter->flags |= FLAG_RX_RESTART_NOW;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
		/* guard against interrupt when we're going down */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
		if (!test_bit(__E1000_DOWN, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
2473
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  1646
	if (adapter->ecdev) {
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  1647
		int ec_work_done = 0;
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  1648
		adapter->clean_rx(adapter, &ec_work_done, 100);
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  1649
		e1000_clean_tx_irq(adapter);
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		return IRQ_HANDLED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
	if (napi_schedule_prep(&adapter->napi)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		adapter->total_tx_bytes = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
		adapter->total_tx_packets = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		adapter->total_rx_bytes = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		adapter->total_rx_packets = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
		__napi_schedule(&adapter->napi);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
	return IRQ_HANDLED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
static irqreturn_t e1000_msix_other(int irq, void *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	struct net_device *netdev = data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
	u32 icr = er32(ICR);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
	if (!(icr & E1000_ICR_INT_ASSERTED)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
		if (!test_bit(__E1000_DOWN, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
			ew32(IMS, E1000_IMS_OTHER);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
		return IRQ_NONE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
	if (icr & adapter->eiac_mask)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
		ew32(ICS, (icr & adapter->eiac_mask));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
	if (icr & E1000_ICR_OTHER) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
		if (!(icr & E1000_ICR_LSC))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
			goto no_link_interrupt;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
		hw->mac.get_link_status = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
		/* guard against interrupt when we're going down */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
no_link_interrupt:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
	if (!test_bit(__E1000_DOWN, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
		ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	return IRQ_HANDLED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	struct net_device *netdev = data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
	adapter->total_tx_bytes = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	adapter->total_tx_packets = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	if (!e1000_clean_tx_irq(adapter))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
		/* Ring was not completely cleaned, so fire another interrupt */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
		ew32(ICS, tx_ring->ims_val);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	return IRQ_HANDLED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
	struct net_device *netdev = data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	/* Write the ITR value calculated at the end of the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	 * previous interrupt.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
	if (adapter->rx_ring->set_itr) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		writel(1000000000 / (adapter->rx_ring->itr_val * 256),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		       adapter->hw.hw_addr + adapter->rx_ring->itr_register);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
		adapter->rx_ring->set_itr = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
2473
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  1729
	if (adapter->ecdev) {
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  1730
		int ec_work_done = 0;
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  1731
		adapter->clean_rx(adapter, &ec_work_done, 100);
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
		if (napi_schedule_prep(&adapter->napi)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
			adapter->total_rx_bytes = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
			adapter->total_rx_packets = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
			__napi_schedule(&adapter->napi);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
	return IRQ_HANDLED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
 * e1000_configure_msix - Configure MSI-X hardware
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
 * e1000_configure_msix sets up the hardware to properly
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
 * generate MSI-X interrupts.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
static void e1000_configure_msix(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
	struct e1000_ring *rx_ring = adapter->rx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
	int vector = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	u32 ctrl_ext, ivar = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
	adapter->eiac_mask = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	/* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
	if (hw->mac.type == e1000_82574) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		u32 rfctl = er32(RFCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
		rfctl |= E1000_RFCTL_ACK_DIS;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
		ew32(RFCTL, rfctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
#define E1000_IVAR_INT_ALLOC_VALID	0x8
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
	/* Configure Rx vector */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	rx_ring->ims_val = E1000_IMS_RXQ0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
	adapter->eiac_mask |= rx_ring->ims_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
	if (rx_ring->itr_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
		writel(1000000000 / (rx_ring->itr_val * 256),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		       hw->hw_addr + rx_ring->itr_register);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
		writel(1, hw->hw_addr + rx_ring->itr_register);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
	ivar = E1000_IVAR_INT_ALLOC_VALID | vector;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
	/* Configure Tx vector */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	tx_ring->ims_val = E1000_IMS_TXQ0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
	vector++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
	if (tx_ring->itr_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
		writel(1000000000 / (tx_ring->itr_val * 256),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
		       hw->hw_addr + tx_ring->itr_register);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
		writel(1, hw->hw_addr + tx_ring->itr_register);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
	adapter->eiac_mask |= tx_ring->ims_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
	/* set vector for Other Causes, e.g. link changes */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
	vector++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
	if (rx_ring->itr_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
		writel(1000000000 / (rx_ring->itr_val * 256),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
		       hw->hw_addr + E1000_EITR_82574(vector));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
		writel(1, hw->hw_addr + E1000_EITR_82574(vector));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
	/* Cause Tx interrupts on every write back */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	ivar |= (1 << 31);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
	ew32(IVAR, ivar);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
	/* enable MSI-X PBA support */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
	ctrl_ext = er32(CTRL_EXT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	/* Auto-Mask Other interrupts upon ICR read */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
#define E1000_EIAC_MASK_82574   0x01F00000
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
	ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
	ctrl_ext |= E1000_CTRL_EXT_EIAME;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	ew32(CTRL_EXT, ctrl_ext);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	e1e_flush();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
	if (adapter->msix_entries) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
		pci_disable_msix(adapter->pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
		kfree(adapter->msix_entries);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		adapter->msix_entries = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
	} else if (adapter->flags & FLAG_MSI_ENABLED) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
		pci_disable_msi(adapter->pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
		adapter->flags &= ~FLAG_MSI_ENABLED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
 * e1000e_set_interrupt_capability - set MSI or MSI-X if supported
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
 * Attempt to configure interrupts using the best available
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
 * capabilities of the hardware and kernel.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
	int err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
	int i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
	switch (adapter->int_mode) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
	case E1000E_INT_MODE_MSIX:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
		if (adapter->flags & FLAG_HAS_MSIX) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
			adapter->num_vectors = 3; /* RxQ0, TxQ0 and other */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
			adapter->msix_entries = kcalloc(adapter->num_vectors,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
						      sizeof(struct msix_entry),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
						      GFP_KERNEL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
			if (adapter->msix_entries) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
				for (i = 0; i < adapter->num_vectors; i++)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
					adapter->msix_entries[i].entry = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
				err = pci_enable_msix(adapter->pdev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
						      adapter->msix_entries,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
						      adapter->num_vectors);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
				if (err == 0) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
					return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
				}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
			/* MSI-X failed, so fall through and try MSI */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
			e_err("Failed to initialize MSI-X interrupts.  "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
			      "Falling back to MSI interrupts.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
			e1000e_reset_interrupt_capability(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
		adapter->int_mode = E1000E_INT_MODE_MSI;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
		/* Fall through */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	case E1000E_INT_MODE_MSI:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
		if (!pci_enable_msi(adapter->pdev)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
			adapter->flags |= FLAG_MSI_ENABLED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
			adapter->int_mode = E1000E_INT_MODE_LEGACY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
			e_err("Failed to initialize MSI interrupts.  Falling "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
			      "back to legacy interrupts.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
		/* Fall through */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
	case E1000E_INT_MODE_LEGACY:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
		/* Don't do anything; this is the system default */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	/* store the number of vectors being used */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
	adapter->num_vectors = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
 * e1000_request_msix - Initialize MSI-X interrupts
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
 * e1000_request_msix allocates MSI-X vectors and requests interrupts from the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
 * kernel.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
static int e1000_request_msix(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
	int err = 0, vector = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
		sprintf(adapter->rx_ring->name, "%s-rx-0", netdev->name);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
	err = request_irq(adapter->msix_entries[vector].vector,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
			  e1000_intr_msix_rx, entropy ? IRQF_SAMPLE_RANDOM : 0,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
			  adapter->rx_ring->name, netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
	adapter->rx_ring->itr_register = E1000_EITR_82574(vector);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
	adapter->rx_ring->itr_val = adapter->itr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
	vector++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
		sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
	err = request_irq(adapter->msix_entries[vector].vector,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
			  e1000_intr_msix_tx, 0, adapter->tx_ring->name,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
			  netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
	adapter->tx_ring->itr_register = E1000_EITR_82574(vector);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
	adapter->tx_ring->itr_val = adapter->itr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
	vector++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	err = request_irq(adapter->msix_entries[vector].vector,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
			  e1000_msix_other, 0, netdev->name, netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
	e1000_configure_msix(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
	return err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
 * e1000_request_irq - initialize interrupts
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
 * Attempts to configure interrupts using the best available
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
 * capabilities of the hardware and kernel.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
static int e1000_request_irq(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
	int err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
	int irq_flags = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
	if (adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
		return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
	if (adapter->msix_entries) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
		err = e1000_request_msix(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
		if (!err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
			return err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
		/* fall back to MSI */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
		e1000e_reset_interrupt_capability(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
		adapter->int_mode = E1000E_INT_MODE_MSI;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
		e1000e_set_interrupt_capability(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	if (adapter->flags & FLAG_MSI_ENABLED) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
		err = request_irq(adapter->pdev->irq, e1000_intr_msi,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
				  entropy ? IRQF_SAMPLE_RANDOM : 0,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
				  netdev->name, netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
		if (!err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
			return err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		/* fall back to legacy interrupt */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
		e1000e_reset_interrupt_capability(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
	if (entropy)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
		irq_flags |= IRQF_SAMPLE_RANDOM;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
	err = request_irq(adapter->pdev->irq, e1000_intr,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
			  irq_flags | IRQF_SHARED, netdev->name, netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
		e_err("Unable to allocate interrupt, Error: %d\n", err);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
	return err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
static void e1000_free_irq(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
	if (adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
	if (adapter->msix_entries) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		int vector = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
		free_irq(adapter->msix_entries[vector].vector, netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
		vector++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
		free_irq(adapter->msix_entries[vector].vector, netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
		vector++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
		/* Other Causes interrupt vector */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
		free_irq(adapter->msix_entries[vector].vector, netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
	free_irq(adapter->pdev->irq, netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
 * e1000_irq_disable - Mask off interrupt generation on the NIC
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
static void e1000_irq_disable(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
	if (adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	ew32(IMC, ~0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	if (adapter->msix_entries)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
		ew32(EIAC_82574, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	e1e_flush();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
	if (adapter->msix_entries) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
		int i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
		for (i = 0; i < adapter->num_vectors; i++)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
			synchronize_irq(adapter->msix_entries[i].vector);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
		synchronize_irq(adapter->pdev->irq);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
 * e1000_irq_enable - Enable default interrupt generation settings
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
static void e1000_irq_enable(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
	if (adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
	if (adapter->msix_entries) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
		ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
		ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
		ew32(IMS, IMS_ENABLE_MASK);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
	e1e_flush();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
 * e1000_get_hw_control - get control of the h/w from f/w
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
 * @adapter: address of board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
 * e1000_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
 * For ASF and Pass Through versions of f/w this means that
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
 * the driver is loaded. For AMT version (only with 82573)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
 * of the f/w this means that the network i/f is open.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
static void e1000_get_hw_control(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
	u32 ctrl_ext;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	u32 swsm;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	/* Let firmware know the driver has taken over */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
		swsm = er32(SWSM);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
		ctrl_ext = er32(CTRL_EXT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
 * e1000_release_hw_control - release control of the h/w to f/w
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
 * @adapter: address of board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
 * e1000_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
 * For ASF and Pass Through versions of f/w this means that the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
 * driver is no longer loaded. For AMT version (only with 82573) i
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
 * of the f/w this means that the network i/f is closed.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
static void e1000_release_hw_control(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
	u32 ctrl_ext;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
	u32 swsm;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
	/* Let firmware taken over control of h/w */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
		swsm = er32(SWSM);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
		ctrl_ext = er32(CTRL_EXT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
 * @e1000_alloc_ring - allocate memory for a ring structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
				struct e1000_ring *ring)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
	ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
					GFP_KERNEL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
	if (!ring->desc)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
		return -ENOMEM;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
 * e1000e_setup_tx_resources - allocate Tx resources (Descriptors)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
 * Return 0 on success, negative on failure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	int err = -ENOMEM, size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
	size = sizeof(struct e1000_buffer) * tx_ring->count;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
	tx_ring->buffer_info = vmalloc(size);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	if (!tx_ring->buffer_info)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
		goto err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	memset(tx_ring->buffer_info, 0, size);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
	/* round up to nearest 4K */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
	tx_ring->size = ALIGN(tx_ring->size, 4096);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	err = e1000_alloc_ring_dma(adapter, tx_ring);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
		goto err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
	tx_ring->next_to_use = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	tx_ring->next_to_clean = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
err:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	vfree(tx_ring->buffer_info);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
	return err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
 * e1000e_setup_rx_resources - allocate Rx resources (Descriptors)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
 * Returns 0 on success, negative on failure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
int e1000e_setup_rx_resources(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	struct e1000_ring *rx_ring = adapter->rx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
	struct e1000_buffer *buffer_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
	int i, size, desc_len, err = -ENOMEM;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
	size = sizeof(struct e1000_buffer) * rx_ring->count;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
	rx_ring->buffer_info = vmalloc(size);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
	if (!rx_ring->buffer_info)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
		goto err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
	memset(rx_ring->buffer_info, 0, size);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
	for (i = 0; i < rx_ring->count; i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
		buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
		buffer_info->ps_pages = kcalloc(PS_PAGE_BUFFERS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
						sizeof(struct e1000_ps_page),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
						GFP_KERNEL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
		if (!buffer_info->ps_pages)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
			goto err_pages;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	desc_len = sizeof(union e1000_rx_desc_packet_split);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	/* Round up to nearest 4K */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
	rx_ring->size = rx_ring->count * desc_len;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	rx_ring->size = ALIGN(rx_ring->size, 4096);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
	err = e1000_alloc_ring_dma(adapter, rx_ring);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
		goto err_pages;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
	rx_ring->next_to_clean = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
	rx_ring->next_to_use = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	rx_ring->rx_skb_top = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
err_pages:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
	for (i = 0; i < rx_ring->count; i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
		buffer_info = &rx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
		kfree(buffer_info->ps_pages);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
err:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	vfree(rx_ring->buffer_info);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	return err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
 * e1000_clean_tx_ring - Free Tx Buffers
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
static void e1000_clean_tx_ring(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	struct e1000_buffer *buffer_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
	unsigned long size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
	unsigned int i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
	for (i = 0; i < tx_ring->count; i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
		buffer_info = &tx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
		e1000_put_txbuf(adapter, buffer_info);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
	size = sizeof(struct e1000_buffer) * tx_ring->count;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	memset(tx_ring->buffer_info, 0, size);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	memset(tx_ring->desc, 0, tx_ring->size);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
	tx_ring->next_to_use = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	tx_ring->next_to_clean = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	writel(0, adapter->hw.hw_addr + tx_ring->head);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
	writel(0, adapter->hw.hw_addr + tx_ring->tail);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
 * e1000e_free_tx_resources - Free Tx Resources per Queue
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
 * Free all transmit software resources
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
void e1000e_free_tx_resources(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
	e1000_clean_tx_ring(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
	vfree(tx_ring->buffer_info);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	tx_ring->buffer_info = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
			  tx_ring->dma);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
	tx_ring->desc = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
 * e1000e_free_rx_resources - Free Rx Resources
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
 * Free all receive software resources
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
void e1000e_free_rx_resources(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
	struct e1000_ring *rx_ring = adapter->rx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	int i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	e1000_clean_rx_ring(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	for (i = 0; i < rx_ring->count; i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
		kfree(rx_ring->buffer_info[i].ps_pages);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
	vfree(rx_ring->buffer_info);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	rx_ring->buffer_info = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
			  rx_ring->dma);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	rx_ring->desc = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
 * e1000_update_itr - update the dynamic ITR value based on statistics
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
 * @adapter: pointer to adapter
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
 * @itr_setting: current adapter->itr
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
 * @packets: the number of packets during this measurement interval
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
 * @bytes: the number of bytes during this measurement interval
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
 *      Stores a new ITR value based on packets and byte
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
 *      counts during the last interrupt.  The advantage of per interrupt
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
 *      computation is faster updates and more accurate ITR for the current
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
 *      traffic pattern.  Constants in this function were computed
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
 *      based on theoretical maximum wire speed and thresholds were set based
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
 *      on testing data as well as attempting to minimize response time
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
 *      while increasing bulk throughput.  This functionality is controlled
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
 *      by the InterruptThrottleRate module parameter.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
				     u16 itr_setting, int packets,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
				     int bytes)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	unsigned int retval = itr_setting;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
	if (packets == 0)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
		goto update_itr_done;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
	switch (itr_setting) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
	case lowest_latency:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
		/* handle TSO and jumbo frames */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
		if (bytes/packets > 8000)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
			retval = bulk_latency;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
		else if ((packets < 5) && (bytes > 512)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
			retval = low_latency;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
	case low_latency:  /* 50 usec aka 20000 ints/s */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
		if (bytes > 10000) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
			/* this if handles the TSO accounting */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
			if (bytes/packets > 8000) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
				retval = bulk_latency;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
			} else if ((packets < 10) || ((bytes/packets) > 1200)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
				retval = bulk_latency;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
			} else if ((packets > 35)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
				retval = lowest_latency;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
		} else if (bytes/packets > 2000) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
			retval = bulk_latency;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
		} else if (packets <= 2 && bytes < 512) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
			retval = lowest_latency;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	case bulk_latency: /* 250 usec aka 4000 ints/s */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
		if (bytes > 25000) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
			if (packets > 35) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
				retval = low_latency;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
		} else if (bytes < 6000) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
			retval = low_latency;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
update_itr_done:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
	return retval;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
static void e1000_set_itr(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
	u16 current_itr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	u32 new_itr = adapter->itr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
	if (adapter->link_speed != SPEED_1000) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		current_itr = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
		new_itr = 4000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
		goto set_itr_now;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
	if (adapter->flags2 & FLAG2_DISABLE_AIM) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
		new_itr = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
		goto set_itr_now;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
	adapter->tx_itr = e1000_update_itr(adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
				    adapter->tx_itr,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
				    adapter->total_tx_packets,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
				    adapter->total_tx_bytes);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
		adapter->tx_itr = low_latency;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	adapter->rx_itr = e1000_update_itr(adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
				    adapter->rx_itr,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
				    adapter->total_rx_packets,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
				    adapter->total_rx_bytes);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
		adapter->rx_itr = low_latency;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	switch (current_itr) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
	/* counts and packets in update_itr are dependent on these numbers */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
	case lowest_latency:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
		new_itr = 70000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
	case low_latency:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
		new_itr = 20000; /* aka hwitr = ~200 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
	case bulk_latency:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
		new_itr = 4000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
set_itr_now:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
	if (new_itr != adapter->itr) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
		 * this attempts to bias the interrupt rate towards Bulk
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
		 * by adding intermediate steps when interrupt rate is
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
		 * increasing
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
		new_itr = new_itr > adapter->itr ?
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
			     min(adapter->itr + (new_itr >> 2), new_itr) :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
			     new_itr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		adapter->itr = new_itr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
		adapter->rx_ring->itr_val = new_itr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		if (adapter->msix_entries)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
			adapter->rx_ring->set_itr = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
		else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
			if (new_itr)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
				ew32(ITR, 1000000000 / (new_itr * 256));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
			else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
				ew32(ITR, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
 * e1000_alloc_queues - Allocate memory for all rings
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
 * @adapter: board private structure to initialize
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
	adapter->tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
	if (!adapter->tx_ring)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
		goto err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
	adapter->rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
	if (!adapter->rx_ring)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
		goto err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
err:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	e_err("Unable to allocate memory for queues\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	kfree(adapter->rx_ring);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
	kfree(adapter->tx_ring);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
	return -ENOMEM;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
 * e1000_clean - NAPI Rx polling callback
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
 * @napi: struct associated with this polling callback
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
 * @budget: amount of packets driver is allowed to process this poll
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
static int e1000_clean(struct napi_struct *napi, int budget)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	struct net_device *poll_dev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	int tx_cleaned = 1, work_done = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	adapter = netdev_priv(poll_dev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
	if (adapter->msix_entries &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
	    !(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
		goto clean_rx;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
	tx_cleaned = e1000_clean_tx_irq(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
clean_rx:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
	adapter->clean_rx(adapter, &work_done, budget);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
	if (!tx_cleaned)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
		work_done = budget;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
	/* If budget not fully consumed, exit the polling mode */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
	if (work_done < budget) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
		if (adapter->itr_setting & 3)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
			e1000_set_itr(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		napi_complete(napi);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
		if (!test_bit(__E1000_DOWN, &adapter->state)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
			if (adapter->msix_entries)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
				ew32(IMS, adapter->rx_ring->ims_val);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
			else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
				e1000_irq_enable(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
	return work_done;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	u32 vfta, index;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	/* don't update vlan cookie if already programmed */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
	if ((adapter->hw.mng_cookie.status &
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	    (vid == adapter->mng_vlan_id))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
	/* add VID to filter table */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
		index = (vid >> 5) & 0x7F;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
		vfta |= (1 << (vid & 0x1F));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
		hw->mac.ops.write_vfta(hw, index, vfta);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
	u32 vfta, index;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
	if (!test_bit(__E1000_DOWN, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
		e1000_irq_disable(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
	if (!test_bit(__E1000_DOWN, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
		e1000_irq_enable(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
	if ((adapter->hw.mng_cookie.status &
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
	    (vid == adapter->mng_vlan_id)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
		/* release control to f/w */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
		e1000_release_hw_control(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
	/* remove VID from filter table */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
		index = (vid >> 5) & 0x7F;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
		vfta &= ~(1 << (vid & 0x1F));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
		hw->mac.ops.write_vfta(hw, index, vfta);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
	u16 vid = adapter->hw.mng_cookie.vlan_id;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
	u16 old_vid = adapter->mng_vlan_id;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
	if (!adapter->vlgrp)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
	if (!vlan_group_get_device(adapter->vlgrp, vid)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
		adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
		if (adapter->hw.mng_cookie.status &
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
			e1000_vlan_rx_add_vid(netdev, vid);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
			adapter->mng_vlan_id = vid;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
				(vid != old_vid) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
		    !vlan_group_get_device(adapter->vlgrp, old_vid))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
			e1000_vlan_rx_kill_vid(netdev, old_vid);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
		adapter->mng_vlan_id = vid;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
static void e1000_vlan_rx_register(struct net_device *netdev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
				   struct vlan_group *grp)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
	u32 ctrl, rctl;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	if (!test_bit(__E1000_DOWN, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
		e1000_irq_disable(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
	adapter->vlgrp = grp;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
	if (grp) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
		/* enable VLAN tag insert/strip */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
		ctrl = er32(CTRL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
		ctrl |= E1000_CTRL_VME;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
		ew32(CTRL, ctrl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
			/* enable VLAN receive filtering */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
			rctl = er32(RCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
			rctl &= ~E1000_RCTL_CFIEN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
			ew32(RCTL, rctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
			e1000_update_mng_vlan(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
		/* disable VLAN tag insert/strip */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
		ctrl = er32(CTRL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
		ctrl &= ~E1000_CTRL_VME;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
		ew32(CTRL, ctrl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
			if (adapter->mng_vlan_id !=
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
			    (u16)E1000_MNG_VLAN_NONE) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
				e1000_vlan_rx_kill_vid(netdev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
						       adapter->mng_vlan_id);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
	if (!test_bit(__E1000_DOWN, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
		e1000_irq_enable(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
static void e1000_restore_vlan(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
	u16 vid;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
	if (!adapter->vlgrp)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
	for (vid = 0; vid < VLAN_N_VID; vid++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
		if (!vlan_group_get_device(adapter->vlgrp, vid))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
			continue;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
		e1000_vlan_rx_add_vid(adapter->netdev, vid);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
static void e1000_init_manageability_pt(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
	u32 manc, manc2h, mdef, i, j;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	manc = er32(MANC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
	 * enable receiving management packets to the host. this will probably
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
	 * generate destination unreachable messages from the host OS, but
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
	 * the packets will be handled on SMBUS
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
	manc |= E1000_MANC_EN_MNG2HOST;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	manc2h = er32(MANC2H);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
	switch (hw->mac.type) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
		manc2h |= (E1000_MANC2H_PORT_623 | E1000_MANC2H_PORT_664);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
	case e1000_82574:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	case e1000_82583:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
		 * Check if IPMI pass-through decision filter already exists;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		 * if so, enable it.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
		for (i = 0, j = 0; i < 8; i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
			mdef = er32(MDEF(i));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
			/* Ignore filters with anything other than IPMI ports */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
			if (mdef & ~(E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
				continue;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
			/* Enable this decision filter in MANC2H */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
			if (mdef)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
				manc2h |= (1 << i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
			j |= mdef;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
		if (j == (E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
		/* Create new decision filter in an empty filter */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
		for (i = 0, j = 0; i < 8; i++)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
			if (er32(MDEF(i)) == 0) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
				ew32(MDEF(i), (E1000_MDEF_PORT_623 |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
					       E1000_MDEF_PORT_664));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
				manc2h |= (1 << 1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
				j++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
				break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
		if (!j)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
			e_warn("Unable to create IPMI pass-through filter\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
	ew32(MANC2H, manc2h);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
	ew32(MANC, manc);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
 * Configure the Tx unit of the MAC after a reset.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
static void e1000_configure_tx(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
	u64 tdba;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	u32 tdlen, tctl, tipg, tarc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	u32 ipgr1, ipgr2;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	/* Setup the HW Tx Head and Tail descriptor pointers */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	tdba = tx_ring->dma;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	ew32(TDBAL, (tdba & DMA_BIT_MASK(32)));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	ew32(TDBAH, (tdba >> 32));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
	ew32(TDLEN, tdlen);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	ew32(TDH, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	ew32(TDT, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	tx_ring->head = E1000_TDH;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	tx_ring->tail = E1000_TDT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	/* Set the default values for the Tx Inter Packet Gap timer */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	tipg = DEFAULT_82543_TIPG_IPGT_COPPER;          /*  8  */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
	ipgr1 = DEFAULT_82543_TIPG_IPGR1;               /*  8  */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	ipgr2 = DEFAULT_82543_TIPG_IPGR2;               /*  6  */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
	if (adapter->flags & FLAG_TIPG_MEDIUM_FOR_80003ESLAN)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2; /*  7  */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
	ew32(TIPG, tipg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
	/* Set the Tx Interrupt Delay register */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	ew32(TIDV, adapter->tx_int_delay);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
	/* Tx irq moderation */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
	ew32(TADV, adapter->tx_abs_int_delay);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
	if (adapter->flags2 & FLAG2_DMA_BURST) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
		u32 txdctl = er32(TXDCTL(0));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
		txdctl &= ~(E1000_TXDCTL_PTHRESH | E1000_TXDCTL_HTHRESH |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
			    E1000_TXDCTL_WTHRESH);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
		 * set up some performance related parameters to encourage the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		 * hardware to use the bus more efficiently in bursts, depends
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
		 * on the tx_int_delay to be enabled,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
		 * wthresh = 5 ==> burst write a cacheline (64 bytes) at a time
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
		 * hthresh = 1 ==> prefetch when one or more available
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
		 * pthresh = 0x1f ==> prefetch if internal cache 31 or less
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
		 * BEWARE: this seems to work but should be considered first if
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
		 * there are tx hangs or other tx related bugs
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
		txdctl |= E1000_TXDCTL_DMA_BURST_ENABLE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
		ew32(TXDCTL(0), txdctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
		/* erratum work around: set txdctl the same for both queues */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
		ew32(TXDCTL(1), txdctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
	/* Program the Transmit Control Register */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	tctl = er32(TCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	tctl &= ~E1000_TCTL_CT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
	if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
		tarc = er32(TARC(0));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
		 * set the speed mode bit, we'll clear it if we're not at
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
		 * gigabit link later
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
#define SPEED_MODE_BIT (1 << 21)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
		tarc |= SPEED_MODE_BIT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
		ew32(TARC(0), tarc);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
	/* errata: program both queues to unweighted RR */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
	if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
		tarc = er32(TARC(0));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
		tarc |= 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
		ew32(TARC(0), tarc);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
		tarc = er32(TARC(1));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
		tarc |= 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
		ew32(TARC(1), tarc);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	/* Setup Transmit Descriptor Settings for eop descriptor */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	/* only set IDE if we are delaying interrupts using the timers */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
	if (adapter->tx_int_delay)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
	/* enable Report Status bit */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
	adapter->txd_cmd |= E1000_TXD_CMD_RS;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
	ew32(TCTL, tctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
	e1000e_config_collision_dist(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
 * e1000_setup_rctl - configure the receive control registers
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
 * @adapter: Board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
			   (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
static void e1000_setup_rctl(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
	u32 rctl, rfctl;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
	u32 psrctl = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
	u32 pages = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
	/* Workaround Si errata on 82579 - configure jumbo frame flow */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
	if (hw->mac.type == e1000_pch2lan) {
2234
18f9c69d9590 Avoided unused variable warnings.
Florian Pose <fp@igh-essen.com>
parents: 2219
diff changeset
  2795
		s32 ret_val __attribute__ ((unused));
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
		if (adapter->netdev->mtu > ETH_DATA_LEN)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
			ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
		else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
			ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
	/* Program MC offset vector base */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	rctl = er32(RCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
		(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	/* Do not Store bad packets */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
	rctl &= ~E1000_RCTL_SBP;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
	/* Enable Long Packet receive */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
		rctl &= ~E1000_RCTL_LPE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
		rctl |= E1000_RCTL_LPE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	/* Some systems expect that the CRC is included in SMBUS traffic. The
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	 * hardware strips the CRC before sending to both SMBUS (BMC) and to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	 * host memory when this is enabled
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
		rctl |= E1000_RCTL_SECRC;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	/* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
	if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
		u16 phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
		e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
		phy_data &= 0xfff8;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
		phy_data |= (1 << 2);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		e1e_wphy(hw, PHY_REG(770, 26), phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		e1e_rphy(hw, 22, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
		phy_data &= 0x0fff;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
		phy_data |= (1 << 14);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
		e1e_wphy(hw, 0x10, 0x2823);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
		e1e_wphy(hw, 0x11, 0x0003);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		e1e_wphy(hw, 22, phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	/* Setup buffer sizes */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
	rctl &= ~E1000_RCTL_SZ_4096;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	rctl |= E1000_RCTL_BSEX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	switch (adapter->rx_buffer_len) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
	case 2048:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
		rctl |= E1000_RCTL_SZ_2048;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
		rctl &= ~E1000_RCTL_BSEX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
	case 4096:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
		rctl |= E1000_RCTL_SZ_4096;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
	case 8192:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
		rctl |= E1000_RCTL_SZ_8192;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	case 16384:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
		rctl |= E1000_RCTL_SZ_16384;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	 * 82571 and greater support packet-split where the protocol
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	 * header is placed in skb->data and the packet data is
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
	 * In the case of a non-split, skb->data is linearly filled,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	 * followed by the page buffers.  Therefore, skb->data is
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
	 * sized to hold the largest protocol header.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
	 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
	 * allocations using alloc_page take too long for regular MTU
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	 * so only enable packet split for jumbo frames
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
	 * Using pages when the page size is greater than 16k wastes
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
	 * a lot of memory, since we allocate 3 pages at all times
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	 * per packet.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
	if (!(adapter->flags & FLAG_HAS_ERT) && (pages <= 3) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	    (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
		adapter->rx_ps_pages = pages;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
		adapter->rx_ps_pages = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	if (adapter->rx_ps_pages) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
		/* Configure extra packet-split registers */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
		rfctl = er32(RFCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
		rfctl |= E1000_RFCTL_EXTEN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
		 * disable packet split support for IPv6 extension headers,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
		 * because some malformed IPv6 headers can hang the Rx
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
			  E1000_RFCTL_NEW_IPV6_EXT_DIS);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		ew32(RFCTL, rfctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
		/* Enable Packet split descriptors */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
		rctl |= E1000_RCTL_DTYP_PS;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
		psrctl |= adapter->rx_ps_bsize0 >>
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
			E1000_PSRCTL_BSIZE0_SHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
		switch (adapter->rx_ps_pages) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
		case 3:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
			psrctl |= PAGE_SIZE <<
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
				E1000_PSRCTL_BSIZE3_SHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		case 2:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
			psrctl |= PAGE_SIZE <<
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
				E1000_PSRCTL_BSIZE2_SHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
		case 1:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
			psrctl |= PAGE_SIZE >>
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
				E1000_PSRCTL_BSIZE1_SHIFT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
		ew32(PSRCTL, psrctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	ew32(RCTL, rctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
	/* just started the receive unit, no need to restart */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
	adapter->flags &= ~FLAG_RX_RESTART_NOW;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
 * e1000_configure_rx - Configure Receive Unit after Reset
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
 * Configure the Rx unit of the MAC after a reset.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
static void e1000_configure_rx(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
	struct e1000_ring *rx_ring = adapter->rx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
	u64 rdba;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
	u32 rdlen, rctl, rxcsum, ctrl_ext;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
	if (adapter->rx_ps_pages) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
		/* this is a 32 byte descriptor */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		rdlen = rx_ring->count *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
			sizeof(union e1000_rx_desc_packet_split);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
		adapter->clean_rx = e1000_clean_rx_irq_ps;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
	} else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
		adapter->clean_rx = e1000_clean_rx_irq;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	/* disable receives while setting up the descriptors */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	rctl = er32(RCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
	e1e_flush();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	msleep(10);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
	if (adapter->flags2 & FLAG2_DMA_BURST) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
		 * set the writeback threshold (only takes effect if the RDTR
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
		 * is set). set GRAN=1 and write back up to 0x4 worth, and
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
		 * enable prefetching of 0x20 rx descriptors
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		 * granularity = 01
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
		 * wthresh = 04,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		 * hthresh = 04,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		 * pthresh = 0x20
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
		ew32(RXDCTL(0), E1000_RXDCTL_DMA_BURST_ENABLE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		ew32(RXDCTL(1), E1000_RXDCTL_DMA_BURST_ENABLE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		 * override the delay timers for enabling bursting, only if
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		 * the value was not set by the user via module options
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
		if (adapter->rx_int_delay == DEFAULT_RDTR)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
			adapter->rx_int_delay = BURST_RDTR;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
		if (adapter->rx_abs_int_delay == DEFAULT_RADV)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
			adapter->rx_abs_int_delay = BURST_RADV;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
	/* set the Receive Delay Timer Register */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
	ew32(RDTR, adapter->rx_int_delay);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
	/* irq moderation */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
	ew32(RADV, adapter->rx_abs_int_delay);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
	if ((adapter->itr_setting != 0) && (adapter->itr != 0))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
		ew32(ITR, 1000000000 / (adapter->itr * 256));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	ctrl_ext = er32(CTRL_EXT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
	/* Auto-Mask interrupts upon ICR access */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	ctrl_ext |= E1000_CTRL_EXT_IAME;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
	ew32(IAM, 0xffffffff);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
	ew32(CTRL_EXT, ctrl_ext);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	e1e_flush();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
	 * Setup the HW Rx Head and Tail Descriptor Pointers and
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
	 * the Base and Length of the Rx Descriptor Ring
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	rdba = rx_ring->dma;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	ew32(RDBAL, (rdba & DMA_BIT_MASK(32)));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
	ew32(RDBAH, (rdba >> 32));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	ew32(RDLEN, rdlen);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
	ew32(RDH, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
	ew32(RDT, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
	rx_ring->head = E1000_RDH;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
	rx_ring->tail = E1000_RDT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
	/* Enable Receive Checksum Offload for TCP and UDP */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	rxcsum = er32(RXCSUM);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
	if (adapter->flags & FLAG_RX_CSUM_ENABLED) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
		rxcsum |= E1000_RXCSUM_TUOFL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
		 * IPv4 payload checksum for UDP fragments must be
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
		 * used in conjunction with packet-split.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
		if (adapter->rx_ps_pages)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
			rxcsum |= E1000_RXCSUM_IPPCSE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
		rxcsum &= ~E1000_RXCSUM_TUOFL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		/* no need to clear IPPCSE as it defaults to 0 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	ew32(RXCSUM, rxcsum);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	 * Enable early receives on supported devices, only takes effect when
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	 * packet size is equal or larger than the specified value (in 8 byte
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
	 * units), e.g. using jumbo frames when setting to E1000_ERT_2048
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
	if ((adapter->flags & FLAG_HAS_ERT) ||
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
	    (adapter->hw.mac.type == e1000_pch2lan)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
			u32 rxdctl = er32(RXDCTL(0));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
			ew32(RXDCTL(0), rxdctl | 0x3);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
			if (adapter->flags & FLAG_HAS_ERT)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
				ew32(ERT, E1000_ERT_2048 | (1 << 13));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
			/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
			 * With jumbo frames and early-receive enabled,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
			 * excessive C-state transition latencies result in
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
			 * dropped transactions.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
			pm_qos_update_request(
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
				&adapter->netdev->pm_qos_req, 55);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
			pm_qos_update_request(
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
				&adapter->netdev->pm_qos_req,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
				PM_QOS_DEFAULT_VALUE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
	/* Enable Receives */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
	ew32(RCTL, rctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
 *  e1000_update_mc_addr_list - Update Multicast addresses
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
 *  @hw: pointer to the HW structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
 *  @mc_addr_list: array of multicast addresses to program
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
 *  @mc_addr_count: number of multicast addresses to program
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
 *  Updates the Multicast Table Array.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
 *  The caller must have a packed mc_addr_list of multicast addresses.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
static void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
				      u32 mc_addr_count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, mc_addr_count);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
 * e1000_set_multi - Multicast and Promiscuous mode set
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
 * @netdev: network interface device structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
 * The set_multi entry point is called whenever the multicast address
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
 * list or the network interface flags are updated.  This routine is
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
 * responsible for configuring the hardware for proper multicast,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
 * promiscuous mode, and all-multi behavior.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
static void e1000_set_multi(struct net_device *netdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
	struct netdev_hw_addr *ha;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
	u8  *mta_list;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
	u32 rctl;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	int i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	/* Check for Promiscuous and All Multicast modes */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
	rctl = er32(RCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
	if (netdev->flags & IFF_PROMISC) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
		rctl &= ~E1000_RCTL_VFE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
		if (netdev->flags & IFF_ALLMULTI) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
			rctl |= E1000_RCTL_MPE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
			rctl &= ~E1000_RCTL_UPE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
			rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
			rctl |= E1000_RCTL_VFE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	ew32(RCTL, rctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
	if (!netdev_mc_empty(netdev)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
		mta_list = kmalloc(netdev_mc_count(netdev) * 6, GFP_ATOMIC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
		if (!mta_list)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
			return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
		/* prepare a packed array of only addresses. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
		i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
		netdev_for_each_mc_addr(ha, netdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
			memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
		e1000_update_mc_addr_list(hw, mta_list, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
		kfree(mta_list);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
		 * if we're called from probe, we might not have
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
		 * anything to do here, so clear out the list
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
		e1000_update_mc_addr_list(hw, NULL, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
 * e1000_configure - configure the hardware for Rx and Tx
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
 * @adapter: private board structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
static void e1000_configure(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	e1000_set_multi(adapter->netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
	e1000_restore_vlan(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	e1000_init_manageability_pt(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	e1000_configure_tx(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
	e1000_setup_rctl(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	e1000_configure_rx(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	if (adapter->ecdev) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
		adapter->alloc_rx_buf(adapter, adapter->rx_ring->count);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
		adapter->alloc_rx_buf(adapter, e1000_desc_unused(adapter->rx_ring));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
 * e1000e_power_up_phy - restore link in case the phy was powered down
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
 * @adapter: address of board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
 * The phy may be powered down to save power and turn off link when the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
 * driver is unloaded and wake on lan is not enabled (among others)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
 * *** this routine MUST be followed by a call to e1000e_reset ***
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
void e1000e_power_up_phy(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
	if (adapter->hw.phy.ops.power_up)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
		adapter->hw.phy.ops.power_up(&adapter->hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	adapter->hw.mac.ops.setup_link(&adapter->hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
 * e1000_power_down_phy - Power down the PHY
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
 * Power down the PHY so no link is implied when interface is down.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
 * The PHY cannot be powered down if management or WoL is active.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
static void e1000_power_down_phy(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
	/* WoL is enabled */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
	if (adapter->wol)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
	if (adapter->hw.phy.ops.power_down)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
		adapter->hw.phy.ops.power_down(&adapter->hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
 * e1000e_reset - bring the hardware into a known good state
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
 * This function boots the hardware and enables some settings that
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
 * require a configuration cycle of the hardware - those cannot be
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
 * set/changed during runtime. After reset the device needs to be
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
 * properly configured for Rx, Tx etc.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
void e1000e_reset(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
	struct e1000_mac_info *mac = &adapter->hw.mac;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
	struct e1000_fc_info *fc = &adapter->hw.fc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	u32 tx_space, min_tx_space, min_rx_space;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
	u32 pba = adapter->pba;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	u16 hwm;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	/* reset Packet Buffer Allocation to default */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	ew32(PBA, pba);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
	if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
		 * To maintain wire speed transmits, the Tx FIFO should be
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
		 * large enough to accommodate two full transmit packets,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
		 * the Rx FIFO should be large enough to accommodate at least
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
		 * one full receive packet and is similarly rounded up and
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
		 * expressed in KB.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
		pba = er32(PBA);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
		/* upper 16 bits has Tx packet buffer allocation size in KB */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
		tx_space = pba >> 16;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
		/* lower 16 bits has Rx packet buffer allocation size in KB */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
		pba &= 0xffff;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
		 * the Tx fifo also stores 16 bytes of information about the tx
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
		 * but don't include ethernet FCS because hardware appends it
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
		min_tx_space = (adapter->max_frame_size +
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
				sizeof(struct e1000_tx_desc) -
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
				ETH_FCS_LEN) * 2;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
		min_tx_space = ALIGN(min_tx_space, 1024);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
		min_tx_space >>= 10;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
		/* software strips receive CRC, so leave room for it */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
		min_rx_space = adapter->max_frame_size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
		min_rx_space = ALIGN(min_rx_space, 1024);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
		min_rx_space >>= 10;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
		 * If current Tx allocation is less than the min Tx FIFO size,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
		 * and the min Tx FIFO size is less than the current Rx FIFO
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
		 * allocation, take space away from current Rx allocation
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
		if ((tx_space < min_tx_space) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
		    ((min_tx_space - tx_space) < pba)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
			pba -= min_tx_space - tx_space;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
			/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
			 * if short on Rx space, Rx wins and must trump tx
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
			 * adjustment or use Early Receive if available
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
			if ((pba < min_rx_space) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
			    (!(adapter->flags & FLAG_HAS_ERT)))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
				/* ERT enabled in e1000_configure_rx */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
				pba = min_rx_space;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
		ew32(PBA, pba);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	 * flow control settings
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	 * The high water mark must be low enough to fit one full frame
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	 * (or the size used for early receive) above it in the Rx FIFO.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	 * Set it to the lower of:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	 * - 90% of the Rx FIFO size, and
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	 * - the full Rx FIFO size minus the early receive size (for parts
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	 * - the full Rx FIFO size minus one full frame
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
		fc->pause_time = 0xFFFF;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
		fc->pause_time = E1000_FC_PAUSE_TIME;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	fc->send_xon = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	fc->current_mode = fc->requested_mode;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	switch (hw->mac.type) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
		if ((adapter->flags & FLAG_HAS_ERT) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
		    (adapter->netdev->mtu > ETH_DATA_LEN))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
			hwm = min(((pba << 10) * 9 / 10),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
				  ((pba << 10) - (E1000_ERT_2048 << 3)));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
		else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
			hwm = min(((pba << 10) * 9 / 10),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
				  ((pba << 10) - adapter->max_frame_size));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
		fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
		fc->low_water = fc->high_water - 8;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
	case e1000_pchlan:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
		 * Workaround PCH LOM adapter hangs with certain network
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
		 * loads.  If hangs persist, try disabling Tx flow control.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
			fc->high_water = 0x3500;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
			fc->low_water  = 0x1500;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
			fc->high_water = 0x5000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
			fc->low_water  = 0x3000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
		fc->refresh_time = 0x1000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
	case e1000_pch2lan:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
		fc->high_water = 0x05C20;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
		fc->low_water = 0x05048;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
		fc->pause_time = 0x0650;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
		fc->refresh_time = 0x0400;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
			pba = 14;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
			ew32(PBA, pba);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
	 * Disable Adaptive Interrupt Moderation if 2 full packets cannot
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
	 * fit in receive buffer and early-receive not supported.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
	if (adapter->itr_setting & 0x3) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
		if (((adapter->max_frame_size * 2) > (pba << 10)) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
		    !(adapter->flags & FLAG_HAS_ERT)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
			if (!(adapter->flags2 & FLAG2_DISABLE_AIM)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
				dev_info(&adapter->pdev->dev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
					"Interrupt Throttle Rate turned off\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
				adapter->flags2 |= FLAG2_DISABLE_AIM;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
				ew32(ITR, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
		} else if (adapter->flags2 & FLAG2_DISABLE_AIM) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
			dev_info(&adapter->pdev->dev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
				 "Interrupt Throttle Rate turned on\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
			adapter->flags2 &= ~FLAG2_DISABLE_AIM;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
			adapter->itr = 20000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
			ew32(ITR, 1000000000 / (adapter->itr * 256));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
	/* Allow time for pending master requests to run */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	mac->ops.reset_hw(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	 * For parts with AMT enabled, let the firmware know
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	 * that the network interface is in control
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
	if (adapter->flags & FLAG_HAS_AMT)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
		e1000_get_hw_control(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
	ew32(WUC, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
	if (mac->ops.init_hw(hw))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
		e_err("Hardware Error\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	e1000_update_mng_vlan(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	ew32(VET, ETH_P_8021Q);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
	e1000e_reset_adaptive(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
	e1000_get_phy_info(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
	    !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
		u16 phy_data = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
		 * speed up time to link by disabling smart power down, ignore
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
		 * the return value of this function because there is nothing
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
		 * different we would do if it failed
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
		e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
		phy_data &= ~IGP02E1000_PM_SPD;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
		e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
int e1000e_up(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
	/* hardware has been reset, we need to reload some things */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	e1000_configure(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	clear_bit(__E1000_DOWN, &adapter->state);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	if (!adapter->ecdev) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
		napi_enable(&adapter->napi);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
	if (adapter->msix_entries)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
		e1000_configure_msix(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
	if (!adapter->ecdev) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
		e1000_irq_enable(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
		netif_wake_queue(adapter->netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
		/* fire a link change interrupt to start the watchdog */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
		if (adapter->msix_entries)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
			ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
		else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
			ew32(ICS, E1000_ICS_LSC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
void e1000e_down(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	u32 tctl, rctl;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	 * signal that we're down so the interrupt handler does not
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	 * reschedule our watchdog timer
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	set_bit(__E1000_DOWN, &adapter->state);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	/* disable receives in the hardware */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	rctl = er32(RCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	/* flush and sleep below */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2234
diff changeset
  3419
	if (!adapter->ecdev)
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
		netif_stop_queue(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
	/* disable transmits in the hardware */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
	tctl = er32(TCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
	tctl &= ~E1000_TCTL_EN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	ew32(TCTL, tctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
	/* flush both disables and wait for them to finish */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	e1e_flush();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
	msleep(10);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	if (!adapter->ecdev) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
		napi_disable(&adapter->napi);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
		e1000_irq_disable(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
		del_timer_sync(&adapter->watchdog_timer);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
		del_timer_sync(&adapter->phy_info_timer);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	if (adapter->ecdev) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
		ecdev_set_link(adapter->ecdev, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
		netif_carrier_off(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
	adapter->link_speed = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	adapter->link_duplex = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	if (!pci_channel_offline(adapter->pdev))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
		e1000e_reset(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
	e1000_clean_tx_ring(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	e1000_clean_rx_ring(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	 * TODO: for power management, we could drop the link and
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
	 * pci_disable_device here.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
void e1000e_reinit_locked(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	might_sleep();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
		msleep(1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
	e1000e_down(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
	e1000e_up(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	clear_bit(__E1000_RESETTING, &adapter->state);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
 * @adapter: board private structure to initialize
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
 * e1000_sw_init initializes the Adapter private data structure.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
 * Fields are initialized based on PCI device information and
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
 * OS network device settings (MTU size).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	adapter->rx_ps_bsize0 = 128;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	e1000e_set_interrupt_capability(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
	if (e1000_alloc_queues(adapter))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
		return -ENOMEM;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	/* Explicitly disable IRQ since the NIC can be in any state. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	e1000_irq_disable(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	set_bit(__E1000_DOWN, &adapter->state);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
 * e1000_intr_msi_test - Interrupt Handler
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
 * @irq: interrupt number
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
 * @data: pointer to a network interface device structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
static irqreturn_t e1000_intr_msi_test(int irq, void *data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	struct net_device *netdev = data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	u32 icr = er32(ICR);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
	e_dbg("icr is %08X\n", icr);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
	if (icr & E1000_ICR_RXSEQ) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
		wmb();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
	return IRQ_HANDLED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
 * e1000_test_msi_interrupt - Returns 0 for successful test
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
 * @adapter: board private struct
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
 * code flow taken from tg3.c
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	int err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
	/* poll_enable hasn't been called yet, so don't need disable */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
	/* clear any pending events */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
	er32(ICR);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
	/* free the real vector and request a test handler */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	e1000_free_irq(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
	e1000e_reset_interrupt_capability(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	/* Assume that the test fails, if it succeeds then the test
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
	 * MSI irq handler will unset this flag */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	adapter->flags |= FLAG_MSI_TEST_FAILED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
	err = pci_enable_msi(adapter->pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
		goto msi_test_failed;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
			  netdev->name, netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
	if (err) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
		pci_disable_msi(adapter->pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
		goto msi_test_failed;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
	wmb();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
	e1000_irq_enable(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	/* fire an unusual interrupt on the test handler */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	ew32(ICS, E1000_ICS_RXSEQ);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
	e1e_flush();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	msleep(50);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	e1000_irq_disable(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	rmb();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
		e_info("MSI interrupt test failed, using legacy interrupt.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
	} else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
		e_dbg("MSI interrupt test succeeded!\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
	free_irq(adapter->pdev->irq, netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
	pci_disable_msi(adapter->pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
msi_test_failed:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
	e1000e_set_interrupt_capability(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
	return e1000_request_irq(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
 * e1000_test_msi - Returns 0 if MSI test succeeds or INTx mode is restored
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
 * @adapter: board private struct
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
 * code flow taken from tg3.c, called with e1000 interrupts disabled.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
static int e1000_test_msi(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
	int err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
	u16 pci_cmd;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
	if (!(adapter->flags & FLAG_MSI_ENABLED))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
		return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
	/* disable SERR in case the MSI write causes a master abort */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
	if (pci_cmd & PCI_COMMAND_SERR)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
		pci_write_config_word(adapter->pdev, PCI_COMMAND,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
				      pci_cmd & ~PCI_COMMAND_SERR);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	err = e1000_test_msi_interrupt(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
	/* re-enable SERR */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	if (pci_cmd & PCI_COMMAND_SERR) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
		pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
		pci_cmd |= PCI_COMMAND_SERR;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
		pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
	return err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
 * e1000_open - Called when a network interface is made active
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
 * @netdev: network interface device structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
 * Returns 0 on success, negative value on failure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
 * The open entry point is called when a network interface is made
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
 * active by the system (IFF_UP).  At this point all resources needed
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
 * for transmit and receive operations are allocated, the interrupt
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
 * handler is registered with the OS, the watchdog timer is started,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
 * and the stack is notified that the interface is ready.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
static int e1000_open(struct net_device *netdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	int err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
	/* disallow open during test */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
	if (test_bit(__E1000_TESTING, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
		return -EBUSY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
	pm_runtime_get_sync(&pdev->dev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	if (adapter->ecdev) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
		ecdev_set_link(adapter->ecdev, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
		netif_carrier_off(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	/* allocate transmit descriptors */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
	err = e1000e_setup_tx_resources(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
		goto err_setup_tx;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	/* allocate receive descriptors */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
	err = e1000e_setup_rx_resources(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
		goto err_setup_rx;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	 * If AMT is enabled, let the firmware know that the network
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	 * interface is now open and reset the part to a known state.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	if (adapter->flags & FLAG_HAS_AMT) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
		e1000_get_hw_control(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
		e1000e_reset(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
	e1000e_power_up_phy(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
	if ((adapter->hw.mng_cookie.status &
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
		e1000_update_mng_vlan(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	/* DMA latency requirement to workaround early-receive/jumbo issue */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
	if ((adapter->flags & FLAG_HAS_ERT) ||
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	    (adapter->hw.mac.type == e1000_pch2lan))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
		pm_qos_add_request(&adapter->netdev->pm_qos_req,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
				   PM_QOS_CPU_DMA_LATENCY,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
				   PM_QOS_DEFAULT_VALUE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	 * before we allocate an interrupt, we must be ready to handle it.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	 * as soon as we call pci_request_irq, so we have to setup our
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	 * clean_rx handler before we do so.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
	e1000_configure(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
	err = e1000_request_irq(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
		goto err_req_irq;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	 * Work around PCIe errata with MSI interrupts causing some chipsets to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	 * ignore e1000e MSI messages, which means we need to test our MSI
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
	 * interrupt now
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
	if (adapter->int_mode != E1000E_INT_MODE_LEGACY) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
		err = e1000_test_msi(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
		if (err) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
			e_err("Interrupt allocation failed\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
			goto err_req_irq;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
	/* From here on the code is the same as e1000e_up() */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
	clear_bit(__E1000_DOWN, &adapter->state);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
	if (!adapter->ecdev) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
		napi_enable(&adapter->napi);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
		e1000_irq_enable(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
		netif_start_queue(netdev);
2473
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  3708
	}
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  3709
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  3710
	adapter->idle_check = true;
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  3711
	pm_runtime_put(&pdev->dev);
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  3712
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  3713
	/* fire a link status change interrupt to start the watchdog */
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  3714
	if (adapter->msix_entries)
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  3715
		ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  3716
	else
f62b64fdbc23 Fixed e1000_open() in e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2472
diff changeset
  3717
		ew32(ICS, E1000_ICS_LSC);
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
err_req_irq:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
	e1000_release_hw_control(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	e1000_power_down_phy(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	e1000e_free_rx_resources(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
err_setup_rx:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
	e1000e_free_tx_resources(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
err_setup_tx:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
	e1000e_reset(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
	pm_runtime_put_sync(&pdev->dev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
	return err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
 * e1000_close - Disables a network interface
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
 * @netdev: network interface device structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
 * Returns 0, this is not allowed to fail
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
 * The close entry point is called when an interface is de-activated
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
 * by the OS.  The hardware is still under the drivers control, but
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
 * needs to be disabled.  A global MAC reset is issued to stop the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
 * hardware, and all transmit and receive resources are freed.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
static int e1000_close(struct net_device *netdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
	pm_runtime_get_sync(&pdev->dev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
	if (!test_bit(__E1000_DOWN, &adapter->state)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
		e1000e_down(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
		e1000_free_irq(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	e1000_power_down_phy(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
	e1000e_free_tx_resources(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
	e1000e_free_rx_resources(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
	 * kill manageability vlan ID if supported, but not if a vlan with
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
	 * the same ID is registered on the host OS (let 8021q kill it)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
	if ((adapter->hw.mng_cookie.status &
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	     !(adapter->vlgrp &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id)))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	 * If AMT is enabled, let the firmware know that the network
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	 * interface is now closed
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
	if (adapter->flags & FLAG_HAS_AMT)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
		e1000_release_hw_control(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
	if ((adapter->flags & FLAG_HAS_ERT) ||
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
	    (adapter->hw.mac.type == e1000_pch2lan))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
		pm_qos_remove_request(&adapter->netdev->pm_qos_req);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
	pm_runtime_put_sync(&pdev->dev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
 * e1000_set_mac - Change the Ethernet Address of the NIC
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
 * @netdev: network interface device structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
 * @p: pointer to an address structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
 * Returns 0 on success, negative on failure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
static int e1000_set_mac(struct net_device *netdev, void *p)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
	struct sockaddr *addr = p;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
	if (!is_valid_ether_addr(addr->sa_data))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
		return -EADDRNOTAVAIL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
	memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
	e1000e_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		/* activate the work around */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
		e1000e_set_laa_state_82571(&adapter->hw, 1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		 * Hold a copy of the LAA in RAR[14] This is done so that
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
		 * between the time RAR[0] gets clobbered  and the time it
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
		 * of the RARs and no incoming packets directed to this port
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
		 * are dropped. Eventually the LAA will be in RAR[0] and
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
		 * RAR[14]
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
		e1000e_rar_set(&adapter->hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
			      adapter->hw.mac.addr,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
			      adapter->hw.mac.rar_entry_count - 1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
 * e1000e_update_phy_task - work thread to update phy
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
 * @work: pointer to our work struct
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
 * this worker thread exists because we must acquire a
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
 * semaphore to read the phy, which we could msleep while
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
 * waiting for it, and we can't msleep in a timer.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
static void e1000e_update_phy_task(struct work_struct *work)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	struct e1000_adapter *adapter = container_of(work,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
					struct e1000_adapter, update_phy_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
	e1000_get_phy_info(&adapter->hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
 * Need to wait a few seconds after link up to get diagnostic information from
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
 * the phy
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
static void e1000_update_phy_info(unsigned long data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
	schedule_work(&adapter->update_phy_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
 * e1000e_update_phy_stats - Update the PHY statistics counters
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
static void e1000e_update_phy_stats(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
	s32 ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	u16 phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
	ret_val = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	hw->phy.addr = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
#define HV_PHY_STATS_PAGE	778
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	 * A page set is expensive so check if already on desired page.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	 * If not, set to the page with the PHY status registers.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	ret_val = e1000e_read_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
					   &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
	if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
		goto release;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
	if (phy_data != (HV_PHY_STATS_PAGE << IGP_PAGE_SHIFT)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
		ret_val = e1000e_write_phy_reg_mdic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
						    IGP01E1000_PHY_PAGE_SELECT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
						    (HV_PHY_STATS_PAGE <<
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
						     IGP_PAGE_SHIFT));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
			goto release;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
	/* Read/clear the upper 16-bit registers and read/accumulate lower */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
	/* Single Collision Count */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
	e1000e_read_phy_reg_mdic(hw, HV_SCC_UPPER & MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
				 &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
	ret_val = e1000e_read_phy_reg_mdic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
					   HV_SCC_LOWER & MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
					   &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
	if (!ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
		adapter->stats.scc += phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
	/* Excessive Collision Count */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
	e1000e_read_phy_reg_mdic(hw, HV_ECOL_UPPER & MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
				 &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
	ret_val = e1000e_read_phy_reg_mdic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
					   HV_ECOL_LOWER & MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
					   &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
	if (!ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
		adapter->stats.ecol += phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
	/* Multiple Collision Count */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
	e1000e_read_phy_reg_mdic(hw, HV_MCC_UPPER & MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
				 &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
	ret_val = e1000e_read_phy_reg_mdic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
					   HV_MCC_LOWER & MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
					   &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
	if (!ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
		adapter->stats.mcc += phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
	/* Late Collision Count */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
	e1000e_read_phy_reg_mdic(hw, HV_LATECOL_UPPER & MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
				 &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
	ret_val = e1000e_read_phy_reg_mdic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
					   HV_LATECOL_LOWER &
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
					   MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
					   &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
	if (!ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
		adapter->stats.latecol += phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
	/* Collision Count - also used for adaptive IFS */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
	e1000e_read_phy_reg_mdic(hw, HV_COLC_UPPER & MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
				 &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
	ret_val = e1000e_read_phy_reg_mdic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
					   HV_COLC_LOWER & MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
					   &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
	if (!ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
		hw->mac.collision_delta = phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
	/* Defer Count */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
	e1000e_read_phy_reg_mdic(hw, HV_DC_UPPER & MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
				 &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
	ret_val = e1000e_read_phy_reg_mdic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
					   HV_DC_LOWER & MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
					   &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
	if (!ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
		adapter->stats.dc += phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
	/* Transmit with no CRS */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	e1000e_read_phy_reg_mdic(hw, HV_TNCRS_UPPER & MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
				 &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
	ret_val = e1000e_read_phy_reg_mdic(hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
					   HV_TNCRS_LOWER & MAX_PHY_REG_ADDRESS,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
					   &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
	if (!ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
		adapter->stats.tncrs += phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
release:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
	hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
 * e1000e_update_stats - Update the board statistics counters
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
void e1000e_update_stats(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	 * Prevent stats update while adapter is being reset, or if the pci
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
	 * connection is down.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
	if (adapter->link_speed == 0)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
	if (pci_channel_offline(pdev))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
	adapter->stats.crcerrs += er32(CRCERRS);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	adapter->stats.gprc += er32(GPRC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
	adapter->stats.gorc += er32(GORCL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
	er32(GORCH); /* Clear gorc */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
	adapter->stats.bprc += er32(BPRC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
	adapter->stats.mprc += er32(MPRC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
	adapter->stats.roc += er32(ROC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
	adapter->stats.mpc += er32(MPC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
	/* Half-duplex statistics */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
	if (adapter->link_duplex == HALF_DUPLEX) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
		if (adapter->flags2 & FLAG2_HAS_PHY_STATS) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
			e1000e_update_phy_stats(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
			adapter->stats.scc += er32(SCC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
			adapter->stats.ecol += er32(ECOL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
			adapter->stats.mcc += er32(MCC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
			adapter->stats.latecol += er32(LATECOL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
			adapter->stats.dc += er32(DC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
			hw->mac.collision_delta = er32(COLC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
			if ((hw->mac.type != e1000_82574) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
			    (hw->mac.type != e1000_82583))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
				adapter->stats.tncrs += er32(TNCRS);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
		adapter->stats.colc += hw->mac.collision_delta;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
	adapter->stats.xonrxc += er32(XONRXC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
	adapter->stats.xontxc += er32(XONTXC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
	adapter->stats.xoffrxc += er32(XOFFRXC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
	adapter->stats.xofftxc += er32(XOFFTXC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
	adapter->stats.gptc += er32(GPTC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
	adapter->stats.gotc += er32(GOTCL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
	er32(GOTCH); /* Clear gotc */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
	adapter->stats.rnbc += er32(RNBC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
	adapter->stats.ruc += er32(RUC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
	adapter->stats.mptc += er32(MPTC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
	adapter->stats.bptc += er32(BPTC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
	/* used for adaptive IFS */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
	hw->mac.tx_packet_delta = er32(TPT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
	adapter->stats.tpt += hw->mac.tx_packet_delta;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
	adapter->stats.algnerrc += er32(ALGNERRC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
	adapter->stats.rxerrc += er32(RXERRC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
	adapter->stats.cexterr += er32(CEXTERR);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
	adapter->stats.tsctc += er32(TSCTC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
	adapter->stats.tsctfc += er32(TSCTFC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
	/* Fill out the OS statistics structure */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
	netdev->stats.multicast = adapter->stats.mprc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
	netdev->stats.collisions = adapter->stats.colc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
	/* Rx Errors */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
	 * RLEC on some newer hardware can be incorrect so build
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
	 * our own version based on RUC and ROC
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
	netdev->stats.rx_errors = adapter->stats.rxerrc +
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
		adapter->stats.crcerrs + adapter->stats.algnerrc +
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
		adapter->stats.ruc + adapter->stats.roc +
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
		adapter->stats.cexterr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	netdev->stats.rx_length_errors = adapter->stats.ruc +
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
					      adapter->stats.roc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
	/* Tx Errors */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
	netdev->stats.tx_errors = adapter->stats.ecol +
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
				       adapter->stats.latecol;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
	netdev->stats.tx_window_errors = adapter->stats.latecol;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
	/* Tx Dropped needs to be maintained elsewhere */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
	/* Management Stats */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	adapter->stats.mgptc += er32(MGTPTC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
	adapter->stats.mgprc += er32(MGTPRC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
	adapter->stats.mgpdc += er32(MGTPDC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
 * e1000_phy_read_status - Update the PHY register status snapshot
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
 * @adapter: board private structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
static void e1000_phy_read_status(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
	struct e1000_phy_regs *phy = &adapter->phy_regs;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
	int ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
	if ((er32(STATUS) & E1000_STATUS_LU) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
	    (adapter->hw.phy.media_type == e1000_media_type_copper)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
		ret_val  = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
		ret_val |= e1e_rphy(hw, PHY_STATUS, &phy->bmsr);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
		ret_val |= e1e_rphy(hw, PHY_LP_ABILITY, &phy->lpa);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_EXP, &phy->expansion);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
		ret_val |= e1e_rphy(hw, PHY_1000T_CTRL, &phy->ctrl1000);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
		ret_val |= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
		ret_val |= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
		if (ret_val)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
			e_warn("Error reading PHY register\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
		 * Do not read PHY registers if link is not up
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
		 * Set values to typical power-on defaults
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
		phy->bmcr = (BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_FULLDPLX);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
		phy->bmsr = (BMSR_100FULL | BMSR_100HALF | BMSR_10FULL |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
			     BMSR_10HALF | BMSR_ESTATEN | BMSR_ANEGCAPABLE |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
			     BMSR_ERCAP);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
		phy->advertise = (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
				  ADVERTISE_ALL | ADVERTISE_CSMA);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
		phy->lpa = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
		phy->expansion = EXPANSION_ENABLENPAGE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
		phy->ctrl1000 = ADVERTISE_1000FULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
		phy->stat1000 = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
		phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
static void e1000_print_link_info(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
	u32 ctrl = er32(CTRL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
	/* Link status message must follow this format for user tools */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
	printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s, "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
	       "Flow Control: %s\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
	       adapter->netdev->name,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
	       adapter->link_speed,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
	       (adapter->link_duplex == FULL_DUPLEX) ?
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
	                        "Full Duplex" : "Half Duplex",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
	       ((ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE)) ?
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
	                        "RX/TX" :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
	       ((ctrl & E1000_CTRL_RFCE) ? "RX" :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
	       ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
static bool e1000e_has_link(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
	bool link_active = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
	s32 ret_val = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	 * get_link_status is set on LSC (link status) interrupt or
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	 * Rx sequence error interrupt.  get_link_status will stay
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	 * false until the check_for_link establishes link
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
	 * for copper adapters ONLY
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
	switch (hw->phy.media_type) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
	case e1000_media_type_copper:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
		if (hw->mac.get_link_status) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
			ret_val = hw->mac.ops.check_for_link(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
			link_active = !hw->mac.get_link_status;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
			link_active = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
	case e1000_media_type_fiber:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
		ret_val = hw->mac.ops.check_for_link(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
	case e1000_media_type_internal_serdes:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
		ret_val = hw->mac.ops.check_for_link(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
		link_active = adapter->hw.mac.serdes_has_link;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
	case e1000_media_type_unknown:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
	if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
		/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
		e_info("Gigabit has been disabled, downgrading speed\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
	return link_active;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
static void e1000e_enable_receives(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
	/* make sure the receive unit is started */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
	    (adapter->flags & FLAG_RX_RESTART_NOW)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		u32 rctl = er32(RCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		ew32(RCTL, rctl | E1000_RCTL_EN);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		adapter->flags &= ~FLAG_RX_RESTART_NOW;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
static void e1000e_check_82574_phy_workaround(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
	 * With 82574 controllers, PHY needs to be checked periodically
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
	 * for hung state and reset, if two calls return true
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
	if (e1000_check_phy_82574(hw))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
		adapter->phy_hang_count++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
		adapter->phy_hang_count = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
	if (adapter->phy_hang_count > 1) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
		adapter->phy_hang_count = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
		schedule_work(&adapter->reset_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
 * e1000_watchdog - Timer Call-back
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
 * @data: pointer to adapter cast into an unsigned long
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
static void e1000_watchdog(unsigned long data)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
	/* Do the rest outside of interrupt context */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
	schedule_work(&adapter->watchdog_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
	/* TODO: make this use queue_delayed_work() */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
static void e1000_watchdog_task(struct work_struct *work)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	struct e1000_adapter *adapter = container_of(work,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
					struct e1000_adapter, watchdog_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
	struct e1000_mac_info *mac = &adapter->hw.mac;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
	struct e1000_phy_info *phy = &adapter->hw.phy;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
	u32 link, tctl;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	int tx_pending = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
	link = e1000e_has_link(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	if ((adapter->ecdev && (ecdev_get_link(adapter->ecdev)) && link)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
			|| (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
		if (!adapter->ecdev) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
			/* Cancel scheduled suspend requests. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
			pm_runtime_resume(netdev->dev.parent);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
		e1000e_enable_receives(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
		goto link_up;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
	    (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
		e1000_update_mng_vlan(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
	if (link) {
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2234
diff changeset
  4241
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
			bool txb2b = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
			/* Cancel scheduled suspend requests. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
			pm_runtime_resume(netdev->dev.parent);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
			/* update snapshot of PHY registers on LSC */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
			e1000_phy_read_status(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
			mac->ops.get_link_up_info(&adapter->hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
						   &adapter->link_speed,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
						   &adapter->link_duplex);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
			e1000_print_link_info(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
			/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
			 * On supported PHYs, check for duplex mismatch only
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
			 * if link has autonegotiated at 10/100 half
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
			if ((hw->phy.type == e1000_phy_igp_3 ||
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
			     hw->phy.type == e1000_phy_bm) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
			    (hw->mac.autoneg == true) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
			    (adapter->link_speed == SPEED_10 ||
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
			     adapter->link_speed == SPEED_100) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
			    (adapter->link_duplex == HALF_DUPLEX)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
				u16 autoneg_exp;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
				e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
				if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
					e_info("Autonegotiated half duplex but"
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
					       " link partner cannot autoneg. "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
					       " Try forcing full duplex if "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
					       "link gets many collisions.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
			/* adjust timeout factor according to speed/duplex */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
			adapter->tx_timeout_factor = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
			switch (adapter->link_speed) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
			case SPEED_10:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
				txb2b = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
				adapter->tx_timeout_factor = 16;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
				break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
			case SPEED_100:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
				txb2b = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
				adapter->tx_timeout_factor = 10;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
				break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
			/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
			 * workaround: re-program speed mode bit after
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
			 * link-up event
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
			if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
			    !txb2b) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
				u32 tarc0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
				tarc0 = er32(TARC(0));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
				tarc0 &= ~SPEED_MODE_BIT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
				ew32(TARC(0), tarc0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
			/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
			 * disable TSO for pcie and 10/100 speeds, to avoid
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
			 * some hardware issues
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
			if (!(adapter->flags & FLAG_TSO_FORCE)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
				switch (adapter->link_speed) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
				case SPEED_10:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
				case SPEED_100:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
					e_info("10/100 speed: disabling TSO\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
					netdev->features &= ~NETIF_F_TSO;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
					netdev->features &= ~NETIF_F_TSO6;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
					break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
				case SPEED_1000:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
					netdev->features |= NETIF_F_TSO;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
					netdev->features |= NETIF_F_TSO6;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
					break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
				default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
					/* oops */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
					break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
				}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
			/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
			 * enable transmits in the hardware, need to do this
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
			 * after setting TARC(0)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
			tctl = er32(TCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
			tctl |= E1000_TCTL_EN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
			ew32(TCTL, tctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
                        /*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
			 * Perform any post-link-up configuration before
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
			 * reporting link up.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
			if (phy->ops.cfg_on_link_up)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
				phy->ops.cfg_on_link_up(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
			if (adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
				ecdev_set_link(adapter->ecdev, 1);
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2234
diff changeset
  4339
			else
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
				netif_carrier_on(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
			if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
				mod_timer(&adapter->phy_info_timer,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
					  round_jiffies(jiffies + 2 * HZ));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
	} else {
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2234
diff changeset
  4347
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
			adapter->link_speed = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
			adapter->link_duplex = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
			/* Link status message must follow this format */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
			printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
			       adapter->netdev->name);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
			if (adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
				ecdev_set_link(adapter->ecdev, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
			else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
				netif_carrier_off(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
			if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
				mod_timer(&adapter->phy_info_timer,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
					  round_jiffies(jiffies + 2 * HZ));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
			if (adapter->flags & FLAG_RX_NEEDS_RESTART)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
				schedule_work(&adapter->reset_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
			else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
				pm_schedule_suspend(netdev->dev.parent,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
							LINK_TIMEOUT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
link_up:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
	e1000e_update_stats(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
	mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
	adapter->tpt_old = adapter->stats.tpt;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
	mac->collision_delta = adapter->stats.colc - adapter->colc_old;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
	adapter->colc_old = adapter->stats.colc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
	adapter->gorc_old = adapter->stats.gorc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
	adapter->gotc_old = adapter->stats.gotc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
	e1000e_update_adaptive(&adapter->hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
2500
97fd83907c7c Fixed repeating e1000e reset while link down, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents: 2499
diff changeset
  4385
	if (!adapter->ecdev && !netif_carrier_ok(netdev)) {
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
		tx_pending = (e1000_desc_unused(tx_ring) + 1 <
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
			       tx_ring->count);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
		if (tx_pending) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
			/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
			 * We've lost link, so the controller stops DMA,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
			 * but we've got queued Tx work that's never going
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
			 * to get done, so reset controller to flush Tx.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
			 * (Do the reset outside of interrupt context).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
			 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
			adapter->tx_timeout_count++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
			schedule_work(&adapter->reset_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
			/* return immediately since reset is imminent */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
			return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
	/* Simple mode for Interrupt Throttle Rate (ITR) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
	if (adapter->itr_setting == 4) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
		 * Symmetric Tx/Rx gets a reduced ITR=2000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
		 * Total asymmetrical Tx or Rx gets ITR=8000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
		 * everyone else is between 2000-8000.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
		u32 goc = (adapter->gotc + adapter->gorc) / 10000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
		u32 dif = (adapter->gotc > adapter->gorc ?
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
			    adapter->gotc - adapter->gorc :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
			    adapter->gorc - adapter->gotc) / 10000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
		ew32(ITR, 1000000000 / (itr * 256));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
	/* Cause software interrupt to ensure Rx ring is cleaned */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
	if (adapter->msix_entries)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
		ew32(ICS, adapter->rx_ring->ims_val);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
		ew32(ICS, E1000_ICS_RXDMT0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
	/* Force detection of hung controller every watchdog period */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
	adapter->detect_tx_hung = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
	/* flush partial descriptors to memory before detecting tx hang */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
	if (adapter->flags2 & FLAG2_DMA_BURST) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
		ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
		ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		 * no need to flush the writes because the timeout code does
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
		 * an er32 first thing
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
	 * With 82571 controllers, LAA may be overwritten due to controller
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
	 * reset from the other port. Set the appropriate LAA in RAR[0]
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
	if (e1000e_get_laa_state_82571(hw))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
		e1000e_rar_set(hw, adapter->hw.mac.addr, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
	if (adapter->flags2 & FLAG2_CHECK_PHY_HANG)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
		e1000e_check_82574_phy_workaround(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
	/* Reset the timer */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
	if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
		mod_timer(&adapter->watchdog_timer,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
			  round_jiffies(jiffies + 2 * HZ));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
#define E1000_TX_FLAGS_CSUM		0x00000001
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
#define E1000_TX_FLAGS_VLAN		0x00000002
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
#define E1000_TX_FLAGS_TSO		0x00000004
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
#define E1000_TX_FLAGS_IPV4		0x00000008
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
#define E1000_TX_FLAGS_VLAN_SHIFT	16
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
static int e1000_tso(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
		     struct sk_buff *skb)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
	struct e1000_context_desc *context_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
	struct e1000_buffer *buffer_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
	unsigned int i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
	u32 cmd_length = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
	u16 ipcse = 0, tucse, mss;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
	int err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
	if (!skb_is_gso(skb))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
	if (skb_header_cloned(skb)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
		err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
		if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
			return err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
	mss = skb_shinfo(skb)->gso_size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
	if (skb->protocol == htons(ETH_P_IP)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
		struct iphdr *iph = ip_hdr(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
		iph->tot_len = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
		iph->check = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
		tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
		                                         0, IPPROTO_TCP, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
		cmd_length = E1000_TXD_CMD_IP;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
		ipcse = skb_transport_offset(skb) - 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
	} else if (skb_is_gso_v6(skb)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
		ipv6_hdr(skb)->payload_len = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
		                                       &ipv6_hdr(skb)->daddr,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
		                                       0, IPPROTO_TCP, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
		ipcse = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	ipcss = skb_network_offset(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
	tucss = skb_transport_offset(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
	tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
	tucse = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
	cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
	               E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
	i = tx_ring->next_to_use;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
	buffer_info = &tx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	context_desc->lower_setup.ip_fields.ipcss  = ipcss;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
	context_desc->lower_setup.ip_fields.ipcso  = ipcso;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
	context_desc->upper_setup.tcp_fields.tucss = tucss;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
	context_desc->upper_setup.tcp_fields.tucso = tucso;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
	context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
	context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
	buffer_info->time_stamp = jiffies;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
	buffer_info->next_to_watch = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
	i++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
	if (i == tx_ring->count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
		i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
	tx_ring->next_to_use = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
	return 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
	struct e1000_context_desc *context_desc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	struct e1000_buffer *buffer_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
	unsigned int i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
	u8 css;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
	u32 cmd_len = E1000_TXD_CMD_DEXT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
	__be16 protocol;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
	if (skb->ip_summed != CHECKSUM_PARTIAL)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
		return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
		protocol = skb->protocol;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	switch (protocol) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
	case cpu_to_be16(ETH_P_IP):
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
			cmd_len |= E1000_TXD_CMD_TCP;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
	case cpu_to_be16(ETH_P_IPV6):
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
		/* XXX not handling all IPV6 headers */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
			cmd_len |= E1000_TXD_CMD_TCP;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
		if (unlikely(net_ratelimit()))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
			e_warn("checksum_partial proto=%x!\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
			       be16_to_cpu(protocol));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
	css = skb_transport_offset(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
	i = tx_ring->next_to_use;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	buffer_info = &tx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	context_desc->lower_setup.ip_config = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	context_desc->upper_setup.tcp_fields.tucss = css;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	context_desc->upper_setup.tcp_fields.tucso =
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
				css + skb->csum_offset;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
	context_desc->upper_setup.tcp_fields.tucse = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	context_desc->tcp_seg_setup.data = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	buffer_info->time_stamp = jiffies;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
	buffer_info->next_to_watch = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
	i++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
	if (i == tx_ring->count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
		i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
	tx_ring->next_to_use = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
	return 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
#define E1000_MAX_PER_TXD	8192
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
#define E1000_MAX_TXD_PWR	12
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
static int e1000_tx_map(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
			struct sk_buff *skb, unsigned int first,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
			unsigned int max_per_txd, unsigned int nr_frags,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
			unsigned int mss)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	struct pci_dev *pdev = adapter->pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
	struct e1000_buffer *buffer_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	unsigned int len = skb_headlen(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
	unsigned int offset = 0, size, count = 0, i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	unsigned int f, bytecount, segs;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
	i = tx_ring->next_to_use;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
	while (len) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
		buffer_info = &tx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
		size = min(len, max_per_txd);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
		buffer_info->length = size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
		buffer_info->time_stamp = jiffies;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
		buffer_info->next_to_watch = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
		buffer_info->dma = dma_map_single(&pdev->dev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
						  skb->data + offset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
						  size,	DMA_TO_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		buffer_info->mapped_as_page = false;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
			goto dma_error;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
		len -= size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
		offset += size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
		count++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
		if (len) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
			i++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
			if (i == tx_ring->count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
				i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
	for (f = 0; f < nr_frags; f++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
		struct skb_frag_struct *frag;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
		frag = &skb_shinfo(skb)->frags[f];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
		len = frag->size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
		offset = frag->page_offset;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
		while (len) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
			i++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
			if (i == tx_ring->count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
				i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
			buffer_info = &tx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
			size = min(len, max_per_txd);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
			buffer_info->length = size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
			buffer_info->time_stamp = jiffies;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
			buffer_info->next_to_watch = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
			buffer_info->dma = dma_map_page(&pdev->dev, frag->page,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
							offset, size,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
							DMA_TO_DEVICE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
			buffer_info->mapped_as_page = true;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
				goto dma_error;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
			len -= size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
			offset += size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
			count++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
	segs = skb_shinfo(skb)->gso_segs ?: 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
	/* multiply data chunks by size of headers */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
	bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
	tx_ring->buffer_info[i].skb = skb;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
	tx_ring->buffer_info[i].segs = segs;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
	tx_ring->buffer_info[i].bytecount = bytecount;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
	tx_ring->buffer_info[first].next_to_watch = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
	return count;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
dma_error:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
	dev_err(&pdev->dev, "TX DMA map failed\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
	buffer_info->dma = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
	if (count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
		count--;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
	while (count--) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
		if (i==0)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
			i += tx_ring->count;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
		i--;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
		buffer_info = &tx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
		e1000_put_txbuf(adapter, buffer_info);;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
static void e1000_tx_queue(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
			   int tx_flags, int count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
	struct e1000_tx_desc *tx_desc = NULL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
	struct e1000_buffer *buffer_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
	unsigned int i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
	if (tx_flags & E1000_TX_FLAGS_TSO) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
			     E1000_TXD_CMD_TSE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
		if (tx_flags & E1000_TX_FLAGS_IPV4)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
	if (tx_flags & E1000_TX_FLAGS_CSUM) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
	if (tx_flags & E1000_TX_FLAGS_VLAN) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
		txd_lower |= E1000_TXD_CMD_VLE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
	i = tx_ring->next_to_use;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
	while (count--) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
		buffer_info = &tx_ring->buffer_info[i];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
		tx_desc = E1000_TX_DESC(*tx_ring, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
		tx_desc->lower.data =
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
			cpu_to_le32(txd_lower | buffer_info->length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
		tx_desc->upper.data = cpu_to_le32(txd_upper);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
		i++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
		if (i == tx_ring->count)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
			i = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
	 * Force memory writes to complete before letting h/w
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	 * know there are new descriptors to fetch.  (Only
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	 * applicable for weak-ordered memory model archs,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	 * such as IA-64).
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
	wmb();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
	tx_ring->next_to_use = i;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
	writel(i, adapter->hw.hw_addr + tx_ring->tail);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	 * we need this if more than one processor can write to our tail
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	 * at a time, it synchronizes IO on IA64/Altix systems
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
	mmiowb();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
#define MINIMUM_DHCP_PACKET_SIZE 282
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
				    struct sk_buff *skb)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	struct e1000_hw *hw =  &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
	u16 length, offset;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
	if (vlan_tx_tag_present(skb)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
		    (adapter->hw.mng_cookie.status &
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
			return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
		return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
	if (((struct ethhdr *) skb->data)->h_proto != htons(ETH_P_IP))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
		return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
	{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
		const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
		struct udphdr *udp;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
		if (ip->protocol != IPPROTO_UDP)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
			return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
		udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
		if (ntohs(udp->dest) != 67)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
			return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
		offset = (u8 *)udp + 8 - skb->data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
		length = skb->len - offset;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
		return e1000e_mng_write_dhcp_info(hw, (u8 *)udp + 8, length);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
2472
50b861e981f7 Fixed __e1000_maybe_stop_tx() for e1000e.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  4798
	if (adapter->ecdev) {
50b861e981f7 Fixed __e1000_maybe_stop_tx() for e1000e.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  4799
		return -EBUSY;
50b861e981f7 Fixed __e1000_maybe_stop_tx() for e1000e.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  4800
	}
50b861e981f7 Fixed __e1000_maybe_stop_tx() for e1000e.
Florian Pose <fp@igh-essen.com>
parents: 2421
diff changeset
  4801
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
	netif_stop_queue(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
	 * Herbert's original patch had:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
	 *  smp_mb__after_netif_stop_queue();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
	 * but since that doesn't exist yet, just open code it.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
	smp_mb();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
	 * We need to check again in a case another CPU has just
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
	 * made room available.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
	if (e1000_desc_unused(adapter->tx_ring) < size)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
		return -EBUSY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
	/* A reprieve! */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
	netif_start_queue(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
	++adapter->restart_queue;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
static int e1000_maybe_stop_tx(struct net_device *netdev, int size)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
	if (e1000_desc_unused(adapter->tx_ring) >= size)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
		return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	return __e1000_maybe_stop_tx(netdev, size);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
				    struct net_device *netdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
	struct e1000_ring *tx_ring = adapter->tx_ring;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
	unsigned int first;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
	unsigned int max_per_txd = E1000_MAX_PER_TXD;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
	unsigned int tx_flags = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
	unsigned int len = skb_headlen(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
	unsigned int nr_frags;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
	unsigned int mss;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
	int count = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
	int tso;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
	unsigned int f;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
	if (test_bit(__E1000_DOWN, &adapter->state)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
		if (!adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
			dev_kfree_skb_any(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
		return NETDEV_TX_OK;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
	if (skb->len <= 0) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
		if (!adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
			dev_kfree_skb_any(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
		return NETDEV_TX_OK;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
	mss = skb_shinfo(skb)->gso_size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
	 * The controller does a simple calculation to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
	 * make sure there is enough room in the FIFO before
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
	 * initiating the DMA for each buffer.  The calc is:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
	 * 4 = ceil(buffer len/mss).  To make sure we don't
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
	 * overrun the FIFO, adjust the max buffer len if mss
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
	 * drops.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
	if (mss) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
		u8 hdr_len;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
		max_per_txd = min(mss << 2, max_per_txd);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
		max_txd_pwr = fls(max_per_txd) - 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
		 * TSO Workaround for 82571/2/3 Controllers -- if skb->data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
		 * points to just header, pull a few bytes of payload from
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
		 * frags into skb->data
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
		/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
		 * we do this workaround for ES2LAN, but it is un-necessary,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
		 * avoiding it could save a lot of cycles
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
		 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
		if (skb->data_len && (hdr_len == len)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
			unsigned int pull_size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
			pull_size = min((unsigned int)4, skb->data_len);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
			if (!__pskb_pull_tail(skb, pull_size)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
				e_err("__pskb_pull_tail failed.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
				if (!adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
					dev_kfree_skb_any(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
				return NETDEV_TX_OK;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
			len = skb_headlen(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
	/* reserve a descriptor for the offload context */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
		count++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
	count++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	count += TXD_USE_COUNT(len, max_txd_pwr);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	nr_frags = skb_shinfo(skb)->nr_frags;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
	for (f = 0; f < nr_frags; f++)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
				       max_txd_pwr);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
	if (adapter->hw.mac.tx_pkt_filtering)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
		e1000_transfer_dhcp_info(adapter, skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
	 * need: count + 2 desc gap to keep tail from touching
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	 * head, otherwise try next time
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
	if (!adapter->ecdev && e1000_maybe_stop_tx(netdev, count + 2))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
		return NETDEV_TX_BUSY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
	if (vlan_tx_tag_present(skb)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
		tx_flags |= E1000_TX_FLAGS_VLAN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
	first = tx_ring->next_to_use;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
	tso = e1000_tso(adapter, skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
	if (tso < 0) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
		if (!adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
			dev_kfree_skb_any(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
		return NETDEV_TX_OK;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
	if (tso)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
		tx_flags |= E1000_TX_FLAGS_TSO;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	else if (e1000_tx_csum(adapter, skb))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
		tx_flags |= E1000_TX_FLAGS_CSUM;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
	 * Old method was to assume IPv4 packet by default if TSO was enabled.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
	 * no longer assume, we must.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	if (skb->protocol == htons(ETH_P_IP))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
		tx_flags |= E1000_TX_FLAGS_IPV4;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
	/* if count is 0 then mapping error has occured */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
	count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
	if (count) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
		e1000_tx_queue(adapter, tx_flags, count);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
		/* Make sure there is space in the ring for the next send. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
		if (!adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
			e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
		if (!adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
			dev_kfree_skb_any(skb);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
		tx_ring->buffer_info[first].time_stamp = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
		tx_ring->next_to_use = first;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
	return NETDEV_TX_OK;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
 * e1000_tx_timeout - Respond to a Tx Hang
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
 * @netdev: network interface device structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
static void e1000_tx_timeout(struct net_device *netdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
	/* Do the reset outside of interrupt context */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
	adapter->tx_timeout_count++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
	schedule_work(&adapter->reset_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
static void e1000_reset_task(struct work_struct *work)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
	struct e1000_adapter *adapter;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
	adapter = container_of(work, struct e1000_adapter, reset_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
	if (!((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
	      (adapter->flags & FLAG_RX_RESTART_NOW))) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
		e1000e_dump(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
		e_err("Reset adapter\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	e1000e_reinit_locked(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
 * e1000_get_stats - Get System Network Statistics
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
 * @netdev: network interface device structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
 * Returns the address of the device statistics structure.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
 * The statistics are actually updated from the timer callback.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
	/* only return the current stats */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	return &netdev->stats;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
 * e1000_change_mtu - Change the Maximum Transfer Unit
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
 * @netdev: network interface device structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
 * @new_mtu: new value for maximum frame size
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
 * Returns 0 on success, negative on failure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
	if (adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
		return -EBUSY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
	/* Jumbo frame support */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
	if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
	    !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
		e_err("Jumbo Frames not supported.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
		return -EINVAL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	/* Supported frame sizes */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
	if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
	    (max_frame > adapter->max_hw_frame_size)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
		e_err("Unsupported MTU setting\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
		return -EINVAL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	/* Jumbo frame workaround on 82579 requires CRC be stripped */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
	if ((adapter->hw.mac.type == e1000_pch2lan) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
	    !(adapter->flags2 & FLAG2_CRC_STRIPPING) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	    (new_mtu > ETH_DATA_LEN)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
		e_err("Jumbo Frames not supported on 82579 when CRC "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
		      "stripping is disabled.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
		return -EINVAL;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
	/* 82573 Errata 17 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
	if (((adapter->hw.mac.type == e1000_82573) ||
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
	     (adapter->hw.mac.type == e1000_82574)) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
	    (max_frame > ETH_FRAME_LEN + ETH_FCS_LEN)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
		adapter->flags2 |= FLAG2_DISABLE_ASPM_L1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
		e1000e_disable_aspm(adapter->pdev, PCIE_LINK_STATE_L1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
		msleep(1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
	/* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
	adapter->max_frame_size = max_frame;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
	e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
	netdev->mtu = new_mtu;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
	if (netif_running(netdev))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
		e1000e_down(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
	 * NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
	 * means we reserve 2 more, this pushes us to allocate from the next
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
	 * larger slab size.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
	 * i.e. RXBUFFER_2048 --> size-4096 slab
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
	 * However with the new *_jumbo_rx* routines, jumbo receives will use
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
	 * fragmented skbs
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
	if (max_frame <= 2048)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
		adapter->rx_buffer_len = 2048;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
		adapter->rx_buffer_len = 4096;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
	/* adjust allocation if LPE protects us, and we aren't using SBP */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
	     (max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
		adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
					 + ETH_FCS_LEN;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
	if (netif_running(netdev))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
		e1000e_up(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
	else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
		e1000e_reset(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
	clear_bit(__E1000_RESETTING, &adapter->state);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
			   int cmd)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
	struct mii_ioctl_data *data = if_mii(ifr);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
		return -EOPNOTSUPP;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
	switch (cmd) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
	case SIOCGMIIPHY:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
		data->phy_id = adapter->hw.phy.addr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
	case SIOCGMIIREG:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
		e1000_phy_read_status(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
		switch (data->reg_num & 0x1F) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
		case MII_BMCR:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
			data->val_out = adapter->phy_regs.bmcr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
		case MII_BMSR:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
			data->val_out = adapter->phy_regs.bmsr;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
		case MII_PHYSID1:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
			data->val_out = (adapter->hw.phy.id >> 16);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
		case MII_PHYSID2:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
			data->val_out = (adapter->hw.phy.id & 0xFFFF);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
		case MII_ADVERTISE:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
			data->val_out = adapter->phy_regs.advertise;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
		case MII_LPA:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
			data->val_out = adapter->phy_regs.lpa;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
		case MII_EXPANSION:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
			data->val_out = adapter->phy_regs.expansion;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
		case MII_CTRL1000:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
			data->val_out = adapter->phy_regs.ctrl1000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
		case MII_STAT1000:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
			data->val_out = adapter->phy_regs.stat1000;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
		case MII_ESTATUS:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
			data->val_out = adapter->phy_regs.estatus;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
		default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
			return -EIO;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
		break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
	case SIOCSMIIREG:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
		return -EOPNOTSUPP;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
	switch (cmd) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
	case SIOCGMIIPHY:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
	case SIOCGMIIREG:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
	case SIOCSMIIREG:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
		return e1000_mii_ioctl(netdev, ifr, cmd);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
	default:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
		return -EOPNOTSUPP;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
	u32 i, mac_reg;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
	u16 phy_reg;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
	int retval = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
	/* copy MAC RARs to PHY RARs */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
	e1000_copy_rx_addrs_to_phy_ich8lan(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
	/* copy MAC MTA to PHY MTA */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
		mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
		e1e_wphy(hw, BM_MTA(i), (u16)(mac_reg & 0xFFFF));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
		e1e_wphy(hw, BM_MTA(i) + 1, (u16)((mac_reg >> 16) & 0xFFFF));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
	/* configure PHY Rx Control register */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
	e1e_rphy(&adapter->hw, BM_RCTL, &phy_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
	mac_reg = er32(RCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
	if (mac_reg & E1000_RCTL_UPE)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
		phy_reg |= BM_RCTL_UPE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
	if (mac_reg & E1000_RCTL_MPE)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
		phy_reg |= BM_RCTL_MPE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
	phy_reg &= ~(BM_RCTL_MO_MASK);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
	if (mac_reg & E1000_RCTL_MO_3)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
		phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
				<< BM_RCTL_MO_SHIFT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
	if (mac_reg & E1000_RCTL_BAM)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
		phy_reg |= BM_RCTL_BAM;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
	if (mac_reg & E1000_RCTL_PMCF)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
		phy_reg |= BM_RCTL_PMCF;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	mac_reg = er32(CTRL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
	if (mac_reg & E1000_CTRL_RFCE)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
		phy_reg |= BM_RCTL_RFCE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
	e1e_wphy(&adapter->hw, BM_RCTL, phy_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
	/* enable PHY wakeup in MAC register */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
	ew32(WUFC, wufc);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
	ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
	/* configure and enable PHY wakeup in PHY registers */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
	e1e_wphy(&adapter->hw, BM_WUFC, wufc);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
	e1e_wphy(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
	/* activate PHY wakeup */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
	retval = hw->phy.ops.acquire(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
	if (retval) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
		e_err("Could not acquire PHY\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
		return retval;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
	e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
	                         (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
	retval = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
	if (retval) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
		e_err("Could not read PHY page 769\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
		goto out;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
	phy_reg |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
	retval = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
	if (retval)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
		e_err("Could not set PHY Host Wakeup bit\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
out:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
	hw->phy.ops.release(hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
	return retval;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
			    bool runtime)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
	struct net_device *netdev = pci_get_drvdata(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
	u32 ctrl, ctrl_ext, rctl, status;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
	/* Runtime suspend should only enable wakeup for link changes */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
	u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
	int retval = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
	netif_device_detach(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
	if (netif_running(netdev)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
		e1000e_down(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
		e1000_free_irq(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
	e1000e_reset_interrupt_capability(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
	retval = pci_save_state(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
	if (retval)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
		return retval;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
	status = er32(STATUS);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
	if (status & E1000_STATUS_LU)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
		wufc &= ~E1000_WUFC_LNKC;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
	if (wufc) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
		e1000_setup_rctl(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
		e1000_set_multi(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
		/* turn on all-multi mode if wake on multicast is enabled */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
		if (wufc & E1000_WUFC_MC) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
			rctl = er32(RCTL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
			rctl |= E1000_RCTL_MPE;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
			ew32(RCTL, rctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
		ctrl = er32(CTRL);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
		/* advertise wake from D3Cold */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
		#define E1000_CTRL_ADVD3WUC 0x00100000
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
		/* phy power management enable */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
		#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
		ctrl |= E1000_CTRL_ADVD3WUC;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
		if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
			ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
		ew32(CTRL, ctrl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
		if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
		    adapter->hw.phy.media_type ==
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
		    e1000_media_type_internal_serdes) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
			/* keep the laser running in D3 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
			ctrl_ext = er32(CTRL_EXT);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
			ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
			ew32(CTRL_EXT, ctrl_ext);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
		if (adapter->flags & FLAG_IS_ICH)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
			e1000e_disable_gig_wol_ich8lan(&adapter->hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
		/* Allow time for pending master requests to run */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
		e1000e_disable_pcie_master(&adapter->hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
		if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
			/* enable wakeup by the PHY */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
			retval = e1000_init_phy_wakeup(adapter, wufc);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
			if (retval)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
				return retval;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
		} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
			/* enable wakeup by the MAC */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
			ew32(WUFC, wufc);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
			ew32(WUC, E1000_WUC_PME_EN);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
		ew32(WUC, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
		ew32(WUFC, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
	*enable_wake = !!wufc;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
	/* make sure adapter isn't asleep if manageability is enabled */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
	if ((adapter->flags & FLAG_MNG_PT_ENABLED) ||
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
	    (hw->mac.ops.check_mng_mode(hw)))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
		*enable_wake = true;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
	if (adapter->hw.phy.type == e1000_phy_igp_3)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
	 * would have already happened in close and is redundant.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
	e1000_release_hw_control(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
	pci_disable_device(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
static void e1000_power_off(struct pci_dev *pdev, bool sleep, bool wake)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
	if (sleep && wake) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
		pci_prepare_to_sleep(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
	pci_wake_from_d3(pdev, wake);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
	pci_set_power_state(pdev, PCI_D3hot);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
                                    bool wake)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
	struct net_device *netdev = pci_get_drvdata(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
	 * The pci-e switch on some quad port adapters will report a
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
	 * correctable error when the MAC transitions from D0 to D3.  To
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
	 * prevent this we need to mask off the correctable errors on the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
	 * downstream port of the pci-e switch.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
	if (adapter->flags & FLAG_IS_QUAD_PORT) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
		struct pci_dev *us_dev = pdev->bus->self;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
		int pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
		u16 devctl;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
		pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
		                      (devctl & ~PCI_EXP_DEVCTL_CERE));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
		e1000_power_off(pdev, sleep, wake);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL, devctl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
		e1000_power_off(pdev, sleep, wake);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
#ifdef CONFIG_PCIEASPM
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
	pci_disable_link_state(pdev, state);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
#else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
	int pos;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
	u16 reg16;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
	 * Both device and parent should have the same ASPM setting.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
	 * Disable ASPM in downstream component first and then upstream.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
	pos = pci_pcie_cap(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
	pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &reg16);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
	reg16 &= ~state;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
	pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
	if (!pdev->bus->self)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
	pos = pci_pcie_cap(pdev->bus->self);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
	pci_read_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, &reg16);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
	reg16 &= ~state;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
	pci_write_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, reg16);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
#endif
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
	dev_info(&pdev->dev, "Disabling ASPM %s %s\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
		 (state & PCIE_LINK_STATE_L0S) ? "L0s" : "",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
		 (state & PCIE_LINK_STATE_L1) ? "L1" : "");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
	__e1000e_disable_aspm(pdev, state);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
#ifdef CONFIG_PM_OPS
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
static bool e1000e_pm_ready(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
	return !!adapter->tx_ring->buffer_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
static int __e1000_resume(struct pci_dev *pdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
	struct net_device *netdev = pci_get_drvdata(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
	u32 err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
	if (adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
		return -EBUSY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
	pci_set_power_state(pdev, PCI_D0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
	pci_restore_state(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
	pci_save_state(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
	e1000e_set_interrupt_capability(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
	if (netif_running(netdev)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
		err = e1000_request_irq(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
		if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
			return err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
	e1000e_power_up_phy(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
	/* report the system wakeup cause from S3/S4 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
		u16 phy_data;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
		e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
		if (phy_data) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
			e_info("PHY Wakeup cause - %s\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
				phy_data & E1000_WUS_EX ? "Unicast Packet" :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
				phy_data & E1000_WUS_MC ? "Multicast Packet" :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
				phy_data & E1000_WUS_BC ? "Broadcast Packet" :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
				phy_data & E1000_WUS_MAG ? "Magic Packet" :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
				phy_data & E1000_WUS_LNKC ? "Link Status "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
				" Change" : "other");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
		e1e_wphy(&adapter->hw, BM_WUS, ~0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
		u32 wus = er32(WUS);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
		if (wus) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
			e_info("MAC Wakeup cause - %s\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
				wus & E1000_WUS_EX ? "Unicast Packet" :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
				wus & E1000_WUS_MC ? "Multicast Packet" :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
				wus & E1000_WUS_BC ? "Broadcast Packet" :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
				wus & E1000_WUS_MAG ? "Magic Packet" :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
				wus & E1000_WUS_LNKC ? "Link Status Change" :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
				"other");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
		ew32(WUS, ~0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
	e1000e_reset(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
	e1000_init_manageability_pt(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
	if (netif_running(netdev))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
		e1000e_up(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
	netif_device_attach(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
	 * If the controller has AMT, do not set DRV_LOAD until the interface
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
	 * is up.  For all other cases, let the f/w know that the h/w is now
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
	 * under the control of the driver.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
	if (!(adapter->flags & FLAG_HAS_AMT))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
		e1000_get_hw_control(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
#ifdef CONFIG_PM_SLEEP
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
static int e1000_suspend(struct device *dev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
	struct pci_dev *pdev = to_pci_dev(dev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
	int retval;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
	bool wake;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
	struct net_device *netdev = pci_get_drvdata(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
	if (adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
		return -EBUSY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
	retval = __e1000_shutdown(pdev, &wake, false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
	if (!retval)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
		e1000_complete_shutdown(pdev, true, wake);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
	return retval;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
static int e1000_resume(struct device *dev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
	struct pci_dev *pdev = to_pci_dev(dev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
	struct net_device *netdev = pci_get_drvdata(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
	if (e1000e_pm_ready(adapter))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
		adapter->idle_check = true;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
	return __e1000_resume(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
#endif /* CONFIG_PM_SLEEP */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
#ifdef CONFIG_PM_RUNTIME
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
static int e1000_runtime_suspend(struct device *dev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
	struct pci_dev *pdev = to_pci_dev(dev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
	struct net_device *netdev = pci_get_drvdata(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
	if (e1000e_pm_ready(adapter)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
		bool wake;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
		__e1000_shutdown(pdev, &wake, true);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
static int e1000_idle(struct device *dev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
	struct pci_dev *pdev = to_pci_dev(dev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
	struct net_device *netdev = pci_get_drvdata(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
	if (!e1000e_pm_ready(adapter))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
		return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
	if (adapter->idle_check) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
		adapter->idle_check = false;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
		if (!e1000e_has_link(adapter))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
			pm_schedule_suspend(dev, MSEC_PER_SEC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
	return -EBUSY;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
static int e1000_runtime_resume(struct device *dev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
	struct pci_dev *pdev = to_pci_dev(dev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
	struct net_device *netdev = pci_get_drvdata(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
	if (!e1000e_pm_ready(adapter))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
		return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
	adapter->idle_check = !dev->power.runtime_auto;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
	return __e1000_resume(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
#endif /* CONFIG_PM_RUNTIME */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
#endif /* CONFIG_PM_OPS */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
static void e1000_shutdown(struct pci_dev *pdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
	bool wake = false;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
	struct net_device *netdev = pci_get_drvdata(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
	struct e1000_adapter *adapter = netdev_priv(netdev);
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 2234
diff changeset
  5572
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
	if (adapter->ecdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
	__e1000_shutdown(pdev, &wake, false);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
	if (system_state == SYSTEM_POWER_OFF)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
		e1000_complete_shutdown(pdev, false, wake);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
#ifdef CONFIG_NET_POLL_CONTROLLER
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
 * Polling 'interrupt' - used by things like netconsole to send skbs
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
 * without having to re-enable interrupts. It's not called while
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
 * the interrupt routine is executing.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
static void e1000_netpoll(struct net_device *netdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
	disable_irq(adapter->pdev->irq);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
	e1000_intr(adapter->pdev->irq, netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
	enable_irq(adapter->pdev->irq);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
#endif
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
 * e1000_io_error_detected - called when PCI error is detected
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
 * @pdev: Pointer to PCI device
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
 * @state: The current pci connection state
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
 * This function is called after a PCI bus error affecting
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
 * this device has been detected.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
						pci_channel_state_t state)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
	struct net_device *netdev = pci_get_drvdata(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
	netif_device_detach(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
	if (state == pci_channel_io_perm_failure)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
		return PCI_ERS_RESULT_DISCONNECT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
	if (netif_running(netdev))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
		e1000e_down(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
	pci_disable_device(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
	/* Request a slot slot reset. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
	return PCI_ERS_RESULT_NEED_RESET;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
 * e1000_io_slot_reset - called after the pci bus has been reset.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
 * @pdev: Pointer to PCI device
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
 * Restart the card from scratch, as if from a cold-boot. Implementation
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
 * resembles the first-half of the e1000_resume routine.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5633
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5634
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5635
	struct net_device *netdev = pci_get_drvdata(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5636
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5637
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5638
	int err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5639
	pci_ers_result_t result;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5640
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5641
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5642
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5643
	err = pci_enable_device_mem(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5644
	if (err) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5645
		dev_err(&pdev->dev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5646
			"Cannot re-enable PCI device after reset.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5647
		result = PCI_ERS_RESULT_DISCONNECT;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5648
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5649
		pci_set_master(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5650
		pdev->state_saved = true;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5651
		pci_restore_state(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5652
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5653
		pci_enable_wake(pdev, PCI_D3hot, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5654
		pci_enable_wake(pdev, PCI_D3cold, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5655
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5656
		e1000e_reset(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5657
		ew32(WUS, ~0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5658
		result = PCI_ERS_RESULT_RECOVERED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5659
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5660
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5661
	pci_cleanup_aer_uncorrect_error_status(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5662
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5663
	return result;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5664
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5665
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5666
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5667
 * e1000_io_resume - called when traffic can start flowing again.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5668
 * @pdev: Pointer to PCI device
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5669
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5670
 * This callback is called when the error recovery driver tells us that
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5671
 * its OK to resume normal operation. Implementation resembles the
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5672
 * second-half of the e1000_resume routine.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5673
 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5674
static void e1000_io_resume(struct pci_dev *pdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5675
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5676
	struct net_device *netdev = pci_get_drvdata(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5677
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5678
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5679
	e1000_init_manageability_pt(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5680
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5681
	if (netif_running(netdev)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5682
		if (e1000e_up(adapter)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5683
			dev_err(&pdev->dev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5684
				"can't bring device back up after reset\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5685
			return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5686
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5687
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5688
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5689
	netif_device_attach(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5690
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5691
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5692
	 * If the controller has AMT, do not set DRV_LOAD until the interface
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5693
	 * is up.  For all other cases, let the f/w know that the h/w is now
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5694
	 * under the control of the driver.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5695
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5696
	if (!(adapter->flags & FLAG_HAS_AMT))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5697
		e1000_get_hw_control(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5698
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5699
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5700
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5701
static void e1000_print_device_info(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5702
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5703
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5704
	struct net_device *netdev = adapter->netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5705
	u32 pba_num;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5706
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5707
	/* print bus type/speed/width info */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5708
	e_info("(PCI Express:2.5GB/s:%s) %pM\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5709
	       /* bus width */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5710
	       ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5711
	        "Width x1"),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5712
	       /* MAC address */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5713
	       netdev->dev_addr);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5714
	e_info("Intel(R) PRO/%s Network Connection\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5715
	       (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5716
	e1000e_read_pba_num(hw, &pba_num);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5717
	e_info("MAC: %d, PHY: %d, PBA No: %06x-%03x\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5718
	       hw->mac.type, hw->phy.type, (pba_num >> 8), (pba_num & 0xff));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5719
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5720
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5721
static void e1000_eeprom_checks(struct e1000_adapter *adapter)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5722
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5723
	struct e1000_hw *hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5724
	int ret_val;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5725
	u16 buf = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5726
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5727
	if (hw->mac.type != e1000_82573)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5728
		return;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5729
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5730
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5731
	if (!ret_val && (!(le16_to_cpu(buf) & (1 << 0)))) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5732
		/* Deep Smart Power Down (DSPD) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5733
		dev_warn(&adapter->pdev->dev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5734
			 "Warning: detected DSPD enabled in EEPROM\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5735
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5736
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5737
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5738
static const struct net_device_ops e1000e_netdev_ops = {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5739
	.ndo_open		= e1000_open,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5740
	.ndo_stop		= e1000_close,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5741
	.ndo_start_xmit		= e1000_xmit_frame,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5742
	.ndo_get_stats		= e1000_get_stats,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5743
	.ndo_set_multicast_list	= e1000_set_multi,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5744
	.ndo_set_mac_address	= e1000_set_mac,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5745
	.ndo_change_mtu		= e1000_change_mtu,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5746
	.ndo_do_ioctl		= e1000_ioctl,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5747
	.ndo_tx_timeout		= e1000_tx_timeout,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5748
	.ndo_validate_addr	= eth_validate_addr,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5749
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5750
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5751
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5752
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5753
#ifdef CONFIG_NET_POLL_CONTROLLER
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5754
	.ndo_poll_controller	= e1000_netpoll,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5755
#endif
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5756
};
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5757
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5758
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5759
 * ec_poll - Ethercat poll Routine
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5760
 * @netdev: net device structure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5761
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5762
 * This function can never fail.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5763
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5764
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5765
void ec_poll(struct net_device *netdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5766
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5767
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5768
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5769
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
2499
c350fc89afd7 Fixed link detection in older e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2473
diff changeset
  5770
		struct e1000_hw *hw = &adapter->hw;
c350fc89afd7 Fixed link detection in older e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2473
diff changeset
  5771
		hw->mac.get_link_status = true;
c350fc89afd7 Fixed link detection in older e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2473
diff changeset
  5772
		e1000_watchdog_task(&adapter->watchdog_task);
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5773
		adapter->ec_watchdog_jiffies = jiffies;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5774
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5775
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5776
#ifdef CONFIG_PCI_MSI
2499
c350fc89afd7 Fixed link detection in older e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2473
diff changeset
  5777
	e1000_intr_msi(0, netdev);
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5778
#else
2499
c350fc89afd7 Fixed link detection in older e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2473
diff changeset
  5779
	e1000_intr(0, netdev);
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5780
#endif
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5781
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5782
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5783
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5784
 * e1000_probe - Device Initialization Routine
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5785
 * @pdev: PCI device information struct
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5786
 * @ent: entry in e1000_pci_tbl
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5787
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5788
 * Returns 0 on success, negative on failure
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5789
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5790
 * e1000_probe initializes an adapter identified by a pci_dev structure.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5791
 * The OS initialization, configuring of the adapter private structure,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5792
 * and a hardware reset occur.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5793
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5794
static int __devinit e1000_probe(struct pci_dev *pdev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5795
				 const struct pci_device_id *ent)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5796
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5797
	struct net_device *netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5798
	struct e1000_adapter *adapter;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5799
	struct e1000_hw *hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5800
	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5801
	resource_size_t mmio_start, mmio_len;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5802
	resource_size_t flash_start, flash_len;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5803
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5804
	static int cards_found;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5805
	int i, err, pci_using_dac;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5806
	u16 eeprom_data = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5807
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5808
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5809
	if (ei->flags2 & FLAG2_DISABLE_ASPM_L1)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5810
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5811
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5812
	err = pci_enable_device_mem(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5813
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5814
		return err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5815
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5816
	pci_using_dac = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5817
	err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5818
	if (!err) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5819
		err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5820
		if (!err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5821
			pci_using_dac = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5822
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5823
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5824
		if (err) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5825
			err = dma_set_coherent_mask(&pdev->dev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5826
						    DMA_BIT_MASK(32));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5827
			if (err) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5828
				dev_err(&pdev->dev, "No usable DMA "
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5829
					"configuration, aborting\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5830
				goto err_dma;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5831
			}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5832
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5833
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5834
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5835
	err = pci_request_selected_regions_exclusive(pdev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5836
	                                  pci_select_bars(pdev, IORESOURCE_MEM),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5837
	                                  e1000e_driver_name);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5838
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5839
		goto err_pci_reg;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5840
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5841
	/* AER (Advanced Error Reporting) hooks */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5842
	pci_enable_pcie_error_reporting(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5843
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5844
	pci_set_master(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5845
	/* PCI config space info */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5846
	err = pci_save_state(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5847
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5848
		goto err_alloc_etherdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5849
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5850
	err = -ENOMEM;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5851
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5852
	if (!netdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5853
		goto err_alloc_etherdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5854
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5855
	SET_NETDEV_DEV(netdev, &pdev->dev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5856
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5857
	netdev->irq = pdev->irq;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5858
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5859
	pci_set_drvdata(pdev, netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5860
	adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5861
	hw = &adapter->hw;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5862
	adapter->netdev = netdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5863
	adapter->pdev = pdev;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5864
	adapter->ei = ei;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5865
	adapter->pba = ei->pba;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5866
	adapter->flags = ei->flags;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5867
	adapter->flags2 = ei->flags2;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5868
	adapter->hw.adapter = adapter;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5869
	adapter->hw.mac.type = ei->mac;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5870
	adapter->max_hw_frame_size = ei->max_hw_frame_size;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5871
	adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5872
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5873
	mmio_start = pci_resource_start(pdev, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5874
	mmio_len = pci_resource_len(pdev, 0);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5875
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5876
	err = -EIO;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5877
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5878
	if (!adapter->hw.hw_addr)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5879
		goto err_ioremap;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5880
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5881
	if ((adapter->flags & FLAG_HAS_FLASH) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5882
	    (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5883
		flash_start = pci_resource_start(pdev, 1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5884
		flash_len = pci_resource_len(pdev, 1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5885
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5886
		if (!adapter->hw.flash_address)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5887
			goto err_flashmap;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5888
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5889
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5890
	/* construct the net_device struct */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5891
	netdev->netdev_ops		= &e1000e_netdev_ops;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5892
	e1000e_set_ethtool_ops(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5893
	netdev->watchdog_timeo		= 5 * HZ;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5894
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5895
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5896
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5897
	netdev->mem_start = mmio_start;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5898
	netdev->mem_end = mmio_start + mmio_len;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5899
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5900
	adapter->bd_number = cards_found++;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5901
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5902
	e1000e_check_options(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5903
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5904
	/* setup adapter struct */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5905
	err = e1000_sw_init(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5906
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5907
		goto err_sw_init;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5908
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5909
	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5910
	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5911
	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5912
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5913
	err = ei->get_variants(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5914
	if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5915
		goto err_hw_init;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5916
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5917
	if ((adapter->flags & FLAG_IS_ICH) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5918
	    (adapter->flags & FLAG_READ_ONLY_NVM))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5919
		e1000e_write_protect_nvm_ich8lan(&adapter->hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5920
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5921
	hw->mac.ops.get_bus_info(&adapter->hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5922
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5923
	adapter->hw.phy.autoneg_wait_to_complete = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5924
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5925
	/* Copper options */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5926
	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5927
		adapter->hw.phy.mdix = AUTO_ALL_MODES;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5928
		adapter->hw.phy.disable_polarity_correction = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5929
		adapter->hw.phy.ms_type = e1000_ms_hw_default;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5930
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5931
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5932
	if (e1000_check_reset_block(&adapter->hw))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5933
		e_info("PHY reset is blocked due to SOL/IDER session.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5934
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5935
	netdev->features = NETIF_F_SG |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5936
			   NETIF_F_HW_CSUM |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5937
			   NETIF_F_HW_VLAN_TX |
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5938
			   NETIF_F_HW_VLAN_RX;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5939
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5940
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5941
		netdev->features |= NETIF_F_HW_VLAN_FILTER;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5942
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5943
	netdev->features |= NETIF_F_TSO;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5944
	netdev->features |= NETIF_F_TSO6;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5945
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5946
	netdev->vlan_features |= NETIF_F_TSO;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5947
	netdev->vlan_features |= NETIF_F_TSO6;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5948
	netdev->vlan_features |= NETIF_F_HW_CSUM;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5949
	netdev->vlan_features |= NETIF_F_SG;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5950
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5951
	if (pci_using_dac) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5952
		netdev->features |= NETIF_F_HIGHDMA;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5953
		netdev->vlan_features |= NETIF_F_HIGHDMA;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5954
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5955
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5956
	if (e1000e_enable_mng_pass_thru(&adapter->hw))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5957
		adapter->flags |= FLAG_MNG_PT_ENABLED;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5958
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5959
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5960
	 * before reading the NVM, reset the controller to
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5961
	 * put the device in a known good starting state
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5962
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5963
	adapter->hw.mac.ops.reset_hw(&adapter->hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5964
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5965
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5966
	 * systems with ASPM and others may see the checksum fail on the first
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5967
	 * attempt. Let's give it a few tries
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5968
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5969
	for (i = 0;; i++) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5970
		if (e1000_validate_nvm_checksum(&adapter->hw) >= 0)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5971
			break;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5972
		if (i == 2) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5973
			e_err("The NVM Checksum Is Not Valid\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5974
			err = -EIO;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5975
			goto err_eeprom;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5976
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5977
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5978
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5979
	e1000_eeprom_checks(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5980
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5981
	/* copy the MAC address */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5982
	if (e1000e_read_mac_addr(&adapter->hw))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5983
		e_err("NVM Read Error while reading MAC address\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5984
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5985
	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5986
	memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5987
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5988
	if (!is_valid_ether_addr(netdev->perm_addr)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5989
		e_err("Invalid MAC Address: %pM\n", netdev->perm_addr);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5990
		err = -EIO;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5991
		goto err_eeprom;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5992
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5993
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5994
	init_timer(&adapter->watchdog_timer);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5995
	adapter->watchdog_timer.function = e1000_watchdog;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5996
	adapter->watchdog_timer.data = (unsigned long) adapter;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5997
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5998
	init_timer(&adapter->phy_info_timer);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5999
	adapter->phy_info_timer.function = e1000_update_phy_info;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6000
	adapter->phy_info_timer.data = (unsigned long) adapter;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6001
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6002
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6003
	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6004
	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6005
	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6006
	INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6007
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6008
	/* Initialize link parameters. User can change them with ethtool */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6009
	adapter->hw.mac.autoneg = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6010
	adapter->fc_autoneg = 1;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6011
	adapter->hw.fc.requested_mode = e1000_fc_default;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6012
	adapter->hw.fc.current_mode = e1000_fc_default;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6013
	adapter->hw.phy.autoneg_advertised = 0x2f;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6014
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6015
	/* ring size defaults */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6016
	adapter->rx_ring->count = 256;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6017
	adapter->tx_ring->count = 256;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6018
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6019
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6020
	 * Initial Wake on LAN setting - If APM wake is enabled in
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6021
	 * the EEPROM, enable the ACPI Magic Packet filter
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6022
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6023
	if (adapter->flags & FLAG_APME_IN_WUC) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6024
		/* APME bit in EEPROM is mapped to WUC.APME */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6025
		eeprom_data = er32(WUC);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6026
		eeprom_apme_mask = E1000_WUC_APME;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6027
		if ((hw->mac.type > e1000_ich10lan) &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6028
		    (eeprom_data & E1000_WUC_PHY_WAKE))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6029
			adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6030
	} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6031
		if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6032
		    (adapter->hw.bus.func == 1))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6033
			e1000_read_nvm(&adapter->hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6034
				NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6035
		else
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6036
			e1000_read_nvm(&adapter->hw,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6037
				NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6038
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6039
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6040
	/* fetch WoL from EEPROM */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6041
	if (eeprom_data & eeprom_apme_mask)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6042
		adapter->eeprom_wol |= E1000_WUFC_MAG;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6043
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6044
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6045
	 * now that we have the eeprom settings, apply the special cases
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6046
	 * where the eeprom may be wrong or the board simply won't support
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6047
	 * wake on lan on a particular port
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6048
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6049
	if (!(adapter->flags & FLAG_HAS_WOL))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6050
		adapter->eeprom_wol = 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6051
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6052
	/* initialize the wol settings based on the eeprom settings */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6053
	adapter->wol = adapter->eeprom_wol;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6054
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6055
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6056
	/* save off EEPROM version number */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6057
	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6058
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6059
	/* reset the hardware with the new settings */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6060
	e1000e_reset(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6061
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6062
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6063
	 * If the controller has AMT, do not set DRV_LOAD until the interface
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6064
	 * is up.  For all other cases, let the f/w know that the h/w is now
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6065
	 * under the control of the driver.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6066
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6067
	if (!(adapter->flags & FLAG_HAS_AMT))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6068
		e1000_get_hw_control(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6069
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6070
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6071
	if (adapter->ecdev) {
2499
c350fc89afd7 Fixed link detection in older e1000e drivers.
Florian Pose <fp@igh-essen.com>
parents: 2473
diff changeset
  6072
		adapter->ec_watchdog_jiffies = jiffies;
2219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6073
		if (ecdev_open(adapter->ecdev)) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6074
			ecdev_withdraw(adapter->ecdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6075
			goto err_register;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6076
		}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6077
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6078
		strcpy(netdev->name, "eth%d");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6079
		err = register_netdev(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6080
		if (err)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6081
			goto err_register;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6082
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6083
		/* carrier off reporting is important to ethtool even BEFORE open */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6084
		netif_carrier_off(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6085
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6086
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6087
	e1000_print_device_info(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6088
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6089
	if (pci_dev_run_wake(pdev))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6090
		pm_runtime_put_noidle(&pdev->dev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6091
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6092
	return 0;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6093
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6094
err_register:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6095
	if (!(adapter->flags & FLAG_HAS_AMT))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6096
		e1000_release_hw_control(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6097
err_eeprom:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6098
	if (!e1000_check_reset_block(&adapter->hw))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6099
		e1000_phy_hw_reset(&adapter->hw);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6100
err_hw_init:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6101
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6102
	kfree(adapter->tx_ring);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6103
	kfree(adapter->rx_ring);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6104
err_sw_init:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6105
	if (adapter->hw.flash_address)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6106
		iounmap(adapter->hw.flash_address);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6107
	e1000e_reset_interrupt_capability(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6108
err_flashmap:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6109
	iounmap(adapter->hw.hw_addr);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6110
err_ioremap:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6111
	free_netdev(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6112
err_alloc_etherdev:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6113
	pci_release_selected_regions(pdev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6114
	                             pci_select_bars(pdev, IORESOURCE_MEM));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6115
err_pci_reg:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6116
err_dma:
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6117
	pci_disable_device(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6118
	return err;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6119
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6120
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6121
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6122
 * e1000_remove - Device Removal Routine
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6123
 * @pdev: PCI device information struct
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6124
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6125
 * e1000_remove is called by the PCI subsystem to alert the driver
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6126
 * that it should release a PCI device.  The could be caused by a
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6127
 * Hot-Plug event, or because the driver is going to be removed from
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6128
 * memory.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6129
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6130
static void __devexit e1000_remove(struct pci_dev *pdev)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6131
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6132
	struct net_device *netdev = pci_get_drvdata(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6133
	struct e1000_adapter *adapter = netdev_priv(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6134
	bool down = test_bit(__E1000_DOWN, &adapter->state);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6135
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6136
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6137
	 * flush_scheduled work may reschedule our watchdog task, so
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6138
	 * explicitly disable watchdog tasks from being rescheduled
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6139
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6140
	if (!down)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6141
		set_bit(__E1000_DOWN, &adapter->state);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6142
	del_timer_sync(&adapter->watchdog_timer);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6143
	del_timer_sync(&adapter->phy_info_timer);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6144
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6145
	cancel_work_sync(&adapter->reset_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6146
	cancel_work_sync(&adapter->watchdog_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6147
	cancel_work_sync(&adapter->downshift_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6148
	cancel_work_sync(&adapter->update_phy_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6149
	cancel_work_sync(&adapter->print_hang_task);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6150
	flush_scheduled_work();
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6151
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6152
	if (!(netdev->flags & IFF_UP))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6153
		e1000_power_down_phy(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6154
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6155
	/* Don't lie to e1000_close() down the road. */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6156
	if (!down)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6157
		clear_bit(__E1000_DOWN, &adapter->state);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6158
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6159
	if (adapter->ecdev) {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6160
		ecdev_close(adapter->ecdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6161
		ecdev_withdraw(adapter->ecdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6162
	} else {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6163
		unregister_netdev(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6164
	}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6165
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6166
	if (pci_dev_run_wake(pdev))
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6167
		pm_runtime_get_noresume(&pdev->dev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6168
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6169
	/*
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6170
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6171
	 * would have already happened in close and is redundant.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6172
	 */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6173
	e1000_release_hw_control(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6174
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6175
	e1000e_reset_interrupt_capability(adapter);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6176
	kfree(adapter->tx_ring);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6177
	kfree(adapter->rx_ring);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6178
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6179
	iounmap(adapter->hw.hw_addr);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6180
	if (adapter->hw.flash_address)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6181
		iounmap(adapter->hw.flash_address);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6182
	pci_release_selected_regions(pdev,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6183
	                             pci_select_bars(pdev, IORESOURCE_MEM));
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6184
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6185
	free_netdev(netdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6186
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6187
	/* AER disable */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6188
	pci_disable_pcie_error_reporting(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6189
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6190
	pci_disable_device(pdev);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6191
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6192
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6193
/* PCI Error Recovery (ERS) */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6194
static struct pci_error_handlers e1000_err_handler = {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6195
	.error_detected = e1000_io_error_detected,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6196
	.slot_reset = e1000_io_slot_reset,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6197
	.resume = e1000_io_resume,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6198
};
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6199
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6200
static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6201
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6202
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6203
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6204
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP), board_82571 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6205
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6206
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6207
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6208
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6209
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6210
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6211
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6212
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6213
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6214
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6215
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6216
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6217
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6218
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6219
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6220
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6221
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6222
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6223
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6224
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6225
	  board_80003es2lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6226
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6227
	  board_80003es2lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6228
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_DPT),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6229
	  board_80003es2lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6230
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6231
	  board_80003es2lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6232
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6233
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6234
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6235
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6236
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_AMT), board_ich8lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6237
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6238
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6239
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6240
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6241
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6242
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6243
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6244
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6245
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6246
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6247
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6248
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6249
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6250
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6251
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6252
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LM), board_ich9lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6253
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6254
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6255
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6256
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6257
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6258
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_V), board_ich10lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6259
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6260
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6261
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6262
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6263
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6264
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6265
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_LM), board_pch2lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6266
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_V), board_pch2lan },
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6267
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6268
	{ }	/* terminate list */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6269
};
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6270
//MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6271
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6272
#ifdef CONFIG_PM_OPS
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6273
static const struct dev_pm_ops e1000_pm_ops = {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6274
	SET_SYSTEM_SLEEP_PM_OPS(e1000_suspend, e1000_resume)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6275
	SET_RUNTIME_PM_OPS(e1000_runtime_suspend,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6276
				e1000_runtime_resume, e1000_idle)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6277
};
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6278
#endif
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6279
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6280
/* PCI Device API Driver */
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6281
static struct pci_driver e1000_driver = {
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6282
	.name     = e1000e_driver_name,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6283
	.id_table = e1000_pci_tbl,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6284
	.probe    = e1000_probe,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6285
	.remove   = __devexit_p(e1000_remove),
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6286
#ifdef CONFIG_PM_OPS
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6287
	.driver.pm = &e1000_pm_ops,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6288
#endif
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6289
	.shutdown = e1000_shutdown,
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6290
	.err_handler = &e1000_err_handler
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6291
};
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6292
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6293
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6294
 * e1000_init_module - Driver Registration Routine
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6295
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6296
 * e1000_init_module is the first routine called when the driver is
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6297
 * loaded. All it does is register with the PCI subsystem.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6298
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6299
static int __init e1000_init_module(void)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6300
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6301
	int ret;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6302
	pr_info("EtherCAT-capable Intel(R) PRO/1000 Network Driver - %s\n",
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6303
		e1000e_driver_version);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6304
	pr_info("Copyright (c) 1999 - 2010 Intel Corporation.\n");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6305
	ret = pci_register_driver(&e1000_driver);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6306
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6307
	return ret;
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6308
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6309
module_init(e1000_init_module);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6310
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6311
/**
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6312
 * e1000_exit_module - Driver Exit Cleanup Routine
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6313
 *
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6314
 * e1000_exit_module is called just before the driver is removed
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6315
 * from memory.
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6316
 **/
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6317
static void __exit e1000_exit_module(void)
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6318
{
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6319
	pci_unregister_driver(&e1000_driver);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6320
}
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6321
module_exit(e1000_exit_module);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6322
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6323
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6324
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6325
MODULE_DESCRIPTION("Ethercat-capable Intel(R) PRO/1000 Network Driver");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6326
MODULE_LICENSE("GPL");
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6327
MODULE_VERSION(DRV_VERSION);
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6328
d52848f0be04 Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6329
/* e1000_main.c */