devices/e1000e/netdev-2.6.37-ethercat.c
author Andreas Stewering-Bone <ab@igh-essen.com>
Thu, 03 Mar 2011 09:05:40 +0100
branchredundancy
changeset 2316 93443c3be91c
parent 2135 f99b2249704c
child 2234 18f9c69d9590
permissions -rw-r--r--
Add drivers for kernel 2.6.33
Thanks to
Dipl.-Inform. J?rgen Kunz
Technische Universit?t Darmstadt
for e100, e1000, r8169 driver
2135
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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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*******************************************************************************/
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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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	{E1000_TDFH, "TDFH"},
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parents:
diff changeset
   130
	{E1000_TDFT, "TDFT"},
f99b2249704c Added e1000e driver for 2.6.37.
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parents:
diff changeset
   131
	{E1000_TDFHS, "TDFHS"},
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parents:
diff changeset
   132
	{E1000_TDFTS, "TDFTS"},
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parents:
diff changeset
   133
	{E1000_TDFPC, "TDFPC"},
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parents:
diff changeset
   134
f99b2249704c Added e1000e driver for 2.6.37.
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parents:
diff changeset
   135
	/* List Terminator */
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parents:
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   136
	{}
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parents:
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   137
};
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parents:
diff changeset
   138
f99b2249704c Added e1000e driver for 2.6.37.
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parents:
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   139
/*
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   140
 * e1000_regdump - register printout routine
f99b2249704c 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
static void e1000_regdump(struct e1000_hw *hw, struct e1000_reg_info *reginfo)
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   143
{
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parents:
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   144
	int n = 0;
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   145
	char rname[16];
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parents:
diff changeset
   146
	u32 regs[8];
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parents:
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   147
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parents:
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   148
	switch (reginfo->ofs) {
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parents:
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   149
	case E1000_RXDCTL(0):
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   150
		for (n = 0; n < 2; n++)
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parents:
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   151
			regs[n] = __er32(hw, E1000_RXDCTL(n));
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   152
		break;
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parents:
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   153
	case E1000_TXDCTL(0):
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   154
		for (n = 0; n < 2; n++)
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diff changeset
   155
			regs[n] = __er32(hw, E1000_TXDCTL(n));
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   156
		break;
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parents:
diff changeset
   157
	case E1000_TARC(0):
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   158
		for (n = 0; n < 2; n++)
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diff changeset
   159
			regs[n] = __er32(hw, E1000_TARC(n));
f99b2249704c Added e1000e driver for 2.6.37.
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parents:
diff changeset
   160
		break;
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parents:
diff changeset
   161
	default:
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parents:
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   162
		printk(KERN_INFO "%-15s %08x\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   163
			reginfo->name, __er32(hw, reginfo->ofs));
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parents:
diff changeset
   164
		return;
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parents:
diff changeset
   165
	}
f99b2249704c Added e1000e driver for 2.6.37.
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parents:
diff changeset
   166
f99b2249704c Added e1000e driver for 2.6.37.
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parents:
diff changeset
   167
	snprintf(rname, 16, "%s%s", reginfo->name, "[0-1]");
f99b2249704c Added e1000e driver for 2.6.37.
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parents:
diff changeset
   168
	printk(KERN_INFO "%-15s ", rname);
f99b2249704c Added e1000e driver for 2.6.37.
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parents:
diff changeset
   169
	for (n = 0; n < 2; n++)
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parents:
diff changeset
   170
		printk(KERN_CONT "%08x ", regs[n]);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   171
	printk(KERN_CONT "\n");
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parents:
diff changeset
   172
}
f99b2249704c Added e1000e driver for 2.6.37.
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parents:
diff changeset
   173
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   174
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   175
/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   176
 * e1000e_dump - Print registers, tx-ring and rx-ring
f99b2249704c Added e1000e driver for 2.6.37.
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parents:
diff changeset
   177
 */
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Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   178
static void e1000e_dump(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   179
{
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parents:
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   180
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   181
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   182
	struct e1000_reg_info *reginfo;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   183
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   184
	struct e1000_tx_desc *tx_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   185
	struct my_u0 { u64 a; u64 b; } *u0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
	struct e1000_buffer *buffer_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
	struct e1000_ring *rx_ring = adapter->rx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
	union e1000_rx_desc_packet_split *rx_desc_ps;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
	struct e1000_rx_desc *rx_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
	struct my_u1 { u64 a; u64 b; u64 c; u64 d; } *u1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
	u32 staterr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
	int i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
	if (!netif_msg_hw(adapter))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
	/* Print netdevice Info */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
	if (netdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
		dev_info(&adapter->pdev->dev, "Net device Info\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
		printk(KERN_INFO "Device Name     state            "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
			"trans_start      last_rx\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
		printk(KERN_INFO "%-15s %016lX %016lX %016lX\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
			netdev->name,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
			netdev->state,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
			netdev->trans_start,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
			netdev->last_rx);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
	/* Print Registers */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
	dev_info(&adapter->pdev->dev, "Register Dump\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
	printk(KERN_INFO " Register Name   Value\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
	for (reginfo = (struct e1000_reg_info *)e1000_reg_info_tbl;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
	     reginfo->name; reginfo++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
		e1000_regdump(hw, reginfo);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
	/* Print TX Ring Summary */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
	if (!netdev || !netif_running(netdev))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
		goto exit;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
	dev_info(&adapter->pdev->dev, "TX Rings Summary\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
	printk(KERN_INFO "Queue [NTU] [NTC] [bi(ntc)->dma  ]"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
		" leng ntw timestamp\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
	buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
	printk(KERN_INFO " %5d %5X %5X %016llX %04X %3X %016llX\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
		0, tx_ring->next_to_use, tx_ring->next_to_clean,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
		(unsigned long long)buffer_info->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
		buffer_info->length,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
		buffer_info->next_to_watch,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
		(unsigned long long)buffer_info->time_stamp);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
	/* Print TX Rings */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
	if (!netif_msg_tx_done(adapter))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
		goto rx_ring_summary;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
	dev_info(&adapter->pdev->dev, "TX Rings Dump\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   238
	/* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
	 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   240
	 * Legacy Transmit Descriptor
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
	 *   +--------------------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   242
	 * 0 |         Buffer Address [63:0] (Reserved on Write Back)       |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
	 *   +--------------------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   244
	 * 8 | Special  |    CSS     | Status |  CMD    |  CSO   |  Length  |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
	 *   +--------------------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
	 *   63       48 47        36 35    32 31     24 23    16 15        0
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
	 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   248
	 * Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
	 *   63      48 47    40 39       32 31             16 15    8 7      0
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
	 *   +----------------------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
	 * 0 |  TUCSE  | TUCS0  |   TUCSS   |     IPCSE       | IPCS0 | IPCSS |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   252
	 *   +----------------------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
	 * 8 |   MSS   | HDRLEN | RSV | STA | TUCMD | DTYP |      PAYLEN      |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
	 *   +----------------------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
	 *   63      48 47    40 39 36 35 32 31   24 23  20 19                0
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
	 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
	 * Extended Data Descriptor (DTYP=0x1)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
	 *   +----------------------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
	 * 0 |                     Buffer Address [63:0]                      |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
	 *   +----------------------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
	 * 8 | VLAN tag |  POPTS  | Rsvd | Status | Command | DTYP |  DTALEN  |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	 *   +----------------------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
	 *   63       48 47     40 39  36 35    32 31     24 23  20 19        0
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
	printk(KERN_INFO "Tl[desc]     [address 63:0  ] [SpeCssSCmCsLen]"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
		" [bi->dma       ] leng  ntw timestamp        bi->skb "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
		"<-- Legacy format\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
	printk(KERN_INFO "Tc[desc]     [Ce CoCsIpceCoS] [MssHlRSCm0Plen]"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
		" [bi->dma       ] leng  ntw timestamp        bi->skb "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
		"<-- Ext Context format\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
	printk(KERN_INFO "Td[desc]     [address 63:0  ] [VlaPoRSCm1Dlen]"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
		" [bi->dma       ] leng  ntw timestamp        bi->skb "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
		"<-- Ext Data format\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
	for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
		tx_desc = E1000_TX_DESC(*tx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
		buffer_info = &tx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
		u0 = (struct my_u0 *)tx_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
		printk(KERN_INFO "T%c[0x%03X]    %016llX %016llX %016llX "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
			"%04X  %3X %016llX %p",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
		       (!(le64_to_cpu(u0->b) & (1<<29)) ? 'l' :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
			((le64_to_cpu(u0->b) & (1<<20)) ? 'd' : 'c')), i,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
		       (unsigned long long)le64_to_cpu(u0->a),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
		       (unsigned long long)le64_to_cpu(u0->b),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
		       (unsigned long long)buffer_info->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
		       buffer_info->length, buffer_info->next_to_watch,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
		       (unsigned long long)buffer_info->time_stamp,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
		       buffer_info->skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
		if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
			printk(KERN_CONT " NTC/U\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
		else if (i == tx_ring->next_to_use)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
			printk(KERN_CONT " NTU\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
		else if (i == tx_ring->next_to_clean)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
			printk(KERN_CONT " NTC\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
		else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
			printk(KERN_CONT "\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
		if (netif_msg_pktdata(adapter) && buffer_info->dma != 0)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
			print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
					16, 1, phys_to_virt(buffer_info->dma),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
					buffer_info->length, true);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
	/* Print RX Rings Summary */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
rx_ring_summary:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
	dev_info(&adapter->pdev->dev, "RX Rings Summary\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
	printk(KERN_INFO "Queue [NTU] [NTC]\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
	printk(KERN_INFO " %5d %5X %5X\n", 0,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
		rx_ring->next_to_use, rx_ring->next_to_clean);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
	/* Print RX Rings */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
	if (!netif_msg_rx_status(adapter))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
		goto exit;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
	dev_info(&adapter->pdev->dev, "RX Rings Dump\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
	switch (adapter->rx_ps_pages) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
	case 1:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
	case 2:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
	case 3:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
		/* [Extended] Packet Split Receive Descriptor Format
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
		 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
		 *    +-----------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
		 *  0 |                Buffer Address 0 [63:0]              |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
		 *    +-----------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
		 *  8 |                Buffer Address 1 [63:0]              |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
		 *    +-----------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
		 * 16 |                Buffer Address 2 [63:0]              |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
		 *    +-----------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
		 * 24 |                Buffer Address 3 [63:0]              |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
		 *    +-----------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		printk(KERN_INFO "R  [desc]      [buffer 0 63:0 ] "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
			"[buffer 1 63:0 ] "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
		       "[buffer 2 63:0 ] [buffer 3 63:0 ] [bi->dma       ] "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
		       "[bi->skb] <-- Ext Pkt Split format\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
		/* [Extended] Receive Descriptor (Write-Back) Format
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
		 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
		 *   63       48 47    32 31     13 12    8 7    4 3        0
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
		 *   +------------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
		 * 0 | Packet   | IP     |  Rsvd   | MRQ   | Rsvd | MRQ RSS |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		 *   | Checksum | Ident  |         | Queue |      |  Type   |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		 *   +------------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
		 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
		 *   +------------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		 *   63       48 47    32 31            20 19               0
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
		printk(KERN_INFO "RWB[desc]      [ck ipid mrqhsh] "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
			"[vl   l0 ee  es] "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
		       "[ l3  l2  l1 hs] [reserved      ] ---------------- "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
		       "[bi->skb] <-- Ext Rx Write-Back format\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
		for (i = 0; i < rx_ring->count; i++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
			buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
			rx_desc_ps = E1000_RX_DESC_PS(*rx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
			u1 = (struct my_u1 *)rx_desc_ps;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
			staterr =
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
				le32_to_cpu(rx_desc_ps->wb.middle.status_error);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
			if (staterr & E1000_RXD_STAT_DD) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
				/* Descriptor Done */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
				printk(KERN_INFO "RWB[0x%03X]     %016llX "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
					"%016llX %016llX %016llX "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
					"---------------- %p", i,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
					(unsigned long long)le64_to_cpu(u1->a),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
					(unsigned long long)le64_to_cpu(u1->b),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
					(unsigned long long)le64_to_cpu(u1->c),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
					(unsigned long long)le64_to_cpu(u1->d),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
					buffer_info->skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
			} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
				printk(KERN_INFO "R  [0x%03X]     %016llX "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
					"%016llX %016llX %016llX %016llX %p", i,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
					(unsigned long long)le64_to_cpu(u1->a),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
					(unsigned long long)le64_to_cpu(u1->b),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
					(unsigned long long)le64_to_cpu(u1->c),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
					(unsigned long long)le64_to_cpu(u1->d),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
					(unsigned long long)buffer_info->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
					buffer_info->skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
				if (netif_msg_pktdata(adapter))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
					print_hex_dump(KERN_INFO, "",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
						DUMP_PREFIX_ADDRESS, 16, 1,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
						phys_to_virt(buffer_info->dma),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
						adapter->rx_ps_bsize0, true);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
			if (i == rx_ring->next_to_use)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
				printk(KERN_CONT " NTU\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
			else if (i == rx_ring->next_to_clean)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
				printk(KERN_CONT " NTC\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
			else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
				printk(KERN_CONT "\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
	default:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
	case 0:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
		/* Legacy Receive Descriptor Format
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
		 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
		 * +-----------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
		 * |                Buffer Address [63:0]                |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
		 * +-----------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		 * | VLAN Tag | Errors | Status 0 | Packet csum | Length |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
		 * +-----------------------------------------------------+
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
		 * 63       48 47    40 39      32 31         16 15      0
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
		printk(KERN_INFO "Rl[desc]     [address 63:0  ] "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
			"[vl er S cks ln] [bi->dma       ] [bi->skb] "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
			"<-- Legacy format\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
		for (i = 0; rx_ring->desc && (i < rx_ring->count); i++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
			rx_desc = E1000_RX_DESC(*rx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
			buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
			u0 = (struct my_u0 *)rx_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
			printk(KERN_INFO "Rl[0x%03X]    %016llX %016llX "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
				"%016llX %p", i,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
				(unsigned long long)le64_to_cpu(u0->a),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
				(unsigned long long)le64_to_cpu(u0->b),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
				(unsigned long long)buffer_info->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
				buffer_info->skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
			if (i == rx_ring->next_to_use)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
				printk(KERN_CONT " NTU\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
			else if (i == rx_ring->next_to_clean)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
				printk(KERN_CONT " NTC\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
			else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
				printk(KERN_CONT "\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
			if (netif_msg_pktdata(adapter))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
				print_hex_dump(KERN_INFO, "",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
					DUMP_PREFIX_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
					16, 1, phys_to_virt(buffer_info->dma),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
					adapter->rx_buffer_len, true);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
exit:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
	return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
 * e1000_desc_unused - calculate if we have unused descriptors
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
static int e1000_desc_unused(struct e1000_ring *ring)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
	if (ring->next_to_clean > ring->next_to_use)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
		return ring->next_to_clean - ring->next_to_use - 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
 * e1000_receive_skb - helper function to handle Rx indications
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
 * @status: descriptor status field as written by hardware
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
 * @skb: pointer to sk_buff to be indicated to stack
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
static void e1000_receive_skb(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
			      struct net_device *netdev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
			      struct sk_buff *skb,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
			      u8 status, __le16 vlan)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
	skb->protocol = eth_type_trans(skb, netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
	if (adapter->vlgrp && (status & E1000_RXD_STAT_VP))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
		vlan_gro_receive(&adapter->napi, adapter->vlgrp,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
				 le16_to_cpu(vlan), skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
		napi_gro_receive(&adapter->napi, skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
 * e1000_rx_checksum - Receive Checksum Offload for 82543
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
 * @adapter:     board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
 * @status_err:  receive descriptor status and error fields
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
 * @csum:	receive descriptor csum field
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
 * @sk_buff:     socket buffer with received data
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
			      u32 csum, struct sk_buff *skb)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
	u16 status = (u16)status_err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
	u8 errors = (u8)(status_err >> 24);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
	skb_checksum_none_assert(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	/* Ignore Checksum bit is set */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
	if (status & E1000_RXD_STAT_IXSM)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
	/* TCP/UDP checksum error bit is set */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
	if (errors & E1000_RXD_ERR_TCPE) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
		/* let the stack verify checksum errors */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
		adapter->hw_csum_err++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
	/* TCP/UDP Checksum has not been calculated */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
	if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
	/* It must be a TCP or UDP packet with a valid checksum */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
	if (status & E1000_RXD_STAT_TCPCS) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
		/* TCP checksum is good */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
		skb->ip_summed = CHECKSUM_UNNECESSARY;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
		 * IP fragment with UDP payload
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
		 * Hardware complements the payload checksum, so we undo it
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
		 * and then put the value in host order for further stack use.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
		__sum16 sum = (__force __sum16)htons(csum);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
		skb->csum = csum_unfold(~sum);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
		skb->ip_summed = CHECKSUM_COMPLETE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
	adapter->hw_csum_good++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
 * e1000_alloc_rx_buffers - Replace used receive buffers; legacy & extended
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
 * @adapter: address of board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
				   int cleaned_count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
	struct e1000_ring *rx_ring = adapter->rx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	struct e1000_rx_desc *rx_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	struct e1000_buffer *buffer_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
	struct sk_buff *skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
	unsigned int i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
	unsigned int bufsz = adapter->rx_buffer_len;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
	i = rx_ring->next_to_use;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
	while (cleaned_count--) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
		skb = buffer_info->skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
		if (skb) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
			skb_trim(skb, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
			goto map_skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
		if (!skb) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
			/* Better luck next round */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
			adapter->alloc_rx_buff_failed++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
		buffer_info->skb = skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
map_skb:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
						  adapter->rx_buffer_len,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
						  DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
			dev_err(&pdev->dev, "RX DMA map failed\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
			adapter->rx_dma_failed++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
		rx_desc = E1000_RX_DESC(*rx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
			/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
			 * Force memory writes to complete before letting h/w
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
			 * know there are new descriptors to fetch.  (Only
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
			 * applicable for weak-ordered memory model archs,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
			 * such as IA-64).
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
			 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
			wmb();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
			writel(i, adapter->hw.hw_addr + rx_ring->tail);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
		i++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
		if (i == rx_ring->count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
			i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
		buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	rx_ring->next_to_use = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
 * @adapter: address of board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
				      int cleaned_count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
	union e1000_rx_desc_packet_split *rx_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
	struct e1000_ring *rx_ring = adapter->rx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
	struct e1000_buffer *buffer_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
	struct e1000_ps_page *ps_page;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	struct sk_buff *skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
	unsigned int i, j;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
	i = rx_ring->next_to_use;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
	buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	while (cleaned_count--) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
			ps_page = &buffer_info->ps_pages[j];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
			if (j >= adapter->rx_ps_pages) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
				/* all unused desc entries get hw null ptr */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
				rx_desc->read.buffer_addr[j+1] = ~cpu_to_le64(0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
				continue;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
			if (!ps_page->page) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
				ps_page->page = netdev_alloc_page(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
				if (!ps_page->page) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
					adapter->alloc_rx_buff_failed++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
					goto no_buffers;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
				}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
				ps_page->dma = dma_map_page(&pdev->dev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
							    ps_page->page,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
							    0, PAGE_SIZE,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
							    DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
				if (dma_mapping_error(&pdev->dev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
						      ps_page->dma)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
					dev_err(&adapter->pdev->dev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
					  "RX DMA page map failed\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
					adapter->rx_dma_failed++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
					goto no_buffers;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
				}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
			/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
			 * Refresh the desc even if buffer_addrs
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
			 * didn't change because each write-back
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
			 * erases this info.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
			 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
			rx_desc->read.buffer_addr[j+1] =
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
			     cpu_to_le64(ps_page->dma);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		skb = netdev_alloc_skb_ip_align(netdev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
						adapter->rx_ps_bsize0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
		if (!skb) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
			adapter->alloc_rx_buff_failed++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
		buffer_info->skb = skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
						  adapter->rx_ps_bsize0,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
						  DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
			dev_err(&pdev->dev, "RX DMA map failed\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
			adapter->rx_dma_failed++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
			/* cleanup skb */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
			dev_kfree_skb_any(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
			buffer_info->skb = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
			/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
			 * Force memory writes to complete before letting h/w
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
			 * know there are new descriptors to fetch.  (Only
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
			 * applicable for weak-ordered memory model archs,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
			 * such as IA-64).
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
			 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
			wmb();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
			writel(i<<1, adapter->hw.hw_addr + rx_ring->tail);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		i++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
		if (i == rx_ring->count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
			i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
		buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
no_buffers:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
	rx_ring->next_to_use = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
 * @adapter: address of board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
 * @cleaned_count: number of buffers to allocate this pass
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
                                         int cleaned_count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	struct e1000_rx_desc *rx_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
	struct e1000_ring *rx_ring = adapter->rx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
	struct e1000_buffer *buffer_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	struct sk_buff *skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	unsigned int i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
	unsigned int bufsz = 256 - 16 /* for skb_reserve */;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
	i = rx_ring->next_to_use;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
	buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
	while (cleaned_count--) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
		skb = buffer_info->skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
		if (skb) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
			skb_trim(skb, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
			goto check_page;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
		skb = netdev_alloc_skb_ip_align(netdev, bufsz);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
		if (unlikely(!skb)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
			/* Better luck next round */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
			adapter->alloc_rx_buff_failed++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
		buffer_info->skb = skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
check_page:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
		/* allocate a new page if necessary */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
		if (!buffer_info->page) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
			buffer_info->page = alloc_page(GFP_ATOMIC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
			if (unlikely(!buffer_info->page)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
				adapter->alloc_rx_buff_failed++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
				break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
		if (!buffer_info->dma)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
			buffer_info->dma = dma_map_page(&pdev->dev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
			                                buffer_info->page, 0,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
			                                PAGE_SIZE,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
							DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
		rx_desc = E1000_RX_DESC(*rx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
		rx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		if (unlikely(++i == rx_ring->count))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
			i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
		buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
	if (likely(rx_ring->next_to_use != i)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
		rx_ring->next_to_use = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		if (unlikely(i-- == 0))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
			i = (rx_ring->count - 1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
		/* Force memory writes to complete before letting h/w
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
		 * know there are new descriptors to fetch.  (Only
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
		 * applicable for weak-ordered memory model archs,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		 * such as IA-64). */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
		wmb();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
		writel(i, adapter->hw.hw_addr + rx_ring->tail);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
 * the return value indicates whether actual cleaning was done, there
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
 * is no guarantee that everything was cleaned
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
			       int *work_done, int work_to_do)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
	struct e1000_ring *rx_ring = adapter->rx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
	struct e1000_rx_desc *rx_desc, *next_rxd;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
	struct e1000_buffer *buffer_info, *next_buffer;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
	u32 length;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
	unsigned int i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
	int cleaned_count = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
	bool cleaned = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
	i = rx_ring->next_to_clean;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
	rx_desc = E1000_RX_DESC(*rx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
	while (rx_desc->status & E1000_RXD_STAT_DD) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
		struct sk_buff *skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
		u8 status;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
		if (*work_done >= work_to_do)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
		(*work_done)++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
		rmb();	/* read descriptor and rx_buffer_info after status DD */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
		status = rx_desc->status;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
		skb = buffer_info->skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
		if (!adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
			buffer_info->skb = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
		prefetch(skb->data - NET_IP_ALIGN);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
		i++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
		if (i == rx_ring->count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
			i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
		next_rxd = E1000_RX_DESC(*rx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
		prefetch(next_rxd);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
		next_buffer = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
		cleaned = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
		cleaned_count++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
		dma_unmap_single(&pdev->dev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
				 buffer_info->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
				 adapter->rx_buffer_len,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
				 DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
		buffer_info->dma = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
		length = le16_to_cpu(rx_desc->length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
		 * !EOP means multiple descriptors were used to store a single
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
		 * packet, if that's the case we need to toss it.  In fact, we
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
		 * need to toss every packet with the EOP bit clear and the
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		 * next frame that _does_ have the EOP bit set, as it is by
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
		 * definition only a frame fragment
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
		if (unlikely(!(status & E1000_RXD_STAT_EOP)))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
			adapter->flags2 |= FLAG2_IS_DISCARDING;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
			/* All receives must fit into a single buffer */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
			e_dbg("Receive packet consumed multiple buffers\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
			/* recycle */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
			buffer_info->skb = skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
			if (status & E1000_RXD_STAT_EOP)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
			goto next_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
		if (!adapter->ecdev && (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
			/* recycle */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
			buffer_info->skb = skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
			goto next_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
		/* adjust length to remove Ethernet CRC */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
			length -= 4;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
		total_rx_bytes += length;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
		total_rx_packets++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
		 * code added for copybreak, this should improve
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
		 * performance for small packets with large amounts
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
		 * of reassembly being done in the stack
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
		if (!adapter->ecdev && length < copybreak) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
			struct sk_buff *new_skb =
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
			    netdev_alloc_skb_ip_align(netdev, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
			if (new_skb) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
				skb_copy_to_linear_data_offset(new_skb,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
							       -NET_IP_ALIGN,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
							       (skb->data -
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
								NET_IP_ALIGN),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
							       (length +
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
								NET_IP_ALIGN));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
				/* save the skb in buffer_info as good */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
				buffer_info->skb = skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
				skb = new_skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
			/* else just continue with the old one */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
		/* end copybreak code */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
		skb_put(skb, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
		/* Receive Checksum Offload */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
		e1000_rx_checksum(adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
				  (u32)(status) |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
				  ((u32)(rx_desc->errors) << 24),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
				  le16_to_cpu(rx_desc->csum), skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
		if (adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
			ecdev_receive(adapter->ecdev, skb->data, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
			adapter->ec_watchdog_jiffies = jiffies;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
		} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
			e1000_receive_skb(adapter, netdev, skb,status,rx_desc->special);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
next_desc:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
		rx_desc->status = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
		/* return some buffers to hardware, one at a time is too slow */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
			adapter->alloc_rx_buf(adapter, cleaned_count);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
			cleaned_count = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		/* use prefetched values */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
		rx_desc = next_rxd;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		buffer_info = next_buffer;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
	rx_ring->next_to_clean = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
	cleaned_count = e1000_desc_unused(rx_ring);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
	if (cleaned_count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
		adapter->alloc_rx_buf(adapter, cleaned_count);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
	adapter->total_rx_bytes += total_rx_bytes;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
	adapter->total_rx_packets += total_rx_packets;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
	netdev->stats.rx_bytes += total_rx_bytes;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
	netdev->stats.rx_packets += total_rx_packets;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
	return cleaned;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
static void e1000_put_txbuf(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
			     struct e1000_buffer *buffer_info)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
	if (adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
	if (buffer_info->dma) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
		if (buffer_info->mapped_as_page)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
				       buffer_info->length, DMA_TO_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
		else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
					 buffer_info->length, DMA_TO_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
		buffer_info->dma = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
	if (buffer_info->skb) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
		dev_kfree_skb_any(buffer_info->skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
		buffer_info->skb = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
	buffer_info->time_stamp = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
static void e1000_print_hw_hang(struct work_struct *work)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
	struct e1000_adapter *adapter = container_of(work,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
	                                             struct e1000_adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
	                                             print_hang_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
	unsigned int i = tx_ring->next_to_clean;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
	struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
	u16 phy_status, phy_1000t_status, phy_ext_status;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
	u16 pci_status;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
	e1e_rphy(hw, PHY_STATUS, &phy_status);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
	e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
	e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
	pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
	/* detected Hardware unit hang */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
	e_err("Detected Hardware Unit Hang:\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
	      "  TDH                  <%x>\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
	      "  TDT                  <%x>\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
	      "  next_to_use          <%x>\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
	      "  next_to_clean        <%x>\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
	      "buffer_info[next_to_clean]:\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
	      "  time_stamp           <%lx>\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
	      "  next_to_watch        <%x>\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
	      "  jiffies              <%lx>\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
	      "  next_to_watch.status <%x>\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
	      "MAC Status             <%x>\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
	      "PHY Status             <%x>\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
	      "PHY 1000BASE-T Status  <%x>\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
	      "PHY Extended Status    <%x>\n"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
	      "PCI Status             <%x>\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
	      readl(adapter->hw.hw_addr + tx_ring->head),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
	      readl(adapter->hw.hw_addr + tx_ring->tail),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
	      tx_ring->next_to_use,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
	      tx_ring->next_to_clean,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
	      tx_ring->buffer_info[eop].time_stamp,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
	      eop,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
	      jiffies,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
	      eop_desc->upper.fields.status,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
	      er32(STATUS),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
	      phy_status,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
	      phy_1000t_status,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
	      phy_ext_status,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
	      pci_status);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
 * the return value indicates whether actual cleaning was done, there
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
 * is no guarantee that everything was cleaned
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
	struct e1000_tx_desc *tx_desc, *eop_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
	struct e1000_buffer *buffer_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
	unsigned int i, eop;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
	unsigned int count = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	unsigned int total_tx_bytes = 0, total_tx_packets = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
	i = tx_ring->next_to_clean;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	eop = tx_ring->buffer_info[i].next_to_watch;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
	       (count < tx_ring->count)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
		bool cleaned = false;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
		rmb(); /* read buffer_info after eop_desc */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
		for (; !cleaned; count++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
			tx_desc = E1000_TX_DESC(*tx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
			buffer_info = &tx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
			cleaned = (i == eop);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
			if (cleaned) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
				total_tx_packets += buffer_info->segs;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
				total_tx_bytes += buffer_info->bytecount;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
			e1000_put_txbuf(adapter, buffer_info);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
			tx_desc->upper.data = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
			i++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
			if (i == tx_ring->count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
				i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
		if (i == tx_ring->next_to_use)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
		eop = tx_ring->buffer_info[i].next_to_watch;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
	tx_ring->next_to_clean = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
#define TX_WAKE_THRESHOLD 32
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	if (!adapter->ecdev && count && netif_carrier_ok(netdev) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
	    e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
		/* Make sure that anybody stopping the queue after this
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
		 * sees the new next_to_clean.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
		smp_mb();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
		if (netif_queue_stopped(netdev) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
		    !(test_bit(__E1000_DOWN, &adapter->state))) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
			netif_wake_queue(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
			++adapter->restart_queue;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
	if (!adapter->ecdev && adapter->detect_tx_hung) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		 * Detect a transmit hang in hardware, this serializes the
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		 * check with the clearing of time_stamp and movement of i
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		adapter->detect_tx_hung = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		if (tx_ring->buffer_info[i].time_stamp &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
			       + (adapter->tx_timeout_factor * HZ)) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
			schedule_work(&adapter->print_hang_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
			netif_stop_queue(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	adapter->total_tx_bytes += total_tx_bytes;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
	adapter->total_tx_packets += total_tx_packets;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	netdev->stats.tx_bytes += total_tx_bytes;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
	netdev->stats.tx_packets += total_tx_packets;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	return count < tx_ring->count;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
 * the return value indicates whether actual cleaning was done, there
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
 * is no guarantee that everything was cleaned
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
				  int *work_done, int work_to_do)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	struct e1000_ring *rx_ring = adapter->rx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	struct e1000_buffer *buffer_info, *next_buffer;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	struct e1000_ps_page *ps_page;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	struct sk_buff *skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	unsigned int i, j;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	u32 length, staterr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	int cleaned_count = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	bool cleaned = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	i = rx_ring->next_to_clean;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
	buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
	while (staterr & E1000_RXD_STAT_DD) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
		if (*work_done >= work_to_do)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
		(*work_done)++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
		skb = buffer_info->skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
		rmb();	/* read descriptor and rx_buffer_info after status DD */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
		/* in the packet split case this is header only */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
		prefetch(skb->data - NET_IP_ALIGN);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
		i++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
		if (i == rx_ring->count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
			i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
		prefetch(next_rxd);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
		next_buffer = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
		cleaned = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
		cleaned_count++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
		dma_unmap_single(&pdev->dev, buffer_info->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
				 adapter->rx_ps_bsize0,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
				 DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		buffer_info->dma = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		/* see !EOP comment in other rx routine */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
		if (!(staterr & E1000_RXD_STAT_EOP))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
			adapter->flags2 |= FLAG2_IS_DISCARDING;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
			e_dbg("Packet Split buffers didn't pick up the full "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
			      "packet\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
			if (!adapter->ecdev) dev_kfree_skb_irq(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
			if (staterr & E1000_RXD_STAT_EOP)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
			goto next_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
		if (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
			if (!adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
				dev_kfree_skb_irq(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
			goto next_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
		length = le16_to_cpu(rx_desc->wb.middle.length0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		if (!length) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
			e_dbg("Last part of the packet spanning multiple "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
			      "descriptors\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
			if (!adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
				dev_kfree_skb_irq(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
			goto next_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		/* Good Receive */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		skb_put(skb, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		 * this looks ugly, but it seems compiler issues make it
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		 * more efficient than reusing j
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
		 * page alloc/put takes too long and effects small packet
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
		 * throughput, so unsplit small packets and save the alloc/put
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
		 * only valid in softirq (napi) context to call kmap_*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		if (l1 && (l1 <= copybreak) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		    ((length + l1) <= adapter->rx_ps_bsize0)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
			u8 *vaddr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
			ps_page = &buffer_info->ps_pages[0];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
			/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
			 * there is no documentation about how to call
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
			 * kmap_atomic, so we can't hold the mapping
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
			 * very long
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
			 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
			dma_sync_single_for_cpu(&pdev->dev, ps_page->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
						PAGE_SIZE, DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
			vaddr = kmap_atomic(ps_page->page, KM_SKB_DATA_SOFTIRQ);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
			memcpy(skb_tail_pointer(skb), vaddr, l1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
			dma_sync_single_for_device(&pdev->dev, ps_page->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
						   PAGE_SIZE, DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
			/* remove the CRC */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
			if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
				l1 -= 4;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
			skb_put(skb, l1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
			goto copydone;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
		} /* if */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
			length = le16_to_cpu(rx_desc->wb.upper.length[j]);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
			if (!length)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
				break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
			ps_page = &buffer_info->ps_pages[j];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
				       DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
			ps_page->dma = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
			skb_add_rx_frag(skb, j, ps_page->page, 0, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
			ps_page->page = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
		/* strip the ethernet crc, problem is we're using pages now so
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
		 * this whole operation can get a little cpu intensive
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
			pskb_trim(skb, skb->len - 4);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
copydone:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		total_rx_bytes += skb->len;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
		total_rx_packets++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
		e1000_rx_checksum(adapter, staterr, le16_to_cpu(
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
			rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
		if (rx_desc->wb.upper.header_status &
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
			adapter->rx_hdr_split++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		if (adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
			ecdev_receive(adapter->ecdev, skb->data, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
			adapter->ec_watchdog_jiffies = jiffies;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
		} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
			e1000_receive_skb(adapter, netdev, skb,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
					  staterr, rx_desc->wb.middle.vlan);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
next_desc:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
		if (!adapter->ecdev) buffer_info->skb = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
		/* return some buffers to hardware, one at a time is too slow */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
			adapter->alloc_rx_buf(adapter, cleaned_count);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
			cleaned_count = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
		/* use prefetched values */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
		rx_desc = next_rxd;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
		buffer_info = next_buffer;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
	rx_ring->next_to_clean = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
	cleaned_count = e1000_desc_unused(rx_ring);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
	if (cleaned_count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
		adapter->alloc_rx_buf(adapter, cleaned_count);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
	adapter->total_rx_bytes += total_rx_bytes;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
	adapter->total_rx_packets += total_rx_packets;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
	netdev->stats.rx_bytes += total_rx_bytes;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
	netdev->stats.rx_packets += total_rx_packets;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
	return cleaned;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
 * e1000_consume_page - helper function
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
                               u16 length)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
	bi->page = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
	skb->len += length;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
	skb->data_len += length;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
	skb->truesize += length;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
 * the return value indicates whether actual cleaning was done, there
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
 * is no guarantee that everything was cleaned
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
                                     int *work_done, int work_to_do)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
	struct e1000_ring *rx_ring = adapter->rx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
	struct e1000_rx_desc *rx_desc, *next_rxd;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
	struct e1000_buffer *buffer_info, *next_buffer;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
	u32 length;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
	unsigned int i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
	int cleaned_count = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
	bool cleaned = false;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
	unsigned int total_rx_bytes=0, total_rx_packets=0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
	i = rx_ring->next_to_clean;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
	rx_desc = E1000_RX_DESC(*rx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
	buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
	while (rx_desc->status & E1000_RXD_STAT_DD) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
		struct sk_buff *skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
		u8 status;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
		if (*work_done >= work_to_do)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
		(*work_done)++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
		rmb();	/* read descriptor and rx_buffer_info after status DD */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
		status = rx_desc->status;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
		skb = buffer_info->skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
		if (!adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
			buffer_info->skb = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
		++i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
		if (i == rx_ring->count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
			i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
		next_rxd = E1000_RX_DESC(*rx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
		prefetch(next_rxd);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
		next_buffer = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
		cleaned = true;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
		cleaned_count++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
		dma_unmap_page(&pdev->dev, buffer_info->dma, PAGE_SIZE,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
			       DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
		buffer_info->dma = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
		length = le16_to_cpu(rx_desc->length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
		/* errors is only valid for DD + EOP descriptors */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
		if (!adapter->ecdev && unlikely((status & E1000_RXD_STAT_EOP) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
		    (rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK))) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
				/* recycle both page and skb */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
				buffer_info->skb = skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
				/* an error means any chain goes out the window
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
				 * too */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
				if (rx_ring->rx_skb_top)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
					dev_kfree_skb(rx_ring->rx_skb_top);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
				rx_ring->rx_skb_top = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
				goto next_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
#define rxtop rx_ring->rx_skb_top
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
		if (!(status & E1000_RXD_STAT_EOP)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
			/* this descriptor is only the beginning (or middle) */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
			if (!rxtop) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
				/* this is the beginning of a chain */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
				rxtop = skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
				                   0, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
			} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
				/* this is the middle of a chain */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
				skb_fill_page_desc(rxtop,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
				    skb_shinfo(rxtop)->nr_frags,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
				    buffer_info->page, 0, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
				/* re-use the skb, only consumed the page */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
				buffer_info->skb = skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
			e1000_consume_page(buffer_info, rxtop, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
			goto next_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
		} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
			if (rxtop) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
				/* end of the chain */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
				skb_fill_page_desc(rxtop,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
				    skb_shinfo(rxtop)->nr_frags,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
				    buffer_info->page, 0, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
				/* re-use the current skb, we only consumed the
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
				 * page */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
				buffer_info->skb = skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
				skb = rxtop;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
				rxtop = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
				e1000_consume_page(buffer_info, skb, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
			} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
				/* no chain, got EOP, this buf is the packet
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
				 * copybreak to save the put_page/alloc_page */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
				if (length <= copybreak &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
				    skb_tailroom(skb) >= length) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
					u8 *vaddr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
					vaddr = kmap_atomic(buffer_info->page,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
					                   KM_SKB_DATA_SOFTIRQ);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
					memcpy(skb_tail_pointer(skb), vaddr,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
					       length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
					kunmap_atomic(vaddr,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
					              KM_SKB_DATA_SOFTIRQ);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
					/* re-use the page, so don't erase
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
					 * buffer_info->page */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
					skb_put(skb, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
				} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
					skb_fill_page_desc(skb, 0,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
					                   buffer_info->page, 0,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
				                           length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
					e1000_consume_page(buffer_info, skb,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
					                   length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
				}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
		e1000_rx_checksum(adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
		                  (u32)(status) |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
		                  ((u32)(rx_desc->errors) << 24),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
		                  le16_to_cpu(rx_desc->csum), skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
		/* probably a little skewed due to removing CRC */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
		total_rx_bytes += skb->len;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
		total_rx_packets++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
		/* eth type trans needs skb->data to point to something */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
		if (!adapter->ecdev && !pskb_may_pull(skb, ETH_HLEN)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
			e_err("pskb_may_pull failed.\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
			dev_kfree_skb(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
			goto next_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
		if (adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
			ecdev_receive(adapter->ecdev, skb->data, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
			adapter->ec_watchdog_jiffies = jiffies;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
		} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
			e1000_receive_skb(adapter, netdev, skb, status,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
			                  rx_desc->special);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
next_desc:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
		rx_desc->status = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
		/* return some buffers to hardware, one at a time is too slow */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
			adapter->alloc_rx_buf(adapter, cleaned_count);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
			cleaned_count = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
		/* use prefetched values */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
		rx_desc = next_rxd;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
		buffer_info = next_buffer;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
	rx_ring->next_to_clean = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
	cleaned_count = e1000_desc_unused(rx_ring);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
	if (cleaned_count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
		adapter->alloc_rx_buf(adapter, cleaned_count);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
	adapter->total_rx_bytes += total_rx_bytes;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
	adapter->total_rx_packets += total_rx_packets;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
	netdev->stats.rx_bytes += total_rx_bytes;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
	netdev->stats.rx_packets += total_rx_packets;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
	return cleaned;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
static void e1000_clean_rx_ring(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
	struct e1000_ring *rx_ring = adapter->rx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
	struct e1000_buffer *buffer_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
	struct e1000_ps_page *ps_page;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
	unsigned int i, j;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
	/* Free all the Rx ring sk_buffs */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
	for (i = 0; i < rx_ring->count; i++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
		buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
		if (buffer_info->dma) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
			if (adapter->clean_rx == e1000_clean_rx_irq)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
				dma_unmap_single(&pdev->dev, buffer_info->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
						 adapter->rx_buffer_len,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
						 DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
			else if (adapter->clean_rx == e1000_clean_jumbo_rx_irq)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
				dma_unmap_page(&pdev->dev, buffer_info->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
				               PAGE_SIZE,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
					       DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
			else if (adapter->clean_rx == e1000_clean_rx_irq_ps)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
				dma_unmap_single(&pdev->dev, buffer_info->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
						 adapter->rx_ps_bsize0,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
						 DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
			buffer_info->dma = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
		if (buffer_info->page) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
			put_page(buffer_info->page);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
			buffer_info->page = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
		if (buffer_info->skb) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
			dev_kfree_skb(buffer_info->skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
			buffer_info->skb = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
			ps_page = &buffer_info->ps_pages[j];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
			if (!ps_page->page)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
				break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
				       DMA_FROM_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
			ps_page->dma = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
			put_page(ps_page->page);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
			ps_page->page = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
	/* there also may be some cached data from a chained receive */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
	if (rx_ring->rx_skb_top) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
		dev_kfree_skb(rx_ring->rx_skb_top);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
		rx_ring->rx_skb_top = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
	/* Zero out the descriptor ring */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
	memset(rx_ring->desc, 0, rx_ring->size);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
	rx_ring->next_to_clean = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
	rx_ring->next_to_use = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
	writel(0, adapter->hw.hw_addr + rx_ring->head);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
	writel(0, adapter->hw.hw_addr + rx_ring->tail);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
static void e1000e_downshift_workaround(struct work_struct *work)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
	struct e1000_adapter *adapter = container_of(work,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
					struct e1000_adapter, downshift_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
 * e1000_intr_msi - Interrupt Handler
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
 * @irq: interrupt number
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
 * @data: pointer to a network interface device structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
static irqreturn_t e1000_intr_msi(int irq, void *data)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
	struct net_device *netdev = data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	u32 icr = er32(ICR);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
 	if (adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
 		int ec_work_done = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
 		adapter->clean_rx(adapter, &ec_work_done, 100);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
 		e1000_clean_tx_irq(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
		return IRQ_HANDLED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
	 * read ICR disables interrupts using IAM
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
	if (icr & E1000_ICR_LSC) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
		hw->mac.get_link_status = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
		 * ICH8 workaround-- Call gig speed drop workaround on cable
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
		 * disconnect (LSC) before accessing any PHY registers
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
		    (!(er32(STATUS) & E1000_STATUS_LU)))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
			schedule_work(&adapter->downshift_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
		 * 80003ES2LAN workaround-- For packet buffer work-around on
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
		 * link down event; disable receives here in the ISR and reset
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
		 * adapter in watchdog
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
		if (netif_carrier_ok(netdev) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
		    adapter->flags & FLAG_RX_NEEDS_RESTART) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
			/* disable receives */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
			u32 rctl = er32(RCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
			adapter->flags |= FLAG_RX_RESTART_NOW;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
		/* guard against interrupt when we're going down */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
		if (!test_bit(__E1000_DOWN, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
	if (napi_schedule_prep(&adapter->napi)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
		adapter->total_tx_bytes = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
		adapter->total_tx_packets = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		adapter->total_rx_bytes = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
		adapter->total_rx_packets = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
		__napi_schedule(&adapter->napi);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
	return IRQ_HANDLED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
 * e1000_intr - Interrupt Handler
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
 * @irq: interrupt number
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
 * @data: pointer to a network interface device structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
static irqreturn_t e1000_intr(int irq, void *data)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
	struct net_device *netdev = data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
	u32 rctl, icr = er32(ICR);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	if (!icr || test_bit(__E1000_DOWN, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
		return IRQ_NONE;  /* Not our interrupt */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
	 * IMS will not auto-mask if INT_ASSERTED is not set, and if it is
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
	 * not set, then the adapter didn't send an interrupt
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
	if (!adapter->ecdev && !(icr & E1000_ICR_INT_ASSERTED))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
		return IRQ_NONE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	 * Interrupt Auto-Mask...upon reading ICR,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	 * interrupts are masked.  No need for the
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	 * IMC write
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	if (!adapter->ecdev && (icr & E1000_ICR_LSC)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
		hw->mac.get_link_status = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
		 * ICH8 workaround-- Call gig speed drop workaround on cable
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
		 * disconnect (LSC) before accessing any PHY registers
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
		    (!(er32(STATUS) & E1000_STATUS_LU)))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
			schedule_work(&adapter->downshift_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
		 * 80003ES2LAN workaround--
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
		 * For packet buffer work-around on link down event;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
		 * disable receives here in the ISR and
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
		 * reset adapter in watchdog
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
		if (netif_carrier_ok(netdev) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
		    (adapter->flags & FLAG_RX_NEEDS_RESTART)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
			/* disable receives */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
			rctl = er32(RCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
			adapter->flags |= FLAG_RX_RESTART_NOW;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
		/* guard against interrupt when we're going down */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
		if (!test_bit(__E1000_DOWN, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
 	if (adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
 		int ec_work_done = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
 		adapter->clean_rx(adapter, &ec_work_done, 100);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
 		e1000_clean_tx_irq(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
		return IRQ_HANDLED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
	if (napi_schedule_prep(&adapter->napi)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		adapter->total_tx_bytes = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		adapter->total_tx_packets = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
		adapter->total_rx_bytes = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
		adapter->total_rx_packets = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		__napi_schedule(&adapter->napi);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
	return IRQ_HANDLED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
static irqreturn_t e1000_msix_other(int irq, void *data)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
	struct net_device *netdev = data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
	u32 icr = er32(ICR);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
	if (!(icr & E1000_ICR_INT_ASSERTED)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
		if (!test_bit(__E1000_DOWN, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
			ew32(IMS, E1000_IMS_OTHER);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
		return IRQ_NONE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
	if (icr & adapter->eiac_mask)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
		ew32(ICS, (icr & adapter->eiac_mask));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
	if (icr & E1000_ICR_OTHER) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
		if (!(icr & E1000_ICR_LSC))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
			goto no_link_interrupt;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
		hw->mac.get_link_status = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
		/* guard against interrupt when we're going down */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
		if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
no_link_interrupt:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
	if (!test_bit(__E1000_DOWN, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
		ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	return IRQ_HANDLED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
	struct net_device *netdev = data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	adapter->total_tx_bytes = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
	adapter->total_tx_packets = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	if (!e1000_clean_tx_irq(adapter))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
		/* Ring was not completely cleaned, so fire another interrupt */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
		ew32(ICS, tx_ring->ims_val);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	return IRQ_HANDLED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
	struct net_device *netdev = data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
	/* Write the ITR value calculated at the end of the
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
	 * previous interrupt.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
	if (adapter->rx_ring->set_itr) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		writel(1000000000 / (adapter->rx_ring->itr_val * 256),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
		       adapter->hw.hw_addr + adapter->rx_ring->itr_register);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		adapter->rx_ring->set_itr = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
 	if (adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
 		int ec_work_done = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
 		adapter->clean_rx(adapter, &ec_work_done, 100);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
		if (napi_schedule_prep(&adapter->napi)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
			adapter->total_rx_bytes = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
			adapter->total_rx_packets = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
			__napi_schedule(&adapter->napi);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
	return IRQ_HANDLED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
 * e1000_configure_msix - Configure MSI-X hardware
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
 * e1000_configure_msix sets up the hardware to properly
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
 * generate MSI-X interrupts.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
static void e1000_configure_msix(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
	struct e1000_ring *rx_ring = adapter->rx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
	int vector = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
	u32 ctrl_ext, ivar = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	adapter->eiac_mask = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
	/* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
	if (hw->mac.type == e1000_82574) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
		u32 rfctl = er32(RFCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
		rfctl |= E1000_RFCTL_ACK_DIS;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
		ew32(RFCTL, rfctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
#define E1000_IVAR_INT_ALLOC_VALID	0x8
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	/* Configure Rx vector */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
	rx_ring->ims_val = E1000_IMS_RXQ0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
	adapter->eiac_mask |= rx_ring->ims_val;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	if (rx_ring->itr_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
		writel(1000000000 / (rx_ring->itr_val * 256),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
		       hw->hw_addr + rx_ring->itr_register);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		writel(1, hw->hw_addr + rx_ring->itr_register);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
	ivar = E1000_IVAR_INT_ALLOC_VALID | vector;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
	/* Configure Tx vector */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
	tx_ring->ims_val = E1000_IMS_TXQ0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
	vector++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	if (tx_ring->itr_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
		writel(1000000000 / (tx_ring->itr_val * 256),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
		       hw->hw_addr + tx_ring->itr_register);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
		writel(1, hw->hw_addr + tx_ring->itr_register);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
	adapter->eiac_mask |= tx_ring->ims_val;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
	/* set vector for Other Causes, e.g. link changes */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
	vector++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
	if (rx_ring->itr_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
		writel(1000000000 / (rx_ring->itr_val * 256),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
		       hw->hw_addr + E1000_EITR_82574(vector));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
		writel(1, hw->hw_addr + E1000_EITR_82574(vector));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
	/* Cause Tx interrupts on every write back */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
	ivar |= (1 << 31);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
	ew32(IVAR, ivar);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
	/* enable MSI-X PBA support */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
	ctrl_ext = er32(CTRL_EXT);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
	ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
	/* Auto-Mask Other interrupts upon ICR read */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
#define E1000_EIAC_MASK_82574   0x01F00000
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
	ctrl_ext |= E1000_CTRL_EXT_EIAME;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
	ew32(CTRL_EXT, ctrl_ext);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
	e1e_flush();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
	if (adapter->msix_entries) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
		pci_disable_msix(adapter->pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
		kfree(adapter->msix_entries);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
		adapter->msix_entries = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
	} else if (adapter->flags & FLAG_MSI_ENABLED) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		pci_disable_msi(adapter->pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
		adapter->flags &= ~FLAG_MSI_ENABLED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
 * e1000e_set_interrupt_capability - set MSI or MSI-X if supported
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
 * Attempt to configure interrupts using the best available
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
 * capabilities of the hardware and kernel.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
	int err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
	int i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
	switch (adapter->int_mode) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
	case E1000E_INT_MODE_MSIX:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
		if (adapter->flags & FLAG_HAS_MSIX) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
			adapter->num_vectors = 3; /* RxQ0, TxQ0 and other */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
			adapter->msix_entries = kcalloc(adapter->num_vectors,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
						      sizeof(struct msix_entry),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
						      GFP_KERNEL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
			if (adapter->msix_entries) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
				for (i = 0; i < adapter->num_vectors; i++)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
					adapter->msix_entries[i].entry = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
				err = pci_enable_msix(adapter->pdev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
						      adapter->msix_entries,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
						      adapter->num_vectors);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
				if (err == 0) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
					return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
				}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
			/* MSI-X failed, so fall through and try MSI */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
			e_err("Failed to initialize MSI-X interrupts.  "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
			      "Falling back to MSI interrupts.\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
			e1000e_reset_interrupt_capability(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
		adapter->int_mode = E1000E_INT_MODE_MSI;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
		/* Fall through */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	case E1000E_INT_MODE_MSI:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
		if (!pci_enable_msi(adapter->pdev)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
			adapter->flags |= FLAG_MSI_ENABLED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
		} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
			adapter->int_mode = E1000E_INT_MODE_LEGACY;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
			e_err("Failed to initialize MSI interrupts.  Falling "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
			      "back to legacy interrupts.\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
		/* Fall through */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
	case E1000E_INT_MODE_LEGACY:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
		/* Don't do anything; this is the system default */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
	/* store the number of vectors being used */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
	adapter->num_vectors = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
 * e1000_request_msix - Initialize MSI-X interrupts
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
 * e1000_request_msix allocates MSI-X vectors and requests interrupts from the
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
 * kernel.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
static int e1000_request_msix(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
	int err = 0, vector = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
		sprintf(adapter->rx_ring->name, "%s-rx-0", netdev->name);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	err = request_irq(adapter->msix_entries[vector].vector,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
			  e1000_intr_msix_rx, entropy ? IRQF_SAMPLE_RANDOM : 0,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
			  adapter->rx_ring->name, netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
		goto out;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	adapter->rx_ring->itr_register = E1000_EITR_82574(vector);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
	adapter->rx_ring->itr_val = adapter->itr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
	vector++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
		sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
	err = request_irq(adapter->msix_entries[vector].vector,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
			  e1000_intr_msix_tx, 0, adapter->tx_ring->name,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
			  netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
		goto out;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
	adapter->tx_ring->itr_register = E1000_EITR_82574(vector);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
	adapter->tx_ring->itr_val = adapter->itr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
	vector++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
	err = request_irq(adapter->msix_entries[vector].vector,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
			  e1000_msix_other, 0, netdev->name, netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
		goto out;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
	e1000_configure_msix(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
out:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
	return err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
 * e1000_request_irq - initialize interrupts
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
 * Attempts to configure interrupts using the best available
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
 * capabilities of the hardware and kernel.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
static int e1000_request_irq(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
	int err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
	int irq_flags = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
	if (adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
		return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
	if (adapter->msix_entries) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		err = e1000_request_msix(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
		if (!err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
			return err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
		/* fall back to MSI */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
		e1000e_reset_interrupt_capability(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
		adapter->int_mode = E1000E_INT_MODE_MSI;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
		e1000e_set_interrupt_capability(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
	if (adapter->flags & FLAG_MSI_ENABLED) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
		err = request_irq(adapter->pdev->irq, e1000_intr_msi,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
				  entropy ? IRQF_SAMPLE_RANDOM : 0,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
				  netdev->name, netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
		if (!err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
			return err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
		/* fall back to legacy interrupt */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
		e1000e_reset_interrupt_capability(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
	if (entropy)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
		irq_flags |= IRQF_SAMPLE_RANDOM;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
	err = request_irq(adapter->pdev->irq, e1000_intr,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
			  irq_flags | IRQF_SHARED, netdev->name, netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
		e_err("Unable to allocate interrupt, Error: %d\n", err);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
	return err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
static void e1000_free_irq(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
	if (adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
	if (adapter->msix_entries) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
		int vector = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		free_irq(adapter->msix_entries[vector].vector, netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
		vector++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
		free_irq(adapter->msix_entries[vector].vector, netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
		vector++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
		/* Other Causes interrupt vector */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
		free_irq(adapter->msix_entries[vector].vector, netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	free_irq(adapter->pdev->irq, netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
 * e1000_irq_disable - Mask off interrupt generation on the NIC
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
static void e1000_irq_disable(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
	if (adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
	ew32(IMC, ~0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	if (adapter->msix_entries)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
		ew32(EIAC_82574, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
	e1e_flush();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
	if (adapter->msix_entries) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
		int i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
		for (i = 0; i < adapter->num_vectors; i++)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
			synchronize_irq(adapter->msix_entries[i].vector);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
		synchronize_irq(adapter->pdev->irq);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
 * e1000_irq_enable - Enable default interrupt generation settings
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
static void e1000_irq_enable(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
	if (adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
	if (adapter->msix_entries) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
		ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
		ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
		ew32(IMS, IMS_ENABLE_MASK);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
	e1e_flush();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
 * e1000_get_hw_control - get control of the h/w from f/w
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
 * @adapter: address of board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
 * e1000_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
 * For ASF and Pass Through versions of f/w this means that
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
 * the driver is loaded. For AMT version (only with 82573)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
 * of the f/w this means that the network i/f is open.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
static void e1000_get_hw_control(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
	u32 ctrl_ext;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
	u32 swsm;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	/* Let firmware know the driver has taken over */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
		swsm = er32(SWSM);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
		ctrl_ext = er32(CTRL_EXT);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
 * e1000_release_hw_control - release control of the h/w to f/w
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
 * @adapter: address of board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
 * e1000_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
 * For ASF and Pass Through versions of f/w this means that the
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
 * driver is no longer loaded. For AMT version (only with 82573) i
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
 * of the f/w this means that the network i/f is closed.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
static void e1000_release_hw_control(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
	u32 ctrl_ext;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	u32 swsm;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
	/* Let firmware taken over control of h/w */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		swsm = er32(SWSM);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
		ctrl_ext = er32(CTRL_EXT);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
 * @e1000_alloc_ring - allocate memory for a ring structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
				struct e1000_ring *ring)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
	ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
					GFP_KERNEL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
	if (!ring->desc)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
		return -ENOMEM;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
 * e1000e_setup_tx_resources - allocate Tx resources (Descriptors)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
 * Return 0 on success, negative on failure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
	int err = -ENOMEM, size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
	size = sizeof(struct e1000_buffer) * tx_ring->count;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
	tx_ring->buffer_info = vmalloc(size);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
	if (!tx_ring->buffer_info)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
		goto err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	memset(tx_ring->buffer_info, 0, size);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	/* round up to nearest 4K */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
	tx_ring->size = ALIGN(tx_ring->size, 4096);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
	err = e1000_alloc_ring_dma(adapter, tx_ring);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
		goto err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
	tx_ring->next_to_use = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	tx_ring->next_to_clean = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
err:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
	vfree(tx_ring->buffer_info);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
	return err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
 * e1000e_setup_rx_resources - allocate Rx resources (Descriptors)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
 * Returns 0 on success, negative on failure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
int e1000e_setup_rx_resources(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
	struct e1000_ring *rx_ring = adapter->rx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
	struct e1000_buffer *buffer_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	int i, size, desc_len, err = -ENOMEM;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
	size = sizeof(struct e1000_buffer) * rx_ring->count;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
	rx_ring->buffer_info = vmalloc(size);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
	if (!rx_ring->buffer_info)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
		goto err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
	memset(rx_ring->buffer_info, 0, size);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
	for (i = 0; i < rx_ring->count; i++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
		buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
		buffer_info->ps_pages = kcalloc(PS_PAGE_BUFFERS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
						sizeof(struct e1000_ps_page),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
						GFP_KERNEL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
		if (!buffer_info->ps_pages)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
			goto err_pages;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
	desc_len = sizeof(union e1000_rx_desc_packet_split);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
	/* Round up to nearest 4K */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
	rx_ring->size = rx_ring->count * desc_len;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
	rx_ring->size = ALIGN(rx_ring->size, 4096);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	err = e1000_alloc_ring_dma(adapter, rx_ring);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
		goto err_pages;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
	rx_ring->next_to_clean = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
	rx_ring->next_to_use = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
	rx_ring->rx_skb_top = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
err_pages:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	for (i = 0; i < rx_ring->count; i++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
		buffer_info = &rx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
		kfree(buffer_info->ps_pages);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
err:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	vfree(rx_ring->buffer_info);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
	return err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
 * e1000_clean_tx_ring - Free Tx Buffers
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
static void e1000_clean_tx_ring(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	struct e1000_buffer *buffer_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
	unsigned long size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	unsigned int i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
	for (i = 0; i < tx_ring->count; i++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
		buffer_info = &tx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
		e1000_put_txbuf(adapter, buffer_info);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
	size = sizeof(struct e1000_buffer) * tx_ring->count;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
	memset(tx_ring->buffer_info, 0, size);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
	memset(tx_ring->desc, 0, tx_ring->size);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
	tx_ring->next_to_use = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
	tx_ring->next_to_clean = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	writel(0, adapter->hw.hw_addr + tx_ring->head);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	writel(0, adapter->hw.hw_addr + tx_ring->tail);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
 * e1000e_free_tx_resources - Free Tx Resources per Queue
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
 * Free all transmit software resources
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
void e1000e_free_tx_resources(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
	e1000_clean_tx_ring(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
	vfree(tx_ring->buffer_info);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	tx_ring->buffer_info = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
			  tx_ring->dma);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	tx_ring->desc = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
 * e1000e_free_rx_resources - Free Rx Resources
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
 * Free all receive software resources
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
void e1000e_free_rx_resources(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
	struct e1000_ring *rx_ring = adapter->rx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
	int i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	e1000_clean_rx_ring(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	for (i = 0; i < rx_ring->count; i++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
		kfree(rx_ring->buffer_info[i].ps_pages);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
	vfree(rx_ring->buffer_info);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
	rx_ring->buffer_info = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
			  rx_ring->dma);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
	rx_ring->desc = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
 * e1000_update_itr - update the dynamic ITR value based on statistics
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
 * @adapter: pointer to adapter
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
 * @itr_setting: current adapter->itr
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
 * @packets: the number of packets during this measurement interval
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
 * @bytes: the number of bytes during this measurement interval
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
 *      Stores a new ITR value based on packets and byte
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
 *      counts during the last interrupt.  The advantage of per interrupt
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
 *      computation is faster updates and more accurate ITR for the current
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
 *      traffic pattern.  Constants in this function were computed
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
 *      based on theoretical maximum wire speed and thresholds were set based
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
 *      on testing data as well as attempting to minimize response time
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
 *      while increasing bulk throughput.  This functionality is controlled
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
 *      by the InterruptThrottleRate module parameter.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
				     u16 itr_setting, int packets,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
				     int bytes)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
	unsigned int retval = itr_setting;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
	if (packets == 0)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
		goto update_itr_done;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
	switch (itr_setting) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
	case lowest_latency:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
		/* handle TSO and jumbo frames */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
		if (bytes/packets > 8000)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
			retval = bulk_latency;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
		else if ((packets < 5) && (bytes > 512)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
			retval = low_latency;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	case low_latency:  /* 50 usec aka 20000 ints/s */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
		if (bytes > 10000) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
			/* this if handles the TSO accounting */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
			if (bytes/packets > 8000) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
				retval = bulk_latency;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
			} else if ((packets < 10) || ((bytes/packets) > 1200)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
				retval = bulk_latency;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
			} else if ((packets > 35)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
				retval = lowest_latency;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
		} else if (bytes/packets > 2000) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
			retval = bulk_latency;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
		} else if (packets <= 2 && bytes < 512) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
			retval = lowest_latency;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
	case bulk_latency: /* 250 usec aka 4000 ints/s */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
		if (bytes > 25000) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
			if (packets > 35) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
				retval = low_latency;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
		} else if (bytes < 6000) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
			retval = low_latency;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
update_itr_done:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
	return retval;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
static void e1000_set_itr(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
	u16 current_itr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
	u32 new_itr = adapter->itr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
	if (adapter->link_speed != SPEED_1000) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
		current_itr = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
		new_itr = 4000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
		goto set_itr_now;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
	if (adapter->flags2 & FLAG2_DISABLE_AIM) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
		new_itr = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
		goto set_itr_now;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
	adapter->tx_itr = e1000_update_itr(adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
				    adapter->tx_itr,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
				    adapter->total_tx_packets,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
				    adapter->total_tx_bytes);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
		adapter->tx_itr = low_latency;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
	adapter->rx_itr = e1000_update_itr(adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
				    adapter->rx_itr,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
				    adapter->total_rx_packets,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
				    adapter->total_rx_bytes);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
		adapter->rx_itr = low_latency;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	switch (current_itr) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
	/* counts and packets in update_itr are dependent on these numbers */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
	case lowest_latency:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
		new_itr = 70000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
	case low_latency:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
		new_itr = 20000; /* aka hwitr = ~200 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
	case bulk_latency:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		new_itr = 4000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
	default:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
set_itr_now:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
	if (new_itr != adapter->itr) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
		 * this attempts to bias the interrupt rate towards Bulk
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
		 * by adding intermediate steps when interrupt rate is
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
		 * increasing
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
		new_itr = new_itr > adapter->itr ?
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
			     min(adapter->itr + (new_itr >> 2), new_itr) :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
			     new_itr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
		adapter->itr = new_itr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
		adapter->rx_ring->itr_val = new_itr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
		if (adapter->msix_entries)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
			adapter->rx_ring->set_itr = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
		else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
			if (new_itr)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
				ew32(ITR, 1000000000 / (new_itr * 256));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
			else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
				ew32(ITR, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
 * e1000_alloc_queues - Allocate memory for all rings
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
 * @adapter: board private structure to initialize
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
	adapter->tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
	if (!adapter->tx_ring)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
		goto err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
	adapter->rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
	if (!adapter->rx_ring)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
		goto err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
err:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
	e_err("Unable to allocate memory for queues\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
	kfree(adapter->rx_ring);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	kfree(adapter->tx_ring);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
	return -ENOMEM;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
 * e1000_clean - NAPI Rx polling callback
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
 * @napi: struct associated with this polling callback
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
 * @budget: amount of packets driver is allowed to process this poll
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
static int e1000_clean(struct napi_struct *napi, int budget)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
	struct net_device *poll_dev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
	int tx_cleaned = 1, work_done = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
	adapter = netdev_priv(poll_dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	if (adapter->msix_entries &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
	    !(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
		goto clean_rx;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
	tx_cleaned = e1000_clean_tx_irq(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
clean_rx:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
	adapter->clean_rx(adapter, &work_done, budget);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
	if (!tx_cleaned)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
		work_done = budget;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
	/* If budget not fully consumed, exit the polling mode */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
	if (work_done < budget) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
		if (adapter->itr_setting & 3)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
			e1000_set_itr(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
		napi_complete(napi);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		if (!test_bit(__E1000_DOWN, &adapter->state)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
			if (adapter->msix_entries)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
				ew32(IMS, adapter->rx_ring->ims_val);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
			else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
				e1000_irq_enable(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
	return work_done;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
	u32 vfta, index;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
	/* don't update vlan cookie if already programmed */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
	if ((adapter->hw.mng_cookie.status &
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
	    (vid == adapter->mng_vlan_id))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
	/* add VID to filter table */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
		index = (vid >> 5) & 0x7F;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
		vfta |= (1 << (vid & 0x1F));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
		hw->mac.ops.write_vfta(hw, index, vfta);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
	u32 vfta, index;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
	if (!test_bit(__E1000_DOWN, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
		e1000_irq_disable(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
	vlan_group_set_device(adapter->vlgrp, vid, NULL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
	if (!test_bit(__E1000_DOWN, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
		e1000_irq_enable(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
	if ((adapter->hw.mng_cookie.status &
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
	    (vid == adapter->mng_vlan_id)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
		/* release control to f/w */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
		e1000_release_hw_control(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
	/* remove VID from filter table */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
		index = (vid >> 5) & 0x7F;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
		vfta &= ~(1 << (vid & 0x1F));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
		hw->mac.ops.write_vfta(hw, index, vfta);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
	u16 vid = adapter->hw.mng_cookie.vlan_id;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
	u16 old_vid = adapter->mng_vlan_id;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
	if (!adapter->vlgrp)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
	if (!vlan_group_get_device(adapter->vlgrp, vid)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
		adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
		if (adapter->hw.mng_cookie.status &
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
			e1000_vlan_rx_add_vid(netdev, vid);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
			adapter->mng_vlan_id = vid;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
		if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
				(vid != old_vid) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
		    !vlan_group_get_device(adapter->vlgrp, old_vid))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
			e1000_vlan_rx_kill_vid(netdev, old_vid);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
		adapter->mng_vlan_id = vid;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
static void e1000_vlan_rx_register(struct net_device *netdev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
				   struct vlan_group *grp)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
	u32 ctrl, rctl;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
	if (!test_bit(__E1000_DOWN, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
		e1000_irq_disable(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
	adapter->vlgrp = grp;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
	if (grp) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
		/* enable VLAN tag insert/strip */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
		ctrl = er32(CTRL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
		ctrl |= E1000_CTRL_VME;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
		ew32(CTRL, ctrl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
			/* enable VLAN receive filtering */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
			rctl = er32(RCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
			rctl &= ~E1000_RCTL_CFIEN;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
			ew32(RCTL, rctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
			e1000_update_mng_vlan(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
		/* disable VLAN tag insert/strip */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
		ctrl = er32(CTRL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
		ctrl &= ~E1000_CTRL_VME;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
		ew32(CTRL, ctrl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
			if (adapter->mng_vlan_id !=
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
			    (u16)E1000_MNG_VLAN_NONE) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
				e1000_vlan_rx_kill_vid(netdev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
						       adapter->mng_vlan_id);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
	if (!test_bit(__E1000_DOWN, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
		e1000_irq_enable(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
static void e1000_restore_vlan(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
	u16 vid;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
	e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
	if (!adapter->vlgrp)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
	for (vid = 0; vid < VLAN_N_VID; vid++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
		if (!vlan_group_get_device(adapter->vlgrp, vid))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
			continue;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
		e1000_vlan_rx_add_vid(adapter->netdev, vid);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
static void e1000_init_manageability_pt(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
	u32 manc, manc2h, mdef, i, j;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
	manc = er32(MANC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
	 * enable receiving management packets to the host. this will probably
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
	 * generate destination unreachable messages from the host OS, but
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
	 * the packets will be handled on SMBUS
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
	manc |= E1000_MANC_EN_MNG2HOST;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
	manc2h = er32(MANC2H);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
	switch (hw->mac.type) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
	default:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
		manc2h |= (E1000_MANC2H_PORT_623 | E1000_MANC2H_PORT_664);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	case e1000_82574:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	case e1000_82583:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
		 * Check if IPMI pass-through decision filter already exists;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
		 * if so, enable it.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
		for (i = 0, j = 0; i < 8; i++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
			mdef = er32(MDEF(i));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
			/* Ignore filters with anything other than IPMI ports */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
			if (mdef & ~(E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
				continue;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
			/* Enable this decision filter in MANC2H */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
			if (mdef)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
				manc2h |= (1 << i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
			j |= mdef;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
		if (j == (E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
		/* Create new decision filter in an empty filter */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
		for (i = 0, j = 0; i < 8; i++)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
			if (er32(MDEF(i)) == 0) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
				ew32(MDEF(i), (E1000_MDEF_PORT_623 |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
					       E1000_MDEF_PORT_664));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
				manc2h |= (1 << 1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
				j++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
				break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
		if (!j)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
			e_warn("Unable to create IPMI pass-through filter\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
	ew32(MANC2H, manc2h);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
	ew32(MANC, manc);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
 * e1000_configure_tx - Configure 8254x Transmit Unit after Reset
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
 * Configure the Tx unit of the MAC after a reset.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
static void e1000_configure_tx(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	u64 tdba;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
	u32 tdlen, tctl, tipg, tarc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
	u32 ipgr1, ipgr2;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
	/* Setup the HW Tx Head and Tail descriptor pointers */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
	tdba = tx_ring->dma;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
	ew32(TDBAL, (tdba & DMA_BIT_MASK(32)));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	ew32(TDBAH, (tdba >> 32));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	ew32(TDLEN, tdlen);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	ew32(TDH, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
	ew32(TDT, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	tx_ring->head = E1000_TDH;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	tx_ring->tail = E1000_TDT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
	/* Set the default values for the Tx Inter Packet Gap timer */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	tipg = DEFAULT_82543_TIPG_IPGT_COPPER;          /*  8  */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	ipgr1 = DEFAULT_82543_TIPG_IPGR1;               /*  8  */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
	ipgr2 = DEFAULT_82543_TIPG_IPGR2;               /*  6  */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	if (adapter->flags & FLAG_TIPG_MEDIUM_FOR_80003ESLAN)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2; /*  7  */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
	ew32(TIPG, tipg);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
	/* Set the Tx Interrupt Delay register */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
	ew32(TIDV, adapter->tx_int_delay);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
	/* Tx irq moderation */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
	ew32(TADV, adapter->tx_abs_int_delay);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
	if (adapter->flags2 & FLAG2_DMA_BURST) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
		u32 txdctl = er32(TXDCTL(0));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
		txdctl &= ~(E1000_TXDCTL_PTHRESH | E1000_TXDCTL_HTHRESH |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
			    E1000_TXDCTL_WTHRESH);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
		 * set up some performance related parameters to encourage the
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
		 * hardware to use the bus more efficiently in bursts, depends
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
		 * on the tx_int_delay to be enabled,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		 * wthresh = 5 ==> burst write a cacheline (64 bytes) at a time
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
		 * hthresh = 1 ==> prefetch when one or more available
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
		 * pthresh = 0x1f ==> prefetch if internal cache 31 or less
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
		 * BEWARE: this seems to work but should be considered first if
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
		 * there are tx hangs or other tx related bugs
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
		txdctl |= E1000_TXDCTL_DMA_BURST_ENABLE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
		ew32(TXDCTL(0), txdctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
		/* erratum work around: set txdctl the same for both queues */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
		ew32(TXDCTL(1), txdctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
	/* Program the Transmit Control Register */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
	tctl = er32(TCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
	tctl &= ~E1000_TCTL_CT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
	if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
		tarc = er32(TARC(0));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
		 * set the speed mode bit, we'll clear it if we're not at
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
		 * gigabit link later
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
#define SPEED_MODE_BIT (1 << 21)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
		tarc |= SPEED_MODE_BIT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
		ew32(TARC(0), tarc);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
	/* errata: program both queues to unweighted RR */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
		tarc = er32(TARC(0));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
		tarc |= 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
		ew32(TARC(0), tarc);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
		tarc = er32(TARC(1));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
		tarc |= 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
		ew32(TARC(1), tarc);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	/* Setup Transmit Descriptor Settings for eop descriptor */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	/* only set IDE if we are delaying interrupts using the timers */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	if (adapter->tx_int_delay)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
	/* enable Report Status bit */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
	adapter->txd_cmd |= E1000_TXD_CMD_RS;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
	ew32(TCTL, tctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
	e1000e_config_collision_dist(hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
 * e1000_setup_rctl - configure the receive control registers
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
 * @adapter: Board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
			   (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
static void e1000_setup_rctl(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
	u32 rctl, rfctl;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
	u32 psrctl = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
	u32 pages = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
	/* Workaround Si errata on 82579 - configure jumbo frame flow */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
	if (hw->mac.type == e1000_pch2lan) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
		s32 ret_val;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
		if (adapter->netdev->mtu > ETH_DATA_LEN)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
			ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
		else
f99b2249704c 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, false);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
	/* Program MC offset vector base */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
	rctl = er32(RCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
		(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
	/* Do not Store bad packets */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
	rctl &= ~E1000_RCTL_SBP;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
	/* Enable Long Packet receive */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
		rctl &= ~E1000_RCTL_LPE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
		rctl |= E1000_RCTL_LPE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
	/* Some systems expect that the CRC is included in SMBUS traffic. The
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
	 * hardware strips the CRC before sending to both SMBUS (BMC) and to
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
	 * host memory when this is enabled
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
		rctl |= E1000_RCTL_SECRC;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
	/* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
		u16 phy_data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
		e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
		phy_data &= 0xfff8;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
		phy_data |= (1 << 2);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
		e1e_wphy(hw, PHY_REG(770, 26), phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
		e1e_rphy(hw, 22, &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
		phy_data &= 0x0fff;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
		phy_data |= (1 << 14);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
		e1e_wphy(hw, 0x10, 0x2823);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
		e1e_wphy(hw, 0x11, 0x0003);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
		e1e_wphy(hw, 22, phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
	/* Setup buffer sizes */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	rctl &= ~E1000_RCTL_SZ_4096;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	rctl |= E1000_RCTL_BSEX;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
	switch (adapter->rx_buffer_len) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	case 2048:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
	default:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
		rctl |= E1000_RCTL_SZ_2048;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
		rctl &= ~E1000_RCTL_BSEX;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
	case 4096:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
		rctl |= E1000_RCTL_SZ_4096;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
	case 8192:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
		rctl |= E1000_RCTL_SZ_8192;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
	case 16384:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
		rctl |= E1000_RCTL_SZ_16384;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	 * 82571 and greater support packet-split where the protocol
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	 * header is placed in skb->data and the packet data is
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
	 * In the case of a non-split, skb->data is linearly filled,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
	 * followed by the page buffers.  Therefore, skb->data is
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
	 * sized to hold the largest protocol header.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
	 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
	 * allocations using alloc_page take too long for regular MTU
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
	 * so only enable packet split for jumbo frames
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
	 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
	 * Using pages when the page size is greater than 16k wastes
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	 * a lot of memory, since we allocate 3 pages at all times
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
	 * per packet.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	if (!(adapter->flags & FLAG_HAS_ERT) && (pages <= 3) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	    (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
		adapter->rx_ps_pages = pages;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
		adapter->rx_ps_pages = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	if (adapter->rx_ps_pages) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
		/* Configure extra packet-split registers */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
		rfctl = er32(RFCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
		rfctl |= E1000_RFCTL_EXTEN;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
		 * disable packet split support for IPv6 extension headers,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		 * because some malformed IPv6 headers can hang the Rx
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
			  E1000_RFCTL_NEW_IPV6_EXT_DIS);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
		ew32(RFCTL, rfctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		/* Enable Packet split descriptors */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
		rctl |= E1000_RCTL_DTYP_PS;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
		psrctl |= adapter->rx_ps_bsize0 >>
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
			E1000_PSRCTL_BSIZE0_SHIFT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
		switch (adapter->rx_ps_pages) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
		case 3:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
			psrctl |= PAGE_SIZE <<
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
				E1000_PSRCTL_BSIZE3_SHIFT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
		case 2:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
			psrctl |= PAGE_SIZE <<
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
				E1000_PSRCTL_BSIZE2_SHIFT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		case 1:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
			psrctl |= PAGE_SIZE >>
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
				E1000_PSRCTL_BSIZE1_SHIFT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
		ew32(PSRCTL, psrctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
	ew32(RCTL, rctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	/* just started the receive unit, no need to restart */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	adapter->flags &= ~FLAG_RX_RESTART_NOW;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
 * e1000_configure_rx - Configure Receive Unit after Reset
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
 * Configure the Rx unit of the MAC after a reset.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
static void e1000_configure_rx(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
	struct e1000_ring *rx_ring = adapter->rx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
	u64 rdba;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
	u32 rdlen, rctl, rxcsum, ctrl_ext;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
	if (adapter->rx_ps_pages) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
		/* this is a 32 byte descriptor */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
		rdlen = rx_ring->count *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
			sizeof(union e1000_rx_desc_packet_split);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
		adapter->clean_rx = e1000_clean_rx_irq_ps;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
	} else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
		rdlen = rx_ring->count * sizeof(struct e1000_rx_desc);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
		adapter->clean_rx = e1000_clean_rx_irq;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	/* disable receives while setting up the descriptors */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	rctl = er32(RCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	e1e_flush();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
	msleep(10);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	if (adapter->flags2 & FLAG2_DMA_BURST) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
		 * set the writeback threshold (only takes effect if the RDTR
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
		 * is set). set GRAN=1 and write back up to 0x4 worth, and
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
		 * enable prefetching of 0x20 rx descriptors
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
		 * granularity = 01
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
		 * wthresh = 04,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		 * hthresh = 04,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
		 * pthresh = 0x20
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		ew32(RXDCTL(0), E1000_RXDCTL_DMA_BURST_ENABLE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
		ew32(RXDCTL(1), E1000_RXDCTL_DMA_BURST_ENABLE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
		 * override the delay timers for enabling bursting, only if
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
		 * the value was not set by the user via module options
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
		if (adapter->rx_int_delay == DEFAULT_RDTR)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
			adapter->rx_int_delay = BURST_RDTR;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
		if (adapter->rx_abs_int_delay == DEFAULT_RADV)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
			adapter->rx_abs_int_delay = BURST_RADV;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
	/* set the Receive Delay Timer Register */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
	ew32(RDTR, adapter->rx_int_delay);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
	/* irq moderation */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
	ew32(RADV, adapter->rx_abs_int_delay);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
	if ((adapter->itr_setting != 0) && (adapter->itr != 0))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
		ew32(ITR, 1000000000 / (adapter->itr * 256));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
	ctrl_ext = er32(CTRL_EXT);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
	/* Auto-Mask interrupts upon ICR access */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	ctrl_ext |= E1000_CTRL_EXT_IAME;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
	ew32(IAM, 0xffffffff);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	ew32(CTRL_EXT, ctrl_ext);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
	e1e_flush();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
	 * Setup the HW Rx Head and Tail Descriptor Pointers and
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
	 * the Base and Length of the Rx Descriptor Ring
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
	rdba = rx_ring->dma;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
	ew32(RDBAL, (rdba & DMA_BIT_MASK(32)));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
	ew32(RDBAH, (rdba >> 32));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
	ew32(RDLEN, rdlen);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
	ew32(RDH, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
	ew32(RDT, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
	rx_ring->head = E1000_RDH;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
	rx_ring->tail = E1000_RDT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
	/* Enable Receive Checksum Offload for TCP and UDP */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
	rxcsum = er32(RXCSUM);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
	if (adapter->flags & FLAG_RX_CSUM_ENABLED) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
		rxcsum |= E1000_RXCSUM_TUOFL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
		 * IPv4 payload checksum for UDP fragments must be
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
		 * used in conjunction with packet-split.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
		if (adapter->rx_ps_pages)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
			rxcsum |= E1000_RXCSUM_IPPCSE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
		rxcsum &= ~E1000_RXCSUM_TUOFL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
		/* no need to clear IPPCSE as it defaults to 0 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
	ew32(RXCSUM, rxcsum);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
	 * Enable early receives on supported devices, only takes effect when
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
	 * packet size is equal or larger than the specified value (in 8 byte
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	 * units), e.g. using jumbo frames when setting to E1000_ERT_2048
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
	if ((adapter->flags & FLAG_HAS_ERT) ||
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	    (adapter->hw.mac.type == e1000_pch2lan)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
			u32 rxdctl = er32(RXDCTL(0));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
			ew32(RXDCTL(0), rxdctl | 0x3);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
			if (adapter->flags & FLAG_HAS_ERT)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
				ew32(ERT, E1000_ERT_2048 | (1 << 13));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
			/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
			 * With jumbo frames and early-receive enabled,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
			 * excessive C-state transition latencies result in
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
			 * dropped transactions.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
			 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
			pm_qos_update_request(
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
				&adapter->netdev->pm_qos_req, 55);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
		} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
			pm_qos_update_request(
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
				&adapter->netdev->pm_qos_req,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
				PM_QOS_DEFAULT_VALUE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
	/* Enable Receives */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
	ew32(RCTL, rctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
 *  e1000_update_mc_addr_list - Update Multicast addresses
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
 *  @hw: pointer to the HW structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
 *  @mc_addr_list: array of multicast addresses to program
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
 *  @mc_addr_count: number of multicast addresses to program
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
 *  Updates the Multicast Table Array.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
 *  The caller must have a packed mc_addr_list of multicast addresses.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
static void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
				      u32 mc_addr_count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, mc_addr_count);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
 * e1000_set_multi - Multicast and Promiscuous mode set
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
 * @netdev: network interface device structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
 * The set_multi entry point is called whenever the multicast address
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
 * list or the network interface flags are updated.  This routine is
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
 * responsible for configuring the hardware for proper multicast,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
 * promiscuous mode, and all-multi behavior.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
static void e1000_set_multi(struct net_device *netdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	struct netdev_hw_addr *ha;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
	u8  *mta_list;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
	u32 rctl;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
	int i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
	/* Check for Promiscuous and All Multicast modes */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
	rctl = er32(RCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
	if (netdev->flags & IFF_PROMISC) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
		rctl &= ~E1000_RCTL_VFE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
		if (netdev->flags & IFF_ALLMULTI) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
			rctl |= E1000_RCTL_MPE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
			rctl &= ~E1000_RCTL_UPE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
		} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
			rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
		if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
			rctl |= E1000_RCTL_VFE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	ew32(RCTL, rctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	if (!netdev_mc_empty(netdev)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
		mta_list = kmalloc(netdev_mc_count(netdev) * 6, GFP_ATOMIC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
		if (!mta_list)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
			return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
		/* prepare a packed array of only addresses. */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
		i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
		netdev_for_each_mc_addr(ha, netdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
			memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
		e1000_update_mc_addr_list(hw, mta_list, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
		kfree(mta_list);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
		 * if we're called from probe, we might not have
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
		 * anything to do here, so clear out the list
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
		e1000_update_mc_addr_list(hw, NULL, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
 * e1000_configure - configure the hardware for Rx and Tx
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
 * @adapter: private board structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
static void e1000_configure(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
	e1000_set_multi(adapter->netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
	e1000_restore_vlan(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
	e1000_init_manageability_pt(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
	e1000_configure_tx(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
	e1000_setup_rctl(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	e1000_configure_rx(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
	if (adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
		adapter->alloc_rx_buf(adapter, adapter->rx_ring->count);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
		adapter->alloc_rx_buf(adapter, e1000_desc_unused(adapter->rx_ring));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
 * e1000e_power_up_phy - restore link in case the phy was powered down
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
 * @adapter: address of board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
 * The phy may be powered down to save power and turn off link when the
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
 * driver is unloaded and wake on lan is not enabled (among others)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
 * *** this routine MUST be followed by a call to e1000e_reset ***
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
void e1000e_power_up_phy(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
	if (adapter->hw.phy.ops.power_up)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
		adapter->hw.phy.ops.power_up(&adapter->hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	adapter->hw.mac.ops.setup_link(&adapter->hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
 * e1000_power_down_phy - Power down the PHY
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
 * Power down the PHY so no link is implied when interface is down.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
 * The PHY cannot be powered down if management or WoL is active.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
static void e1000_power_down_phy(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
	/* WoL is enabled */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
	if (adapter->wol)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
	if (adapter->hw.phy.ops.power_down)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
		adapter->hw.phy.ops.power_down(&adapter->hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
 * e1000e_reset - bring the hardware into a known good state
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
 * This function boots the hardware and enables some settings that
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
 * require a configuration cycle of the hardware - those cannot be
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
 * set/changed during runtime. After reset the device needs to be
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
 * properly configured for Rx, Tx etc.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
void e1000e_reset(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
	struct e1000_mac_info *mac = &adapter->hw.mac;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
	struct e1000_fc_info *fc = &adapter->hw.fc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
	u32 tx_space, min_tx_space, min_rx_space;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
	u32 pba = adapter->pba;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
	u16 hwm;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
	/* reset Packet Buffer Allocation to default */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
	ew32(PBA, pba);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
	if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
		 * To maintain wire speed transmits, the Tx FIFO should be
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
		 * large enough to accommodate two full transmit packets,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
		 * the Rx FIFO should be large enough to accommodate at least
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
		 * one full receive packet and is similarly rounded up and
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
		 * expressed in KB.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
		pba = er32(PBA);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
		/* upper 16 bits has Tx packet buffer allocation size in KB */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
		tx_space = pba >> 16;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
		/* lower 16 bits has Rx packet buffer allocation size in KB */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
		pba &= 0xffff;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
		 * the Tx fifo also stores 16 bytes of information about the tx
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
		 * but don't include ethernet FCS because hardware appends it
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
		min_tx_space = (adapter->max_frame_size +
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
				sizeof(struct e1000_tx_desc) -
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
				ETH_FCS_LEN) * 2;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
		min_tx_space = ALIGN(min_tx_space, 1024);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
		min_tx_space >>= 10;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
		/* software strips receive CRC, so leave room for it */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
		min_rx_space = adapter->max_frame_size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
		min_rx_space = ALIGN(min_rx_space, 1024);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
		min_rx_space >>= 10;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
		 * If current Tx allocation is less than the min Tx FIFO size,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
		 * and the min Tx FIFO size is less than the current Rx FIFO
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
		 * allocation, take space away from current Rx allocation
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
		if ((tx_space < min_tx_space) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
		    ((min_tx_space - tx_space) < pba)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
			pba -= min_tx_space - tx_space;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
			/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
			 * if short on Rx space, Rx wins and must trump tx
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
			 * adjustment or use Early Receive if available
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
			 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
			if ((pba < min_rx_space) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
			    (!(adapter->flags & FLAG_HAS_ERT)))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
				/* ERT enabled in e1000_configure_rx */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
				pba = min_rx_space;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
		ew32(PBA, pba);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
	 * flow control settings
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
	 * The high water mark must be low enough to fit one full frame
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
	 * (or the size used for early receive) above it in the Rx FIFO.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
	 * Set it to the lower of:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
	 * - 90% of the Rx FIFO size, and
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
	 * - the full Rx FIFO size minus the early receive size (for parts
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
	 * - the full Rx FIFO size minus one full frame
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
		fc->pause_time = 0xFFFF;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
		fc->pause_time = E1000_FC_PAUSE_TIME;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
	fc->send_xon = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	fc->current_mode = fc->requested_mode;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	switch (hw->mac.type) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	default:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
		if ((adapter->flags & FLAG_HAS_ERT) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
		    (adapter->netdev->mtu > ETH_DATA_LEN))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
			hwm = min(((pba << 10) * 9 / 10),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
				  ((pba << 10) - (E1000_ERT_2048 << 3)));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
		else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
			hwm = min(((pba << 10) * 9 / 10),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
				  ((pba << 10) - adapter->max_frame_size));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
		fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
		fc->low_water = fc->high_water - 8;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
	case e1000_pchlan:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
		 * Workaround PCH LOM adapter hangs with certain network
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
		 * loads.  If hangs persist, try disabling Tx flow control.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
			fc->high_water = 0x3500;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
			fc->low_water  = 0x1500;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
		} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
			fc->high_water = 0x5000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
			fc->low_water  = 0x3000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
		fc->refresh_time = 0x1000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
	case e1000_pch2lan:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
		fc->high_water = 0x05C20;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
		fc->low_water = 0x05048;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
		fc->pause_time = 0x0650;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
		fc->refresh_time = 0x0400;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
			pba = 14;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
			ew32(PBA, pba);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
	 * Disable Adaptive Interrupt Moderation if 2 full packets cannot
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
	 * fit in receive buffer and early-receive not supported.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
	if (adapter->itr_setting & 0x3) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
		if (((adapter->max_frame_size * 2) > (pba << 10)) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
		    !(adapter->flags & FLAG_HAS_ERT)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
			if (!(adapter->flags2 & FLAG2_DISABLE_AIM)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
				dev_info(&adapter->pdev->dev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
					"Interrupt Throttle Rate turned off\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
				adapter->flags2 |= FLAG2_DISABLE_AIM;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
				ew32(ITR, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
		} else if (adapter->flags2 & FLAG2_DISABLE_AIM) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
			dev_info(&adapter->pdev->dev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
				 "Interrupt Throttle Rate turned on\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
			adapter->flags2 &= ~FLAG2_DISABLE_AIM;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
			adapter->itr = 20000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
			ew32(ITR, 1000000000 / (adapter->itr * 256));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	/* Allow time for pending master requests to run */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	mac->ops.reset_hw(hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	 * For parts with AMT enabled, let the firmware know
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	 * that the network interface is in control
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	if (adapter->flags & FLAG_HAS_AMT)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
		e1000_get_hw_control(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	ew32(WUC, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
	if (mac->ops.init_hw(hw))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
		e_err("Hardware Error\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	e1000_update_mng_vlan(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
	ew32(VET, ETH_P_8021Q);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
	e1000e_reset_adaptive(hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
	e1000_get_phy_info(hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
	    !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
		u16 phy_data = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
		 * speed up time to link by disabling smart power down, ignore
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
		 * the return value of this function because there is nothing
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
		 * different we would do if it failed
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
		e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
		phy_data &= ~IGP02E1000_PM_SPD;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
		e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
int e1000e_up(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
	/* hardware has been reset, we need to reload some things */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	e1000_configure(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
	clear_bit(__E1000_DOWN, &adapter->state);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
	if (!adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
		napi_enable(&adapter->napi);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
	if (adapter->msix_entries)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
		e1000_configure_msix(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
	if (!adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
		e1000_irq_enable(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
		netif_wake_queue(adapter->netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
		/* fire a link change interrupt to start the watchdog */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
		if (adapter->msix_entries)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
			ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
		else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
			ew32(ICS, E1000_ICS_LSC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
void e1000e_down(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
	u32 tctl, rctl;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
	 * signal that we're down so the interrupt handler does not
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	 * reschedule our watchdog timer
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	set_bit(__E1000_DOWN, &adapter->state);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
	/* disable receives in the hardware */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	rctl = er32(RCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	ew32(RCTL, rctl & ~E1000_RCTL_EN);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	/* flush and sleep below */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	if (!adapter->ecdev) 
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
		netif_stop_queue(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	/* disable transmits in the hardware */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
	tctl = er32(TCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
	tctl &= ~E1000_TCTL_EN;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
	ew32(TCTL, tctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
	/* flush both disables and wait for them to finish */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	e1e_flush();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
	msleep(10);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
	if (!adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
		napi_disable(&adapter->napi);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
		e1000_irq_disable(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
		del_timer_sync(&adapter->watchdog_timer);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
		del_timer_sync(&adapter->phy_info_timer);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
	if (adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
		ecdev_set_link(adapter->ecdev, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
		netif_carrier_off(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	adapter->link_speed = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	adapter->link_duplex = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
	if (!pci_channel_offline(adapter->pdev))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
		e1000e_reset(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
	e1000_clean_tx_ring(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
	e1000_clean_rx_ring(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
	 * TODO: for power management, we could drop the link and
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
	 * pci_disable_device here.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
void e1000e_reinit_locked(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	might_sleep();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
		msleep(1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	e1000e_down(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
	e1000e_up(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
	clear_bit(__E1000_RESETTING, &adapter->state);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
 * @adapter: board private structure to initialize
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
 * e1000_sw_init initializes the Adapter private data structure.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
 * Fields are initialized based on PCI device information and
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
 * OS network device settings (MTU size).
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
	adapter->rx_ps_bsize0 = 128;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	e1000e_set_interrupt_capability(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	if (e1000_alloc_queues(adapter))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
		return -ENOMEM;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	/* Explicitly disable IRQ since the NIC can be in any state. */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	e1000_irq_disable(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
	set_bit(__E1000_DOWN, &adapter->state);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
 * e1000_intr_msi_test - Interrupt Handler
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
 * @irq: interrupt number
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
 * @data: pointer to a network interface device structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
static irqreturn_t e1000_intr_msi_test(int irq, void *data)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	struct net_device *netdev = data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	u32 icr = er32(ICR);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	e_dbg("icr is %08X\n", icr);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	if (icr & E1000_ICR_RXSEQ) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
		wmb();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
	return IRQ_HANDLED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
 * e1000_test_msi_interrupt - Returns 0 for successful test
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
 * @adapter: board private struct
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
 * code flow taken from tg3.c
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
	int err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	/* poll_enable hasn't been called yet, so don't need disable */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
	/* clear any pending events */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
	er32(ICR);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
	/* free the real vector and request a test handler */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
	e1000_free_irq(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
	e1000e_reset_interrupt_capability(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
	/* Assume that the test fails, if it succeeds then the test
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
	 * MSI irq handler will unset this flag */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
	adapter->flags |= FLAG_MSI_TEST_FAILED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	err = pci_enable_msi(adapter->pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
		goto msi_test_failed;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
			  netdev->name, netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	if (err) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
		pci_disable_msi(adapter->pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
		goto msi_test_failed;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
	wmb();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
	e1000_irq_enable(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
	/* fire an unusual interrupt on the test handler */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
	ew32(ICS, E1000_ICS_RXSEQ);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	e1e_flush();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	msleep(50);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	e1000_irq_disable(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	rmb();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
		e_info("MSI interrupt test failed, using legacy interrupt.\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
	} else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
		e_dbg("MSI interrupt test succeeded!\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
	free_irq(adapter->pdev->irq, netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
	pci_disable_msi(adapter->pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
msi_test_failed:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
	e1000e_set_interrupt_capability(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
	return e1000_request_irq(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
 * e1000_test_msi - Returns 0 if MSI test succeeds or INTx mode is restored
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
 * @adapter: board private struct
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
 * code flow taken from tg3.c, called with e1000 interrupts disabled.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
static int e1000_test_msi(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
	int err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
	u16 pci_cmd;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
	if (!(adapter->flags & FLAG_MSI_ENABLED))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
		return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
	/* disable SERR in case the MSI write causes a master abort */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
	if (pci_cmd & PCI_COMMAND_SERR)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
		pci_write_config_word(adapter->pdev, PCI_COMMAND,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
				      pci_cmd & ~PCI_COMMAND_SERR);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
	err = e1000_test_msi_interrupt(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
	/* re-enable SERR */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
	if (pci_cmd & PCI_COMMAND_SERR) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
		pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
		pci_cmd |= PCI_COMMAND_SERR;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
		pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
	return err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
 * e1000_open - Called when a network interface is made active
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
 * @netdev: network interface device structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
 * Returns 0 on success, negative value on failure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
 * The open entry point is called when a network interface is made
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
 * active by the system (IFF_UP).  At this point all resources needed
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
 * for transmit and receive operations are allocated, the interrupt
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
 * handler is registered with the OS, the watchdog timer is started,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
 * and the stack is notified that the interface is ready.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
static int e1000_open(struct net_device *netdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	int err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	/* disallow open during test */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
	if (test_bit(__E1000_TESTING, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
		return -EBUSY;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
	pm_runtime_get_sync(&pdev->dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
	if (adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
		ecdev_set_link(adapter->ecdev, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
		netif_carrier_off(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	/* allocate transmit descriptors */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	err = e1000e_setup_tx_resources(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
		goto err_setup_tx;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
	/* allocate receive descriptors */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	err = e1000e_setup_rx_resources(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
		goto err_setup_rx;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	 * If AMT is enabled, let the firmware know that the network
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
	 * interface is now open and reset the part to a known state.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
	if (adapter->flags & FLAG_HAS_AMT) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
		e1000_get_hw_control(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
		e1000e_reset(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
	e1000e_power_up_phy(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
	if ((adapter->hw.mng_cookie.status &
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
		e1000_update_mng_vlan(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
	/* DMA latency requirement to workaround early-receive/jumbo issue */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	if ((adapter->flags & FLAG_HAS_ERT) ||
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
	    (adapter->hw.mac.type == e1000_pch2lan))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
		pm_qos_add_request(&adapter->netdev->pm_qos_req,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
				   PM_QOS_CPU_DMA_LATENCY,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
				   PM_QOS_DEFAULT_VALUE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	 * before we allocate an interrupt, we must be ready to handle it.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
	 * as soon as we call pci_request_irq, so we have to setup our
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
	 * clean_rx handler before we do so.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
	e1000_configure(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
	err = e1000_request_irq(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
		goto err_req_irq;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	 * Work around PCIe errata with MSI interrupts causing some chipsets to
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	 * ignore e1000e MSI messages, which means we need to test our MSI
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
	 * interrupt now
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
	if (adapter->int_mode != E1000E_INT_MODE_LEGACY) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
		err = e1000_test_msi(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
		if (err) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
			e_err("Interrupt allocation failed\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
			goto err_req_irq;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	/* From here on the code is the same as e1000e_up() */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
	clear_bit(__E1000_DOWN, &adapter->state);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
	if (!adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
		napi_enable(&adapter->napi);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
		e1000_irq_enable(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
		netif_start_queue(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
		adapter->idle_check = true;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
		pm_runtime_put(&pdev->dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
		/* fire a link status change interrupt to start the watchdog */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
		if (adapter->msix_entries)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
			ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
		else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
			ew32(ICS, E1000_ICS_LSC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
err_req_irq:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
	e1000_release_hw_control(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
	e1000_power_down_phy(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
	e1000e_free_rx_resources(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
err_setup_rx:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	e1000e_free_tx_resources(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
err_setup_tx:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
	e1000e_reset(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
	pm_runtime_put_sync(&pdev->dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
	return err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
 * e1000_close - Disables a network interface
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
 * @netdev: network interface device structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
 * Returns 0, this is not allowed to fail
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
 * The close entry point is called when an interface is de-activated
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
 * by the OS.  The hardware is still under the drivers control, but
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
 * needs to be disabled.  A global MAC reset is issued to stop the
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
 * hardware, and all transmit and receive resources are freed.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
static int e1000_close(struct net_device *netdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
	pm_runtime_get_sync(&pdev->dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
	if (!test_bit(__E1000_DOWN, &adapter->state)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
		e1000e_down(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
		e1000_free_irq(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
	e1000_power_down_phy(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	e1000e_free_tx_resources(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
	e1000e_free_rx_resources(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
	 * kill manageability vlan ID if supported, but not if a vlan with
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
	 * the same ID is registered on the host OS (let 8021q kill it)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
	if ((adapter->hw.mng_cookie.status &
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
			  E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
	     !(adapter->vlgrp &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
	       vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id)))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
	 * If AMT is enabled, let the firmware know that the network
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	 * interface is now closed
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	if (adapter->flags & FLAG_HAS_AMT)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
		e1000_release_hw_control(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
	if ((adapter->flags & FLAG_HAS_ERT) ||
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
	    (adapter->hw.mac.type == e1000_pch2lan))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
		pm_qos_remove_request(&adapter->netdev->pm_qos_req);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
	pm_runtime_put_sync(&pdev->dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
 * e1000_set_mac - Change the Ethernet Address of the NIC
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
 * @netdev: network interface device structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
 * @p: pointer to an address structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
 * Returns 0 on success, negative on failure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
static int e1000_set_mac(struct net_device *netdev, void *p)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
	struct sockaddr *addr = p;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
	if (!is_valid_ether_addr(addr->sa_data))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
		return -EADDRNOTAVAIL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
	memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
	e1000e_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
		/* activate the work around */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
		e1000e_set_laa_state_82571(&adapter->hw, 1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
		 * Hold a copy of the LAA in RAR[14] This is done so that
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
		 * between the time RAR[0] gets clobbered  and the time it
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
		 * of the RARs and no incoming packets directed to this port
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
		 * are dropped. Eventually the LAA will be in RAR[0] and
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
		 * RAR[14]
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
		e1000e_rar_set(&adapter->hw,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
			      adapter->hw.mac.addr,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
			      adapter->hw.mac.rar_entry_count - 1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
 * e1000e_update_phy_task - work thread to update phy
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
 * @work: pointer to our work struct
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
 * this worker thread exists because we must acquire a
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
 * semaphore to read the phy, which we could msleep while
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
 * waiting for it, and we can't msleep in a timer.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
static void e1000e_update_phy_task(struct work_struct *work)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
	struct e1000_adapter *adapter = container_of(work,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
					struct e1000_adapter, update_phy_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
	e1000_get_phy_info(&adapter->hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
 * Need to wait a few seconds after link up to get diagnostic information from
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
 * the phy
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
static void e1000_update_phy_info(unsigned long data)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
	schedule_work(&adapter->update_phy_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
 * e1000e_update_phy_stats - Update the PHY statistics counters
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
static void e1000e_update_phy_stats(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
	s32 ret_val;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	u16 phy_data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	ret_val = hw->phy.ops.acquire(hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
	if (ret_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	hw->phy.addr = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
#define HV_PHY_STATS_PAGE	778
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	 * A page set is expensive so check if already on desired page.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	 * If not, set to the page with the PHY status registers.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
	ret_val = e1000e_read_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
					   &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	if (ret_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
		goto release;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
	if (phy_data != (HV_PHY_STATS_PAGE << IGP_PAGE_SHIFT)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
		ret_val = e1000e_write_phy_reg_mdic(hw,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
						    IGP01E1000_PHY_PAGE_SELECT,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
						    (HV_PHY_STATS_PAGE <<
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
						     IGP_PAGE_SHIFT));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
		if (ret_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
			goto release;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
	/* Read/clear the upper 16-bit registers and read/accumulate lower */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
	/* Single Collision Count */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
	e1000e_read_phy_reg_mdic(hw, HV_SCC_UPPER & MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
				 &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
	ret_val = e1000e_read_phy_reg_mdic(hw,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
					   HV_SCC_LOWER & MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
					   &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
	if (!ret_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
		adapter->stats.scc += phy_data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
	/* Excessive Collision Count */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
	e1000e_read_phy_reg_mdic(hw, HV_ECOL_UPPER & MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
				 &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
	ret_val = e1000e_read_phy_reg_mdic(hw,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
					   HV_ECOL_LOWER & MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
					   &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
	if (!ret_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
		adapter->stats.ecol += phy_data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
	/* Multiple Collision Count */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
	e1000e_read_phy_reg_mdic(hw, HV_MCC_UPPER & MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
				 &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
	ret_val = e1000e_read_phy_reg_mdic(hw,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
					   HV_MCC_LOWER & MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
					   &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
	if (!ret_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
		adapter->stats.mcc += phy_data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
	/* Late Collision Count */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
	e1000e_read_phy_reg_mdic(hw, HV_LATECOL_UPPER & MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
				 &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
	ret_val = e1000e_read_phy_reg_mdic(hw,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
					   HV_LATECOL_LOWER &
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
					   MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
					   &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
	if (!ret_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
		adapter->stats.latecol += phy_data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
	/* Collision Count - also used for adaptive IFS */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
	e1000e_read_phy_reg_mdic(hw, HV_COLC_UPPER & MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
				 &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
	ret_val = e1000e_read_phy_reg_mdic(hw,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
					   HV_COLC_LOWER & MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
					   &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
	if (!ret_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
		hw->mac.collision_delta = phy_data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
	/* Defer Count */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	e1000e_read_phy_reg_mdic(hw, HV_DC_UPPER & MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
				 &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
	ret_val = e1000e_read_phy_reg_mdic(hw,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
					   HV_DC_LOWER & MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
					   &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
	if (!ret_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
		adapter->stats.dc += phy_data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
	/* Transmit with no CRS */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
	e1000e_read_phy_reg_mdic(hw, HV_TNCRS_UPPER & MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
				 &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
	ret_val = e1000e_read_phy_reg_mdic(hw,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
					   HV_TNCRS_LOWER & MAX_PHY_REG_ADDRESS,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
					   &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	if (!ret_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
		adapter->stats.tncrs += phy_data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
release:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
	hw->phy.ops.release(hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
 * e1000e_update_stats - Update the board statistics counters
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
void e1000e_update_stats(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
	 * Prevent stats update while adapter is being reset, or if the pci
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
	 * connection is down.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
	if (adapter->link_speed == 0)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
	if (pci_channel_offline(pdev))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
	adapter->stats.crcerrs += er32(CRCERRS);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
	adapter->stats.gprc += er32(GPRC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
	adapter->stats.gorc += er32(GORCL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	er32(GORCH); /* Clear gorc */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
	adapter->stats.bprc += er32(BPRC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
	adapter->stats.mprc += er32(MPRC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
	adapter->stats.roc += er32(ROC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
	adapter->stats.mpc += er32(MPC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
	/* Half-duplex statistics */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
	if (adapter->link_duplex == HALF_DUPLEX) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
		if (adapter->flags2 & FLAG2_HAS_PHY_STATS) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
			e1000e_update_phy_stats(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
		} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
			adapter->stats.scc += er32(SCC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
			adapter->stats.ecol += er32(ECOL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
			adapter->stats.mcc += er32(MCC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
			adapter->stats.latecol += er32(LATECOL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
			adapter->stats.dc += er32(DC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
			hw->mac.collision_delta = er32(COLC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
			if ((hw->mac.type != e1000_82574) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
			    (hw->mac.type != e1000_82583))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
				adapter->stats.tncrs += er32(TNCRS);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
		adapter->stats.colc += hw->mac.collision_delta;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
	adapter->stats.xonrxc += er32(XONRXC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
	adapter->stats.xontxc += er32(XONTXC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
	adapter->stats.xoffrxc += er32(XOFFRXC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
	adapter->stats.xofftxc += er32(XOFFTXC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
	adapter->stats.gptc += er32(GPTC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
	adapter->stats.gotc += er32(GOTCL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
	er32(GOTCH); /* Clear gotc */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
	adapter->stats.rnbc += er32(RNBC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
	adapter->stats.ruc += er32(RUC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
	adapter->stats.mptc += er32(MPTC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
	adapter->stats.bptc += er32(BPTC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
	/* used for adaptive IFS */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
	hw->mac.tx_packet_delta = er32(TPT);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
	adapter->stats.tpt += hw->mac.tx_packet_delta;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
	adapter->stats.algnerrc += er32(ALGNERRC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
	adapter->stats.rxerrc += er32(RXERRC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
	adapter->stats.cexterr += er32(CEXTERR);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
	adapter->stats.tsctc += er32(TSCTC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
	adapter->stats.tsctfc += er32(TSCTFC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
	/* Fill out the OS statistics structure */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
	netdev->stats.multicast = adapter->stats.mprc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
	netdev->stats.collisions = adapter->stats.colc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
	/* Rx Errors */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
	 * RLEC on some newer hardware can be incorrect so build
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
	 * our own version based on RUC and ROC
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
	netdev->stats.rx_errors = adapter->stats.rxerrc +
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
		adapter->stats.crcerrs + adapter->stats.algnerrc +
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
		adapter->stats.ruc + adapter->stats.roc +
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
		adapter->stats.cexterr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
	netdev->stats.rx_length_errors = adapter->stats.ruc +
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
					      adapter->stats.roc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
	/* Tx Errors */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
	netdev->stats.tx_errors = adapter->stats.ecol +
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
				       adapter->stats.latecol;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
	netdev->stats.tx_window_errors = adapter->stats.latecol;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
	/* Tx Dropped needs to be maintained elsewhere */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
	/* Management Stats */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
	adapter->stats.mgptc += er32(MGTPTC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
	adapter->stats.mgprc += er32(MGTPRC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
	adapter->stats.mgpdc += er32(MGTPDC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
 * e1000_phy_read_status - Update the PHY register status snapshot
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
 * @adapter: board private structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
static void e1000_phy_read_status(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
	struct e1000_phy_regs *phy = &adapter->phy_regs;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
	int ret_val;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
	if ((er32(STATUS) & E1000_STATUS_LU) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
	    (adapter->hw.phy.media_type == e1000_media_type_copper)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
		ret_val  = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
		ret_val |= e1e_rphy(hw, PHY_STATUS, &phy->bmsr);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
		ret_val |= e1e_rphy(hw, PHY_LP_ABILITY, &phy->lpa);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_EXP, &phy->expansion);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
		ret_val |= e1e_rphy(hw, PHY_1000T_CTRL, &phy->ctrl1000);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
		ret_val |= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
		ret_val |= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
		if (ret_val)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
			e_warn("Error reading PHY register\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
		 * Do not read PHY registers if link is not up
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
		 * Set values to typical power-on defaults
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
		phy->bmcr = (BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_FULLDPLX);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
		phy->bmsr = (BMSR_100FULL | BMSR_100HALF | BMSR_10FULL |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
			     BMSR_10HALF | BMSR_ESTATEN | BMSR_ANEGCAPABLE |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
			     BMSR_ERCAP);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
		phy->advertise = (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
				  ADVERTISE_ALL | ADVERTISE_CSMA);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
		phy->lpa = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
		phy->expansion = EXPANSION_ENABLENPAGE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
		phy->ctrl1000 = ADVERTISE_1000FULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
		phy->stat1000 = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
		phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
static void e1000_print_link_info(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
	u32 ctrl = er32(CTRL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
	/* Link status message must follow this format for user tools */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
	printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s, "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
	       "Flow Control: %s\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
	       adapter->netdev->name,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
	       adapter->link_speed,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
	       (adapter->link_duplex == FULL_DUPLEX) ?
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
	                        "Full Duplex" : "Half Duplex",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
	       ((ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE)) ?
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
	                        "RX/TX" :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
	       ((ctrl & E1000_CTRL_RFCE) ? "RX" :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
	       ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
static bool e1000e_has_link(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
	bool link_active = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	s32 ret_val = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	 * get_link_status is set on LSC (link status) interrupt or
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	 * Rx sequence error interrupt.  get_link_status will stay
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
	 * false until the check_for_link establishes link
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	 * for copper adapters ONLY
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
	switch (hw->phy.media_type) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
	case e1000_media_type_copper:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
		if (hw->mac.get_link_status) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
			ret_val = hw->mac.ops.check_for_link(hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
			link_active = !hw->mac.get_link_status;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
		} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
			link_active = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
	case e1000_media_type_fiber:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
		ret_val = hw->mac.ops.check_for_link(hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
	case e1000_media_type_internal_serdes:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
		ret_val = hw->mac.ops.check_for_link(hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
		link_active = adapter->hw.mac.serdes_has_link;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
	default:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
	case e1000_media_type_unknown:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
	if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
		/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
		e_info("Gigabit has been disabled, downgrading speed\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
	return link_active;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
static void e1000e_enable_receives(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
	/* make sure the receive unit is started */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
	    (adapter->flags & FLAG_RX_RESTART_NOW)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
		struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
		u32 rctl = er32(RCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		ew32(RCTL, rctl | E1000_RCTL_EN);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
		adapter->flags &= ~FLAG_RX_RESTART_NOW;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
static void e1000e_check_82574_phy_workaround(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
	 * With 82574 controllers, PHY needs to be checked periodically
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
	 * for hung state and reset, if two calls return true
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
	if (e1000_check_phy_82574(hw))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
		adapter->phy_hang_count++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
		adapter->phy_hang_count = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
	if (adapter->phy_hang_count > 1) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
		adapter->phy_hang_count = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
		schedule_work(&adapter->reset_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
 * e1000_watchdog - Timer Call-back
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
 * @data: pointer to adapter cast into an unsigned long
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
static void e1000_watchdog(unsigned long data)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
	/* Do the rest outside of interrupt context */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
	schedule_work(&adapter->watchdog_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
	/* TODO: make this use queue_delayed_work() */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
static void e1000_watchdog_task(struct work_struct *work)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	struct e1000_adapter *adapter = container_of(work,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
					struct e1000_adapter, watchdog_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
	struct e1000_mac_info *mac = &adapter->hw.mac;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
	struct e1000_phy_info *phy = &adapter->hw.phy;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
	u32 link, tctl;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
	int tx_pending = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
	link = e1000e_has_link(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
	if ((adapter->ecdev && (ecdev_get_link(adapter->ecdev)) && link)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
			|| (!adapter->ecdev && (netif_carrier_ok(netdev)) && link)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
		if (!adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
			/* Cancel scheduled suspend requests. */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
			pm_runtime_resume(netdev->dev.parent);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
		e1000e_enable_receives(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
		goto link_up;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
	    (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
		e1000_update_mng_vlan(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
	if (link) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev)) 
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
			bool txb2b = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
			/* Cancel scheduled suspend requests. */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
			pm_runtime_resume(netdev->dev.parent);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
			/* update snapshot of PHY registers on LSC */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
			e1000_phy_read_status(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
			mac->ops.get_link_up_info(&adapter->hw,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
						   &adapter->link_speed,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
						   &adapter->link_duplex);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
			e1000_print_link_info(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
			/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
			 * On supported PHYs, check for duplex mismatch only
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
			 * if link has autonegotiated at 10/100 half
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
			 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
			if ((hw->phy.type == e1000_phy_igp_3 ||
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
			     hw->phy.type == e1000_phy_bm) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
			    (hw->mac.autoneg == true) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
			    (adapter->link_speed == SPEED_10 ||
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
			     adapter->link_speed == SPEED_100) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
			    (adapter->link_duplex == HALF_DUPLEX)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
				u16 autoneg_exp;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
				e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
				if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
					e_info("Autonegotiated half duplex but"
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
					       " link partner cannot autoneg. "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
					       " Try forcing full duplex if "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
					       "link gets many collisions.\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
			/* adjust timeout factor according to speed/duplex */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
			adapter->tx_timeout_factor = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
			switch (adapter->link_speed) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
			case SPEED_10:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
				txb2b = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
				adapter->tx_timeout_factor = 16;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
				break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
			case SPEED_100:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
				txb2b = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
				adapter->tx_timeout_factor = 10;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
				break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
			/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
			 * workaround: re-program speed mode bit after
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
			 * link-up event
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
			 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
			if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
			    !txb2b) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
				u32 tarc0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
				tarc0 = er32(TARC(0));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
				tarc0 &= ~SPEED_MODE_BIT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
				ew32(TARC(0), tarc0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
			/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
			 * disable TSO for pcie and 10/100 speeds, to avoid
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
			 * some hardware issues
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
			 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
			if (!(adapter->flags & FLAG_TSO_FORCE)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
				switch (adapter->link_speed) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
				case SPEED_10:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
				case SPEED_100:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
					e_info("10/100 speed: disabling TSO\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
					netdev->features &= ~NETIF_F_TSO;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
					netdev->features &= ~NETIF_F_TSO6;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
					break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
				case SPEED_1000:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
					netdev->features |= NETIF_F_TSO;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
					netdev->features |= NETIF_F_TSO6;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
					break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
				default:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
					/* oops */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
					break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
				}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
			/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
			 * enable transmits in the hardware, need to do this
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
			 * after setting TARC(0)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
			 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
			tctl = er32(TCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
			tctl |= E1000_TCTL_EN;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
			ew32(TCTL, tctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
                        /*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
			 * Perform any post-link-up configuration before
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
			 * reporting link up.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
			 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
			if (phy->ops.cfg_on_link_up)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
				phy->ops.cfg_on_link_up(hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
			if (adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
				ecdev_set_link(adapter->ecdev, 1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
			else 
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
				netif_carrier_on(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
			if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
				mod_timer(&adapter->phy_info_timer,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
					  round_jiffies(jiffies + 2 * HZ));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev)) 
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
			adapter->link_speed = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
			adapter->link_duplex = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
			/* Link status message must follow this format */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
			printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
			       adapter->netdev->name);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
			if (adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
				ecdev_set_link(adapter->ecdev, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
			else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
				netif_carrier_off(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
			if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
				mod_timer(&adapter->phy_info_timer,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
					  round_jiffies(jiffies + 2 * HZ));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
			if (adapter->flags & FLAG_RX_NEEDS_RESTART)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
				schedule_work(&adapter->reset_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
			else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
				pm_schedule_suspend(netdev->dev.parent,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
							LINK_TIMEOUT);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
link_up:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
	e1000e_update_stats(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
	mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
	adapter->tpt_old = adapter->stats.tpt;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
	mac->collision_delta = adapter->stats.colc - adapter->colc_old;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
	adapter->colc_old = adapter->stats.colc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
	adapter->gorc_old = adapter->stats.gorc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
	adapter->gotc_old = adapter->stats.gotc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
	e1000e_update_adaptive(&adapter->hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
	if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev)) 
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
			|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
		tx_pending = (e1000_desc_unused(tx_ring) + 1 <
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
			       tx_ring->count);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
		if (tx_pending) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
			/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
			 * We've lost link, so the controller stops DMA,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
			 * but we've got queued Tx work that's never going
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
			 * to get done, so reset controller to flush Tx.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
			 * (Do the reset outside of interrupt context).
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
			 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
			adapter->tx_timeout_count++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
			schedule_work(&adapter->reset_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
			/* return immediately since reset is imminent */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
			return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
	/* Simple mode for Interrupt Throttle Rate (ITR) */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
	if (adapter->itr_setting == 4) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
		 * Symmetric Tx/Rx gets a reduced ITR=2000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
		 * Total asymmetrical Tx or Rx gets ITR=8000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
		 * everyone else is between 2000-8000.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
		u32 goc = (adapter->gotc + adapter->gorc) / 10000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
		u32 dif = (adapter->gotc > adapter->gorc ?
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
			    adapter->gotc - adapter->gorc :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
			    adapter->gorc - adapter->gotc) / 10000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
		ew32(ITR, 1000000000 / (itr * 256));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
	/* Cause software interrupt to ensure Rx ring is cleaned */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
	if (adapter->msix_entries)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
		ew32(ICS, adapter->rx_ring->ims_val);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
		ew32(ICS, E1000_ICS_RXDMT0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
	/* Force detection of hung controller every watchdog period */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
	adapter->detect_tx_hung = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
	/* flush partial descriptors to memory before detecting tx hang */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
	if (adapter->flags2 & FLAG2_DMA_BURST) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
		ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
		ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
		 * no need to flush the writes because the timeout code does
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
		 * an er32 first thing
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
	 * With 82571 controllers, LAA may be overwritten due to controller
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
	 * reset from the other port. Set the appropriate LAA in RAR[0]
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
	if (e1000e_get_laa_state_82571(hw))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
		e1000e_rar_set(hw, adapter->hw.mac.addr, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
	if (adapter->flags2 & FLAG2_CHECK_PHY_HANG)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
		e1000e_check_82574_phy_workaround(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
	/* Reset the timer */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
	if (!adapter->ecdev && !test_bit(__E1000_DOWN, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
		mod_timer(&adapter->watchdog_timer,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
			  round_jiffies(jiffies + 2 * HZ));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
#define E1000_TX_FLAGS_CSUM		0x00000001
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
#define E1000_TX_FLAGS_VLAN		0x00000002
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
#define E1000_TX_FLAGS_TSO		0x00000004
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
#define E1000_TX_FLAGS_IPV4		0x00000008
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
#define E1000_TX_FLAGS_VLAN_SHIFT	16
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
static int e1000_tso(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
		     struct sk_buff *skb)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
	struct e1000_context_desc *context_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
	struct e1000_buffer *buffer_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
	unsigned int i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
	u32 cmd_length = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
	u16 ipcse = 0, tucse, mss;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
	int err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
	if (!skb_is_gso(skb))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
		return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
	if (skb_header_cloned(skb)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
		err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
		if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
			return err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
	mss = skb_shinfo(skb)->gso_size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
	if (skb->protocol == htons(ETH_P_IP)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
		struct iphdr *iph = ip_hdr(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
		iph->tot_len = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
		iph->check = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
		tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
		                                         0, IPPROTO_TCP, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
		cmd_length = E1000_TXD_CMD_IP;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
		ipcse = skb_transport_offset(skb) - 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
	} else if (skb_is_gso_v6(skb)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
		ipv6_hdr(skb)->payload_len = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
		                                       &ipv6_hdr(skb)->daddr,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
		                                       0, IPPROTO_TCP, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
		ipcse = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
	ipcss = skb_network_offset(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	tucss = skb_transport_offset(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
	tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
	tucse = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
	cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
	               E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
	i = tx_ring->next_to_use;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
	buffer_info = &tx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
	context_desc->lower_setup.ip_fields.ipcss  = ipcss;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
	context_desc->lower_setup.ip_fields.ipcso  = ipcso;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
	context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
	context_desc->upper_setup.tcp_fields.tucss = tucss;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
	context_desc->upper_setup.tcp_fields.tucso = tucso;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
	context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
	context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
	buffer_info->time_stamp = jiffies;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
	buffer_info->next_to_watch = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
	i++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
	if (i == tx_ring->count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
		i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
	tx_ring->next_to_use = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
	return 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
	struct e1000_context_desc *context_desc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
	struct e1000_buffer *buffer_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
	unsigned int i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
	u8 css;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
	u32 cmd_len = E1000_TXD_CMD_DEXT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
	__be16 protocol;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
	if (skb->ip_summed != CHECKSUM_PARTIAL)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
		return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
		protocol = skb->protocol;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
	switch (protocol) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
	case cpu_to_be16(ETH_P_IP):
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
			cmd_len |= E1000_TXD_CMD_TCP;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
	case cpu_to_be16(ETH_P_IPV6):
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
		/* XXX not handling all IPV6 headers */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
			cmd_len |= E1000_TXD_CMD_TCP;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	default:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
		if (unlikely(net_ratelimit()))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
			e_warn("checksum_partial proto=%x!\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
			       be16_to_cpu(protocol));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	css = skb_transport_offset(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
	i = tx_ring->next_to_use;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
	buffer_info = &tx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	context_desc->lower_setup.ip_config = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	context_desc->upper_setup.tcp_fields.tucss = css;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	context_desc->upper_setup.tcp_fields.tucso =
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
				css + skb->csum_offset;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
	context_desc->upper_setup.tcp_fields.tucse = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
	context_desc->tcp_seg_setup.data = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
	buffer_info->time_stamp = jiffies;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
	buffer_info->next_to_watch = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
	i++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
	if (i == tx_ring->count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
		i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
	tx_ring->next_to_use = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
	return 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
#define E1000_MAX_PER_TXD	8192
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
#define E1000_MAX_TXD_PWR	12
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
static int e1000_tx_map(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
			struct sk_buff *skb, unsigned int first,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
			unsigned int max_per_txd, unsigned int nr_frags,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
			unsigned int mss)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
	struct pci_dev *pdev = adapter->pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
	struct e1000_buffer *buffer_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
	unsigned int len = skb_headlen(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	unsigned int offset = 0, size, count = 0, i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
	unsigned int f, bytecount, segs;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
	i = tx_ring->next_to_use;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
	while (len) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
		buffer_info = &tx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
		size = min(len, max_per_txd);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
		buffer_info->length = size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
		buffer_info->time_stamp = jiffies;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
		buffer_info->next_to_watch = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
		buffer_info->dma = dma_map_single(&pdev->dev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
						  skb->data + offset,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
						  size,	DMA_TO_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
		buffer_info->mapped_as_page = false;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
			goto dma_error;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
		len -= size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
		offset += size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
		count++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
		if (len) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
			i++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
			if (i == tx_ring->count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
				i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
	for (f = 0; f < nr_frags; f++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
		struct skb_frag_struct *frag;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
		frag = &skb_shinfo(skb)->frags[f];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
		len = frag->size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
		offset = frag->page_offset;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
		while (len) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
			i++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
			if (i == tx_ring->count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
				i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
			buffer_info = &tx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
			size = min(len, max_per_txd);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
			buffer_info->length = size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
			buffer_info->time_stamp = jiffies;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
			buffer_info->next_to_watch = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
			buffer_info->dma = dma_map_page(&pdev->dev, frag->page,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
							offset, size,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
							DMA_TO_DEVICE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
			buffer_info->mapped_as_page = true;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
				goto dma_error;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
			len -= size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
			offset += size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
			count++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
	segs = skb_shinfo(skb)->gso_segs ?: 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
	/* multiply data chunks by size of headers */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
	bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
	tx_ring->buffer_info[i].skb = skb;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
	tx_ring->buffer_info[i].segs = segs;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
	tx_ring->buffer_info[i].bytecount = bytecount;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
	tx_ring->buffer_info[first].next_to_watch = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
	return count;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
dma_error:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
	dev_err(&pdev->dev, "TX DMA map failed\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
	buffer_info->dma = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
	if (count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
		count--;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
	while (count--) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
		if (i==0)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
			i += tx_ring->count;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
		i--;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
		buffer_info = &tx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
		e1000_put_txbuf(adapter, buffer_info);;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
static void e1000_tx_queue(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
			   int tx_flags, int count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
	struct e1000_tx_desc *tx_desc = NULL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
	struct e1000_buffer *buffer_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
	unsigned int i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
	if (tx_flags & E1000_TX_FLAGS_TSO) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
			     E1000_TXD_CMD_TSE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
		if (tx_flags & E1000_TX_FLAGS_IPV4)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
	if (tx_flags & E1000_TX_FLAGS_CSUM) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
	if (tx_flags & E1000_TX_FLAGS_VLAN) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
		txd_lower |= E1000_TXD_CMD_VLE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
	i = tx_ring->next_to_use;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
	while (count--) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
		buffer_info = &tx_ring->buffer_info[i];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
		tx_desc = E1000_TX_DESC(*tx_ring, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
		tx_desc->lower.data =
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
			cpu_to_le32(txd_lower | buffer_info->length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
		tx_desc->upper.data = cpu_to_le32(txd_upper);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
		i++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
		if (i == tx_ring->count)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
			i = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
	 * Force memory writes to complete before letting h/w
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
	 * know there are new descriptors to fetch.  (Only
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
	 * applicable for weak-ordered memory model archs,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
	 * such as IA-64).
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
	wmb();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	tx_ring->next_to_use = i;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
	writel(i, adapter->hw.hw_addr + tx_ring->tail);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
	 * we need this if more than one processor can write to our tail
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
	 * at a time, it synchronizes IO on IA64/Altix systems
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
	mmiowb();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
#define MINIMUM_DHCP_PACKET_SIZE 282
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
				    struct sk_buff *skb)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
	struct e1000_hw *hw =  &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	u16 length, offset;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
	if (vlan_tx_tag_present(skb)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
		    (adapter->hw.mng_cookie.status &
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
			return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
		return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
	if (((struct ethhdr *) skb->data)->h_proto != htons(ETH_P_IP))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
		return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
	{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
		const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
		struct udphdr *udp;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
		if (ip->protocol != IPPROTO_UDP)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
			return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
		udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
		if (ntohs(udp->dest) != 67)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
			return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
		offset = (u8 *)udp + 8 - skb->data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
		length = skb->len - offset;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
		return e1000e_mng_write_dhcp_info(hw, (u8 *)udp + 8, length);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
	netif_stop_queue(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
	 * Herbert's original patch had:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
	 *  smp_mb__after_netif_stop_queue();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
	 * but since that doesn't exist yet, just open code it.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	smp_mb();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
	 * We need to check again in a case another CPU has just
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
	 * made room available.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
	if (e1000_desc_unused(adapter->tx_ring) < size)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
		return -EBUSY;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
	/* A reprieve! */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
	netif_start_queue(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
	++adapter->restart_queue;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
static int e1000_maybe_stop_tx(struct net_device *netdev, int size)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	if (e1000_desc_unused(adapter->tx_ring) >= size)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
		return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
	return __e1000_maybe_stop_tx(netdev, size);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
				    struct net_device *netdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
	struct e1000_ring *tx_ring = adapter->tx_ring;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
	unsigned int first;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	unsigned int max_per_txd = E1000_MAX_PER_TXD;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
	unsigned int tx_flags = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
	unsigned int len = skb_headlen(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
	unsigned int nr_frags;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
	unsigned int mss;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
	int count = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
	int tso;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
	unsigned int f;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
	if (test_bit(__E1000_DOWN, &adapter->state)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
		if (!adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
			dev_kfree_skb_any(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
		return NETDEV_TX_OK;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
	if (skb->len <= 0) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
		if (!adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
			dev_kfree_skb_any(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
		return NETDEV_TX_OK;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
	mss = skb_shinfo(skb)->gso_size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
	 * The controller does a simple calculation to
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
	 * make sure there is enough room in the FIFO before
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
	 * initiating the DMA for each buffer.  The calc is:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
	 * 4 = ceil(buffer len/mss).  To make sure we don't
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
	 * overrun the FIFO, adjust the max buffer len if mss
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
	 * drops.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
	if (mss) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
		u8 hdr_len;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
		max_per_txd = min(mss << 2, max_per_txd);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
		max_txd_pwr = fls(max_per_txd) - 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
		 * TSO Workaround for 82571/2/3 Controllers -- if skb->data
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
		 * points to just header, pull a few bytes of payload from
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
		 * frags into skb->data
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
		/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
		 * we do this workaround for ES2LAN, but it is un-necessary,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
		 * avoiding it could save a lot of cycles
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
		 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
		if (skb->data_len && (hdr_len == len)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
			unsigned int pull_size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
			pull_size = min((unsigned int)4, skb->data_len);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
			if (!__pskb_pull_tail(skb, pull_size)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
				e_err("__pskb_pull_tail failed.\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
				if (!adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
					dev_kfree_skb_any(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
				return NETDEV_TX_OK;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
			len = skb_headlen(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
	/* reserve a descriptor for the offload context */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
		count++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	count++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
	count += TXD_USE_COUNT(len, max_txd_pwr);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
	nr_frags = skb_shinfo(skb)->nr_frags;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
	for (f = 0; f < nr_frags; f++)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
		count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
				       max_txd_pwr);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
	if (adapter->hw.mac.tx_pkt_filtering)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
		e1000_transfer_dhcp_info(adapter, skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
	 * need: count + 2 desc gap to keep tail from touching
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
	 * head, otherwise try next time
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
	if (!adapter->ecdev && e1000_maybe_stop_tx(netdev, count + 2))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
		return NETDEV_TX_BUSY;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
	if (vlan_tx_tag_present(skb)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
		tx_flags |= E1000_TX_FLAGS_VLAN;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
	first = tx_ring->next_to_use;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
	tso = e1000_tso(adapter, skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
	if (tso < 0) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
		if (!adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
			dev_kfree_skb_any(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
		return NETDEV_TX_OK;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
	if (tso)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
		tx_flags |= E1000_TX_FLAGS_TSO;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
	else if (e1000_tx_csum(adapter, skb))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
		tx_flags |= E1000_TX_FLAGS_CSUM;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
	 * Old method was to assume IPv4 packet by default if TSO was enabled.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
	 * no longer assume, we must.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
	if (skb->protocol == htons(ETH_P_IP))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
		tx_flags |= E1000_TX_FLAGS_IPV4;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
	/* if count is 0 then mapping error has occured */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
	count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
	if (count) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
		e1000_tx_queue(adapter, tx_flags, count);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
		/* Make sure there is space in the ring for the next send. */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
		if (!adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
			e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
		if (!adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
			dev_kfree_skb_any(skb);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
		tx_ring->buffer_info[first].time_stamp = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
		tx_ring->next_to_use = first;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
	return NETDEV_TX_OK;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
 * e1000_tx_timeout - Respond to a Tx Hang
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
 * @netdev: network interface device structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
static void e1000_tx_timeout(struct net_device *netdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
	/* Do the reset outside of interrupt context */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
	adapter->tx_timeout_count++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
	schedule_work(&adapter->reset_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
static void e1000_reset_task(struct work_struct *work)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
	struct e1000_adapter *adapter;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
	adapter = container_of(work, struct e1000_adapter, reset_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
	if (!((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
	      (adapter->flags & FLAG_RX_RESTART_NOW))) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
		e1000e_dump(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
		e_err("Reset adapter\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
	e1000e_reinit_locked(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
 * e1000_get_stats - Get System Network Statistics
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
 * @netdev: network interface device structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
 * Returns the address of the device statistics structure.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
 * The statistics are actually updated from the timer callback.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
static struct net_device_stats *e1000_get_stats(struct net_device *netdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
	/* only return the current stats */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
	return &netdev->stats;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
 * e1000_change_mtu - Change the Maximum Transfer Unit
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
 * @netdev: network interface device structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
 * @new_mtu: new value for maximum frame size
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
 * Returns 0 on success, negative on failure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
	if (adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
		return -EBUSY;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
	/* Jumbo frame support */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
	if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
	    !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
		e_err("Jumbo Frames not supported.\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
		return -EINVAL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
	/* Supported frame sizes */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
	if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	    (max_frame > adapter->max_hw_frame_size)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
		e_err("Unsupported MTU setting\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
		return -EINVAL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
	/* Jumbo frame workaround on 82579 requires CRC be stripped */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
	if ((adapter->hw.mac.type == e1000_pch2lan) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
	    !(adapter->flags2 & FLAG2_CRC_STRIPPING) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
	    (new_mtu > ETH_DATA_LEN)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
		e_err("Jumbo Frames not supported on 82579 when CRC "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
		      "stripping is disabled.\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
		return -EINVAL;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
	/* 82573 Errata 17 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
	if (((adapter->hw.mac.type == e1000_82573) ||
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	     (adapter->hw.mac.type == e1000_82574)) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
	    (max_frame > ETH_FRAME_LEN + ETH_FCS_LEN)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
		adapter->flags2 |= FLAG2_DISABLE_ASPM_L1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
		e1000e_disable_aspm(adapter->pdev, PCIE_LINK_STATE_L1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
		msleep(1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
	/* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
	adapter->max_frame_size = max_frame;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
	e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
	netdev->mtu = new_mtu;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
	if (netif_running(netdev))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
		e1000e_down(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
	 * NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
	 * means we reserve 2 more, this pushes us to allocate from the next
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
	 * larger slab size.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
	 * i.e. RXBUFFER_2048 --> size-4096 slab
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
	 * However with the new *_jumbo_rx* routines, jumbo receives will use
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
	 * fragmented skbs
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
	if (max_frame <= 2048)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
		adapter->rx_buffer_len = 2048;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
		adapter->rx_buffer_len = 4096;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
	/* adjust allocation if LPE protects us, and we aren't using SBP */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
	     (max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
		adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
					 + ETH_FCS_LEN;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
	if (netif_running(netdev))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
		e1000e_up(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
	else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
		e1000e_reset(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
	clear_bit(__E1000_RESETTING, &adapter->state);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
			   int cmd)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
	struct mii_ioctl_data *data = if_mii(ifr);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
		return -EOPNOTSUPP;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
	switch (cmd) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
	case SIOCGMIIPHY:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
		data->phy_id = adapter->hw.phy.addr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
	case SIOCGMIIREG:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
		e1000_phy_read_status(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
		switch (data->reg_num & 0x1F) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
		case MII_BMCR:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
			data->val_out = adapter->phy_regs.bmcr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
		case MII_BMSR:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
			data->val_out = adapter->phy_regs.bmsr;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
		case MII_PHYSID1:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
			data->val_out = (adapter->hw.phy.id >> 16);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
		case MII_PHYSID2:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
			data->val_out = (adapter->hw.phy.id & 0xFFFF);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
		case MII_ADVERTISE:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
			data->val_out = adapter->phy_regs.advertise;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
		case MII_LPA:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
			data->val_out = adapter->phy_regs.lpa;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
		case MII_EXPANSION:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
			data->val_out = adapter->phy_regs.expansion;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
		case MII_CTRL1000:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
			data->val_out = adapter->phy_regs.ctrl1000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
		case MII_STAT1000:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
			data->val_out = adapter->phy_regs.stat1000;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
		case MII_ESTATUS:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
			data->val_out = adapter->phy_regs.estatus;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
		default:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
			return -EIO;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
		break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
	case SIOCSMIIREG:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
	default:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
		return -EOPNOTSUPP;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	switch (cmd) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
	case SIOCGMIIPHY:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
	case SIOCGMIIREG:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
	case SIOCSMIIREG:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
		return e1000_mii_ioctl(netdev, ifr, cmd);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
	default:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
		return -EOPNOTSUPP;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
	u32 i, mac_reg;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
	u16 phy_reg;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
	int retval = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
	/* copy MAC RARs to PHY RARs */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
	e1000_copy_rx_addrs_to_phy_ich8lan(hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
	/* copy MAC MTA to PHY MTA */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
		mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
		e1e_wphy(hw, BM_MTA(i), (u16)(mac_reg & 0xFFFF));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
		e1e_wphy(hw, BM_MTA(i) + 1, (u16)((mac_reg >> 16) & 0xFFFF));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
	/* configure PHY Rx Control register */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
	e1e_rphy(&adapter->hw, BM_RCTL, &phy_reg);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
	mac_reg = er32(RCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
	if (mac_reg & E1000_RCTL_UPE)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
		phy_reg |= BM_RCTL_UPE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
	if (mac_reg & E1000_RCTL_MPE)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
		phy_reg |= BM_RCTL_MPE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
	phy_reg &= ~(BM_RCTL_MO_MASK);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
	if (mac_reg & E1000_RCTL_MO_3)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
		phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
				<< BM_RCTL_MO_SHIFT);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
	if (mac_reg & E1000_RCTL_BAM)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
		phy_reg |= BM_RCTL_BAM;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
	if (mac_reg & E1000_RCTL_PMCF)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
		phy_reg |= BM_RCTL_PMCF;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
	mac_reg = er32(CTRL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
	if (mac_reg & E1000_CTRL_RFCE)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
		phy_reg |= BM_RCTL_RFCE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
	e1e_wphy(&adapter->hw, BM_RCTL, phy_reg);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	/* enable PHY wakeup in MAC register */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
	ew32(WUFC, wufc);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
	ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
	/* configure and enable PHY wakeup in PHY registers */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
	e1e_wphy(&adapter->hw, BM_WUFC, wufc);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
	e1e_wphy(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
	/* activate PHY wakeup */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
	retval = hw->phy.ops.acquire(hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
	if (retval) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
		e_err("Could not acquire PHY\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
		return retval;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
	e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
	                         (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
	retval = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
	if (retval) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
		e_err("Could not read PHY page 769\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
		goto out;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
	phy_reg |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
	retval = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
	if (retval)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
		e_err("Could not set PHY Host Wakeup bit\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
out:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
	hw->phy.ops.release(hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
	return retval;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
			    bool runtime)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
	struct net_device *netdev = pci_get_drvdata(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
	u32 ctrl, ctrl_ext, rctl, status;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
	/* Runtime suspend should only enable wakeup for link changes */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
	u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
	int retval = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
	netif_device_detach(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
	if (netif_running(netdev)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
		e1000e_down(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
		e1000_free_irq(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
	e1000e_reset_interrupt_capability(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
	retval = pci_save_state(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
	if (retval)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
		return retval;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
	status = er32(STATUS);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
	if (status & E1000_STATUS_LU)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
		wufc &= ~E1000_WUFC_LNKC;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
	if (wufc) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
		e1000_setup_rctl(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
		e1000_set_multi(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
		/* turn on all-multi mode if wake on multicast is enabled */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
		if (wufc & E1000_WUFC_MC) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
			rctl = er32(RCTL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
			rctl |= E1000_RCTL_MPE;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
			ew32(RCTL, rctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
		ctrl = er32(CTRL);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
		/* advertise wake from D3Cold */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
		#define E1000_CTRL_ADVD3WUC 0x00100000
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
		/* phy power management enable */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
		#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
		ctrl |= E1000_CTRL_ADVD3WUC;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
		if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
			ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
		ew32(CTRL, ctrl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
		if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
		    adapter->hw.phy.media_type ==
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
		    e1000_media_type_internal_serdes) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
			/* keep the laser running in D3 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
			ctrl_ext = er32(CTRL_EXT);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
			ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
			ew32(CTRL_EXT, ctrl_ext);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
		if (adapter->flags & FLAG_IS_ICH)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
			e1000e_disable_gig_wol_ich8lan(&adapter->hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
		/* Allow time for pending master requests to run */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
		e1000e_disable_pcie_master(&adapter->hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
		if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
			/* enable wakeup by the PHY */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
			retval = e1000_init_phy_wakeup(adapter, wufc);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
			if (retval)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
				return retval;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
		} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
			/* enable wakeup by the MAC */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
			ew32(WUFC, wufc);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
			ew32(WUC, E1000_WUC_PME_EN);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
		ew32(WUC, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
		ew32(WUFC, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
	*enable_wake = !!wufc;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
	/* make sure adapter isn't asleep if manageability is enabled */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
	if ((adapter->flags & FLAG_MNG_PT_ENABLED) ||
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
	    (hw->mac.ops.check_mng_mode(hw)))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
		*enable_wake = true;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
	if (adapter->hw.phy.type == e1000_phy_igp_3)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
	 * would have already happened in close and is redundant.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
	e1000_release_hw_control(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
	pci_disable_device(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
static void e1000_power_off(struct pci_dev *pdev, bool sleep, bool wake)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
	if (sleep && wake) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
		pci_prepare_to_sleep(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
	pci_wake_from_d3(pdev, wake);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
	pci_set_power_state(pdev, PCI_D3hot);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
                                    bool wake)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
	struct net_device *netdev = pci_get_drvdata(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
	 * The pci-e switch on some quad port adapters will report a
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
	 * correctable error when the MAC transitions from D0 to D3.  To
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
	 * prevent this we need to mask off the correctable errors on the
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
	 * downstream port of the pci-e switch.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
	if (adapter->flags & FLAG_IS_QUAD_PORT) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
		struct pci_dev *us_dev = pdev->bus->self;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
		int pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
		u16 devctl;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
		pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
		                      (devctl & ~PCI_EXP_DEVCTL_CERE));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
		e1000_power_off(pdev, sleep, wake);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
f99b2249704c 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, devctl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
		e1000_power_off(pdev, sleep, wake);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
#ifdef CONFIG_PCIEASPM
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
	pci_disable_link_state(pdev, state);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
#else
f99b2249704c 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)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
	int pos;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
	u16 reg16;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
	 * Both device and parent should have the same ASPM setting.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
	 * Disable ASPM in downstream component first and then upstream.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
	pos = pci_pcie_cap(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
	pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &reg16);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
	reg16 &= ~state;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
	pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
	if (!pdev->bus->self)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
	pos = pci_pcie_cap(pdev->bus->self);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
	pci_read_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, &reg16);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
	reg16 &= ~state;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
	pci_write_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, reg16);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
#endif
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
	dev_info(&pdev->dev, "Disabling ASPM %s %s\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
		 (state & PCIE_LINK_STATE_L0S) ? "L0s" : "",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
		 (state & PCIE_LINK_STATE_L1) ? "L1" : "");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
	__e1000e_disable_aspm(pdev, state);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
#ifdef CONFIG_PM_OPS
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
static bool e1000e_pm_ready(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
	return !!adapter->tx_ring->buffer_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
static int __e1000_resume(struct pci_dev *pdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
	struct net_device *netdev = pci_get_drvdata(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
	u32 err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
	if (adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
		return -EBUSY;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
	pci_set_power_state(pdev, PCI_D0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
	pci_restore_state(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
	pci_save_state(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
	e1000e_set_interrupt_capability(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
	if (netif_running(netdev)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
		err = e1000_request_irq(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
		if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
			return err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
	e1000e_power_up_phy(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
	/* report the system wakeup cause from S3/S4 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
		u16 phy_data;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
		e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
		if (phy_data) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
			e_info("PHY Wakeup cause - %s\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
				phy_data & E1000_WUS_EX ? "Unicast Packet" :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
				phy_data & E1000_WUS_MC ? "Multicast Packet" :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
				phy_data & E1000_WUS_BC ? "Broadcast Packet" :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
				phy_data & E1000_WUS_MAG ? "Magic Packet" :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
				phy_data & E1000_WUS_LNKC ? "Link Status "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
				" Change" : "other");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
		e1e_wphy(&adapter->hw, BM_WUS, ~0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
		u32 wus = er32(WUS);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
		if (wus) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
			e_info("MAC Wakeup cause - %s\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
				wus & E1000_WUS_EX ? "Unicast Packet" :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
				wus & E1000_WUS_MC ? "Multicast Packet" :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
				wus & E1000_WUS_BC ? "Broadcast Packet" :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
				wus & E1000_WUS_MAG ? "Magic Packet" :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
				wus & E1000_WUS_LNKC ? "Link Status Change" :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
				"other");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
		ew32(WUS, ~0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
	e1000e_reset(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
	e1000_init_manageability_pt(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
	if (netif_running(netdev))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
		e1000e_up(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
	netif_device_attach(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
	 * If the controller has AMT, do not set DRV_LOAD until the interface
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
	 * is up.  For all other cases, let the f/w know that the h/w is now
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
	 * under the control of the driver.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
	if (!(adapter->flags & FLAG_HAS_AMT))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
		e1000_get_hw_control(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
#ifdef CONFIG_PM_SLEEP
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
static int e1000_suspend(struct device *dev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
	struct pci_dev *pdev = to_pci_dev(dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
	int retval;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
	bool wake;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
	struct net_device *netdev = pci_get_drvdata(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
	if (adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
		return -EBUSY;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
	retval = __e1000_shutdown(pdev, &wake, false);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
	if (!retval)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
		e1000_complete_shutdown(pdev, true, wake);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
	return retval;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
static int e1000_resume(struct device *dev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
	struct pci_dev *pdev = to_pci_dev(dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
	struct net_device *netdev = pci_get_drvdata(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
	if (e1000e_pm_ready(adapter))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
		adapter->idle_check = true;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
	return __e1000_resume(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
#endif /* CONFIG_PM_SLEEP */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
#ifdef CONFIG_PM_RUNTIME
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
static int e1000_runtime_suspend(struct device *dev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
	struct pci_dev *pdev = to_pci_dev(dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
	struct net_device *netdev = pci_get_drvdata(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
	if (e1000e_pm_ready(adapter)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
		bool wake;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
		__e1000_shutdown(pdev, &wake, true);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
static int e1000_idle(struct device *dev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
	struct pci_dev *pdev = to_pci_dev(dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
	struct net_device *netdev = pci_get_drvdata(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
	if (!e1000e_pm_ready(adapter))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
		return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
	if (adapter->idle_check) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
		adapter->idle_check = false;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
		if (!e1000e_has_link(adapter))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
			pm_schedule_suspend(dev, MSEC_PER_SEC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
	return -EBUSY;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
static int e1000_runtime_resume(struct device *dev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
	struct pci_dev *pdev = to_pci_dev(dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
	struct net_device *netdev = pci_get_drvdata(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
	if (!e1000e_pm_ready(adapter))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
		return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
	adapter->idle_check = !dev->power.runtime_auto;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
	return __e1000_resume(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
#endif /* CONFIG_PM_RUNTIME */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
#endif /* CONFIG_PM_OPS */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
static void e1000_shutdown(struct pci_dev *pdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
	bool wake = false;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
	struct net_device *netdev = pci_get_drvdata(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
	
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
	if (adapter->ecdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
	__e1000_shutdown(pdev, &wake, false);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
	if (system_state == SYSTEM_POWER_OFF)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
		e1000_complete_shutdown(pdev, false, wake);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
#ifdef CONFIG_NET_POLL_CONTROLLER
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
 * Polling 'interrupt' - used by things like netconsole to send skbs
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
 * without having to re-enable interrupts. It's not called while
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
 * the interrupt routine is executing.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
static void e1000_netpoll(struct net_device *netdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
	disable_irq(adapter->pdev->irq);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
	e1000_intr(adapter->pdev->irq, netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
	enable_irq(adapter->pdev->irq);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
#endif
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
 * e1000_io_error_detected - called when PCI error is detected
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
 * @pdev: Pointer to PCI device
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
 * @state: The current pci connection state
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
 * This function is called after a PCI bus error affecting
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
 * this device has been detected.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
						pci_channel_state_t state)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
	struct net_device *netdev = pci_get_drvdata(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
	netif_device_detach(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
	if (state == pci_channel_io_perm_failure)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
		return PCI_ERS_RESULT_DISCONNECT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
	if (netif_running(netdev))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
		e1000e_down(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
	pci_disable_device(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
	/* Request a slot slot reset. */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
	return PCI_ERS_RESULT_NEED_RESET;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
 * e1000_io_slot_reset - called after the pci bus has been reset.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
 * @pdev: Pointer to PCI device
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
 * Restart the card from scratch, as if from a cold-boot. Implementation
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
 * resembles the first-half of the e1000_resume routine.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
	struct net_device *netdev = pci_get_drvdata(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5633
	int err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5634
	pci_ers_result_t result;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5635
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5636
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5637
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5638
	err = pci_enable_device_mem(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5639
	if (err) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5640
		dev_err(&pdev->dev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5641
			"Cannot re-enable PCI device after reset.\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5642
		result = PCI_ERS_RESULT_DISCONNECT;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5643
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5644
		pci_set_master(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5645
		pdev->state_saved = true;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5646
		pci_restore_state(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5647
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5648
		pci_enable_wake(pdev, PCI_D3hot, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5649
		pci_enable_wake(pdev, PCI_D3cold, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5650
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5651
		e1000e_reset(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5652
		ew32(WUS, ~0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5653
		result = PCI_ERS_RESULT_RECOVERED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5654
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5655
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5656
	pci_cleanup_aer_uncorrect_error_status(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5657
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5658
	return result;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5659
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5660
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5661
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5662
 * e1000_io_resume - called when traffic can start flowing again.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5663
 * @pdev: Pointer to PCI device
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5664
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5665
 * This callback is called when the error recovery driver tells us that
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5666
 * its OK to resume normal operation. Implementation resembles the
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5667
 * second-half of the e1000_resume routine.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5668
 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5669
static void e1000_io_resume(struct pci_dev *pdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5670
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5671
	struct net_device *netdev = pci_get_drvdata(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5672
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5673
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5674
	e1000_init_manageability_pt(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5675
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5676
	if (netif_running(netdev)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5677
		if (e1000e_up(adapter)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5678
			dev_err(&pdev->dev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5679
				"can't bring device back up after reset\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5680
			return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5681
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5682
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5683
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5684
	netif_device_attach(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5685
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5686
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5687
	 * If the controller has AMT, do not set DRV_LOAD until the interface
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5688
	 * is up.  For all other cases, let the f/w know that the h/w is now
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5689
	 * under the control of the driver.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5690
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5691
	if (!(adapter->flags & FLAG_HAS_AMT))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5692
		e1000_get_hw_control(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5693
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5694
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5695
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5696
static void e1000_print_device_info(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5697
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5698
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5699
	struct net_device *netdev = adapter->netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5700
	u32 pba_num;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5701
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5702
	/* print bus type/speed/width info */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5703
	e_info("(PCI Express:2.5GB/s:%s) %pM\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5704
	       /* bus width */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5705
	       ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5706
	        "Width x1"),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5707
	       /* MAC address */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5708
	       netdev->dev_addr);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5709
	e_info("Intel(R) PRO/%s Network Connection\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5710
	       (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5711
	e1000e_read_pba_num(hw, &pba_num);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5712
	e_info("MAC: %d, PHY: %d, PBA No: %06x-%03x\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5713
	       hw->mac.type, hw->phy.type, (pba_num >> 8), (pba_num & 0xff));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5714
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5715
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5716
static void e1000_eeprom_checks(struct e1000_adapter *adapter)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5717
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5718
	struct e1000_hw *hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5719
	int ret_val;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5720
	u16 buf = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5721
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5722
	if (hw->mac.type != e1000_82573)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5723
		return;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5724
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5725
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5726
	if (!ret_val && (!(le16_to_cpu(buf) & (1 << 0)))) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5727
		/* Deep Smart Power Down (DSPD) */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5728
		dev_warn(&adapter->pdev->dev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5729
			 "Warning: detected DSPD enabled in EEPROM\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5730
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5731
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5732
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5733
static const struct net_device_ops e1000e_netdev_ops = {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5734
	.ndo_open		= e1000_open,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5735
	.ndo_stop		= e1000_close,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5736
	.ndo_start_xmit		= e1000_xmit_frame,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5737
	.ndo_get_stats		= e1000_get_stats,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5738
	.ndo_set_multicast_list	= e1000_set_multi,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5739
	.ndo_set_mac_address	= e1000_set_mac,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5740
	.ndo_change_mtu		= e1000_change_mtu,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5741
	.ndo_do_ioctl		= e1000_ioctl,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5742
	.ndo_tx_timeout		= e1000_tx_timeout,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5743
	.ndo_validate_addr	= eth_validate_addr,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5744
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5745
	.ndo_vlan_rx_register	= e1000_vlan_rx_register,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5746
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5747
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5748
#ifdef CONFIG_NET_POLL_CONTROLLER
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5749
	.ndo_poll_controller	= e1000_netpoll,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5750
#endif
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5751
};
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5752
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5753
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5754
 * ec_poll - Ethercat poll Routine
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5755
 * @netdev: net device structure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5756
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5757
 * This function can never fail.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5758
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5759
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5760
void ec_poll(struct net_device *netdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5761
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5762
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5763
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5764
	if (jiffies - adapter->ec_watchdog_jiffies >= 2 * HZ) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5765
		e1000_watchdog((unsigned long) adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5766
		adapter->ec_watchdog_jiffies = jiffies;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5767
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5768
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5769
#ifdef CONFIG_PCI_MSI
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5770
	e1000_intr_msi(0,netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5771
#else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5772
	e1000_intr(0,netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5773
#endif
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5774
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5775
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5776
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5777
 * e1000_probe - Device Initialization Routine
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5778
 * @pdev: PCI device information struct
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5779
 * @ent: entry in e1000_pci_tbl
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5780
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5781
 * Returns 0 on success, negative on failure
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5782
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5783
 * e1000_probe initializes an adapter identified by a pci_dev structure.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5784
 * The OS initialization, configuring of the adapter private structure,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5785
 * and a hardware reset occur.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5786
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5787
static int __devinit e1000_probe(struct pci_dev *pdev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5788
				 const struct pci_device_id *ent)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5789
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5790
	struct net_device *netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5791
	struct e1000_adapter *adapter;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5792
	struct e1000_hw *hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5793
	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5794
	resource_size_t mmio_start, mmio_len;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5795
	resource_size_t flash_start, flash_len;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5796
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5797
	static int cards_found;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5798
	int i, err, pci_using_dac;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5799
	u16 eeprom_data = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5800
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5801
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5802
	if (ei->flags2 & FLAG2_DISABLE_ASPM_L1)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5803
		e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5804
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5805
	err = pci_enable_device_mem(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5806
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5807
		return err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5808
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5809
	pci_using_dac = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5810
	err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5811
	if (!err) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5812
		err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5813
		if (!err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5814
			pci_using_dac = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5815
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5816
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5817
		if (err) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5818
			err = dma_set_coherent_mask(&pdev->dev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5819
						    DMA_BIT_MASK(32));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5820
			if (err) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5821
				dev_err(&pdev->dev, "No usable DMA "
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5822
					"configuration, aborting\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5823
				goto err_dma;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5824
			}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5825
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5826
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5827
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5828
	err = pci_request_selected_regions_exclusive(pdev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5829
	                                  pci_select_bars(pdev, IORESOURCE_MEM),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5830
	                                  e1000e_driver_name);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5831
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5832
		goto err_pci_reg;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5833
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5834
	/* AER (Advanced Error Reporting) hooks */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5835
	pci_enable_pcie_error_reporting(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5836
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5837
	pci_set_master(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5838
	/* PCI config space info */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5839
	err = pci_save_state(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5840
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5841
		goto err_alloc_etherdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5842
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5843
	err = -ENOMEM;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5844
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5845
	if (!netdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5846
		goto err_alloc_etherdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5847
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5848
	SET_NETDEV_DEV(netdev, &pdev->dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5849
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5850
	netdev->irq = pdev->irq;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5851
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5852
	pci_set_drvdata(pdev, netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5853
	adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5854
	hw = &adapter->hw;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5855
	adapter->netdev = netdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5856
	adapter->pdev = pdev;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5857
	adapter->ei = ei;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5858
	adapter->pba = ei->pba;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5859
	adapter->flags = ei->flags;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5860
	adapter->flags2 = ei->flags2;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5861
	adapter->hw.adapter = adapter;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5862
	adapter->hw.mac.type = ei->mac;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5863
	adapter->max_hw_frame_size = ei->max_hw_frame_size;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5864
	adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5865
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5866
	mmio_start = pci_resource_start(pdev, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5867
	mmio_len = pci_resource_len(pdev, 0);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5868
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5869
	err = -EIO;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5870
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5871
	if (!adapter->hw.hw_addr)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5872
		goto err_ioremap;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5873
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5874
	if ((adapter->flags & FLAG_HAS_FLASH) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5875
	    (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5876
		flash_start = pci_resource_start(pdev, 1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5877
		flash_len = pci_resource_len(pdev, 1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5878
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5879
		if (!adapter->hw.flash_address)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5880
			goto err_flashmap;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5881
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5882
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5883
	/* construct the net_device struct */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5884
	netdev->netdev_ops		= &e1000e_netdev_ops;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5885
	e1000e_set_ethtool_ops(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5886
	netdev->watchdog_timeo		= 5 * HZ;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5887
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5888
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5889
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5890
	netdev->mem_start = mmio_start;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5891
	netdev->mem_end = mmio_start + mmio_len;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5892
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5893
	adapter->bd_number = cards_found++;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5894
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5895
	e1000e_check_options(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5896
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5897
	/* setup adapter struct */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5898
	err = e1000_sw_init(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5899
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5900
		goto err_sw_init;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5901
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5902
	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5903
	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5904
	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5905
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5906
	err = ei->get_variants(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5907
	if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5908
		goto err_hw_init;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5909
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5910
	if ((adapter->flags & FLAG_IS_ICH) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5911
	    (adapter->flags & FLAG_READ_ONLY_NVM))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5912
		e1000e_write_protect_nvm_ich8lan(&adapter->hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5913
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5914
	hw->mac.ops.get_bus_info(&adapter->hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5915
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5916
	adapter->hw.phy.autoneg_wait_to_complete = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5917
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5918
	/* Copper options */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5919
	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5920
		adapter->hw.phy.mdix = AUTO_ALL_MODES;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5921
		adapter->hw.phy.disable_polarity_correction = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5922
		adapter->hw.phy.ms_type = e1000_ms_hw_default;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5923
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5924
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5925
	if (e1000_check_reset_block(&adapter->hw))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5926
		e_info("PHY reset is blocked due to SOL/IDER session.\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5927
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5928
	netdev->features = NETIF_F_SG |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5929
			   NETIF_F_HW_CSUM |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5930
			   NETIF_F_HW_VLAN_TX |
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5931
			   NETIF_F_HW_VLAN_RX;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5932
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5933
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5934
		netdev->features |= NETIF_F_HW_VLAN_FILTER;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5935
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5936
	netdev->features |= NETIF_F_TSO;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5937
	netdev->features |= NETIF_F_TSO6;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5938
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5939
	netdev->vlan_features |= NETIF_F_TSO;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5940
	netdev->vlan_features |= NETIF_F_TSO6;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5941
	netdev->vlan_features |= NETIF_F_HW_CSUM;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5942
	netdev->vlan_features |= NETIF_F_SG;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5943
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5944
	if (pci_using_dac) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5945
		netdev->features |= NETIF_F_HIGHDMA;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5946
		netdev->vlan_features |= NETIF_F_HIGHDMA;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5947
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5948
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5949
	if (e1000e_enable_mng_pass_thru(&adapter->hw))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5950
		adapter->flags |= FLAG_MNG_PT_ENABLED;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5951
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5952
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5953
	 * before reading the NVM, reset the controller to
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5954
	 * put the device in a known good starting state
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5955
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5956
	adapter->hw.mac.ops.reset_hw(&adapter->hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5957
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5958
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5959
	 * systems with ASPM and others may see the checksum fail on the first
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5960
	 * attempt. Let's give it a few tries
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5961
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5962
	for (i = 0;; i++) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5963
		if (e1000_validate_nvm_checksum(&adapter->hw) >= 0)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5964
			break;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5965
		if (i == 2) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5966
			e_err("The NVM Checksum Is Not Valid\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5967
			err = -EIO;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5968
			goto err_eeprom;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5969
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5970
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5971
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5972
	e1000_eeprom_checks(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5973
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5974
	/* copy the MAC address */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5975
	if (e1000e_read_mac_addr(&adapter->hw))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5976
		e_err("NVM Read Error while reading MAC address\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5977
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5978
	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5979
	memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5980
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5981
	if (!is_valid_ether_addr(netdev->perm_addr)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5982
		e_err("Invalid MAC Address: %pM\n", netdev->perm_addr);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5983
		err = -EIO;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5984
		goto err_eeprom;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5985
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5986
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5987
	init_timer(&adapter->watchdog_timer);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5988
	adapter->watchdog_timer.function = e1000_watchdog;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5989
	adapter->watchdog_timer.data = (unsigned long) adapter;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5990
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5991
	init_timer(&adapter->phy_info_timer);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5992
	adapter->phy_info_timer.function = e1000_update_phy_info;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5993
	adapter->phy_info_timer.data = (unsigned long) adapter;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5994
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5995
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5996
	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5997
	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5998
	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5999
	INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6000
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6001
	/* Initialize link parameters. User can change them with ethtool */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6002
	adapter->hw.mac.autoneg = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6003
	adapter->fc_autoneg = 1;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6004
	adapter->hw.fc.requested_mode = e1000_fc_default;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6005
	adapter->hw.fc.current_mode = e1000_fc_default;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6006
	adapter->hw.phy.autoneg_advertised = 0x2f;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6007
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6008
	/* ring size defaults */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6009
	adapter->rx_ring->count = 256;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6010
	adapter->tx_ring->count = 256;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6011
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6012
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6013
	 * Initial Wake on LAN setting - If APM wake is enabled in
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6014
	 * the EEPROM, enable the ACPI Magic Packet filter
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6015
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6016
	if (adapter->flags & FLAG_APME_IN_WUC) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6017
		/* APME bit in EEPROM is mapped to WUC.APME */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6018
		eeprom_data = er32(WUC);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6019
		eeprom_apme_mask = E1000_WUC_APME;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6020
		if ((hw->mac.type > e1000_ich10lan) &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6021
		    (eeprom_data & E1000_WUC_PHY_WAKE))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6022
			adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6023
	} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6024
		if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6025
		    (adapter->hw.bus.func == 1))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6026
			e1000_read_nvm(&adapter->hw,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6027
				NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6028
		else
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6029
			e1000_read_nvm(&adapter->hw,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6030
				NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6031
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6032
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6033
	/* fetch WoL from EEPROM */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6034
	if (eeprom_data & eeprom_apme_mask)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6035
		adapter->eeprom_wol |= E1000_WUFC_MAG;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6036
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6037
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6038
	 * now that we have the eeprom settings, apply the special cases
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6039
	 * where the eeprom may be wrong or the board simply won't support
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6040
	 * wake on lan on a particular port
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6041
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6042
	if (!(adapter->flags & FLAG_HAS_WOL))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6043
		adapter->eeprom_wol = 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6044
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6045
	/* initialize the wol settings based on the eeprom settings */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6046
	adapter->wol = adapter->eeprom_wol;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6047
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6048
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6049
	/* save off EEPROM version number */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6050
	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6051
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6052
	/* reset the hardware with the new settings */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6053
	e1000e_reset(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6054
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6055
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6056
	 * If the controller has AMT, do not set DRV_LOAD until the interface
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6057
	 * is up.  For all other cases, let the f/w know that the h/w is now
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6058
	 * under the control of the driver.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6059
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6060
	if (!(adapter->flags & FLAG_HAS_AMT))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6061
		e1000_get_hw_control(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6062
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6063
	adapter->ecdev = ecdev_offer(netdev, ec_poll, THIS_MODULE);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6064
	if (adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6065
		if (ecdev_open(adapter->ecdev)) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6066
			ecdev_withdraw(adapter->ecdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6067
			goto err_register;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6068
		}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6069
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6070
		strcpy(netdev->name, "eth%d");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6071
		err = register_netdev(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6072
		if (err)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6073
			goto err_register;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6074
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6075
		/* carrier off reporting is important to ethtool even BEFORE open */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6076
		netif_carrier_off(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6077
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6078
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6079
	e1000_print_device_info(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6080
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6081
	if (pci_dev_run_wake(pdev))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6082
		pm_runtime_put_noidle(&pdev->dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6083
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6084
	return 0;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6085
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6086
err_register:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6087
	if (!(adapter->flags & FLAG_HAS_AMT))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6088
		e1000_release_hw_control(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6089
err_eeprom:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6090
	if (!e1000_check_reset_block(&adapter->hw))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6091
		e1000_phy_hw_reset(&adapter->hw);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6092
err_hw_init:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6093
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6094
	kfree(adapter->tx_ring);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6095
	kfree(adapter->rx_ring);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6096
err_sw_init:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6097
	if (adapter->hw.flash_address)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6098
		iounmap(adapter->hw.flash_address);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6099
	e1000e_reset_interrupt_capability(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6100
err_flashmap:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6101
	iounmap(adapter->hw.hw_addr);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6102
err_ioremap:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6103
	free_netdev(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6104
err_alloc_etherdev:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6105
	pci_release_selected_regions(pdev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6106
	                             pci_select_bars(pdev, IORESOURCE_MEM));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6107
err_pci_reg:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6108
err_dma:
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6109
	pci_disable_device(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6110
	return err;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6111
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6112
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6113
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6114
 * e1000_remove - Device Removal Routine
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6115
 * @pdev: PCI device information struct
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6116
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6117
 * e1000_remove is called by the PCI subsystem to alert the driver
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6118
 * that it should release a PCI device.  The could be caused by a
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6119
 * Hot-Plug event, or because the driver is going to be removed from
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6120
 * memory.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6121
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6122
static void __devexit e1000_remove(struct pci_dev *pdev)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6123
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6124
	struct net_device *netdev = pci_get_drvdata(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6125
	struct e1000_adapter *adapter = netdev_priv(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6126
	bool down = test_bit(__E1000_DOWN, &adapter->state);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6127
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6128
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6129
	 * flush_scheduled work may reschedule our watchdog task, so
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6130
	 * explicitly disable watchdog tasks from being rescheduled
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6131
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6132
	if (!down)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6133
		set_bit(__E1000_DOWN, &adapter->state);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6134
	del_timer_sync(&adapter->watchdog_timer);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6135
	del_timer_sync(&adapter->phy_info_timer);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6136
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6137
	cancel_work_sync(&adapter->reset_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6138
	cancel_work_sync(&adapter->watchdog_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6139
	cancel_work_sync(&adapter->downshift_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6140
	cancel_work_sync(&adapter->update_phy_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6141
	cancel_work_sync(&adapter->print_hang_task);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6142
	flush_scheduled_work();
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6143
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6144
	if (!(netdev->flags & IFF_UP))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6145
		e1000_power_down_phy(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6146
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6147
	/* Don't lie to e1000_close() down the road. */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6148
	if (!down)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6149
		clear_bit(__E1000_DOWN, &adapter->state);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6150
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6151
	if (adapter->ecdev) {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6152
		ecdev_close(adapter->ecdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6153
		ecdev_withdraw(adapter->ecdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6154
	} else {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6155
		unregister_netdev(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6156
	}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6157
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6158
	if (pci_dev_run_wake(pdev))
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6159
		pm_runtime_get_noresume(&pdev->dev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6160
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6161
	/*
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6162
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6163
	 * would have already happened in close and is redundant.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6164
	 */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6165
	e1000_release_hw_control(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6166
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6167
	e1000e_reset_interrupt_capability(adapter);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6168
	kfree(adapter->tx_ring);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6169
	kfree(adapter->rx_ring);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6170
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6171
	iounmap(adapter->hw.hw_addr);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6172
	if (adapter->hw.flash_address)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6173
		iounmap(adapter->hw.flash_address);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6174
	pci_release_selected_regions(pdev,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6175
	                             pci_select_bars(pdev, IORESOURCE_MEM));
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6176
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6177
	free_netdev(netdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6178
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6179
	/* AER disable */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6180
	pci_disable_pcie_error_reporting(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6181
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6182
	pci_disable_device(pdev);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6183
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6184
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6185
/* PCI Error Recovery (ERS) */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6186
static struct pci_error_handlers e1000_err_handler = {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6187
	.error_detected = e1000_io_error_detected,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6188
	.slot_reset = e1000_io_slot_reset,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6189
	.resume = e1000_io_resume,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6190
};
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6191
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6192
static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6193
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6194
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6195
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6196
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP), board_82571 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6197
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6198
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6199
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6200
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6201
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6202
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6203
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6204
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6205
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6206
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6207
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6208
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6209
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6210
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6211
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6212
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6213
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6214
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6215
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6216
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6217
	  board_80003es2lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6218
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6219
	  board_80003es2lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6220
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_DPT),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6221
	  board_80003es2lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6222
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6223
	  board_80003es2lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6224
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6225
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6226
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6227
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6228
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_AMT), board_ich8lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6229
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6230
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6231
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6232
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6233
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6234
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6235
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6236
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6237
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6238
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6239
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6240
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6241
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6242
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6243
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6244
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LM), board_ich9lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6245
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6246
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6247
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6248
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6249
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6250
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_V), board_ich10lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6251
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6252
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6253
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6254
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6255
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6256
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6257
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_LM), board_pch2lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6258
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_V), board_pch2lan },
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6259
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6260
	{ }	/* terminate list */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6261
};
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6262
//MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6263
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6264
#ifdef CONFIG_PM_OPS
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6265
static const struct dev_pm_ops e1000_pm_ops = {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6266
	SET_SYSTEM_SLEEP_PM_OPS(e1000_suspend, e1000_resume)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6267
	SET_RUNTIME_PM_OPS(e1000_runtime_suspend,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6268
				e1000_runtime_resume, e1000_idle)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6269
};
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6270
#endif
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6271
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6272
/* PCI Device API Driver */
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6273
static struct pci_driver e1000_driver = {
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6274
	.name     = e1000e_driver_name,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6275
	.id_table = e1000_pci_tbl,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6276
	.probe    = e1000_probe,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6277
	.remove   = __devexit_p(e1000_remove),
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6278
#ifdef CONFIG_PM_OPS
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6279
	.driver.pm = &e1000_pm_ops,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6280
#endif
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6281
	.shutdown = e1000_shutdown,
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6282
	.err_handler = &e1000_err_handler
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6283
};
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6284
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6285
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6286
 * e1000_init_module - Driver Registration Routine
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6287
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6288
 * e1000_init_module is the first routine called when the driver is
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6289
 * loaded. All it does is register with the PCI subsystem.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6290
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6291
static int __init e1000_init_module(void)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6292
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6293
	int ret;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6294
	pr_info("EtherCAT-capable Intel(R) PRO/1000 Network Driver - %s\n",
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6295
		e1000e_driver_version);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6296
	pr_info("Copyright (c) 1999 - 2010 Intel Corporation.\n");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6297
	ret = pci_register_driver(&e1000_driver);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6298
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6299
	return ret;
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6300
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6301
module_init(e1000_init_module);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6302
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6303
/**
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6304
 * e1000_exit_module - Driver Exit Cleanup Routine
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6305
 *
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6306
 * e1000_exit_module is called just before the driver is removed
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6307
 * from memory.
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6308
 **/
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6309
static void __exit e1000_exit_module(void)
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6310
{
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6311
	pci_unregister_driver(&e1000_driver);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6312
}
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6313
module_exit(e1000_exit_module);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6314
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6315
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6316
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6317
MODULE_DESCRIPTION("Ethercat-capable Intel(R) PRO/1000 Network Driver");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6318
MODULE_LICENSE("GPL");
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6319
MODULE_VERSION(DRV_VERSION);
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6320
f99b2249704c Added e1000e driver for 2.6.37.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6321
/* e1000_main.c */