devices/e1000e/netdev-3.2-orig.c
author Florian Pose <fp@igh-essen.com>
Tue, 05 Feb 2013 16:45:34 +0100
branchstable-1.5
changeset 2505 5ef3197e5e1f
parent 2407 35223d2e6e72
permissions -rw-r--r--
Added ecrt_slave_config_reg_so_entry_pos() to register non-unique entries.
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/*******************************************************************************
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  Intel PRO/1000 Linux driver
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  Copyright(c) 1999 - 2011 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/interrupt.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.h>
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#include <linux/pm_runtime.h>
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#include <linux/aer.h>
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#include <linux/prefetch.h>
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#include "e1000.h"
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#define DRV_EXTRAVERSION "-k"
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#define DRV_VERSION "1.5.1" DRV_EXTRAVERSION
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char e1000e_driver_name[] = "e1000e";
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const char e1000e_driver_version[] = DRV_VERSION;
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static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state);
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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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   118
	{E1000_RDFHS, "RDFHS"},
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parents:
diff changeset
   119
	{E1000_RDFTS, "RDFTS"},
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parents:
diff changeset
   120
	{E1000_RDFPC, "RDFPC"},
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parents:
diff changeset
   121
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   122
	/* Tx Registers */
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diff changeset
   123
	{E1000_TCTL, "TCTL"},
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parents:
diff changeset
   124
	{E1000_TDBAL, "TDBAL"},
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parents:
diff changeset
   125
	{E1000_TDBAH, "TDBAH"},
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parents:
diff changeset
   126
	{E1000_TDLEN, "TDLEN"},
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parents:
diff changeset
   127
	{E1000_TDH, "TDH"},
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parents:
diff changeset
   128
	{E1000_TDT, "TDT"},
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parents:
diff changeset
   129
	{E1000_TIDV, "TIDV"},
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   130
	{E1000_TXDCTL(0), "TXDCTL"},
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   131
	{E1000_TADV, "TADV"},
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parents:
diff changeset
   132
	{E1000_TARC(0), "TARC"},
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   133
	{E1000_TDFH, "TDFH"},
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   134
	{E1000_TDFT, "TDFT"},
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parents:
diff changeset
   135
	{E1000_TDFHS, "TDFHS"},
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   136
	{E1000_TDFTS, "TDFTS"},
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   137
	{E1000_TDFPC, "TDFPC"},
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   138
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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diff changeset
   139
	/* List Terminator */
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   140
	{}
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diff changeset
   141
};
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   142
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
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   143
/*
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   144
 * e1000_regdump - register printout routine
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   145
 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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   146
static void e1000_regdump(struct e1000_hw *hw, struct e1000_reg_info *reginfo)
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   147
{
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   148
	int n = 0;
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   149
	char rname[16];
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   150
	u32 regs[8];
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   151
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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   152
	switch (reginfo->ofs) {
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diff changeset
   153
	case E1000_RXDCTL(0):
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   154
		for (n = 0; n < 2; n++)
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diff changeset
   155
			regs[n] = __er32(hw, E1000_RXDCTL(n));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   156
		break;
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parents:
diff changeset
   157
	case E1000_TXDCTL(0):
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   158
		for (n = 0; n < 2; n++)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   159
			regs[n] = __er32(hw, E1000_TXDCTL(n));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   160
		break;
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parents:
diff changeset
   161
	case E1000_TARC(0):
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   162
		for (n = 0; n < 2; n++)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   163
			regs[n] = __er32(hw, E1000_TARC(n));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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diff changeset
   164
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   165
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   166
		printk(KERN_INFO "%-15s %08x\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   167
		       reginfo->name, __er32(hw, reginfo->ofs));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   168
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   169
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   170
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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diff changeset
   171
	snprintf(rname, 16, "%s%s", reginfo->name, "[0-1]");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   172
	printk(KERN_INFO "%-15s ", rname);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   173
	for (n = 0; n < 2; n++)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   174
		printk(KERN_CONT "%08x ", regs[n]);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   175
	printk(KERN_CONT "\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   176
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   177
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   178
/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   179
 * e1000e_dump - Print registers, Tx-ring and Rx-ring
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   180
 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   181
static void e1000e_dump(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   182
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   183
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   184
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   185
	struct e1000_reg_info *reginfo;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   186
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   187
	struct e1000_tx_desc *tx_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   188
	struct my_u0 {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   189
		u64 a;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   190
		u64 b;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   191
	} *u0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   192
	struct e1000_buffer *buffer_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   193
	struct e1000_ring *rx_ring = adapter->rx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   194
	union e1000_rx_desc_packet_split *rx_desc_ps;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   195
	union e1000_rx_desc_extended *rx_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   196
	struct my_u1 {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   197
		u64 a;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   198
		u64 b;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   199
		u64 c;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   200
		u64 d;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   201
	} *u1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   202
	u32 staterr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   203
	int i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   204
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   205
	if (!netif_msg_hw(adapter))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   206
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   207
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   208
	/* Print netdevice Info */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   209
	if (netdev) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   210
		dev_info(&adapter->pdev->dev, "Net device Info\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   211
		printk(KERN_INFO "Device Name     state            "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   212
		       "trans_start      last_rx\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   213
		printk(KERN_INFO "%-15s %016lX %016lX %016lX\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   214
		       netdev->name, netdev->state, netdev->trans_start,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   215
		       netdev->last_rx);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   216
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   217
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   218
	/* Print Registers */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   219
	dev_info(&adapter->pdev->dev, "Register Dump\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   220
	printk(KERN_INFO " Register Name   Value\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   221
	for (reginfo = (struct e1000_reg_info *)e1000_reg_info_tbl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   222
	     reginfo->name; reginfo++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   223
		e1000_regdump(hw, reginfo);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   224
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   225
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   226
	/* Print Tx Ring Summary */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   227
	if (!netdev || !netif_running(netdev))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   228
		goto exit;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   229
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   230
	dev_info(&adapter->pdev->dev, "Tx Ring Summary\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   231
	printk(KERN_INFO "Queue [NTU] [NTC] [bi(ntc)->dma  ]"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   232
	       " leng ntw timestamp\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   233
	buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   234
	printk(KERN_INFO " %5d %5X %5X %016llX %04X %3X %016llX\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   235
	       0, tx_ring->next_to_use, tx_ring->next_to_clean,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   236
	       (unsigned long long)buffer_info->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   237
	       buffer_info->length,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   238
	       buffer_info->next_to_watch,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   239
	       (unsigned long long)buffer_info->time_stamp);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   240
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   241
	/* Print Tx Ring */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   242
	if (!netif_msg_tx_done(adapter))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   243
		goto rx_ring_summary;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   244
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   245
	dev_info(&adapter->pdev->dev, "Tx Ring Dump\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   246
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   247
	/* Transmit Descriptor Formats - DEXT[29] is 0 (Legacy) or 1 (Extended)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   248
	 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   249
	 * Legacy Transmit Descriptor
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   250
	 *   +--------------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   251
	 * 0 |         Buffer Address [63:0] (Reserved on Write Back)       |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
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parents:
diff changeset
   252
	 *   +--------------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   253
	 * 8 | Special  |    CSS     | Status |  CMD    |  CSO   |  Length  |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   254
	 *   +--------------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   255
	 *   63       48 47        36 35    32 31     24 23    16 15        0
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   256
	 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   257
	 * Extended Context Descriptor (DTYP=0x0) for TSO or checksum offload
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   258
	 *   63      48 47    40 39       32 31             16 15    8 7      0
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   259
	 *   +----------------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   260
	 * 0 |  TUCSE  | TUCS0  |   TUCSS   |     IPCSE       | IPCS0 | IPCSS |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   261
	 *   +----------------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   262
	 * 8 |   MSS   | HDRLEN | RSV | STA | TUCMD | DTYP |      PAYLEN      |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   263
	 *   +----------------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   264
	 *   63      48 47    40 39 36 35 32 31   24 23  20 19                0
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   265
	 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   266
	 * Extended Data Descriptor (DTYP=0x1)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   267
	 *   +----------------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   268
	 * 0 |                     Buffer Address [63:0]                      |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   269
	 *   +----------------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   270
	 * 8 | VLAN tag |  POPTS  | Rsvd | Status | Command | DTYP |  DTALEN  |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   271
	 *   +----------------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   272
	 *   63       48 47     40 39  36 35    32 31     24 23  20 19        0
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   273
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   274
	printk(KERN_INFO "Tl[desc]     [address 63:0  ] [SpeCssSCmCsLen]"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   275
	       " [bi->dma       ] leng  ntw timestamp        bi->skb "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   276
	       "<-- Legacy format\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   277
	printk(KERN_INFO "Tc[desc]     [Ce CoCsIpceCoS] [MssHlRSCm0Plen]"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   278
	       " [bi->dma       ] leng  ntw timestamp        bi->skb "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   279
	       "<-- Ext Context format\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   280
	printk(KERN_INFO "Td[desc]     [address 63:0  ] [VlaPoRSCm1Dlen]"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   281
	       " [bi->dma       ] leng  ntw timestamp        bi->skb "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   282
	       "<-- Ext Data format\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   283
	for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   284
		tx_desc = E1000_TX_DESC(*tx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   285
		buffer_info = &tx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   286
		u0 = (struct my_u0 *)tx_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   287
		printk(KERN_INFO "T%c[0x%03X]    %016llX %016llX %016llX "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   288
		       "%04X  %3X %016llX %p",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   289
		       (!(le64_to_cpu(u0->b) & (1 << 29)) ? 'l' :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   290
			((le64_to_cpu(u0->b) & (1 << 20)) ? 'd' : 'c')), i,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   291
		       (unsigned long long)le64_to_cpu(u0->a),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   292
		       (unsigned long long)le64_to_cpu(u0->b),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   293
		       (unsigned long long)buffer_info->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   294
		       buffer_info->length, buffer_info->next_to_watch,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   295
		       (unsigned long long)buffer_info->time_stamp,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   296
		       buffer_info->skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   297
		if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   298
			printk(KERN_CONT " NTC/U\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   299
		else if (i == tx_ring->next_to_use)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   300
			printk(KERN_CONT " NTU\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   301
		else if (i == tx_ring->next_to_clean)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   302
			printk(KERN_CONT " NTC\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   303
		else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   304
			printk(KERN_CONT "\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   305
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   306
		if (netif_msg_pktdata(adapter) && buffer_info->dma != 0)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   307
			print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   308
				       16, 1, phys_to_virt(buffer_info->dma),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   309
				       buffer_info->length, true);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   310
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   311
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   312
	/* Print Rx Ring Summary */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   313
rx_ring_summary:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   314
	dev_info(&adapter->pdev->dev, "Rx Ring Summary\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
	printk(KERN_INFO "Queue [NTU] [NTC]\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   316
	printk(KERN_INFO " %5d %5X %5X\n", 0,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
	       rx_ring->next_to_use, rx_ring->next_to_clean);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   318
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   319
	/* Print Rx Ring */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   320
	if (!netif_msg_rx_status(adapter))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   321
		goto exit;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   322
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   323
	dev_info(&adapter->pdev->dev, "Rx Ring Dump\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   324
	switch (adapter->rx_ps_pages) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   325
	case 1:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   326
	case 2:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   327
	case 3:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   328
		/* [Extended] Packet Split Receive Descriptor Format
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   329
		 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   330
		 *    +-----------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   331
		 *  0 |                Buffer Address 0 [63:0]              |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   332
		 *    +-----------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   333
		 *  8 |                Buffer Address 1 [63:0]              |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   334
		 *    +-----------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   335
		 * 16 |                Buffer Address 2 [63:0]              |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   336
		 *    +-----------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   337
		 * 24 |                Buffer Address 3 [63:0]              |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   338
		 *    +-----------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   339
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   340
		printk(KERN_INFO "R  [desc]      [buffer 0 63:0 ] "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   341
		       "[buffer 1 63:0 ] "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   342
		       "[buffer 2 63:0 ] [buffer 3 63:0 ] [bi->dma       ] "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   343
		       "[bi->skb] <-- Ext Pkt Split format\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   344
		/* [Extended] Receive Descriptor (Write-Back) Format
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   345
		 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   346
		 *   63       48 47    32 31     13 12    8 7    4 3        0
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   347
		 *   +------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   348
		 * 0 | Packet   | IP     |  Rsvd   | MRQ   | Rsvd | MRQ RSS |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   349
		 *   | Checksum | Ident  |         | Queue |      |  Type   |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   350
		 *   +------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   351
		 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   352
		 *   +------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
		 *   63       48 47    32 31            20 19               0
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
		printk(KERN_INFO "RWB[desc]      [ck ipid mrqhsh] "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
		       "[vl   l0 ee  es] "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
		       "[ l3  l2  l1 hs] [reserved      ] ---------------- "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
		       "[bi->skb] <-- Ext Rx Write-Back format\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   359
		for (i = 0; i < rx_ring->count; i++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   360
			buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   361
			rx_desc_ps = E1000_RX_DESC_PS(*rx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   362
			u1 = (struct my_u1 *)rx_desc_ps;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   363
			staterr =
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
			    le32_to_cpu(rx_desc_ps->wb.middle.status_error);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
			if (staterr & E1000_RXD_STAT_DD) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
				/* Descriptor Done */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
				printk(KERN_INFO "RWB[0x%03X]     %016llX "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
				       "%016llX %016llX %016llX "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   369
				       "---------------- %p", i,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
				       (unsigned long long)le64_to_cpu(u1->a),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
				       (unsigned long long)le64_to_cpu(u1->b),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
				       (unsigned long long)le64_to_cpu(u1->c),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
				       (unsigned long long)le64_to_cpu(u1->d),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
				       buffer_info->skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
			} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
				printk(KERN_INFO "R  [0x%03X]     %016llX "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
				       "%016llX %016llX %016llX %016llX %p", i,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
				       (unsigned long long)le64_to_cpu(u1->a),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
				       (unsigned long long)le64_to_cpu(u1->b),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
				       (unsigned long long)le64_to_cpu(u1->c),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
				       (unsigned long long)le64_to_cpu(u1->d),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
				       (unsigned long long)buffer_info->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
				       buffer_info->skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
				if (netif_msg_pktdata(adapter))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
					print_hex_dump(KERN_INFO, "",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
						DUMP_PREFIX_ADDRESS, 16, 1,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
						phys_to_virt(buffer_info->dma),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   389
						adapter->rx_ps_bsize0, true);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   390
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   391
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
			if (i == rx_ring->next_to_use)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   393
				printk(KERN_CONT " NTU\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   394
			else if (i == rx_ring->next_to_clean)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   395
				printk(KERN_CONT " NTC\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
			else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
				printk(KERN_CONT "\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
	case 0:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
		/* Extended Receive Descriptor (Read) Format
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
		 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   404
		 *   +-----------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   405
		 * 0 |                Buffer Address [63:0]                |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   406
		 *   +-----------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   407
		 * 8 |                      Reserved                       |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   408
		 *   +-----------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   409
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   410
		printk(KERN_INFO "R  [desc]      [buf addr 63:0 ] "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   411
		       "[reserved 63:0 ] [bi->dma       ] "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   412
		       "[bi->skb] <-- Ext (Read) format\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   413
		/* Extended Receive Descriptor (Write-Back) Format
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   414
		 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   415
		 *   63       48 47    32 31    24 23            4 3        0
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   416
		 *   +------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   417
		 *   |     RSS Hash      |        |               |         |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   418
		 * 0 +-------------------+  Rsvd  |   Reserved    | MRQ RSS |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   419
		 *   | Packet   | IP     |        |               |  Type   |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   420
		 *   | Checksum | Ident  |        |               |         |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   421
		 *   +------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   422
		 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   423
		 *   +------------------------------------------------------+
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   424
		 *   63       48 47    32 31            20 19               0
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
		printk(KERN_INFO "RWB[desc]      [cs ipid    mrq] "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
		       "[vt   ln xe  xs] "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
		       "[bi->skb] <-- Ext (Write-Back) format\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
		for (i = 0; i < rx_ring->count; i++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
			buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
			rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
			u1 = (struct my_u1 *)rx_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
			staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
			if (staterr & E1000_RXD_STAT_DD) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
				/* Descriptor Done */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
				printk(KERN_INFO "RWB[0x%03X]     %016llX "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
				       "%016llX ---------------- %p", i,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
				       (unsigned long long)le64_to_cpu(u1->a),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
				       (unsigned long long)le64_to_cpu(u1->b),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
				       buffer_info->skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
			} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
				printk(KERN_INFO "R  [0x%03X]     %016llX "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
				       "%016llX %016llX %p", i,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
				       (unsigned long long)le64_to_cpu(u1->a),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
				       (unsigned long long)le64_to_cpu(u1->b),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
				       (unsigned long long)buffer_info->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
				       buffer_info->skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
				if (netif_msg_pktdata(adapter))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
					print_hex_dump(KERN_INFO, "",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
						       DUMP_PREFIX_ADDRESS, 16,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
						       1,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
						       phys_to_virt
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
						       (buffer_info->dma),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
						       adapter->rx_buffer_len,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
						       true);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
			if (i == rx_ring->next_to_use)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
				printk(KERN_CONT " NTU\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
			else if (i == rx_ring->next_to_clean)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
				printk(KERN_CONT " NTC\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
			else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
				printk(KERN_CONT "\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
exit:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
	return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
 * e1000_desc_unused - calculate if we have unused descriptors
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
static int e1000_desc_unused(struct e1000_ring *ring)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
	if (ring->next_to_clean > ring->next_to_use)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
		return ring->next_to_clean - ring->next_to_use - 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
 * e1000_receive_skb - helper function to handle Rx indications
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
 * @status: descriptor status field as written by hardware
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
 * @vlan: descriptor vlan field as written by hardware (no le/be conversion)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
 * @skb: pointer to sk_buff to be indicated to stack
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
static void e1000_receive_skb(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
			      struct net_device *netdev, struct sk_buff *skb,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
			      u8 status, __le16 vlan)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
	u16 tag = le16_to_cpu(vlan);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
	skb->protocol = eth_type_trans(skb, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
	if (status & E1000_RXD_STAT_VP)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
		__vlan_hwaccel_put_tag(skb, tag);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   500
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
	napi_gro_receive(&adapter->napi, skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   503
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   504
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   505
 * e1000_rx_checksum - Receive Checksum Offload
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   506
 * @adapter:     board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   507
 * @status_err:  receive descriptor status and error fields
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   508
 * @csum:	receive descriptor csum field
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
 * @sk_buff:     socket buffer with received data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   510
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   511
static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   512
			      u32 csum, struct sk_buff *skb)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
	u16 status = (u16)status_err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
	u8 errors = (u8)(status_err >> 24);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
	skb_checksum_none_assert(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   519
	/* Ignore Checksum bit is set */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
	if (status & E1000_RXD_STAT_IXSM)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   521
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   522
	/* TCP/UDP checksum error bit is set */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   523
	if (errors & E1000_RXD_ERR_TCPE) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   524
		/* let the stack verify checksum errors */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   525
		adapter->hw_csum_err++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   526
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   527
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   528
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
	/* TCP/UDP Checksum has not been calculated */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
	if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
	/* It must be a TCP or UDP packet with a valid checksum */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
	if (status & E1000_RXD_STAT_TCPCS) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
		/* TCP checksum is good */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
		skb->ip_summed = CHECKSUM_UNNECESSARY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   537
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
		 * IP fragment with UDP payload
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
		 * Hardware complements the payload checksum, so we undo it
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
		 * and then put the value in host order for further stack use.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
		__sum16 sum = (__force __sum16)htons(csum);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
		skb->csum = csum_unfold(~sum);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
		skb->ip_summed = CHECKSUM_COMPLETE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
	adapter->hw_csum_good++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   551
 * e1000e_update_tail_wa - helper function for e1000e_update_[rt]dt_wa()
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
 * @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   553
 * @tail: address of tail descriptor register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
 * @i: value to write to tail descriptor register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
 * When updating the tail register, the ME could be accessing Host CSR
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
 * registers at the same time.  Normally, this is handled in h/w by an
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
 * arbiter but on some parts there is a bug that acknowledges Host accesses
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
 * later than it should which could result in the descriptor register to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
 * have an incorrect value.  Workaround this by checking the FWSM register
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
 * which has bit 24 set while ME is accessing Host CSR registers, wait
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
 * if it is set and try again a number of times.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
static inline s32 e1000e_update_tail_wa(struct e1000_hw *hw, u8 __iomem * tail,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
					unsigned int i)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
	unsigned int j = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
	while ((j++ < E1000_ICH_FWSM_PCIM2PCI_COUNT) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
	       (er32(FWSM) & E1000_ICH_FWSM_PCIM2PCI))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
		udelay(50);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
	writel(i, tail);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   575
	if ((j == E1000_ICH_FWSM_PCIM2PCI_COUNT) && (i != readl(tail)))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
		return E1000_ERR_SWFW_SYNC;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   581
static void e1000e_update_rdt_wa(struct e1000_adapter *adapter, unsigned int i)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   582
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   583
	u8 __iomem *tail = (adapter->hw.hw_addr + adapter->rx_ring->tail);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   584
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   585
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   586
	if (e1000e_update_tail_wa(hw, tail, i)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   587
		u32 rctl = er32(RCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   588
		ew32(RCTL, rctl & ~E1000_RCTL_EN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   589
		e_err("ME firmware caused invalid RDT - resetting\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   590
		schedule_work(&adapter->reset_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   591
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   592
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   593
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   594
static void e1000e_update_tdt_wa(struct e1000_adapter *adapter, unsigned int i)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   595
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   596
	u8 __iomem *tail = (adapter->hw.hw_addr + adapter->tx_ring->tail);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   597
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   598
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   599
	if (e1000e_update_tail_wa(hw, tail, i)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   600
		u32 tctl = er32(TCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   601
		ew32(TCTL, tctl & ~E1000_TCTL_EN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   602
		e_err("ME firmware caused invalid TDT - resetting\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   603
		schedule_work(&adapter->reset_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   604
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   605
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   606
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   607
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   608
 * e1000_alloc_rx_buffers - Replace used receive buffers
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   609
 * @adapter: address of board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   610
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   611
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   612
				   int cleaned_count, gfp_t gfp)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   613
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   614
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   615
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   616
	struct e1000_ring *rx_ring = adapter->rx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   617
	union e1000_rx_desc_extended *rx_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   618
	struct e1000_buffer *buffer_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   619
	struct sk_buff *skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   620
	unsigned int i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   621
	unsigned int bufsz = adapter->rx_buffer_len;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   622
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   623
	i = rx_ring->next_to_use;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   624
	buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   625
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   626
	while (cleaned_count--) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   627
		skb = buffer_info->skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   628
		if (skb) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   629
			skb_trim(skb, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   630
			goto map_skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   631
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
		skb = __netdev_alloc_skb_ip_align(netdev, bufsz, gfp);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
		if (!skb) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
			/* Better luck next round */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
			adapter->alloc_rx_buff_failed++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
		buffer_info->skb = skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
map_skb:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   642
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   643
						  adapter->rx_buffer_len,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   644
						  DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
			dev_err(&pdev->dev, "Rx DMA map failed\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
			adapter->rx_dma_failed++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
		rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
		rx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
			/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   656
			 * Force memory writes to complete before letting h/w
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   657
			 * know there are new descriptors to fetch.  (Only
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
			 * applicable for weak-ordered memory model archs,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
			 * such as IA-64).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
			 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
			wmb();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
			if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   663
				e1000e_update_rdt_wa(adapter, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
			else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
				writel(i, adapter->hw.hw_addr + rx_ring->tail);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
		i++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
		if (i == rx_ring->count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   669
			i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   670
		buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
	rx_ring->next_to_use = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
 * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
 * @adapter: address of board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
				      int cleaned_count, gfp_t gfp)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   684
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   685
	union e1000_rx_desc_packet_split *rx_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
	struct e1000_ring *rx_ring = adapter->rx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
	struct e1000_buffer *buffer_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
	struct e1000_ps_page *ps_page;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
	struct sk_buff *skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
	unsigned int i, j;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   692
	i = rx_ring->next_to_use;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
	buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   695
	while (cleaned_count--) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
		rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
			ps_page = &buffer_info->ps_pages[j];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
			if (j >= adapter->rx_ps_pages) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   701
				/* all unused desc entries get hw null ptr */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   702
				rx_desc->read.buffer_addr[j + 1] =
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   703
				    ~cpu_to_le64(0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   704
				continue;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
			if (!ps_page->page) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
				ps_page->page = alloc_page(gfp);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   708
				if (!ps_page->page) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   709
					adapter->alloc_rx_buff_failed++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   710
					goto no_buffers;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   711
				}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   712
				ps_page->dma = dma_map_page(&pdev->dev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   713
							    ps_page->page,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   714
							    0, PAGE_SIZE,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   715
							    DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   716
				if (dma_mapping_error(&pdev->dev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   717
						      ps_page->dma)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   718
					dev_err(&adapter->pdev->dev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   719
						"Rx DMA page map failed\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   720
					adapter->rx_dma_failed++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   721
					goto no_buffers;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   722
				}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   723
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   724
			/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
			 * Refresh the desc even if buffer_addrs
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
			 * didn't change because each write-back
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
			 * erases this info.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
			 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
			rx_desc->read.buffer_addr[j + 1] =
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   730
			    cpu_to_le64(ps_page->dma);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   731
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   732
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   733
		skb = __netdev_alloc_skb_ip_align(netdev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   734
						  adapter->rx_ps_bsize0,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   735
						  gfp);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   736
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   737
		if (!skb) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   738
			adapter->alloc_rx_buff_failed++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   739
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   740
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   741
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   742
		buffer_info->skb = skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   743
		buffer_info->dma = dma_map_single(&pdev->dev, skb->data,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   744
						  adapter->rx_ps_bsize0,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   745
						  DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   746
		if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   747
			dev_err(&pdev->dev, "Rx DMA map failed\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   748
			adapter->rx_dma_failed++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   749
			/* cleanup skb */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   750
			dev_kfree_skb_any(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   751
			buffer_info->skb = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   752
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   753
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   754
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   755
		rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   756
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   757
		if (unlikely(!(i & (E1000_RX_BUFFER_WRITE - 1)))) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   758
			/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   759
			 * Force memory writes to complete before letting h/w
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   760
			 * know there are new descriptors to fetch.  (Only
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   761
			 * applicable for weak-ordered memory model archs,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   762
			 * such as IA-64).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   763
			 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   764
			wmb();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   765
			if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   766
				e1000e_update_rdt_wa(adapter, i << 1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   767
			else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   768
				writel(i << 1,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   769
				       adapter->hw.hw_addr + rx_ring->tail);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   770
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   771
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   772
		i++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   773
		if (i == rx_ring->count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   774
			i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   775
		buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   776
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   777
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   778
no_buffers:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   779
	rx_ring->next_to_use = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   780
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   781
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   782
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   783
 * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   784
 * @adapter: address of board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   785
 * @cleaned_count: number of buffers to allocate this pass
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   786
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   787
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   788
static void e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   789
					 int cleaned_count, gfp_t gfp)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   790
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   791
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   792
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   793
	union e1000_rx_desc_extended *rx_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   794
	struct e1000_ring *rx_ring = adapter->rx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   795
	struct e1000_buffer *buffer_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   796
	struct sk_buff *skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   797
	unsigned int i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   798
	unsigned int bufsz = 256 - 16 /* for skb_reserve */;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   799
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   800
	i = rx_ring->next_to_use;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   801
	buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   802
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   803
	while (cleaned_count--) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   804
		skb = buffer_info->skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   805
		if (skb) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   806
			skb_trim(skb, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   807
			goto check_page;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   808
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   809
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   810
		skb = __netdev_alloc_skb_ip_align(netdev, bufsz, gfp);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   811
		if (unlikely(!skb)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   812
			/* Better luck next round */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   813
			adapter->alloc_rx_buff_failed++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   814
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   815
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   816
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   817
		buffer_info->skb = skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   818
check_page:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   819
		/* allocate a new page if necessary */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   820
		if (!buffer_info->page) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   821
			buffer_info->page = alloc_page(gfp);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   822
			if (unlikely(!buffer_info->page)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   823
				adapter->alloc_rx_buff_failed++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   824
				break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   825
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   826
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   827
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   828
		if (!buffer_info->dma)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   829
			buffer_info->dma = dma_map_page(&pdev->dev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   830
			                                buffer_info->page, 0,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   831
			                                PAGE_SIZE,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   832
							DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   833
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   834
		rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   835
		rx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   836
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   837
		if (unlikely(++i == rx_ring->count))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   838
			i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   839
		buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   840
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   841
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   842
	if (likely(rx_ring->next_to_use != i)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   843
		rx_ring->next_to_use = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   844
		if (unlikely(i-- == 0))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   845
			i = (rx_ring->count - 1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   846
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   847
		/* Force memory writes to complete before letting h/w
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   848
		 * know there are new descriptors to fetch.  (Only
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   849
		 * applicable for weak-ordered memory model archs,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   850
		 * such as IA-64). */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   851
		wmb();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   852
		if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   853
			e1000e_update_rdt_wa(adapter, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   854
		else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   855
			writel(i, adapter->hw.hw_addr + rx_ring->tail);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   856
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   857
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   858
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   859
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   860
 * e1000_clean_rx_irq - Send received data up the network stack; legacy
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   861
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   862
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   863
 * the return value indicates whether actual cleaning was done, there
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   864
 * is no guarantee that everything was cleaned
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   865
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   866
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   867
			       int *work_done, int work_to_do)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   868
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   869
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   870
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   871
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   872
	struct e1000_ring *rx_ring = adapter->rx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   873
	union e1000_rx_desc_extended *rx_desc, *next_rxd;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   874
	struct e1000_buffer *buffer_info, *next_buffer;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   875
	u32 length, staterr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   876
	unsigned int i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   877
	int cleaned_count = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   878
	bool cleaned = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   879
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   880
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   881
	i = rx_ring->next_to_clean;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   882
	rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   883
	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   884
	buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   885
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   886
	while (staterr & E1000_RXD_STAT_DD) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   887
		struct sk_buff *skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   888
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   889
		if (*work_done >= work_to_do)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   890
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   891
		(*work_done)++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   892
		rmb();	/* read descriptor and rx_buffer_info after status DD */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   893
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   894
		skb = buffer_info->skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   895
		buffer_info->skb = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   896
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   897
		prefetch(skb->data - NET_IP_ALIGN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   898
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   899
		i++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   900
		if (i == rx_ring->count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   901
			i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   902
		next_rxd = E1000_RX_DESC_EXT(*rx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   903
		prefetch(next_rxd);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   904
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   905
		next_buffer = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   906
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   907
		cleaned = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   908
		cleaned_count++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   909
		dma_unmap_single(&pdev->dev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   910
				 buffer_info->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   911
				 adapter->rx_buffer_len,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   912
				 DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   913
		buffer_info->dma = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   914
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   915
		length = le16_to_cpu(rx_desc->wb.upper.length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   916
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   917
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   918
		 * !EOP means multiple descriptors were used to store a single
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   919
		 * packet, if that's the case we need to toss it.  In fact, we
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   920
		 * need to toss every packet with the EOP bit clear and the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   921
		 * next frame that _does_ have the EOP bit set, as it is by
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   922
		 * definition only a frame fragment
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   923
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   924
		if (unlikely(!(staterr & E1000_RXD_STAT_EOP)))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   925
			adapter->flags2 |= FLAG2_IS_DISCARDING;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   926
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   927
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   928
			/* All receives must fit into a single buffer */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   929
			e_dbg("Receive packet consumed multiple buffers\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   930
			/* recycle */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   931
			buffer_info->skb = skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   932
			if (staterr & E1000_RXD_STAT_EOP)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   933
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   934
			goto next_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   935
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   936
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   937
		if (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   938
			/* recycle */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   939
			buffer_info->skb = skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   940
			goto next_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   941
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   942
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   943
		/* adjust length to remove Ethernet CRC */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   944
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   945
			length -= 4;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   946
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   947
		total_rx_bytes += length;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   948
		total_rx_packets++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   949
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   950
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   951
		 * code added for copybreak, this should improve
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   952
		 * performance for small packets with large amounts
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   953
		 * of reassembly being done in the stack
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   954
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   955
		if (length < copybreak) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   956
			struct sk_buff *new_skb =
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   957
			    netdev_alloc_skb_ip_align(netdev, length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   958
			if (new_skb) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   959
				skb_copy_to_linear_data_offset(new_skb,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   960
							       -NET_IP_ALIGN,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   961
							       (skb->data -
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   962
								NET_IP_ALIGN),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   963
							       (length +
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   964
								NET_IP_ALIGN));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   965
				/* save the skb in buffer_info as good */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   966
				buffer_info->skb = skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   967
				skb = new_skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   968
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   969
			/* else just continue with the old one */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   970
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   971
		/* end copybreak code */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   972
		skb_put(skb, length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   973
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   974
		/* Receive Checksum Offload */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   975
		e1000_rx_checksum(adapter, staterr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   976
				  le16_to_cpu(rx_desc->wb.lower.hi_dword.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   977
					      csum_ip.csum), skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   978
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   979
		e1000_receive_skb(adapter, netdev, skb, staterr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   980
				  rx_desc->wb.upper.vlan);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   981
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   982
next_desc:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   983
		rx_desc->wb.upper.status_error &= cpu_to_le32(~0xFF);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   984
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   985
		/* return some buffers to hardware, one at a time is too slow */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   986
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   987
			adapter->alloc_rx_buf(adapter, cleaned_count,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   988
					      GFP_ATOMIC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   989
			cleaned_count = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   990
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   991
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   992
		/* use prefetched values */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   993
		rx_desc = next_rxd;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   994
		buffer_info = next_buffer;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   995
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   996
		staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   997
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   998
	rx_ring->next_to_clean = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   999
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1000
	cleaned_count = e1000_desc_unused(rx_ring);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1001
	if (cleaned_count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1002
		adapter->alloc_rx_buf(adapter, cleaned_count, GFP_ATOMIC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1003
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1004
	adapter->total_rx_bytes += total_rx_bytes;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1005
	adapter->total_rx_packets += total_rx_packets;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1006
	return cleaned;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1007
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1008
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1009
static void e1000_put_txbuf(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1010
			     struct e1000_buffer *buffer_info)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1011
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1012
	if (buffer_info->dma) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1013
		if (buffer_info->mapped_as_page)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1014
			dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1015
				       buffer_info->length, DMA_TO_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1016
		else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1017
			dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1018
					 buffer_info->length, DMA_TO_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1019
		buffer_info->dma = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1020
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1021
	if (buffer_info->skb) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1022
		dev_kfree_skb_any(buffer_info->skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1023
		buffer_info->skb = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1024
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1025
	buffer_info->time_stamp = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1026
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1027
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1028
static void e1000_print_hw_hang(struct work_struct *work)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1029
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1030
	struct e1000_adapter *adapter = container_of(work,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1031
	                                             struct e1000_adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1032
	                                             print_hang_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1033
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1034
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1035
	unsigned int i = tx_ring->next_to_clean;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1036
	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1037
	struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1038
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1039
	u16 phy_status, phy_1000t_status, phy_ext_status;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1040
	u16 pci_status;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1041
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1042
	if (test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1043
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1044
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1045
	if (!adapter->tx_hang_recheck &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1046
	    (adapter->flags2 & FLAG2_DMA_BURST)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1047
		/* May be block on write-back, flush and detect again
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1048
		 * flush pending descriptor writebacks to memory
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1049
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1050
		ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1051
		/* execute the writes immediately */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1052
		e1e_flush();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1053
		adapter->tx_hang_recheck = true;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1054
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1055
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1056
	/* Real hang detected */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1057
	adapter->tx_hang_recheck = false;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1058
	netif_stop_queue(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1059
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1060
	e1e_rphy(hw, PHY_STATUS, &phy_status);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1061
	e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1062
	e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1063
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1064
	pci_read_config_word(adapter->pdev, PCI_STATUS, &pci_status);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1065
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1066
	/* detected Hardware unit hang */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1067
	e_err("Detected Hardware Unit Hang:\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1068
	      "  TDH                  <%x>\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1069
	      "  TDT                  <%x>\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1070
	      "  next_to_use          <%x>\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1071
	      "  next_to_clean        <%x>\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1072
	      "buffer_info[next_to_clean]:\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1073
	      "  time_stamp           <%lx>\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1074
	      "  next_to_watch        <%x>\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1075
	      "  jiffies              <%lx>\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1076
	      "  next_to_watch.status <%x>\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1077
	      "MAC Status             <%x>\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1078
	      "PHY Status             <%x>\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1079
	      "PHY 1000BASE-T Status  <%x>\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1080
	      "PHY Extended Status    <%x>\n"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1081
	      "PCI Status             <%x>\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1082
	      readl(adapter->hw.hw_addr + tx_ring->head),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1083
	      readl(adapter->hw.hw_addr + tx_ring->tail),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1084
	      tx_ring->next_to_use,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1085
	      tx_ring->next_to_clean,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1086
	      tx_ring->buffer_info[eop].time_stamp,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1087
	      eop,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1088
	      jiffies,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1089
	      eop_desc->upper.fields.status,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1090
	      er32(STATUS),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1091
	      phy_status,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1092
	      phy_1000t_status,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1093
	      phy_ext_status,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1094
	      pci_status);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1095
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1096
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1097
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1098
 * e1000_clean_tx_irq - Reclaim resources after transmit completes
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1099
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1100
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1101
 * the return value indicates whether actual cleaning was done, there
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1102
 * is no guarantee that everything was cleaned
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1103
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1104
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1105
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1106
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1107
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1108
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1109
	struct e1000_tx_desc *tx_desc, *eop_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1110
	struct e1000_buffer *buffer_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1111
	unsigned int i, eop;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1112
	unsigned int count = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1113
	unsigned int total_tx_bytes = 0, total_tx_packets = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1114
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1115
	i = tx_ring->next_to_clean;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1116
	eop = tx_ring->buffer_info[i].next_to_watch;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1117
	eop_desc = E1000_TX_DESC(*tx_ring, eop);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1118
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1119
	while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1120
	       (count < tx_ring->count)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1121
		bool cleaned = false;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1122
		rmb(); /* read buffer_info after eop_desc */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1123
		for (; !cleaned; count++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1124
			tx_desc = E1000_TX_DESC(*tx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1125
			buffer_info = &tx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1126
			cleaned = (i == eop);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1127
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1128
			if (cleaned) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1129
				total_tx_packets += buffer_info->segs;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1130
				total_tx_bytes += buffer_info->bytecount;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1131
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1132
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1133
			e1000_put_txbuf(adapter, buffer_info);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1134
			tx_desc->upper.data = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1135
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1136
			i++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1137
			if (i == tx_ring->count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1138
				i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1139
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1140
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1141
		if (i == tx_ring->next_to_use)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1142
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1143
		eop = tx_ring->buffer_info[i].next_to_watch;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1144
		eop_desc = E1000_TX_DESC(*tx_ring, eop);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1145
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1146
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1147
	tx_ring->next_to_clean = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1148
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1149
#define TX_WAKE_THRESHOLD 32
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1150
	if (count && netif_carrier_ok(netdev) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1151
	    e1000_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1152
		/* Make sure that anybody stopping the queue after this
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1153
		 * sees the new next_to_clean.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1154
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1155
		smp_mb();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1156
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1157
		if (netif_queue_stopped(netdev) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1158
		    !(test_bit(__E1000_DOWN, &adapter->state))) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1159
			netif_wake_queue(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1160
			++adapter->restart_queue;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1161
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1162
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1163
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1164
	if (adapter->detect_tx_hung) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1165
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1166
		 * Detect a transmit hang in hardware, this serializes the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1167
		 * check with the clearing of time_stamp and movement of i
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1168
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1169
		adapter->detect_tx_hung = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1170
		if (tx_ring->buffer_info[i].time_stamp &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1171
		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1172
			       + (adapter->tx_timeout_factor * HZ)) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1173
		    !(er32(STATUS) & E1000_STATUS_TXOFF))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1174
			schedule_work(&adapter->print_hang_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1175
		else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1176
			adapter->tx_hang_recheck = false;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1177
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1178
	adapter->total_tx_bytes += total_tx_bytes;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1179
	adapter->total_tx_packets += total_tx_packets;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1180
	return count < tx_ring->count;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1181
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1182
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1183
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1184
 * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1185
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1186
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1187
 * the return value indicates whether actual cleaning was done, there
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1188
 * is no guarantee that everything was cleaned
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1189
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1190
static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1191
				  int *work_done, int work_to_do)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1192
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1193
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1194
	union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1195
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1196
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1197
	struct e1000_ring *rx_ring = adapter->rx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1198
	struct e1000_buffer *buffer_info, *next_buffer;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1199
	struct e1000_ps_page *ps_page;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1200
	struct sk_buff *skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1201
	unsigned int i, j;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1202
	u32 length, staterr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1203
	int cleaned_count = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1204
	bool cleaned = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1205
	unsigned int total_rx_bytes = 0, total_rx_packets = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1206
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1207
	i = rx_ring->next_to_clean;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1208
	rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1209
	staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1210
	buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1211
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1212
	while (staterr & E1000_RXD_STAT_DD) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1213
		if (*work_done >= work_to_do)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1214
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1215
		(*work_done)++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1216
		skb = buffer_info->skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1217
		rmb();	/* read descriptor and rx_buffer_info after status DD */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1218
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1219
		/* in the packet split case this is header only */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1220
		prefetch(skb->data - NET_IP_ALIGN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1221
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1222
		i++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1223
		if (i == rx_ring->count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1224
			i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1225
		next_rxd = E1000_RX_DESC_PS(*rx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1226
		prefetch(next_rxd);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1227
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1228
		next_buffer = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1229
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1230
		cleaned = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1231
		cleaned_count++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1232
		dma_unmap_single(&pdev->dev, buffer_info->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1233
				 adapter->rx_ps_bsize0, DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1234
		buffer_info->dma = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1235
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1236
		/* see !EOP comment in other Rx routine */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1237
		if (!(staterr & E1000_RXD_STAT_EOP))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1238
			adapter->flags2 |= FLAG2_IS_DISCARDING;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1239
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1240
		if (adapter->flags2 & FLAG2_IS_DISCARDING) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1241
			e_dbg("Packet Split buffers didn't pick up the full "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1242
			      "packet\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1243
			dev_kfree_skb_irq(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1244
			if (staterr & E1000_RXD_STAT_EOP)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1245
				adapter->flags2 &= ~FLAG2_IS_DISCARDING;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1246
			goto next_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1247
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1248
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1249
		if (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1250
			dev_kfree_skb_irq(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1251
			goto next_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1252
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1253
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1254
		length = le16_to_cpu(rx_desc->wb.middle.length0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1255
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1256
		if (!length) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1257
			e_dbg("Last part of the packet spanning multiple "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1258
			      "descriptors\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1259
			dev_kfree_skb_irq(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1260
			goto next_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1261
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1262
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1263
		/* Good Receive */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1264
		skb_put(skb, length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1265
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1266
		{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1267
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1268
		 * this looks ugly, but it seems compiler issues make it
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1269
		 * more efficient than reusing j
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1270
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1271
		int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1272
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1273
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1274
		 * page alloc/put takes too long and effects small packet
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1275
		 * throughput, so unsplit small packets and save the alloc/put
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1276
		 * only valid in softirq (napi) context to call kmap_*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1277
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1278
		if (l1 && (l1 <= copybreak) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1279
		    ((length + l1) <= adapter->rx_ps_bsize0)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1280
			u8 *vaddr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1281
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1282
			ps_page = &buffer_info->ps_pages[0];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1283
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1284
			/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1285
			 * there is no documentation about how to call
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1286
			 * kmap_atomic, so we can't hold the mapping
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1287
			 * very long
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1288
			 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1289
			dma_sync_single_for_cpu(&pdev->dev, ps_page->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1290
						PAGE_SIZE, DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1291
			vaddr = kmap_atomic(ps_page->page, KM_SKB_DATA_SOFTIRQ);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1292
			memcpy(skb_tail_pointer(skb), vaddr, l1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1293
			kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1294
			dma_sync_single_for_device(&pdev->dev, ps_page->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1295
						   PAGE_SIZE, DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1296
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1297
			/* remove the CRC */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1298
			if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1299
				l1 -= 4;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1300
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1301
			skb_put(skb, l1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1302
			goto copydone;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1303
		} /* if */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1304
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1305
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1306
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1307
			length = le16_to_cpu(rx_desc->wb.upper.length[j]);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1308
			if (!length)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1309
				break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1310
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1311
			ps_page = &buffer_info->ps_pages[j];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1312
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1313
				       DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1314
			ps_page->dma = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1315
			skb_fill_page_desc(skb, j, ps_page->page, 0, length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1316
			ps_page->page = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1317
			skb->len += length;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1318
			skb->data_len += length;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1319
			skb->truesize += PAGE_SIZE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1320
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1321
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1322
		/* strip the ethernet crc, problem is we're using pages now so
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1323
		 * this whole operation can get a little cpu intensive
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1324
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1325
		if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1326
			pskb_trim(skb, skb->len - 4);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1327
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1328
copydone:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1329
		total_rx_bytes += skb->len;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1330
		total_rx_packets++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1331
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1332
		e1000_rx_checksum(adapter, staterr, le16_to_cpu(
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1333
			rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1334
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1335
		if (rx_desc->wb.upper.header_status &
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1336
			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1337
			adapter->rx_hdr_split++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1338
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1339
		e1000_receive_skb(adapter, netdev, skb,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1340
				  staterr, rx_desc->wb.middle.vlan);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1341
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1342
next_desc:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1343
		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1344
		buffer_info->skb = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1345
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1346
		/* return some buffers to hardware, one at a time is too slow */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1347
		if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1348
			adapter->alloc_rx_buf(adapter, cleaned_count,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1349
					      GFP_ATOMIC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1350
			cleaned_count = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1351
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1352
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1353
		/* use prefetched values */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1354
		rx_desc = next_rxd;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1355
		buffer_info = next_buffer;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1356
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1357
		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1358
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1359
	rx_ring->next_to_clean = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1360
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1361
	cleaned_count = e1000_desc_unused(rx_ring);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1362
	if (cleaned_count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1363
		adapter->alloc_rx_buf(adapter, cleaned_count, GFP_ATOMIC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1364
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1365
	adapter->total_rx_bytes += total_rx_bytes;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1366
	adapter->total_rx_packets += total_rx_packets;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1367
	return cleaned;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1368
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1369
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1370
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1371
 * e1000_consume_page - helper function
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1372
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1373
static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1374
                               u16 length)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1375
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1376
	bi->page = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1377
	skb->len += length;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1378
	skb->data_len += length;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1379
	skb->truesize += PAGE_SIZE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1380
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1381
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1382
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1383
 * e1000_clean_jumbo_rx_irq - Send received data up the network stack; legacy
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1384
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1385
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1386
 * the return value indicates whether actual cleaning was done, there
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1387
 * is no guarantee that everything was cleaned
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1388
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1389
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1390
static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1391
                                     int *work_done, int work_to_do)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1392
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1393
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1394
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1395
	struct e1000_ring *rx_ring = adapter->rx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1396
	union e1000_rx_desc_extended *rx_desc, *next_rxd;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1397
	struct e1000_buffer *buffer_info, *next_buffer;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1398
	u32 length, staterr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1399
	unsigned int i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1400
	int cleaned_count = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1401
	bool cleaned = false;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1402
	unsigned int total_rx_bytes=0, total_rx_packets=0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1403
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1404
	i = rx_ring->next_to_clean;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1405
	rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1406
	staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1407
	buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1408
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1409
	while (staterr & E1000_RXD_STAT_DD) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1410
		struct sk_buff *skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1411
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1412
		if (*work_done >= work_to_do)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1413
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1414
		(*work_done)++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1415
		rmb();	/* read descriptor and rx_buffer_info after status DD */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1416
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1417
		skb = buffer_info->skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1418
		buffer_info->skb = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1419
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1420
		++i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1421
		if (i == rx_ring->count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1422
			i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1423
		next_rxd = E1000_RX_DESC_EXT(*rx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1424
		prefetch(next_rxd);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1425
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1426
		next_buffer = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1427
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1428
		cleaned = true;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1429
		cleaned_count++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1430
		dma_unmap_page(&pdev->dev, buffer_info->dma, PAGE_SIZE,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1431
			       DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1432
		buffer_info->dma = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1433
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1434
		length = le16_to_cpu(rx_desc->wb.upper.length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1435
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1436
		/* errors is only valid for DD + EOP descriptors */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1437
		if (unlikely((staterr & E1000_RXD_STAT_EOP) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1438
			     (staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK))) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1439
			/* recycle both page and skb */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1440
			buffer_info->skb = skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1441
			/* an error means any chain goes out the window too */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1442
			if (rx_ring->rx_skb_top)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1443
				dev_kfree_skb_irq(rx_ring->rx_skb_top);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1444
			rx_ring->rx_skb_top = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1445
			goto next_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1446
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1447
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1448
#define rxtop (rx_ring->rx_skb_top)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1449
		if (!(staterr & E1000_RXD_STAT_EOP)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1450
			/* this descriptor is only the beginning (or middle) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1451
			if (!rxtop) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1452
				/* this is the beginning of a chain */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1453
				rxtop = skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1454
				skb_fill_page_desc(rxtop, 0, buffer_info->page,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1455
				                   0, length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1456
			} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1457
				/* this is the middle of a chain */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1458
				skb_fill_page_desc(rxtop,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1459
				    skb_shinfo(rxtop)->nr_frags,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1460
				    buffer_info->page, 0, length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1461
				/* re-use the skb, only consumed the page */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1462
				buffer_info->skb = skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1463
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1464
			e1000_consume_page(buffer_info, rxtop, length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1465
			goto next_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1466
		} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1467
			if (rxtop) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1468
				/* end of the chain */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1469
				skb_fill_page_desc(rxtop,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1470
				    skb_shinfo(rxtop)->nr_frags,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1471
				    buffer_info->page, 0, length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1472
				/* re-use the current skb, we only consumed the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1473
				 * page */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1474
				buffer_info->skb = skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1475
				skb = rxtop;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1476
				rxtop = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1477
				e1000_consume_page(buffer_info, skb, length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1478
			} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1479
				/* no chain, got EOP, this buf is the packet
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1480
				 * copybreak to save the put_page/alloc_page */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1481
				if (length <= copybreak &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1482
				    skb_tailroom(skb) >= length) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1483
					u8 *vaddr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1484
					vaddr = kmap_atomic(buffer_info->page,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1485
					                   KM_SKB_DATA_SOFTIRQ);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1486
					memcpy(skb_tail_pointer(skb), vaddr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1487
					       length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1488
					kunmap_atomic(vaddr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1489
					              KM_SKB_DATA_SOFTIRQ);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1490
					/* re-use the page, so don't erase
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1491
					 * buffer_info->page */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1492
					skb_put(skb, length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1493
				} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1494
					skb_fill_page_desc(skb, 0,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1495
					                   buffer_info->page, 0,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1496
				                           length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1497
					e1000_consume_page(buffer_info, skb,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1498
					                   length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1499
				}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1500
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1501
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1502
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1503
		/* Receive Checksum Offload XXX recompute due to CRC strip? */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1504
		e1000_rx_checksum(adapter, staterr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1505
				  le16_to_cpu(rx_desc->wb.lower.hi_dword.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1506
					      csum_ip.csum), skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1507
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1508
		/* probably a little skewed due to removing CRC */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1509
		total_rx_bytes += skb->len;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1510
		total_rx_packets++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1511
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1512
		/* eth type trans needs skb->data to point to something */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1513
		if (!pskb_may_pull(skb, ETH_HLEN)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1514
			e_err("pskb_may_pull failed.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1515
			dev_kfree_skb_irq(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1516
			goto next_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1517
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1518
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1519
		e1000_receive_skb(adapter, netdev, skb, staterr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1520
				  rx_desc->wb.upper.vlan);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1521
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1522
next_desc:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1523
		rx_desc->wb.upper.status_error &= cpu_to_le32(~0xFF);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1524
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1525
		/* return some buffers to hardware, one at a time is too slow */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1526
		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1527
			adapter->alloc_rx_buf(adapter, cleaned_count,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1528
					      GFP_ATOMIC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1529
			cleaned_count = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1530
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1531
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1532
		/* use prefetched values */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1533
		rx_desc = next_rxd;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1534
		buffer_info = next_buffer;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1535
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1536
		staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1537
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1538
	rx_ring->next_to_clean = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1539
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1540
	cleaned_count = e1000_desc_unused(rx_ring);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1541
	if (cleaned_count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1542
		adapter->alloc_rx_buf(adapter, cleaned_count, GFP_ATOMIC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1543
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1544
	adapter->total_rx_bytes += total_rx_bytes;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1545
	adapter->total_rx_packets += total_rx_packets;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1546
	return cleaned;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1547
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1548
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1549
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1550
 * e1000_clean_rx_ring - Free Rx Buffers per Queue
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1551
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1552
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1553
static void e1000_clean_rx_ring(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1554
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1555
	struct e1000_ring *rx_ring = adapter->rx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1556
	struct e1000_buffer *buffer_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1557
	struct e1000_ps_page *ps_page;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1558
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1559
	unsigned int i, j;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1560
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1561
	/* Free all the Rx ring sk_buffs */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1562
	for (i = 0; i < rx_ring->count; i++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1563
		buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1564
		if (buffer_info->dma) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1565
			if (adapter->clean_rx == e1000_clean_rx_irq)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1566
				dma_unmap_single(&pdev->dev, buffer_info->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1567
						 adapter->rx_buffer_len,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1568
						 DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1569
			else if (adapter->clean_rx == e1000_clean_jumbo_rx_irq)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1570
				dma_unmap_page(&pdev->dev, buffer_info->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1571
				               PAGE_SIZE,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1572
					       DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1573
			else if (adapter->clean_rx == e1000_clean_rx_irq_ps)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1574
				dma_unmap_single(&pdev->dev, buffer_info->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1575
						 adapter->rx_ps_bsize0,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1576
						 DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1577
			buffer_info->dma = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1578
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1579
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1580
		if (buffer_info->page) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1581
			put_page(buffer_info->page);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1582
			buffer_info->page = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1583
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1584
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1585
		if (buffer_info->skb) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1586
			dev_kfree_skb(buffer_info->skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1587
			buffer_info->skb = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1588
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1589
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1590
		for (j = 0; j < PS_PAGE_BUFFERS; j++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1591
			ps_page = &buffer_info->ps_pages[j];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1592
			if (!ps_page->page)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1593
				break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1594
			dma_unmap_page(&pdev->dev, ps_page->dma, PAGE_SIZE,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1595
				       DMA_FROM_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1596
			ps_page->dma = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1597
			put_page(ps_page->page);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1598
			ps_page->page = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1599
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1600
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1601
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1602
	/* there also may be some cached data from a chained receive */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1603
	if (rx_ring->rx_skb_top) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1604
		dev_kfree_skb(rx_ring->rx_skb_top);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1605
		rx_ring->rx_skb_top = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1606
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1607
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1608
	/* Zero out the descriptor ring */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1609
	memset(rx_ring->desc, 0, rx_ring->size);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1610
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1611
	rx_ring->next_to_clean = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1612
	rx_ring->next_to_use = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1613
	adapter->flags2 &= ~FLAG2_IS_DISCARDING;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1614
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1615
	writel(0, adapter->hw.hw_addr + rx_ring->head);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1616
	writel(0, adapter->hw.hw_addr + rx_ring->tail);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1617
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1618
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1619
static void e1000e_downshift_workaround(struct work_struct *work)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1620
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1621
	struct e1000_adapter *adapter = container_of(work,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1622
					struct e1000_adapter, downshift_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1623
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1624
	if (test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1625
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1626
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1627
	e1000e_gig_downshift_workaround_ich8lan(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1628
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1629
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1630
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1631
 * e1000_intr_msi - Interrupt Handler
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1632
 * @irq: interrupt number
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1633
 * @data: pointer to a network interface device structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1634
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1635
static irqreturn_t e1000_intr_msi(int irq, void *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1636
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1637
	struct net_device *netdev = data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1638
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1639
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1640
	u32 icr = er32(ICR);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1641
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1642
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1643
	 * read ICR disables interrupts using IAM
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1644
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1645
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1646
	if (icr & E1000_ICR_LSC) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1647
		hw->mac.get_link_status = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1648
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1649
		 * ICH8 workaround-- Call gig speed drop workaround on cable
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1650
		 * disconnect (LSC) before accessing any PHY registers
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1651
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1652
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1653
		    (!(er32(STATUS) & E1000_STATUS_LU)))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1654
			schedule_work(&adapter->downshift_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1655
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1656
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1657
		 * 80003ES2LAN workaround-- For packet buffer work-around on
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1658
		 * link down event; disable receives here in the ISR and reset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1659
		 * adapter in watchdog
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1660
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1661
		if (netif_carrier_ok(netdev) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1662
		    adapter->flags & FLAG_RX_NEEDS_RESTART) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1663
			/* disable receives */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1664
			u32 rctl = er32(RCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1665
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1666
			adapter->flags |= FLAG_RX_RESTART_NOW;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1667
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1668
		/* guard against interrupt when we're going down */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1669
		if (!test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1670
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1671
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1672
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1673
	if (napi_schedule_prep(&adapter->napi)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1674
		adapter->total_tx_bytes = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1675
		adapter->total_tx_packets = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1676
		adapter->total_rx_bytes = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1677
		adapter->total_rx_packets = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1678
		__napi_schedule(&adapter->napi);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1679
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1680
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1681
	return IRQ_HANDLED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1682
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1683
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1684
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1685
 * e1000_intr - Interrupt Handler
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1686
 * @irq: interrupt number
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1687
 * @data: pointer to a network interface device structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1688
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1689
static irqreturn_t e1000_intr(int irq, void *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1690
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1691
	struct net_device *netdev = data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1692
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1693
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1694
	u32 rctl, icr = er32(ICR);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1695
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1696
	if (!icr || test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1697
		return IRQ_NONE;  /* Not our interrupt */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1698
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1699
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1700
	 * IMS will not auto-mask if INT_ASSERTED is not set, and if it is
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1701
	 * not set, then the adapter didn't send an interrupt
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1702
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1703
	if (!(icr & E1000_ICR_INT_ASSERTED))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1704
		return IRQ_NONE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1705
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1706
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1707
	 * Interrupt Auto-Mask...upon reading ICR,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1708
	 * interrupts are masked.  No need for the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1709
	 * IMC write
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1710
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1711
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1712
	if (icr & E1000_ICR_LSC) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1713
		hw->mac.get_link_status = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1714
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1715
		 * ICH8 workaround-- Call gig speed drop workaround on cable
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1716
		 * disconnect (LSC) before accessing any PHY registers
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1717
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1718
		if ((adapter->flags & FLAG_LSC_GIG_SPEED_DROP) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1719
		    (!(er32(STATUS) & E1000_STATUS_LU)))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1720
			schedule_work(&adapter->downshift_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1721
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1722
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1723
		 * 80003ES2LAN workaround--
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1724
		 * For packet buffer work-around on link down event;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1725
		 * disable receives here in the ISR and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1726
		 * reset adapter in watchdog
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1727
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1728
		if (netif_carrier_ok(netdev) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1729
		    (adapter->flags & FLAG_RX_NEEDS_RESTART)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1730
			/* disable receives */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1731
			rctl = er32(RCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1732
			ew32(RCTL, rctl & ~E1000_RCTL_EN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1733
			adapter->flags |= FLAG_RX_RESTART_NOW;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1734
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1735
		/* guard against interrupt when we're going down */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1736
		if (!test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1737
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1738
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1739
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1740
	if (napi_schedule_prep(&adapter->napi)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1741
		adapter->total_tx_bytes = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1742
		adapter->total_tx_packets = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1743
		adapter->total_rx_bytes = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1744
		adapter->total_rx_packets = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1745
		__napi_schedule(&adapter->napi);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1746
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1747
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1748
	return IRQ_HANDLED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1749
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1750
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1751
static irqreturn_t e1000_msix_other(int irq, void *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1752
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1753
	struct net_device *netdev = data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1754
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1755
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1756
	u32 icr = er32(ICR);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1757
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1758
	if (!(icr & E1000_ICR_INT_ASSERTED)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1759
		if (!test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1760
			ew32(IMS, E1000_IMS_OTHER);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1761
		return IRQ_NONE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1762
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1763
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1764
	if (icr & adapter->eiac_mask)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1765
		ew32(ICS, (icr & adapter->eiac_mask));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1766
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1767
	if (icr & E1000_ICR_OTHER) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1768
		if (!(icr & E1000_ICR_LSC))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1769
			goto no_link_interrupt;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1770
		hw->mac.get_link_status = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1771
		/* guard against interrupt when we're going down */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1772
		if (!test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1773
			mod_timer(&adapter->watchdog_timer, jiffies + 1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1774
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1775
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1776
no_link_interrupt:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1777
	if (!test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1778
		ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1779
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1780
	return IRQ_HANDLED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1781
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1782
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1783
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1784
static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1785
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1786
	struct net_device *netdev = data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1787
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1788
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1789
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1790
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1791
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1792
	adapter->total_tx_bytes = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1793
	adapter->total_tx_packets = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1794
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1795
	if (!e1000_clean_tx_irq(adapter))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1796
		/* Ring was not completely cleaned, so fire another interrupt */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1797
		ew32(ICS, tx_ring->ims_val);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1798
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1799
	return IRQ_HANDLED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1800
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1801
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1802
static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1803
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1804
	struct net_device *netdev = data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1805
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1806
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1807
	/* Write the ITR value calculated at the end of the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1808
	 * previous interrupt.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1809
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1810
	if (adapter->rx_ring->set_itr) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1811
		writel(1000000000 / (adapter->rx_ring->itr_val * 256),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1812
		       adapter->hw.hw_addr + adapter->rx_ring->itr_register);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1813
		adapter->rx_ring->set_itr = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1814
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1815
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1816
	if (napi_schedule_prep(&adapter->napi)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1817
		adapter->total_rx_bytes = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1818
		adapter->total_rx_packets = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1819
		__napi_schedule(&adapter->napi);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1820
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1821
	return IRQ_HANDLED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1822
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1823
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1824
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1825
 * e1000_configure_msix - Configure MSI-X hardware
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1826
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1827
 * e1000_configure_msix sets up the hardware to properly
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1828
 * generate MSI-X interrupts.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1829
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1830
static void e1000_configure_msix(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1831
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1832
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1833
	struct e1000_ring *rx_ring = adapter->rx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1834
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1835
	int vector = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1836
	u32 ctrl_ext, ivar = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1837
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1838
	adapter->eiac_mask = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1839
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1840
	/* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1841
	if (hw->mac.type == e1000_82574) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1842
		u32 rfctl = er32(RFCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1843
		rfctl |= E1000_RFCTL_ACK_DIS;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1844
		ew32(RFCTL, rfctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1845
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1846
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1847
#define E1000_IVAR_INT_ALLOC_VALID	0x8
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1848
	/* Configure Rx vector */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1849
	rx_ring->ims_val = E1000_IMS_RXQ0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1850
	adapter->eiac_mask |= rx_ring->ims_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1851
	if (rx_ring->itr_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1852
		writel(1000000000 / (rx_ring->itr_val * 256),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1853
		       hw->hw_addr + rx_ring->itr_register);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1854
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1855
		writel(1, hw->hw_addr + rx_ring->itr_register);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1856
	ivar = E1000_IVAR_INT_ALLOC_VALID | vector;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1857
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1858
	/* Configure Tx vector */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1859
	tx_ring->ims_val = E1000_IMS_TXQ0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1860
	vector++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1861
	if (tx_ring->itr_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1862
		writel(1000000000 / (tx_ring->itr_val * 256),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1863
		       hw->hw_addr + tx_ring->itr_register);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1864
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1865
		writel(1, hw->hw_addr + tx_ring->itr_register);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1866
	adapter->eiac_mask |= tx_ring->ims_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1867
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1868
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1869
	/* set vector for Other Causes, e.g. link changes */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1870
	vector++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1871
	ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1872
	if (rx_ring->itr_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1873
		writel(1000000000 / (rx_ring->itr_val * 256),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1874
		       hw->hw_addr + E1000_EITR_82574(vector));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1875
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1876
		writel(1, hw->hw_addr + E1000_EITR_82574(vector));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1877
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1878
	/* Cause Tx interrupts on every write back */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1879
	ivar |= (1 << 31);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1880
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1881
	ew32(IVAR, ivar);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1882
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1883
	/* enable MSI-X PBA support */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1884
	ctrl_ext = er32(CTRL_EXT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1885
	ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1886
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1887
	/* Auto-Mask Other interrupts upon ICR read */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1888
#define E1000_EIAC_MASK_82574   0x01F00000
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1889
	ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1890
	ctrl_ext |= E1000_CTRL_EXT_EIAME;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1891
	ew32(CTRL_EXT, ctrl_ext);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1892
	e1e_flush();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1893
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1894
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1895
void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1896
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1897
	if (adapter->msix_entries) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1898
		pci_disable_msix(adapter->pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1899
		kfree(adapter->msix_entries);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1900
		adapter->msix_entries = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1901
	} else if (adapter->flags & FLAG_MSI_ENABLED) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1902
		pci_disable_msi(adapter->pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1903
		adapter->flags &= ~FLAG_MSI_ENABLED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1904
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1905
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1906
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1907
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1908
 * e1000e_set_interrupt_capability - set MSI or MSI-X if supported
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1909
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1910
 * Attempt to configure interrupts using the best available
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1911
 * capabilities of the hardware and kernel.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1912
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1913
void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1914
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1915
	int err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1916
	int i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1917
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1918
	switch (adapter->int_mode) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1919
	case E1000E_INT_MODE_MSIX:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1920
		if (adapter->flags & FLAG_HAS_MSIX) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1921
			adapter->num_vectors = 3; /* RxQ0, TxQ0 and other */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1922
			adapter->msix_entries = kcalloc(adapter->num_vectors,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1923
						      sizeof(struct msix_entry),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1924
						      GFP_KERNEL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1925
			if (adapter->msix_entries) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1926
				for (i = 0; i < adapter->num_vectors; i++)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1927
					adapter->msix_entries[i].entry = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1928
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1929
				err = pci_enable_msix(adapter->pdev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1930
						      adapter->msix_entries,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1931
						      adapter->num_vectors);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1932
				if (err == 0)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1933
					return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1934
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1935
			/* MSI-X failed, so fall through and try MSI */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1936
			e_err("Failed to initialize MSI-X interrupts.  "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1937
			      "Falling back to MSI interrupts.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1938
			e1000e_reset_interrupt_capability(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1939
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1940
		adapter->int_mode = E1000E_INT_MODE_MSI;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1941
		/* Fall through */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1942
	case E1000E_INT_MODE_MSI:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1943
		if (!pci_enable_msi(adapter->pdev)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1944
			adapter->flags |= FLAG_MSI_ENABLED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1945
		} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1946
			adapter->int_mode = E1000E_INT_MODE_LEGACY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1947
			e_err("Failed to initialize MSI interrupts.  Falling "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1948
			      "back to legacy interrupts.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1949
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1950
		/* Fall through */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1951
	case E1000E_INT_MODE_LEGACY:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1952
		/* Don't do anything; this is the system default */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1953
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1954
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1955
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1956
	/* store the number of vectors being used */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1957
	adapter->num_vectors = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1958
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1959
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1960
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1961
 * e1000_request_msix - Initialize MSI-X interrupts
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1962
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1963
 * e1000_request_msix allocates MSI-X vectors and requests interrupts from the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1964
 * kernel.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1965
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1966
static int e1000_request_msix(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1967
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1968
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1969
	int err = 0, vector = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1970
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1971
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1972
		snprintf(adapter->rx_ring->name,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1973
			 sizeof(adapter->rx_ring->name) - 1,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1974
			 "%s-rx-0", netdev->name);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1975
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1976
		memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1977
	err = request_irq(adapter->msix_entries[vector].vector,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1978
			  e1000_intr_msix_rx, 0, adapter->rx_ring->name,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1979
			  netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1980
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1981
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1982
	adapter->rx_ring->itr_register = E1000_EITR_82574(vector);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1983
	adapter->rx_ring->itr_val = adapter->itr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1984
	vector++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1985
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1986
	if (strlen(netdev->name) < (IFNAMSIZ - 5))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1987
		snprintf(adapter->tx_ring->name,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1988
			 sizeof(adapter->tx_ring->name) - 1,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1989
			 "%s-tx-0", netdev->name);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1990
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1991
		memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1992
	err = request_irq(adapter->msix_entries[vector].vector,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1993
			  e1000_intr_msix_tx, 0, adapter->tx_ring->name,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1994
			  netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1995
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1996
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1997
	adapter->tx_ring->itr_register = E1000_EITR_82574(vector);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1998
	adapter->tx_ring->itr_val = adapter->itr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  1999
	vector++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2000
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2001
	err = request_irq(adapter->msix_entries[vector].vector,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2002
			  e1000_msix_other, 0, netdev->name, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2003
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2004
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2005
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2006
	e1000_configure_msix(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2007
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2008
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2009
	return err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2010
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2011
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2012
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2013
 * e1000_request_irq - initialize interrupts
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2014
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2015
 * Attempts to configure interrupts using the best available
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2016
 * capabilities of the hardware and kernel.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2017
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2018
static int e1000_request_irq(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2019
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2020
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2021
	int err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2022
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2023
	if (adapter->msix_entries) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2024
		err = e1000_request_msix(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2025
		if (!err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2026
			return err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2027
		/* fall back to MSI */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2028
		e1000e_reset_interrupt_capability(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2029
		adapter->int_mode = E1000E_INT_MODE_MSI;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2030
		e1000e_set_interrupt_capability(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2031
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2032
	if (adapter->flags & FLAG_MSI_ENABLED) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2033
		err = request_irq(adapter->pdev->irq, e1000_intr_msi, 0,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2034
				  netdev->name, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2035
		if (!err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2036
			return err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2037
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2038
		/* fall back to legacy interrupt */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2039
		e1000e_reset_interrupt_capability(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2040
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2041
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2042
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2043
	err = request_irq(adapter->pdev->irq, e1000_intr, IRQF_SHARED,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2044
			  netdev->name, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2045
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2046
		e_err("Unable to allocate interrupt, Error: %d\n", err);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2047
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2048
	return err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2049
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2050
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2051
static void e1000_free_irq(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2052
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2053
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2054
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2055
	if (adapter->msix_entries) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2056
		int vector = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2057
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2058
		free_irq(adapter->msix_entries[vector].vector, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2059
		vector++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2060
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2061
		free_irq(adapter->msix_entries[vector].vector, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2062
		vector++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2063
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2064
		/* Other Causes interrupt vector */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2065
		free_irq(adapter->msix_entries[vector].vector, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2066
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2067
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2068
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2069
	free_irq(adapter->pdev->irq, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2070
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2071
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2072
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2073
 * e1000_irq_disable - Mask off interrupt generation on the NIC
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2074
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2075
static void e1000_irq_disable(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2076
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2077
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2078
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2079
	ew32(IMC, ~0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2080
	if (adapter->msix_entries)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2081
		ew32(EIAC_82574, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2082
	e1e_flush();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2083
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2084
	if (adapter->msix_entries) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2085
		int i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2086
		for (i = 0; i < adapter->num_vectors; i++)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2087
			synchronize_irq(adapter->msix_entries[i].vector);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2088
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2089
		synchronize_irq(adapter->pdev->irq);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2090
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2091
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2092
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2093
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2094
 * e1000_irq_enable - Enable default interrupt generation settings
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2095
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2096
static void e1000_irq_enable(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2097
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2098
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2099
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2100
	if (adapter->msix_entries) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2101
		ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2102
		ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2103
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2104
		ew32(IMS, IMS_ENABLE_MASK);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2105
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2106
	e1e_flush();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2107
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2108
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2109
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2110
 * e1000e_get_hw_control - get control of the h/w from f/w
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2111
 * @adapter: address of board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2112
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2113
 * e1000e_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2114
 * For ASF and Pass Through versions of f/w this means that
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2115
 * the driver is loaded. For AMT version (only with 82573)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2116
 * of the f/w this means that the network i/f is open.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2117
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2118
void e1000e_get_hw_control(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2119
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2120
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2121
	u32 ctrl_ext;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2122
	u32 swsm;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2123
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2124
	/* Let firmware know the driver has taken over */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2125
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2126
		swsm = er32(SWSM);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2127
		ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2128
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2129
		ctrl_ext = er32(CTRL_EXT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2130
		ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2131
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2132
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2133
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2134
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2135
 * e1000e_release_hw_control - release control of the h/w to f/w
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2136
 * @adapter: address of board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2137
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2138
 * e1000e_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2139
 * For ASF and Pass Through versions of f/w this means that the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2140
 * driver is no longer loaded. For AMT version (only with 82573) i
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2141
 * of the f/w this means that the network i/f is closed.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2142
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2143
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2144
void e1000e_release_hw_control(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2145
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2146
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2147
	u32 ctrl_ext;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2148
	u32 swsm;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2149
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2150
	/* Let firmware taken over control of h/w */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2151
	if (adapter->flags & FLAG_HAS_SWSM_ON_LOAD) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2152
		swsm = er32(SWSM);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2153
		ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2154
	} else if (adapter->flags & FLAG_HAS_CTRLEXT_ON_LOAD) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2155
		ctrl_ext = er32(CTRL_EXT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2156
		ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2157
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2158
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2159
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2160
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2161
 * @e1000_alloc_ring - allocate memory for a ring structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2162
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2163
static int e1000_alloc_ring_dma(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2164
				struct e1000_ring *ring)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2165
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2166
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2167
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2168
	ring->desc = dma_alloc_coherent(&pdev->dev, ring->size, &ring->dma,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2169
					GFP_KERNEL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2170
	if (!ring->desc)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2171
		return -ENOMEM;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2172
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2173
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2174
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2175
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2176
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2177
 * e1000e_setup_tx_resources - allocate Tx resources (Descriptors)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2178
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2179
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2180
 * Return 0 on success, negative on failure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2181
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2182
int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2183
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2184
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2185
	int err = -ENOMEM, size;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2186
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2187
	size = sizeof(struct e1000_buffer) * tx_ring->count;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2188
	tx_ring->buffer_info = vzalloc(size);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2189
	if (!tx_ring->buffer_info)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2190
		goto err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2191
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2192
	/* round up to nearest 4K */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2193
	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2194
	tx_ring->size = ALIGN(tx_ring->size, 4096);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2195
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2196
	err = e1000_alloc_ring_dma(adapter, tx_ring);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2197
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2198
		goto err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2199
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2200
	tx_ring->next_to_use = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2201
	tx_ring->next_to_clean = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2202
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2203
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2204
err:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2205
	vfree(tx_ring->buffer_info);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2206
	e_err("Unable to allocate memory for the transmit descriptor ring\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2207
	return err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2208
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2209
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2210
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2211
 * e1000e_setup_rx_resources - allocate Rx resources (Descriptors)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2212
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2213
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2214
 * Returns 0 on success, negative on failure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2215
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2216
int e1000e_setup_rx_resources(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2217
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2218
	struct e1000_ring *rx_ring = adapter->rx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2219
	struct e1000_buffer *buffer_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2220
	int i, size, desc_len, err = -ENOMEM;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2221
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2222
	size = sizeof(struct e1000_buffer) * rx_ring->count;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2223
	rx_ring->buffer_info = vzalloc(size);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2224
	if (!rx_ring->buffer_info)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2225
		goto err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2226
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2227
	for (i = 0; i < rx_ring->count; i++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2228
		buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2229
		buffer_info->ps_pages = kcalloc(PS_PAGE_BUFFERS,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2230
						sizeof(struct e1000_ps_page),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2231
						GFP_KERNEL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2232
		if (!buffer_info->ps_pages)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2233
			goto err_pages;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2234
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2235
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2236
	desc_len = sizeof(union e1000_rx_desc_packet_split);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2237
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2238
	/* Round up to nearest 4K */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2239
	rx_ring->size = rx_ring->count * desc_len;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2240
	rx_ring->size = ALIGN(rx_ring->size, 4096);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2241
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2242
	err = e1000_alloc_ring_dma(adapter, rx_ring);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2243
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2244
		goto err_pages;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2245
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2246
	rx_ring->next_to_clean = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2247
	rx_ring->next_to_use = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2248
	rx_ring->rx_skb_top = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2249
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2250
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2251
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2252
err_pages:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2253
	for (i = 0; i < rx_ring->count; i++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2254
		buffer_info = &rx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2255
		kfree(buffer_info->ps_pages);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2256
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2257
err:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2258
	vfree(rx_ring->buffer_info);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2259
	e_err("Unable to allocate memory for the receive descriptor ring\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2260
	return err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2261
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2262
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2263
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2264
 * e1000_clean_tx_ring - Free Tx Buffers
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2265
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2266
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2267
static void e1000_clean_tx_ring(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2268
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2269
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2270
	struct e1000_buffer *buffer_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2271
	unsigned long size;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2272
	unsigned int i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2273
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2274
	for (i = 0; i < tx_ring->count; i++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2275
		buffer_info = &tx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2276
		e1000_put_txbuf(adapter, buffer_info);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2277
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2278
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2279
	size = sizeof(struct e1000_buffer) * tx_ring->count;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2280
	memset(tx_ring->buffer_info, 0, size);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2281
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2282
	memset(tx_ring->desc, 0, tx_ring->size);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2283
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2284
	tx_ring->next_to_use = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2285
	tx_ring->next_to_clean = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2286
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2287
	writel(0, adapter->hw.hw_addr + tx_ring->head);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2288
	writel(0, adapter->hw.hw_addr + tx_ring->tail);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2289
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2290
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2291
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2292
 * e1000e_free_tx_resources - Free Tx Resources per Queue
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2293
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2294
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2295
 * Free all transmit software resources
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2296
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2297
void e1000e_free_tx_resources(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2298
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2299
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2300
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2301
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2302
	e1000_clean_tx_ring(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2303
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2304
	vfree(tx_ring->buffer_info);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2305
	tx_ring->buffer_info = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2306
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2307
	dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2308
			  tx_ring->dma);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2309
	tx_ring->desc = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2310
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2311
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2312
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2313
 * e1000e_free_rx_resources - Free Rx Resources
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2314
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2315
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2316
 * Free all receive software resources
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2317
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2318
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2319
void e1000e_free_rx_resources(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2320
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2321
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2322
	struct e1000_ring *rx_ring = adapter->rx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2323
	int i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2324
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2325
	e1000_clean_rx_ring(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2326
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2327
	for (i = 0; i < rx_ring->count; i++)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2328
		kfree(rx_ring->buffer_info[i].ps_pages);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2329
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2330
	vfree(rx_ring->buffer_info);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2331
	rx_ring->buffer_info = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2332
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2333
	dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2334
			  rx_ring->dma);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2335
	rx_ring->desc = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2336
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2337
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2338
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2339
 * e1000_update_itr - update the dynamic ITR value based on statistics
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2340
 * @adapter: pointer to adapter
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2341
 * @itr_setting: current adapter->itr
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2342
 * @packets: the number of packets during this measurement interval
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2343
 * @bytes: the number of bytes during this measurement interval
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2344
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2345
 *      Stores a new ITR value based on packets and byte
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2346
 *      counts during the last interrupt.  The advantage of per interrupt
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2347
 *      computation is faster updates and more accurate ITR for the current
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2348
 *      traffic pattern.  Constants in this function were computed
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2349
 *      based on theoretical maximum wire speed and thresholds were set based
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2350
 *      on testing data as well as attempting to minimize response time
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2351
 *      while increasing bulk throughput.  This functionality is controlled
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2352
 *      by the InterruptThrottleRate module parameter.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2353
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2354
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2355
				     u16 itr_setting, int packets,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2356
				     int bytes)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2357
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2358
	unsigned int retval = itr_setting;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2359
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2360
	if (packets == 0)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2361
		goto update_itr_done;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2362
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2363
	switch (itr_setting) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2364
	case lowest_latency:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2365
		/* handle TSO and jumbo frames */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2366
		if (bytes/packets > 8000)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2367
			retval = bulk_latency;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2368
		else if ((packets < 5) && (bytes > 512))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2369
			retval = low_latency;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2370
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2371
	case low_latency:  /* 50 usec aka 20000 ints/s */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2372
		if (bytes > 10000) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2373
			/* this if handles the TSO accounting */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2374
			if (bytes/packets > 8000)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2375
				retval = bulk_latency;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2376
			else if ((packets < 10) || ((bytes/packets) > 1200))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2377
				retval = bulk_latency;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2378
			else if ((packets > 35))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2379
				retval = lowest_latency;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2380
		} else if (bytes/packets > 2000) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2381
			retval = bulk_latency;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2382
		} else if (packets <= 2 && bytes < 512) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2383
			retval = lowest_latency;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2384
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2385
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2386
	case bulk_latency: /* 250 usec aka 4000 ints/s */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2387
		if (bytes > 25000) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2388
			if (packets > 35)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2389
				retval = low_latency;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2390
		} else if (bytes < 6000) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2391
			retval = low_latency;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2392
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2393
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2394
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2395
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2396
update_itr_done:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2397
	return retval;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2398
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2399
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2400
static void e1000_set_itr(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2401
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2402
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2403
	u16 current_itr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2404
	u32 new_itr = adapter->itr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2405
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2406
	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2407
	if (adapter->link_speed != SPEED_1000) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2408
		current_itr = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2409
		new_itr = 4000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2410
		goto set_itr_now;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2411
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2412
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2413
	if (adapter->flags2 & FLAG2_DISABLE_AIM) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2414
		new_itr = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2415
		goto set_itr_now;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2416
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2417
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2418
	adapter->tx_itr = e1000_update_itr(adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2419
				    adapter->tx_itr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2420
				    adapter->total_tx_packets,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2421
				    adapter->total_tx_bytes);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2422
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2423
	if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2424
		adapter->tx_itr = low_latency;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2425
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2426
	adapter->rx_itr = e1000_update_itr(adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2427
				    adapter->rx_itr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2428
				    adapter->total_rx_packets,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2429
				    adapter->total_rx_bytes);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2430
	/* conservative mode (itr 3) eliminates the lowest_latency setting */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2431
	if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2432
		adapter->rx_itr = low_latency;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2433
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2434
	current_itr = max(adapter->rx_itr, adapter->tx_itr);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2435
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2436
	switch (current_itr) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2437
	/* counts and packets in update_itr are dependent on these numbers */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2438
	case lowest_latency:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2439
		new_itr = 70000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2440
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2441
	case low_latency:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2442
		new_itr = 20000; /* aka hwitr = ~200 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2443
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2444
	case bulk_latency:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2445
		new_itr = 4000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2446
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2447
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2448
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2449
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2450
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2451
set_itr_now:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2452
	if (new_itr != adapter->itr) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2453
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2454
		 * this attempts to bias the interrupt rate towards Bulk
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2455
		 * by adding intermediate steps when interrupt rate is
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2456
		 * increasing
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2457
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2458
		new_itr = new_itr > adapter->itr ?
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2459
			     min(adapter->itr + (new_itr >> 2), new_itr) :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2460
			     new_itr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2461
		adapter->itr = new_itr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2462
		adapter->rx_ring->itr_val = new_itr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2463
		if (adapter->msix_entries)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2464
			adapter->rx_ring->set_itr = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2465
		else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2466
			if (new_itr)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2467
				ew32(ITR, 1000000000 / (new_itr * 256));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2468
			else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2469
				ew32(ITR, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2470
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2471
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2472
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2473
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2474
 * e1000_alloc_queues - Allocate memory for all rings
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2475
 * @adapter: board private structure to initialize
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2476
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2477
static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2478
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2479
	adapter->tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2480
	if (!adapter->tx_ring)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2481
		goto err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2482
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2483
	adapter->rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2484
	if (!adapter->rx_ring)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2485
		goto err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2486
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2487
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2488
err:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2489
	e_err("Unable to allocate memory for queues\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2490
	kfree(adapter->rx_ring);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2491
	kfree(adapter->tx_ring);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2492
	return -ENOMEM;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2493
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2494
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2495
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2496
 * e1000_clean - NAPI Rx polling callback
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2497
 * @napi: struct associated with this polling callback
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2498
 * @budget: amount of packets driver is allowed to process this poll
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2499
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2500
static int e1000_clean(struct napi_struct *napi, int budget)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2501
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2502
	struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2503
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2504
	struct net_device *poll_dev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2505
	int tx_cleaned = 1, work_done = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2506
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2507
	adapter = netdev_priv(poll_dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2508
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2509
	if (adapter->msix_entries &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2510
	    !(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2511
		goto clean_rx;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2512
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2513
	tx_cleaned = e1000_clean_tx_irq(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2514
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2515
clean_rx:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2516
	adapter->clean_rx(adapter, &work_done, budget);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2517
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2518
	if (!tx_cleaned)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2519
		work_done = budget;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2520
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2521
	/* If budget not fully consumed, exit the polling mode */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2522
	if (work_done < budget) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2523
		if (adapter->itr_setting & 3)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2524
			e1000_set_itr(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2525
		napi_complete(napi);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2526
		if (!test_bit(__E1000_DOWN, &adapter->state)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2527
			if (adapter->msix_entries)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2528
				ew32(IMS, adapter->rx_ring->ims_val);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2529
			else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2530
				e1000_irq_enable(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2531
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2532
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2533
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2534
	return work_done;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2535
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2536
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2537
static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2538
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2539
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2540
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2541
	u32 vfta, index;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2542
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2543
	/* don't update vlan cookie if already programmed */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2544
	if ((adapter->hw.mng_cookie.status &
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2545
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2546
	    (vid == adapter->mng_vlan_id))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2547
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2548
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2549
	/* add VID to filter table */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2550
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2551
		index = (vid >> 5) & 0x7F;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2552
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2553
		vfta |= (1 << (vid & 0x1F));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2554
		hw->mac.ops.write_vfta(hw, index, vfta);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2555
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2556
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2557
	set_bit(vid, adapter->active_vlans);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2558
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2559
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2560
static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2561
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2562
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2563
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2564
	u32 vfta, index;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2565
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2566
	if ((adapter->hw.mng_cookie.status &
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2567
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2568
	    (vid == adapter->mng_vlan_id)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2569
		/* release control to f/w */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2570
		e1000e_release_hw_control(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2571
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2572
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2573
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2574
	/* remove VID from filter table */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2575
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2576
		index = (vid >> 5) & 0x7F;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2577
		vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, index);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2578
		vfta &= ~(1 << (vid & 0x1F));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2579
		hw->mac.ops.write_vfta(hw, index, vfta);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2580
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2581
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2582
	clear_bit(vid, adapter->active_vlans);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2583
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2584
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2585
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2586
 * e1000e_vlan_filter_disable - helper to disable hw VLAN filtering
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2587
 * @adapter: board private structure to initialize
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2588
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2589
static void e1000e_vlan_filter_disable(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2590
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2591
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2592
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2593
	u32 rctl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2594
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2595
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2596
		/* disable VLAN receive filtering */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2597
		rctl = er32(RCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2598
		rctl &= ~(E1000_RCTL_VFE | E1000_RCTL_CFIEN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2599
		ew32(RCTL, rctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2600
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2601
		if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2602
			e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2603
			adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2604
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2605
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2606
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2607
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2608
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2609
 * e1000e_vlan_filter_enable - helper to enable HW VLAN filtering
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2610
 * @adapter: board private structure to initialize
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2611
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2612
static void e1000e_vlan_filter_enable(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2613
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2614
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2615
	u32 rctl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2616
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2617
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2618
		/* enable VLAN receive filtering */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2619
		rctl = er32(RCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2620
		rctl |= E1000_RCTL_VFE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2621
		rctl &= ~E1000_RCTL_CFIEN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2622
		ew32(RCTL, rctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2623
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2624
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2625
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2626
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2627
 * e1000e_vlan_strip_enable - helper to disable HW VLAN stripping
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2628
 * @adapter: board private structure to initialize
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2629
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2630
static void e1000e_vlan_strip_disable(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2631
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2632
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2633
	u32 ctrl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2634
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2635
	/* disable VLAN tag insert/strip */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2636
	ctrl = er32(CTRL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2637
	ctrl &= ~E1000_CTRL_VME;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2638
	ew32(CTRL, ctrl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2639
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2640
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2641
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2642
 * e1000e_vlan_strip_enable - helper to enable HW VLAN stripping
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2643
 * @adapter: board private structure to initialize
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2644
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2645
static void e1000e_vlan_strip_enable(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2646
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2647
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2648
	u32 ctrl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2649
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2650
	/* enable VLAN tag insert/strip */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2651
	ctrl = er32(CTRL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2652
	ctrl |= E1000_CTRL_VME;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2653
	ew32(CTRL, ctrl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2654
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2655
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2656
static void e1000_update_mng_vlan(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2657
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2658
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2659
	u16 vid = adapter->hw.mng_cookie.vlan_id;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2660
	u16 old_vid = adapter->mng_vlan_id;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2661
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2662
	if (adapter->hw.mng_cookie.status &
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2663
	    E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2664
		e1000_vlan_rx_add_vid(netdev, vid);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2665
		adapter->mng_vlan_id = vid;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2666
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2667
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2668
	if ((old_vid != (u16)E1000_MNG_VLAN_NONE) && (vid != old_vid))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2669
		e1000_vlan_rx_kill_vid(netdev, old_vid);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2670
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2671
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2672
static void e1000_restore_vlan(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2673
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2674
	u16 vid;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2675
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2676
	e1000_vlan_rx_add_vid(adapter->netdev, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2677
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2678
	for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2679
		e1000_vlan_rx_add_vid(adapter->netdev, vid);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2680
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2681
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2682
static void e1000_init_manageability_pt(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2683
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2684
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2685
	u32 manc, manc2h, mdef, i, j;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2686
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2687
	if (!(adapter->flags & FLAG_MNG_PT_ENABLED))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2688
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2689
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2690
	manc = er32(MANC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2691
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2692
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2693
	 * enable receiving management packets to the host. this will probably
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2694
	 * generate destination unreachable messages from the host OS, but
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2695
	 * the packets will be handled on SMBUS
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2696
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2697
	manc |= E1000_MANC_EN_MNG2HOST;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2698
	manc2h = er32(MANC2H);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2699
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2700
	switch (hw->mac.type) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2701
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2702
		manc2h |= (E1000_MANC2H_PORT_623 | E1000_MANC2H_PORT_664);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2703
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2704
	case e1000_82574:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2705
	case e1000_82583:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2706
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2707
		 * Check if IPMI pass-through decision filter already exists;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2708
		 * if so, enable it.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2709
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2710
		for (i = 0, j = 0; i < 8; i++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2711
			mdef = er32(MDEF(i));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2712
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2713
			/* Ignore filters with anything other than IPMI ports */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2714
			if (mdef & ~(E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2715
				continue;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2716
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2717
			/* Enable this decision filter in MANC2H */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2718
			if (mdef)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2719
				manc2h |= (1 << i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2720
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2721
			j |= mdef;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2722
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2723
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2724
		if (j == (E1000_MDEF_PORT_623 | E1000_MDEF_PORT_664))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2725
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2726
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2727
		/* Create new decision filter in an empty filter */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2728
		for (i = 0, j = 0; i < 8; i++)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2729
			if (er32(MDEF(i)) == 0) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2730
				ew32(MDEF(i), (E1000_MDEF_PORT_623 |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2731
					       E1000_MDEF_PORT_664));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2732
				manc2h |= (1 << 1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2733
				j++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2734
				break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2735
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2736
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2737
		if (!j)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2738
			e_warn("Unable to create IPMI pass-through filter\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2739
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2740
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2741
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2742
	ew32(MANC2H, manc2h);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2743
	ew32(MANC, manc);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2744
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2745
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2746
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2747
 * e1000_configure_tx - Configure Transmit Unit after Reset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2748
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2749
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2750
 * Configure the Tx unit of the MAC after a reset.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2751
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2752
static void e1000_configure_tx(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2753
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2754
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2755
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2756
	u64 tdba;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2757
	u32 tdlen, tctl, tipg, tarc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2758
	u32 ipgr1, ipgr2;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2759
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2760
	/* Setup the HW Tx Head and Tail descriptor pointers */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2761
	tdba = tx_ring->dma;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2762
	tdlen = tx_ring->count * sizeof(struct e1000_tx_desc);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2763
	ew32(TDBAL, (tdba & DMA_BIT_MASK(32)));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2764
	ew32(TDBAH, (tdba >> 32));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2765
	ew32(TDLEN, tdlen);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2766
	ew32(TDH, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2767
	ew32(TDT, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2768
	tx_ring->head = E1000_TDH;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2769
	tx_ring->tail = E1000_TDT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2770
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2771
	/* Set the default values for the Tx Inter Packet Gap timer */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2772
	tipg = DEFAULT_82543_TIPG_IPGT_COPPER;          /*  8  */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2773
	ipgr1 = DEFAULT_82543_TIPG_IPGR1;               /*  8  */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2774
	ipgr2 = DEFAULT_82543_TIPG_IPGR2;               /*  6  */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2775
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2776
	if (adapter->flags & FLAG_TIPG_MEDIUM_FOR_80003ESLAN)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2777
		ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2; /*  7  */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2778
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2779
	tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2780
	tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2781
	ew32(TIPG, tipg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2782
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2783
	/* Set the Tx Interrupt Delay register */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2784
	ew32(TIDV, adapter->tx_int_delay);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2785
	/* Tx irq moderation */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2786
	ew32(TADV, adapter->tx_abs_int_delay);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2787
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2788
	if (adapter->flags2 & FLAG2_DMA_BURST) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2789
		u32 txdctl = er32(TXDCTL(0));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2790
		txdctl &= ~(E1000_TXDCTL_PTHRESH | E1000_TXDCTL_HTHRESH |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2791
			    E1000_TXDCTL_WTHRESH);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2792
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2793
		 * set up some performance related parameters to encourage the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2794
		 * hardware to use the bus more efficiently in bursts, depends
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2795
		 * on the tx_int_delay to be enabled,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2796
		 * wthresh = 5 ==> burst write a cacheline (64 bytes) at a time
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2797
		 * hthresh = 1 ==> prefetch when one or more available
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2798
		 * pthresh = 0x1f ==> prefetch if internal cache 31 or less
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2799
		 * BEWARE: this seems to work but should be considered first if
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2800
		 * there are Tx hangs or other Tx related bugs
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2801
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2802
		txdctl |= E1000_TXDCTL_DMA_BURST_ENABLE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2803
		ew32(TXDCTL(0), txdctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2804
		/* erratum work around: set txdctl the same for both queues */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2805
		ew32(TXDCTL(1), txdctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2806
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2807
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2808
	/* Program the Transmit Control Register */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2809
	tctl = er32(TCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2810
	tctl &= ~E1000_TCTL_CT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2811
	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2812
		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2813
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2814
	if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2815
		tarc = er32(TARC(0));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2816
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2817
		 * set the speed mode bit, we'll clear it if we're not at
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2818
		 * gigabit link later
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2819
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2820
#define SPEED_MODE_BIT (1 << 21)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2821
		tarc |= SPEED_MODE_BIT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2822
		ew32(TARC(0), tarc);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2823
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2824
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2825
	/* errata: program both queues to unweighted RR */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2826
	if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2827
		tarc = er32(TARC(0));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2828
		tarc |= 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2829
		ew32(TARC(0), tarc);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2830
		tarc = er32(TARC(1));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2831
		tarc |= 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2832
		ew32(TARC(1), tarc);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2833
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2834
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2835
	/* Setup Transmit Descriptor Settings for eop descriptor */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2836
	adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2837
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2838
	/* only set IDE if we are delaying interrupts using the timers */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2839
	if (adapter->tx_int_delay)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2840
		adapter->txd_cmd |= E1000_TXD_CMD_IDE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2841
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2842
	/* enable Report Status bit */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2843
	adapter->txd_cmd |= E1000_TXD_CMD_RS;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2844
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2845
	ew32(TCTL, tctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2846
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2847
	e1000e_config_collision_dist(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2848
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2849
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2850
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2851
 * e1000_setup_rctl - configure the receive control registers
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2852
 * @adapter: Board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2853
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2854
#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2855
			   (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2856
static void e1000_setup_rctl(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2857
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2858
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2859
	u32 rctl, rfctl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2860
	u32 pages = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2861
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2862
	/* Workaround Si errata on 82579 - configure jumbo frame flow */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2863
	if (hw->mac.type == e1000_pch2lan) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2864
		s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2865
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2866
		if (adapter->netdev->mtu > ETH_DATA_LEN)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2867
			ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2868
		else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2869
			ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2870
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2871
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2872
			e_dbg("failed to enable jumbo frame workaround mode\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2873
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2874
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2875
	/* Program MC offset vector base */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2876
	rctl = er32(RCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2877
	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2878
	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2879
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2880
		(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2881
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2882
	/* Do not Store bad packets */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2883
	rctl &= ~E1000_RCTL_SBP;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2884
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2885
	/* Enable Long Packet receive */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2886
	if (adapter->netdev->mtu <= ETH_DATA_LEN)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2887
		rctl &= ~E1000_RCTL_LPE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2888
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2889
		rctl |= E1000_RCTL_LPE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2890
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2891
	/* Some systems expect that the CRC is included in SMBUS traffic. The
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2892
	 * hardware strips the CRC before sending to both SMBUS (BMC) and to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2893
	 * host memory when this is enabled
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2894
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2895
	if (adapter->flags2 & FLAG2_CRC_STRIPPING)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2896
		rctl |= E1000_RCTL_SECRC;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2897
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2898
	/* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2899
	if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2900
		u16 phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2901
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2902
		e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2903
		phy_data &= 0xfff8;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2904
		phy_data |= (1 << 2);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2905
		e1e_wphy(hw, PHY_REG(770, 26), phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2906
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2907
		e1e_rphy(hw, 22, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2908
		phy_data &= 0x0fff;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2909
		phy_data |= (1 << 14);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2910
		e1e_wphy(hw, 0x10, 0x2823);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2911
		e1e_wphy(hw, 0x11, 0x0003);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2912
		e1e_wphy(hw, 22, phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2913
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2914
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2915
	/* Setup buffer sizes */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2916
	rctl &= ~E1000_RCTL_SZ_4096;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2917
	rctl |= E1000_RCTL_BSEX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2918
	switch (adapter->rx_buffer_len) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2919
	case 2048:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2920
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2921
		rctl |= E1000_RCTL_SZ_2048;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2922
		rctl &= ~E1000_RCTL_BSEX;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2923
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2924
	case 4096:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2925
		rctl |= E1000_RCTL_SZ_4096;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2926
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2927
	case 8192:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2928
		rctl |= E1000_RCTL_SZ_8192;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2929
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2930
	case 16384:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2931
		rctl |= E1000_RCTL_SZ_16384;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2932
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2933
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2934
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2935
	/* Enable Extended Status in all Receive Descriptors */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2936
	rfctl = er32(RFCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2937
	rfctl |= E1000_RFCTL_EXTEN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2938
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2939
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2940
	 * 82571 and greater support packet-split where the protocol
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2941
	 * header is placed in skb->data and the packet data is
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2942
	 * placed in pages hanging off of skb_shinfo(skb)->nr_frags.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2943
	 * In the case of a non-split, skb->data is linearly filled,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2944
	 * followed by the page buffers.  Therefore, skb->data is
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2945
	 * sized to hold the largest protocol header.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2946
	 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2947
	 * allocations using alloc_page take too long for regular MTU
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2948
	 * so only enable packet split for jumbo frames
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2949
	 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2950
	 * Using pages when the page size is greater than 16k wastes
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2951
	 * a lot of memory, since we allocate 3 pages at all times
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2952
	 * per packet.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2953
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2954
	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2955
	if (!(adapter->flags & FLAG_HAS_ERT) && (pages <= 3) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2956
	    (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2957
		adapter->rx_ps_pages = pages;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2958
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2959
		adapter->rx_ps_pages = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2960
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2961
	if (adapter->rx_ps_pages) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2962
		u32 psrctl = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2963
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2964
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2965
		 * disable packet split support for IPv6 extension headers,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2966
		 * because some malformed IPv6 headers can hang the Rx
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2967
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2968
		rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2969
			  E1000_RFCTL_NEW_IPV6_EXT_DIS);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2970
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2971
		/* Enable Packet split descriptors */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2972
		rctl |= E1000_RCTL_DTYP_PS;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2973
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2974
		psrctl |= adapter->rx_ps_bsize0 >>
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2975
			E1000_PSRCTL_BSIZE0_SHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2976
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2977
		switch (adapter->rx_ps_pages) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2978
		case 3:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2979
			psrctl |= PAGE_SIZE <<
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2980
				E1000_PSRCTL_BSIZE3_SHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2981
		case 2:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2982
			psrctl |= PAGE_SIZE <<
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2983
				E1000_PSRCTL_BSIZE2_SHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2984
		case 1:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2985
			psrctl |= PAGE_SIZE >>
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2986
				E1000_PSRCTL_BSIZE1_SHIFT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2987
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2988
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2989
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2990
		ew32(PSRCTL, psrctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2991
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2992
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2993
	ew32(RFCTL, rfctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2994
	ew32(RCTL, rctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2995
	/* just started the receive unit, no need to restart */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2996
	adapter->flags &= ~FLAG_RX_RESTART_NOW;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2997
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2998
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  2999
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3000
 * e1000_configure_rx - Configure Receive Unit after Reset
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3001
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3002
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3003
 * Configure the Rx unit of the MAC after a reset.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3004
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3005
static void e1000_configure_rx(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3006
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3007
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3008
	struct e1000_ring *rx_ring = adapter->rx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3009
	u64 rdba;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3010
	u32 rdlen, rctl, rxcsum, ctrl_ext;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3011
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3012
	if (adapter->rx_ps_pages) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3013
		/* this is a 32 byte descriptor */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3014
		rdlen = rx_ring->count *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3015
		    sizeof(union e1000_rx_desc_packet_split);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3016
		adapter->clean_rx = e1000_clean_rx_irq_ps;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3017
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3018
	} else if (adapter->netdev->mtu > ETH_FRAME_LEN + ETH_FCS_LEN) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3019
		rdlen = rx_ring->count * sizeof(union e1000_rx_desc_extended);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3020
		adapter->clean_rx = e1000_clean_jumbo_rx_irq;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3021
		adapter->alloc_rx_buf = e1000_alloc_jumbo_rx_buffers;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3022
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3023
		rdlen = rx_ring->count * sizeof(union e1000_rx_desc_extended);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3024
		adapter->clean_rx = e1000_clean_rx_irq;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3025
		adapter->alloc_rx_buf = e1000_alloc_rx_buffers;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3026
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3027
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3028
	/* disable receives while setting up the descriptors */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3029
	rctl = er32(RCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3030
	if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3031
		ew32(RCTL, rctl & ~E1000_RCTL_EN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3032
	e1e_flush();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3033
	usleep_range(10000, 20000);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3034
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3035
	if (adapter->flags2 & FLAG2_DMA_BURST) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3036
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3037
		 * set the writeback threshold (only takes effect if the RDTR
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3038
		 * is set). set GRAN=1 and write back up to 0x4 worth, and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3039
		 * enable prefetching of 0x20 Rx descriptors
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3040
		 * granularity = 01
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3041
		 * wthresh = 04,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3042
		 * hthresh = 04,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3043
		 * pthresh = 0x20
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3044
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3045
		ew32(RXDCTL(0), E1000_RXDCTL_DMA_BURST_ENABLE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3046
		ew32(RXDCTL(1), E1000_RXDCTL_DMA_BURST_ENABLE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3047
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3048
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3049
		 * override the delay timers for enabling bursting, only if
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3050
		 * the value was not set by the user via module options
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3051
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3052
		if (adapter->rx_int_delay == DEFAULT_RDTR)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3053
			adapter->rx_int_delay = BURST_RDTR;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3054
		if (adapter->rx_abs_int_delay == DEFAULT_RADV)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3055
			adapter->rx_abs_int_delay = BURST_RADV;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3056
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3057
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3058
	/* set the Receive Delay Timer Register */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3059
	ew32(RDTR, adapter->rx_int_delay);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3060
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3061
	/* irq moderation */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3062
	ew32(RADV, adapter->rx_abs_int_delay);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3063
	if ((adapter->itr_setting != 0) && (adapter->itr != 0))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3064
		ew32(ITR, 1000000000 / (adapter->itr * 256));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3065
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3066
	ctrl_ext = er32(CTRL_EXT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3067
	/* Auto-Mask interrupts upon ICR access */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3068
	ctrl_ext |= E1000_CTRL_EXT_IAME;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3069
	ew32(IAM, 0xffffffff);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3070
	ew32(CTRL_EXT, ctrl_ext);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3071
	e1e_flush();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3072
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3073
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3074
	 * Setup the HW Rx Head and Tail Descriptor Pointers and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3075
	 * the Base and Length of the Rx Descriptor Ring
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3076
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3077
	rdba = rx_ring->dma;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3078
	ew32(RDBAL, (rdba & DMA_BIT_MASK(32)));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3079
	ew32(RDBAH, (rdba >> 32));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3080
	ew32(RDLEN, rdlen);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3081
	ew32(RDH, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3082
	ew32(RDT, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3083
	rx_ring->head = E1000_RDH;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3084
	rx_ring->tail = E1000_RDT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3085
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3086
	/* Enable Receive Checksum Offload for TCP and UDP */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3087
	rxcsum = er32(RXCSUM);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3088
	if (adapter->netdev->features & NETIF_F_RXCSUM) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3089
		rxcsum |= E1000_RXCSUM_TUOFL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3090
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3091
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3092
		 * IPv4 payload checksum for UDP fragments must be
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3093
		 * used in conjunction with packet-split.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3094
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3095
		if (adapter->rx_ps_pages)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3096
			rxcsum |= E1000_RXCSUM_IPPCSE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3097
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3098
		rxcsum &= ~E1000_RXCSUM_TUOFL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3099
		/* no need to clear IPPCSE as it defaults to 0 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3100
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3101
	ew32(RXCSUM, rxcsum);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3102
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3103
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3104
	 * Enable early receives on supported devices, only takes effect when
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3105
	 * packet size is equal or larger than the specified value (in 8 byte
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3106
	 * units), e.g. using jumbo frames when setting to E1000_ERT_2048
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3107
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3108
	if ((adapter->flags & FLAG_HAS_ERT) ||
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3109
	    (adapter->hw.mac.type == e1000_pch2lan)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3110
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3111
			u32 rxdctl = er32(RXDCTL(0));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3112
			ew32(RXDCTL(0), rxdctl | 0x3);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3113
			if (adapter->flags & FLAG_HAS_ERT)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3114
				ew32(ERT, E1000_ERT_2048 | (1 << 13));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3115
			/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3116
			 * With jumbo frames and early-receive enabled,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3117
			 * excessive C-state transition latencies result in
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3118
			 * dropped transactions.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3119
			 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3120
			pm_qos_update_request(&adapter->netdev->pm_qos_req, 55);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3121
		} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3122
			pm_qos_update_request(&adapter->netdev->pm_qos_req,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3123
					      PM_QOS_DEFAULT_VALUE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3124
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3125
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3126
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3127
	/* Enable Receives */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3128
	ew32(RCTL, rctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3129
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3130
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3131
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3132
 *  e1000_update_mc_addr_list - Update Multicast addresses
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3133
 *  @hw: pointer to the HW structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3134
 *  @mc_addr_list: array of multicast addresses to program
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3135
 *  @mc_addr_count: number of multicast addresses to program
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3136
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3137
 *  Updates the Multicast Table Array.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3138
 *  The caller must have a packed mc_addr_list of multicast addresses.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3139
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3140
static void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3141
				      u32 mc_addr_count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3142
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3143
	hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, mc_addr_count);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3144
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3145
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3146
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3147
 * e1000_set_multi - Multicast and Promiscuous mode set
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3148
 * @netdev: network interface device structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3149
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3150
 * The set_multi entry point is called whenever the multicast address
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3151
 * list or the network interface flags are updated.  This routine is
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3152
 * responsible for configuring the hardware for proper multicast,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3153
 * promiscuous mode, and all-multi behavior.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3154
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3155
static void e1000_set_multi(struct net_device *netdev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3156
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3157
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3158
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3159
	struct netdev_hw_addr *ha;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3160
	u8  *mta_list;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3161
	u32 rctl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3162
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3163
	/* Check for Promiscuous and All Multicast modes */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3164
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3165
	rctl = er32(RCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3166
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3167
	if (netdev->flags & IFF_PROMISC) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3168
		rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3169
		rctl &= ~E1000_RCTL_VFE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3170
		/* Do not hardware filter VLANs in promisc mode */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3171
		e1000e_vlan_filter_disable(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3172
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3173
		if (netdev->flags & IFF_ALLMULTI) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3174
			rctl |= E1000_RCTL_MPE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3175
			rctl &= ~E1000_RCTL_UPE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3176
		} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3177
			rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3178
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3179
		e1000e_vlan_filter_enable(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3180
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3181
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3182
	ew32(RCTL, rctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3183
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3184
	if (!netdev_mc_empty(netdev)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3185
		int i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3186
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3187
		mta_list = kmalloc(netdev_mc_count(netdev) * 6, GFP_ATOMIC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3188
		if (!mta_list)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3189
			return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3190
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3191
		/* prepare a packed array of only addresses. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3192
		netdev_for_each_mc_addr(ha, netdev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3193
			memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3194
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3195
		e1000_update_mc_addr_list(hw, mta_list, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3196
		kfree(mta_list);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3197
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3198
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3199
		 * if we're called from probe, we might not have
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3200
		 * anything to do here, so clear out the list
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3201
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3202
		e1000_update_mc_addr_list(hw, NULL, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3203
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3204
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3205
	if (netdev->features & NETIF_F_HW_VLAN_RX)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3206
		e1000e_vlan_strip_enable(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3207
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3208
		e1000e_vlan_strip_disable(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3209
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3210
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3211
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3212
 * e1000_configure - configure the hardware for Rx and Tx
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3213
 * @adapter: private board structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3214
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3215
static void e1000_configure(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3216
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3217
	e1000_set_multi(adapter->netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3218
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3219
	e1000_restore_vlan(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3220
	e1000_init_manageability_pt(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3221
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3222
	e1000_configure_tx(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3223
	e1000_setup_rctl(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3224
	e1000_configure_rx(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3225
	adapter->alloc_rx_buf(adapter, e1000_desc_unused(adapter->rx_ring),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3226
			      GFP_KERNEL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3227
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3228
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3229
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3230
 * e1000e_power_up_phy - restore link in case the phy was powered down
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3231
 * @adapter: address of board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3232
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3233
 * The phy may be powered down to save power and turn off link when the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3234
 * driver is unloaded and wake on lan is not enabled (among others)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3235
 * *** this routine MUST be followed by a call to e1000e_reset ***
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3236
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3237
void e1000e_power_up_phy(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3238
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3239
	if (adapter->hw.phy.ops.power_up)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3240
		adapter->hw.phy.ops.power_up(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3241
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3242
	adapter->hw.mac.ops.setup_link(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3243
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3244
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3245
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3246
 * e1000_power_down_phy - Power down the PHY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3247
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3248
 * Power down the PHY so no link is implied when interface is down.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3249
 * The PHY cannot be powered down if management or WoL is active.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3250
 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3251
static void e1000_power_down_phy(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3252
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3253
	/* WoL is enabled */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3254
	if (adapter->wol)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3255
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3256
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3257
	if (adapter->hw.phy.ops.power_down)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3258
		adapter->hw.phy.ops.power_down(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3259
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3260
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3261
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3262
 * e1000e_reset - bring the hardware into a known good state
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3263
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3264
 * This function boots the hardware and enables some settings that
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3265
 * require a configuration cycle of the hardware - those cannot be
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3266
 * set/changed during runtime. After reset the device needs to be
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3267
 * properly configured for Rx, Tx etc.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3268
 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3269
void e1000e_reset(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3270
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3271
	struct e1000_mac_info *mac = &adapter->hw.mac;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3272
	struct e1000_fc_info *fc = &adapter->hw.fc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3273
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3274
	u32 tx_space, min_tx_space, min_rx_space;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3275
	u32 pba = adapter->pba;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3276
	u16 hwm;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3277
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3278
	/* reset Packet Buffer Allocation to default */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3279
	ew32(PBA, pba);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3280
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3281
	if (adapter->max_frame_size > ETH_FRAME_LEN + ETH_FCS_LEN) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3282
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3283
		 * To maintain wire speed transmits, the Tx FIFO should be
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3284
		 * large enough to accommodate two full transmit packets,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3285
		 * rounded up to the next 1KB and expressed in KB.  Likewise,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3286
		 * the Rx FIFO should be large enough to accommodate at least
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3287
		 * one full receive packet and is similarly rounded up and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3288
		 * expressed in KB.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3289
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3290
		pba = er32(PBA);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3291
		/* upper 16 bits has Tx packet buffer allocation size in KB */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3292
		tx_space = pba >> 16;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3293
		/* lower 16 bits has Rx packet buffer allocation size in KB */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3294
		pba &= 0xffff;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3295
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3296
		 * the Tx fifo also stores 16 bytes of information about the Tx
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3297
		 * but don't include ethernet FCS because hardware appends it
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3298
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3299
		min_tx_space = (adapter->max_frame_size +
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3300
				sizeof(struct e1000_tx_desc) -
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3301
				ETH_FCS_LEN) * 2;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3302
		min_tx_space = ALIGN(min_tx_space, 1024);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3303
		min_tx_space >>= 10;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3304
		/* software strips receive CRC, so leave room for it */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3305
		min_rx_space = adapter->max_frame_size;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3306
		min_rx_space = ALIGN(min_rx_space, 1024);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3307
		min_rx_space >>= 10;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3308
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3309
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3310
		 * If current Tx allocation is less than the min Tx FIFO size,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3311
		 * and the min Tx FIFO size is less than the current Rx FIFO
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3312
		 * allocation, take space away from current Rx allocation
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3313
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3314
		if ((tx_space < min_tx_space) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3315
		    ((min_tx_space - tx_space) < pba)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3316
			pba -= min_tx_space - tx_space;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3317
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3318
			/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3319
			 * if short on Rx space, Rx wins and must trump Tx
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3320
			 * adjustment or use Early Receive if available
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3321
			 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3322
			if ((pba < min_rx_space) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3323
			    (!(adapter->flags & FLAG_HAS_ERT)))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3324
				/* ERT enabled in e1000_configure_rx */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3325
				pba = min_rx_space;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3326
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3327
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3328
		ew32(PBA, pba);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3329
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3330
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3331
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3332
	 * flow control settings
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3333
	 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3334
	 * The high water mark must be low enough to fit one full frame
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3335
	 * (or the size used for early receive) above it in the Rx FIFO.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3336
	 * Set it to the lower of:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3337
	 * - 90% of the Rx FIFO size, and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3338
	 * - the full Rx FIFO size minus the early receive size (for parts
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3339
	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3340
	 * - the full Rx FIFO size minus one full frame
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3341
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3342
	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3343
		fc->pause_time = 0xFFFF;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3344
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3345
		fc->pause_time = E1000_FC_PAUSE_TIME;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3346
	fc->send_xon = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3347
	fc->current_mode = fc->requested_mode;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3348
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3349
	switch (hw->mac.type) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3350
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3351
		if ((adapter->flags & FLAG_HAS_ERT) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3352
		    (adapter->netdev->mtu > ETH_DATA_LEN))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3353
			hwm = min(((pba << 10) * 9 / 10),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3354
				  ((pba << 10) - (E1000_ERT_2048 << 3)));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3355
		else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3356
			hwm = min(((pba << 10) * 9 / 10),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3357
				  ((pba << 10) - adapter->max_frame_size));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3358
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3359
		fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3360
		fc->low_water = fc->high_water - 8;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3361
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3362
	case e1000_pchlan:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3363
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3364
		 * Workaround PCH LOM adapter hangs with certain network
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3365
		 * loads.  If hangs persist, try disabling Tx flow control.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3366
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3367
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3368
			fc->high_water = 0x3500;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3369
			fc->low_water  = 0x1500;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3370
		} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3371
			fc->high_water = 0x5000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3372
			fc->low_water  = 0x3000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3373
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3374
		fc->refresh_time = 0x1000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3375
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3376
	case e1000_pch2lan:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3377
		fc->high_water = 0x05C20;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3378
		fc->low_water = 0x05048;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3379
		fc->pause_time = 0x0650;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3380
		fc->refresh_time = 0x0400;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3381
		if (adapter->netdev->mtu > ETH_DATA_LEN) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3382
			pba = 14;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3383
			ew32(PBA, pba);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3384
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3385
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3386
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3387
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3388
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3389
	 * Disable Adaptive Interrupt Moderation if 2 full packets cannot
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3390
	 * fit in receive buffer and early-receive not supported.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3391
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3392
	if (adapter->itr_setting & 0x3) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3393
		if (((adapter->max_frame_size * 2) > (pba << 10)) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3394
		    !(adapter->flags & FLAG_HAS_ERT)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3395
			if (!(adapter->flags2 & FLAG2_DISABLE_AIM)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3396
				dev_info(&adapter->pdev->dev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3397
					"Interrupt Throttle Rate turned off\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3398
				adapter->flags2 |= FLAG2_DISABLE_AIM;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3399
				ew32(ITR, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3400
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3401
		} else if (adapter->flags2 & FLAG2_DISABLE_AIM) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3402
			dev_info(&adapter->pdev->dev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3403
				 "Interrupt Throttle Rate turned on\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3404
			adapter->flags2 &= ~FLAG2_DISABLE_AIM;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3405
			adapter->itr = 20000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3406
			ew32(ITR, 1000000000 / (adapter->itr * 256));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3407
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3408
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3409
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3410
	/* Allow time for pending master requests to run */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3411
	mac->ops.reset_hw(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3412
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3413
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3414
	 * For parts with AMT enabled, let the firmware know
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3415
	 * that the network interface is in control
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3416
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3417
	if (adapter->flags & FLAG_HAS_AMT)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3418
		e1000e_get_hw_control(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3419
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3420
	ew32(WUC, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3421
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3422
	if (mac->ops.init_hw(hw))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3423
		e_err("Hardware Error\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3424
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3425
	e1000_update_mng_vlan(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3426
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3427
	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3428
	ew32(VET, ETH_P_8021Q);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3429
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3430
	e1000e_reset_adaptive(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3431
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3432
	if (!netif_running(adapter->netdev) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3433
	    !test_bit(__E1000_TESTING, &adapter->state)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3434
		e1000_power_down_phy(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3435
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3436
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3437
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3438
	e1000_get_phy_info(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3439
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3440
	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3441
	    !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3442
		u16 phy_data = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3443
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3444
		 * speed up time to link by disabling smart power down, ignore
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3445
		 * the return value of this function because there is nothing
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3446
		 * different we would do if it failed
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3447
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3448
		e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3449
		phy_data &= ~IGP02E1000_PM_SPD;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3450
		e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3451
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3452
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3453
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3454
int e1000e_up(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3455
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3456
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3457
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3458
	/* hardware has been reset, we need to reload some things */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3459
	e1000_configure(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3460
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3461
	clear_bit(__E1000_DOWN, &adapter->state);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3462
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3463
	napi_enable(&adapter->napi);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3464
	if (adapter->msix_entries)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3465
		e1000_configure_msix(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3466
	e1000_irq_enable(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3467
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3468
	netif_start_queue(adapter->netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3469
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3470
	/* fire a link change interrupt to start the watchdog */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3471
	if (adapter->msix_entries)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3472
		ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3473
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3474
		ew32(ICS, E1000_ICS_LSC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3475
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3476
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3477
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3478
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3479
static void e1000e_flush_descriptors(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3480
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3481
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3482
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3483
	if (!(adapter->flags2 & FLAG2_DMA_BURST))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3484
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3485
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3486
	/* flush pending descriptor writebacks to memory */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3487
	ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3488
	ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3489
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3490
	/* execute the writes immediately */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3491
	e1e_flush();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3492
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3493
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3494
static void e1000e_update_stats(struct e1000_adapter *adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3495
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3496
void e1000e_down(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3497
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3498
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3499
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3500
	u32 tctl, rctl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3501
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3502
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3503
	 * signal that we're down so the interrupt handler does not
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3504
	 * reschedule our watchdog timer
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3505
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3506
	set_bit(__E1000_DOWN, &adapter->state);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3507
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3508
	/* disable receives in the hardware */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3509
	rctl = er32(RCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3510
	if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3511
		ew32(RCTL, rctl & ~E1000_RCTL_EN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3512
	/* flush and sleep below */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3513
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3514
	netif_stop_queue(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3515
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3516
	/* disable transmits in the hardware */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3517
	tctl = er32(TCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3518
	tctl &= ~E1000_TCTL_EN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3519
	ew32(TCTL, tctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3520
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3521
	/* flush both disables and wait for them to finish */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3522
	e1e_flush();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3523
	usleep_range(10000, 20000);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3524
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3525
	napi_disable(&adapter->napi);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3526
	e1000_irq_disable(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3527
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3528
	del_timer_sync(&adapter->watchdog_timer);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3529
	del_timer_sync(&adapter->phy_info_timer);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3530
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3531
	netif_carrier_off(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3532
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3533
	spin_lock(&adapter->stats64_lock);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3534
	e1000e_update_stats(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3535
	spin_unlock(&adapter->stats64_lock);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3536
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3537
	e1000e_flush_descriptors(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3538
	e1000_clean_tx_ring(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3539
	e1000_clean_rx_ring(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3540
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3541
	adapter->link_speed = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3542
	adapter->link_duplex = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3543
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3544
	if (!pci_channel_offline(adapter->pdev))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3545
		e1000e_reset(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3546
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3547
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3548
	 * TODO: for power management, we could drop the link and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3549
	 * pci_disable_device here.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3550
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3551
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3552
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3553
void e1000e_reinit_locked(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3554
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3555
	might_sleep();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3556
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3557
		usleep_range(1000, 2000);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3558
	e1000e_down(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3559
	e1000e_up(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3560
	clear_bit(__E1000_RESETTING, &adapter->state);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3561
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3562
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3563
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3564
 * e1000_sw_init - Initialize general software structures (struct e1000_adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3565
 * @adapter: board private structure to initialize
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3566
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3567
 * e1000_sw_init initializes the Adapter private data structure.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3568
 * Fields are initialized based on PCI device information and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3569
 * OS network device settings (MTU size).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3570
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3571
static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3572
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3573
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3574
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3575
	adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3576
	adapter->rx_ps_bsize0 = 128;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3577
	adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3578
	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3579
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3580
	spin_lock_init(&adapter->stats64_lock);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3581
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3582
	e1000e_set_interrupt_capability(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3583
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3584
	if (e1000_alloc_queues(adapter))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3585
		return -ENOMEM;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3586
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3587
	/* Explicitly disable IRQ since the NIC can be in any state. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3588
	e1000_irq_disable(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3589
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3590
	set_bit(__E1000_DOWN, &adapter->state);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3591
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3592
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3593
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3594
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3595
 * e1000_intr_msi_test - Interrupt Handler
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3596
 * @irq: interrupt number
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3597
 * @data: pointer to a network interface device structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3598
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3599
static irqreturn_t e1000_intr_msi_test(int irq, void *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3600
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3601
	struct net_device *netdev = data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3602
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3603
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3604
	u32 icr = er32(ICR);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3605
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3606
	e_dbg("icr is %08X\n", icr);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3607
	if (icr & E1000_ICR_RXSEQ) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3608
		adapter->flags &= ~FLAG_MSI_TEST_FAILED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3609
		wmb();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3610
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3611
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3612
	return IRQ_HANDLED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3613
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3614
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3615
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3616
 * e1000_test_msi_interrupt - Returns 0 for successful test
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3617
 * @adapter: board private struct
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3618
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3619
 * code flow taken from tg3.c
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3620
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3621
static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3622
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3623
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3624
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3625
	int err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3626
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3627
	/* poll_enable hasn't been called yet, so don't need disable */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3628
	/* clear any pending events */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3629
	er32(ICR);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3630
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3631
	/* free the real vector and request a test handler */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3632
	e1000_free_irq(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3633
	e1000e_reset_interrupt_capability(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3634
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3635
	/* Assume that the test fails, if it succeeds then the test
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3636
	 * MSI irq handler will unset this flag */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3637
	adapter->flags |= FLAG_MSI_TEST_FAILED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3638
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3639
	err = pci_enable_msi(adapter->pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3640
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3641
		goto msi_test_failed;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3642
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3643
	err = request_irq(adapter->pdev->irq, e1000_intr_msi_test, 0,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3644
			  netdev->name, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3645
	if (err) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3646
		pci_disable_msi(adapter->pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3647
		goto msi_test_failed;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3648
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3649
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3650
	wmb();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3651
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3652
	e1000_irq_enable(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3653
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3654
	/* fire an unusual interrupt on the test handler */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3655
	ew32(ICS, E1000_ICS_RXSEQ);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3656
	e1e_flush();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3657
	msleep(50);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3658
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3659
	e1000_irq_disable(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3660
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3661
	rmb();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3662
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3663
	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3664
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3665
		e_info("MSI interrupt test failed, using legacy interrupt.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3666
	} else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3667
		e_dbg("MSI interrupt test succeeded!\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3668
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3669
	free_irq(adapter->pdev->irq, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3670
	pci_disable_msi(adapter->pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3671
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3672
msi_test_failed:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3673
	e1000e_set_interrupt_capability(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3674
	return e1000_request_irq(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3675
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3676
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3677
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3678
 * e1000_test_msi - Returns 0 if MSI test succeeds or INTx mode is restored
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3679
 * @adapter: board private struct
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3680
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3681
 * code flow taken from tg3.c, called with e1000 interrupts disabled.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3682
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3683
static int e1000_test_msi(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3684
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3685
	int err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3686
	u16 pci_cmd;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3687
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3688
	if (!(adapter->flags & FLAG_MSI_ENABLED))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3689
		return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3690
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3691
	/* disable SERR in case the MSI write causes a master abort */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3692
	pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3693
	if (pci_cmd & PCI_COMMAND_SERR)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3694
		pci_write_config_word(adapter->pdev, PCI_COMMAND,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3695
				      pci_cmd & ~PCI_COMMAND_SERR);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3696
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3697
	err = e1000_test_msi_interrupt(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3698
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3699
	/* re-enable SERR */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3700
	if (pci_cmd & PCI_COMMAND_SERR) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3701
		pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3702
		pci_cmd |= PCI_COMMAND_SERR;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3703
		pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3704
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3705
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3706
	return err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3707
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3708
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3709
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3710
 * e1000_open - Called when a network interface is made active
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3711
 * @netdev: network interface device structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3712
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3713
 * Returns 0 on success, negative value on failure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3714
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3715
 * The open entry point is called when a network interface is made
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3716
 * active by the system (IFF_UP).  At this point all resources needed
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3717
 * for transmit and receive operations are allocated, the interrupt
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3718
 * handler is registered with the OS, the watchdog timer is started,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3719
 * and the stack is notified that the interface is ready.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3720
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3721
static int e1000_open(struct net_device *netdev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3722
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3723
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3724
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3725
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3726
	int err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3727
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3728
	/* disallow open during test */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3729
	if (test_bit(__E1000_TESTING, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3730
		return -EBUSY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3731
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3732
	pm_runtime_get_sync(&pdev->dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3733
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3734
	netif_carrier_off(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3735
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3736
	/* allocate transmit descriptors */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3737
	err = e1000e_setup_tx_resources(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3738
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3739
		goto err_setup_tx;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3740
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3741
	/* allocate receive descriptors */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3742
	err = e1000e_setup_rx_resources(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3743
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3744
		goto err_setup_rx;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3745
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3746
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3747
	 * If AMT is enabled, let the firmware know that the network
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3748
	 * interface is now open and reset the part to a known state.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3749
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3750
	if (adapter->flags & FLAG_HAS_AMT) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3751
		e1000e_get_hw_control(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3752
		e1000e_reset(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3753
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3754
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3755
	e1000e_power_up_phy(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3756
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3757
	adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3758
	if ((adapter->hw.mng_cookie.status &
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3759
	     E1000_MNG_DHCP_COOKIE_STATUS_VLAN))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3760
		e1000_update_mng_vlan(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3761
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3762
	/* DMA latency requirement to workaround early-receive/jumbo issue */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3763
	if ((adapter->flags & FLAG_HAS_ERT) ||
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3764
	    (adapter->hw.mac.type == e1000_pch2lan))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3765
		pm_qos_add_request(&adapter->netdev->pm_qos_req,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3766
				   PM_QOS_CPU_DMA_LATENCY,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3767
				   PM_QOS_DEFAULT_VALUE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3768
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3769
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3770
	 * before we allocate an interrupt, we must be ready to handle it.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3771
	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3772
	 * as soon as we call pci_request_irq, so we have to setup our
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3773
	 * clean_rx handler before we do so.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3774
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3775
	e1000_configure(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3776
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3777
	err = e1000_request_irq(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3778
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3779
		goto err_req_irq;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3780
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3781
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3782
	 * Work around PCIe errata with MSI interrupts causing some chipsets to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3783
	 * ignore e1000e MSI messages, which means we need to test our MSI
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3784
	 * interrupt now
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3785
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3786
	if (adapter->int_mode != E1000E_INT_MODE_LEGACY) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3787
		err = e1000_test_msi(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3788
		if (err) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3789
			e_err("Interrupt allocation failed\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3790
			goto err_req_irq;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3791
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3792
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3793
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3794
	/* From here on the code is the same as e1000e_up() */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3795
	clear_bit(__E1000_DOWN, &adapter->state);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3796
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3797
	napi_enable(&adapter->napi);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3798
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3799
	e1000_irq_enable(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3800
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3801
	adapter->tx_hang_recheck = false;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3802
	netif_start_queue(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3803
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3804
	adapter->idle_check = true;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3805
	pm_runtime_put(&pdev->dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3806
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3807
	/* fire a link status change interrupt to start the watchdog */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3808
	if (adapter->msix_entries)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3809
		ew32(ICS, E1000_ICS_LSC | E1000_ICR_OTHER);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3810
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3811
		ew32(ICS, E1000_ICS_LSC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3812
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3813
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3814
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3815
err_req_irq:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3816
	e1000e_release_hw_control(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3817
	e1000_power_down_phy(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3818
	e1000e_free_rx_resources(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3819
err_setup_rx:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3820
	e1000e_free_tx_resources(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3821
err_setup_tx:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3822
	e1000e_reset(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3823
	pm_runtime_put_sync(&pdev->dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3824
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3825
	return err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3826
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3827
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3828
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3829
 * e1000_close - Disables a network interface
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3830
 * @netdev: network interface device structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3831
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3832
 * Returns 0, this is not allowed to fail
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3833
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3834
 * The close entry point is called when an interface is de-activated
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3835
 * by the OS.  The hardware is still under the drivers control, but
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3836
 * needs to be disabled.  A global MAC reset is issued to stop the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3837
 * hardware, and all transmit and receive resources are freed.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3838
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3839
static int e1000_close(struct net_device *netdev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3840
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3841
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3842
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3843
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3844
	WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3845
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3846
	pm_runtime_get_sync(&pdev->dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3847
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3848
	if (!test_bit(__E1000_DOWN, &adapter->state)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3849
		e1000e_down(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3850
		e1000_free_irq(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3851
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3852
	e1000_power_down_phy(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3853
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3854
	e1000e_free_tx_resources(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3855
	e1000e_free_rx_resources(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3856
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3857
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3858
	 * kill manageability vlan ID if supported, but not if a vlan with
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3859
	 * the same ID is registered on the host OS (let 8021q kill it)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3860
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3861
	if (adapter->hw.mng_cookie.status &
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3862
	    E1000_MNG_DHCP_COOKIE_STATUS_VLAN)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3863
		e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3864
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3865
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3866
	 * If AMT is enabled, let the firmware know that the network
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3867
	 * interface is now closed
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3868
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3869
	if ((adapter->flags & FLAG_HAS_AMT) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3870
	    !test_bit(__E1000_TESTING, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3871
		e1000e_release_hw_control(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3872
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3873
	if ((adapter->flags & FLAG_HAS_ERT) ||
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3874
	    (adapter->hw.mac.type == e1000_pch2lan))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3875
		pm_qos_remove_request(&adapter->netdev->pm_qos_req);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3876
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3877
	pm_runtime_put_sync(&pdev->dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3878
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3879
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3880
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3881
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3882
 * e1000_set_mac - Change the Ethernet Address of the NIC
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3883
 * @netdev: network interface device structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3884
 * @p: pointer to an address structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3885
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3886
 * Returns 0 on success, negative on failure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3887
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3888
static int e1000_set_mac(struct net_device *netdev, void *p)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3889
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3890
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3891
	struct sockaddr *addr = p;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3892
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3893
	if (!is_valid_ether_addr(addr->sa_data))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3894
		return -EADDRNOTAVAIL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3895
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3896
	memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3897
	memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3898
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3899
	e1000e_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3900
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3901
	if (adapter->flags & FLAG_RESET_OVERWRITES_LAA) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3902
		/* activate the work around */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3903
		e1000e_set_laa_state_82571(&adapter->hw, 1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3904
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3905
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3906
		 * Hold a copy of the LAA in RAR[14] This is done so that
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3907
		 * between the time RAR[0] gets clobbered  and the time it
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3908
		 * gets fixed (in e1000_watchdog), the actual LAA is in one
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3909
		 * of the RARs and no incoming packets directed to this port
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3910
		 * are dropped. Eventually the LAA will be in RAR[0] and
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3911
		 * RAR[14]
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3912
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3913
		e1000e_rar_set(&adapter->hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3914
			      adapter->hw.mac.addr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3915
			      adapter->hw.mac.rar_entry_count - 1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3916
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3917
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3918
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3919
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3920
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3921
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3922
 * e1000e_update_phy_task - work thread to update phy
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3923
 * @work: pointer to our work struct
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3924
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3925
 * this worker thread exists because we must acquire a
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3926
 * semaphore to read the phy, which we could msleep while
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3927
 * waiting for it, and we can't msleep in a timer.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3928
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3929
static void e1000e_update_phy_task(struct work_struct *work)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3930
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3931
	struct e1000_adapter *adapter = container_of(work,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3932
					struct e1000_adapter, update_phy_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3933
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3934
	if (test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3935
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3936
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3937
	e1000_get_phy_info(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3938
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3939
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3940
/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3941
 * Need to wait a few seconds after link up to get diagnostic information from
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3942
 * the phy
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3943
 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3944
static void e1000_update_phy_info(unsigned long data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3945
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3946
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3947
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3948
	if (test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3949
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3950
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3951
	schedule_work(&adapter->update_phy_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3952
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3953
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3954
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3955
 * e1000e_update_phy_stats - Update the PHY statistics counters
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3956
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3957
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3958
 * Read/clear the upper 16-bit PHY registers and read/accumulate lower
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3959
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3960
static void e1000e_update_phy_stats(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3961
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3962
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3963
	s32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3964
	u16 phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3965
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3966
	ret_val = hw->phy.ops.acquire(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3967
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3968
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3969
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3970
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3971
	 * A page set is expensive so check if already on desired page.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3972
	 * If not, set to the page with the PHY status registers.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3973
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3974
	hw->phy.addr = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3975
	ret_val = e1000e_read_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3976
					   &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3977
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3978
		goto release;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3979
	if (phy_data != (HV_STATS_PAGE << IGP_PAGE_SHIFT)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3980
		ret_val = hw->phy.ops.set_page(hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3981
					       HV_STATS_PAGE << IGP_PAGE_SHIFT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3982
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3983
			goto release;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3984
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3985
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3986
	/* Single Collision Count */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3987
	hw->phy.ops.read_reg_page(hw, HV_SCC_UPPER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3988
	ret_val = hw->phy.ops.read_reg_page(hw, HV_SCC_LOWER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3989
	if (!ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3990
		adapter->stats.scc += phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3991
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3992
	/* Excessive Collision Count */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3993
	hw->phy.ops.read_reg_page(hw, HV_ECOL_UPPER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3994
	ret_val = hw->phy.ops.read_reg_page(hw, HV_ECOL_LOWER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3995
	if (!ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3996
		adapter->stats.ecol += phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3997
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3998
	/* Multiple Collision Count */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  3999
	hw->phy.ops.read_reg_page(hw, HV_MCC_UPPER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4000
	ret_val = hw->phy.ops.read_reg_page(hw, HV_MCC_LOWER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4001
	if (!ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4002
		adapter->stats.mcc += phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4003
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4004
	/* Late Collision Count */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4005
	hw->phy.ops.read_reg_page(hw, HV_LATECOL_UPPER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4006
	ret_val = hw->phy.ops.read_reg_page(hw, HV_LATECOL_LOWER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4007
	if (!ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4008
		adapter->stats.latecol += phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4009
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4010
	/* Collision Count - also used for adaptive IFS */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4011
	hw->phy.ops.read_reg_page(hw, HV_COLC_UPPER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4012
	ret_val = hw->phy.ops.read_reg_page(hw, HV_COLC_LOWER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4013
	if (!ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4014
		hw->mac.collision_delta = phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4015
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4016
	/* Defer Count */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4017
	hw->phy.ops.read_reg_page(hw, HV_DC_UPPER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4018
	ret_val = hw->phy.ops.read_reg_page(hw, HV_DC_LOWER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4019
	if (!ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4020
		adapter->stats.dc += phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4021
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4022
	/* Transmit with no CRS */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4023
	hw->phy.ops.read_reg_page(hw, HV_TNCRS_UPPER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4024
	ret_val = hw->phy.ops.read_reg_page(hw, HV_TNCRS_LOWER, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4025
	if (!ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4026
		adapter->stats.tncrs += phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4027
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4028
release:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4029
	hw->phy.ops.release(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4030
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4031
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4032
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4033
 * e1000e_update_stats - Update the board statistics counters
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4034
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4035
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4036
static void e1000e_update_stats(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4037
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4038
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4039
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4040
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4041
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4042
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4043
	 * Prevent stats update while adapter is being reset, or if the pci
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4044
	 * connection is down.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4045
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4046
	if (adapter->link_speed == 0)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4047
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4048
	if (pci_channel_offline(pdev))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4049
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4050
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4051
	adapter->stats.crcerrs += er32(CRCERRS);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4052
	adapter->stats.gprc += er32(GPRC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4053
	adapter->stats.gorc += er32(GORCL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4054
	er32(GORCH); /* Clear gorc */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4055
	adapter->stats.bprc += er32(BPRC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4056
	adapter->stats.mprc += er32(MPRC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4057
	adapter->stats.roc += er32(ROC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4058
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4059
	adapter->stats.mpc += er32(MPC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4060
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4061
	/* Half-duplex statistics */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4062
	if (adapter->link_duplex == HALF_DUPLEX) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4063
		if (adapter->flags2 & FLAG2_HAS_PHY_STATS) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4064
			e1000e_update_phy_stats(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4065
		} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4066
			adapter->stats.scc += er32(SCC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4067
			adapter->stats.ecol += er32(ECOL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4068
			adapter->stats.mcc += er32(MCC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4069
			adapter->stats.latecol += er32(LATECOL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4070
			adapter->stats.dc += er32(DC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4071
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4072
			hw->mac.collision_delta = er32(COLC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4073
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4074
			if ((hw->mac.type != e1000_82574) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4075
			    (hw->mac.type != e1000_82583))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4076
				adapter->stats.tncrs += er32(TNCRS);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4077
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4078
		adapter->stats.colc += hw->mac.collision_delta;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4079
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4080
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4081
	adapter->stats.xonrxc += er32(XONRXC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4082
	adapter->stats.xontxc += er32(XONTXC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4083
	adapter->stats.xoffrxc += er32(XOFFRXC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4084
	adapter->stats.xofftxc += er32(XOFFTXC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4085
	adapter->stats.gptc += er32(GPTC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4086
	adapter->stats.gotc += er32(GOTCL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4087
	er32(GOTCH); /* Clear gotc */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4088
	adapter->stats.rnbc += er32(RNBC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4089
	adapter->stats.ruc += er32(RUC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4090
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4091
	adapter->stats.mptc += er32(MPTC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4092
	adapter->stats.bptc += er32(BPTC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4093
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4094
	/* used for adaptive IFS */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4095
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4096
	hw->mac.tx_packet_delta = er32(TPT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4097
	adapter->stats.tpt += hw->mac.tx_packet_delta;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4098
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4099
	adapter->stats.algnerrc += er32(ALGNERRC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4100
	adapter->stats.rxerrc += er32(RXERRC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4101
	adapter->stats.cexterr += er32(CEXTERR);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4102
	adapter->stats.tsctc += er32(TSCTC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4103
	adapter->stats.tsctfc += er32(TSCTFC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4104
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4105
	/* Fill out the OS statistics structure */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4106
	netdev->stats.multicast = adapter->stats.mprc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4107
	netdev->stats.collisions = adapter->stats.colc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4108
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4109
	/* Rx Errors */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4110
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4111
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4112
	 * RLEC on some newer hardware can be incorrect so build
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4113
	 * our own version based on RUC and ROC
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4114
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4115
	netdev->stats.rx_errors = adapter->stats.rxerrc +
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4116
		adapter->stats.crcerrs + adapter->stats.algnerrc +
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4117
		adapter->stats.ruc + adapter->stats.roc +
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4118
		adapter->stats.cexterr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4119
	netdev->stats.rx_length_errors = adapter->stats.ruc +
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4120
					      adapter->stats.roc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4121
	netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4122
	netdev->stats.rx_frame_errors = adapter->stats.algnerrc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4123
	netdev->stats.rx_missed_errors = adapter->stats.mpc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4124
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4125
	/* Tx Errors */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4126
	netdev->stats.tx_errors = adapter->stats.ecol +
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4127
				       adapter->stats.latecol;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4128
	netdev->stats.tx_aborted_errors = adapter->stats.ecol;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4129
	netdev->stats.tx_window_errors = adapter->stats.latecol;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4130
	netdev->stats.tx_carrier_errors = adapter->stats.tncrs;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4131
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4132
	/* Tx Dropped needs to be maintained elsewhere */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4133
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4134
	/* Management Stats */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4135
	adapter->stats.mgptc += er32(MGTPTC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4136
	adapter->stats.mgprc += er32(MGTPRC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4137
	adapter->stats.mgpdc += er32(MGTPDC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4138
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4139
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4140
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4141
 * e1000_phy_read_status - Update the PHY register status snapshot
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4142
 * @adapter: board private structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4143
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4144
static void e1000_phy_read_status(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4145
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4146
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4147
	struct e1000_phy_regs *phy = &adapter->phy_regs;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4148
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4149
	if ((er32(STATUS) & E1000_STATUS_LU) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4150
	    (adapter->hw.phy.media_type == e1000_media_type_copper)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4151
		int ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4152
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4153
		ret_val  = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4154
		ret_val |= e1e_rphy(hw, PHY_STATUS, &phy->bmsr);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4155
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4156
		ret_val |= e1e_rphy(hw, PHY_LP_ABILITY, &phy->lpa);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4157
		ret_val |= e1e_rphy(hw, PHY_AUTONEG_EXP, &phy->expansion);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4158
		ret_val |= e1e_rphy(hw, PHY_1000T_CTRL, &phy->ctrl1000);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4159
		ret_val |= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4160
		ret_val |= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4161
		if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4162
			e_warn("Error reading PHY register\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4163
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4164
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4165
		 * Do not read PHY registers if link is not up
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4166
		 * Set values to typical power-on defaults
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4167
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4168
		phy->bmcr = (BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_FULLDPLX);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4169
		phy->bmsr = (BMSR_100FULL | BMSR_100HALF | BMSR_10FULL |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4170
			     BMSR_10HALF | BMSR_ESTATEN | BMSR_ANEGCAPABLE |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4171
			     BMSR_ERCAP);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4172
		phy->advertise = (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4173
				  ADVERTISE_ALL | ADVERTISE_CSMA);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4174
		phy->lpa = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4175
		phy->expansion = EXPANSION_ENABLENPAGE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4176
		phy->ctrl1000 = ADVERTISE_1000FULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4177
		phy->stat1000 = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4178
		phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4179
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4180
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4181
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4182
static void e1000_print_link_info(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4183
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4184
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4185
	u32 ctrl = er32(CTRL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4186
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4187
	/* Link status message must follow this format for user tools */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4188
	printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s, "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4189
	       "Flow Control: %s\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4190
	       adapter->netdev->name,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4191
	       adapter->link_speed,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4192
	       (adapter->link_duplex == FULL_DUPLEX) ?
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4193
	       "Full Duplex" : "Half Duplex",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4194
	       ((ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE)) ?
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4195
	       "Rx/Tx" :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4196
	       ((ctrl & E1000_CTRL_RFCE) ? "Rx" :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4197
		((ctrl & E1000_CTRL_TFCE) ? "Tx" : "None")));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4198
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4199
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4200
static bool e1000e_has_link(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4201
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4202
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4203
	bool link_active = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4204
	s32 ret_val = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4205
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4206
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4207
	 * get_link_status is set on LSC (link status) interrupt or
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4208
	 * Rx sequence error interrupt.  get_link_status will stay
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4209
	 * false until the check_for_link establishes link
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4210
	 * for copper adapters ONLY
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4211
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4212
	switch (hw->phy.media_type) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4213
	case e1000_media_type_copper:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4214
		if (hw->mac.get_link_status) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4215
			ret_val = hw->mac.ops.check_for_link(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4216
			link_active = !hw->mac.get_link_status;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4217
		} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4218
			link_active = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4219
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4220
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4221
	case e1000_media_type_fiber:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4222
		ret_val = hw->mac.ops.check_for_link(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4223
		link_active = !!(er32(STATUS) & E1000_STATUS_LU);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4224
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4225
	case e1000_media_type_internal_serdes:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4226
		ret_val = hw->mac.ops.check_for_link(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4227
		link_active = adapter->hw.mac.serdes_has_link;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4228
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4229
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4230
	case e1000_media_type_unknown:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4231
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4232
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4233
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4234
	if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4235
	    (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4236
		/* See e1000_kmrn_lock_loss_workaround_ich8lan() */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4237
		e_info("Gigabit has been disabled, downgrading speed\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4238
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4239
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4240
	return link_active;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4241
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4242
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4243
static void e1000e_enable_receives(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4244
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4245
	/* make sure the receive unit is started */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4246
	if ((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4247
	    (adapter->flags & FLAG_RX_RESTART_NOW)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4248
		struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4249
		u32 rctl = er32(RCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4250
		ew32(RCTL, rctl | E1000_RCTL_EN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4251
		adapter->flags &= ~FLAG_RX_RESTART_NOW;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4252
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4253
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4254
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4255
static void e1000e_check_82574_phy_workaround(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4256
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4257
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4258
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4259
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4260
	 * With 82574 controllers, PHY needs to be checked periodically
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4261
	 * for hung state and reset, if two calls return true
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4262
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4263
	if (e1000_check_phy_82574(hw))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4264
		adapter->phy_hang_count++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4265
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4266
		adapter->phy_hang_count = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4267
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4268
	if (adapter->phy_hang_count > 1) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4269
		adapter->phy_hang_count = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4270
		schedule_work(&adapter->reset_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4271
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4272
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4273
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4274
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4275
 * e1000_watchdog - Timer Call-back
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4276
 * @data: pointer to adapter cast into an unsigned long
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4277
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4278
static void e1000_watchdog(unsigned long data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4279
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4280
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4281
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4282
	/* Do the rest outside of interrupt context */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4283
	schedule_work(&adapter->watchdog_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4284
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4285
	/* TODO: make this use queue_delayed_work() */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4286
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4287
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4288
static void e1000_watchdog_task(struct work_struct *work)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4289
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4290
	struct e1000_adapter *adapter = container_of(work,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4291
					struct e1000_adapter, watchdog_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4292
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4293
	struct e1000_mac_info *mac = &adapter->hw.mac;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4294
	struct e1000_phy_info *phy = &adapter->hw.phy;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4295
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4296
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4297
	u32 link, tctl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4298
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4299
	if (test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4300
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4301
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4302
	link = e1000e_has_link(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4303
	if ((netif_carrier_ok(netdev)) && link) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4304
		/* Cancel scheduled suspend requests. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4305
		pm_runtime_resume(netdev->dev.parent);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4306
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4307
		e1000e_enable_receives(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4308
		goto link_up;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4309
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4310
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4311
	if ((e1000e_enable_tx_pkt_filtering(hw)) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4312
	    (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4313
		e1000_update_mng_vlan(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4314
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4315
	if (link) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4316
		if (!netif_carrier_ok(netdev)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4317
			bool txb2b = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4318
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4319
			/* Cancel scheduled suspend requests. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4320
			pm_runtime_resume(netdev->dev.parent);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4321
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4322
			/* update snapshot of PHY registers on LSC */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4323
			e1000_phy_read_status(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4324
			mac->ops.get_link_up_info(&adapter->hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4325
						   &adapter->link_speed,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4326
						   &adapter->link_duplex);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4327
			e1000_print_link_info(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4328
			/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4329
			 * On supported PHYs, check for duplex mismatch only
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4330
			 * if link has autonegotiated at 10/100 half
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4331
			 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4332
			if ((hw->phy.type == e1000_phy_igp_3 ||
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4333
			     hw->phy.type == e1000_phy_bm) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4334
			    (hw->mac.autoneg == true) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4335
			    (adapter->link_speed == SPEED_10 ||
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4336
			     adapter->link_speed == SPEED_100) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4337
			    (adapter->link_duplex == HALF_DUPLEX)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4338
				u16 autoneg_exp;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4339
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4340
				e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4341
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4342
				if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4343
					e_info("Autonegotiated half duplex but"
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4344
					       " link partner cannot autoneg. "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4345
					       " Try forcing full duplex if "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4346
					       "link gets many collisions.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4347
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4348
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4349
			/* adjust timeout factor according to speed/duplex */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4350
			adapter->tx_timeout_factor = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4351
			switch (adapter->link_speed) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4352
			case SPEED_10:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4353
				txb2b = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4354
				adapter->tx_timeout_factor = 16;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4355
				break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4356
			case SPEED_100:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4357
				txb2b = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4358
				adapter->tx_timeout_factor = 10;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4359
				break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4360
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4361
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4362
			/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4363
			 * workaround: re-program speed mode bit after
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4364
			 * link-up event
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4365
			 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4366
			if ((adapter->flags & FLAG_TARC_SPEED_MODE_BIT) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4367
			    !txb2b) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4368
				u32 tarc0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4369
				tarc0 = er32(TARC(0));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4370
				tarc0 &= ~SPEED_MODE_BIT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4371
				ew32(TARC(0), tarc0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4372
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4373
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4374
			/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4375
			 * disable TSO for pcie and 10/100 speeds, to avoid
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4376
			 * some hardware issues
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4377
			 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4378
			if (!(adapter->flags & FLAG_TSO_FORCE)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4379
				switch (adapter->link_speed) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4380
				case SPEED_10:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4381
				case SPEED_100:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4382
					e_info("10/100 speed: disabling TSO\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4383
					netdev->features &= ~NETIF_F_TSO;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4384
					netdev->features &= ~NETIF_F_TSO6;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4385
					break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4386
				case SPEED_1000:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4387
					netdev->features |= NETIF_F_TSO;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4388
					netdev->features |= NETIF_F_TSO6;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4389
					break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4390
				default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4391
					/* oops */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4392
					break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4393
				}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4394
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4395
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4396
			/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4397
			 * enable transmits in the hardware, need to do this
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4398
			 * after setting TARC(0)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4399
			 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4400
			tctl = er32(TCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4401
			tctl |= E1000_TCTL_EN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4402
			ew32(TCTL, tctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4403
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4404
                        /*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4405
			 * Perform any post-link-up configuration before
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4406
			 * reporting link up.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4407
			 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4408
			if (phy->ops.cfg_on_link_up)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4409
				phy->ops.cfg_on_link_up(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4410
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4411
			netif_carrier_on(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4412
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4413
			if (!test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4414
				mod_timer(&adapter->phy_info_timer,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4415
					  round_jiffies(jiffies + 2 * HZ));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4416
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4417
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4418
		if (netif_carrier_ok(netdev)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4419
			adapter->link_speed = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4420
			adapter->link_duplex = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4421
			/* Link status message must follow this format */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4422
			printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4423
			       adapter->netdev->name);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4424
			netif_carrier_off(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4425
			if (!test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4426
				mod_timer(&adapter->phy_info_timer,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4427
					  round_jiffies(jiffies + 2 * HZ));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4428
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4429
			if (adapter->flags & FLAG_RX_NEEDS_RESTART)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4430
				schedule_work(&adapter->reset_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4431
			else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4432
				pm_schedule_suspend(netdev->dev.parent,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4433
							LINK_TIMEOUT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4434
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4435
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4436
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4437
link_up:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4438
	spin_lock(&adapter->stats64_lock);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4439
	e1000e_update_stats(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4440
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4441
	mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4442
	adapter->tpt_old = adapter->stats.tpt;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4443
	mac->collision_delta = adapter->stats.colc - adapter->colc_old;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4444
	adapter->colc_old = adapter->stats.colc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4445
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4446
	adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4447
	adapter->gorc_old = adapter->stats.gorc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4448
	adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4449
	adapter->gotc_old = adapter->stats.gotc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4450
	spin_unlock(&adapter->stats64_lock);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4451
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4452
	e1000e_update_adaptive(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4453
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4454
	if (!netif_carrier_ok(netdev) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4455
	    (e1000_desc_unused(tx_ring) + 1 < tx_ring->count)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4456
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4457
		 * We've lost link, so the controller stops DMA,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4458
		 * but we've got queued Tx work that's never going
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4459
		 * to get done, so reset controller to flush Tx.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4460
		 * (Do the reset outside of interrupt context).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4461
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4462
		schedule_work(&adapter->reset_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4463
		/* return immediately since reset is imminent */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4464
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4465
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4466
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4467
	/* Simple mode for Interrupt Throttle Rate (ITR) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4468
	if (adapter->itr_setting == 4) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4469
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4470
		 * Symmetric Tx/Rx gets a reduced ITR=2000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4471
		 * Total asymmetrical Tx or Rx gets ITR=8000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4472
		 * everyone else is between 2000-8000.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4473
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4474
		u32 goc = (adapter->gotc + adapter->gorc) / 10000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4475
		u32 dif = (adapter->gotc > adapter->gorc ?
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4476
			    adapter->gotc - adapter->gorc :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4477
			    adapter->gorc - adapter->gotc) / 10000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4478
		u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4479
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4480
		ew32(ITR, 1000000000 / (itr * 256));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4481
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4482
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4483
	/* Cause software interrupt to ensure Rx ring is cleaned */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4484
	if (adapter->msix_entries)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4485
		ew32(ICS, adapter->rx_ring->ims_val);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4486
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4487
		ew32(ICS, E1000_ICS_RXDMT0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4488
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4489
	/* flush pending descriptors to memory before detecting Tx hang */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4490
	e1000e_flush_descriptors(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4491
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4492
	/* Force detection of hung controller every watchdog period */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4493
	adapter->detect_tx_hung = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4494
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4495
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4496
	 * With 82571 controllers, LAA may be overwritten due to controller
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4497
	 * reset from the other port. Set the appropriate LAA in RAR[0]
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4498
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4499
	if (e1000e_get_laa_state_82571(hw))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4500
		e1000e_rar_set(hw, adapter->hw.mac.addr, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4501
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4502
	if (adapter->flags2 & FLAG2_CHECK_PHY_HANG)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4503
		e1000e_check_82574_phy_workaround(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4504
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4505
	/* Reset the timer */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4506
	if (!test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4507
		mod_timer(&adapter->watchdog_timer,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4508
			  round_jiffies(jiffies + 2 * HZ));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4509
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4510
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4511
#define E1000_TX_FLAGS_CSUM		0x00000001
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4512
#define E1000_TX_FLAGS_VLAN		0x00000002
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4513
#define E1000_TX_FLAGS_TSO		0x00000004
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4514
#define E1000_TX_FLAGS_IPV4		0x00000008
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4515
#define E1000_TX_FLAGS_VLAN_MASK	0xffff0000
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4516
#define E1000_TX_FLAGS_VLAN_SHIFT	16
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4517
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4518
static int e1000_tso(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4519
		     struct sk_buff *skb)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4520
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4521
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4522
	struct e1000_context_desc *context_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4523
	struct e1000_buffer *buffer_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4524
	unsigned int i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4525
	u32 cmd_length = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4526
	u16 ipcse = 0, tucse, mss;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4527
	u8 ipcss, ipcso, tucss, tucso, hdr_len;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4528
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4529
	if (!skb_is_gso(skb))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4530
		return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4531
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4532
	if (skb_header_cloned(skb)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4533
		int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4534
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4535
		if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4536
			return err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4537
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4538
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4539
	hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4540
	mss = skb_shinfo(skb)->gso_size;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4541
	if (skb->protocol == htons(ETH_P_IP)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4542
		struct iphdr *iph = ip_hdr(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4543
		iph->tot_len = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4544
		iph->check = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4545
		tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4546
		                                         0, IPPROTO_TCP, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4547
		cmd_length = E1000_TXD_CMD_IP;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4548
		ipcse = skb_transport_offset(skb) - 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4549
	} else if (skb_is_gso_v6(skb)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4550
		ipv6_hdr(skb)->payload_len = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4551
		tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4552
		                                       &ipv6_hdr(skb)->daddr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4553
		                                       0, IPPROTO_TCP, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4554
		ipcse = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4555
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4556
	ipcss = skb_network_offset(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4557
	ipcso = (void *)&(ip_hdr(skb)->check) - (void *)skb->data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4558
	tucss = skb_transport_offset(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4559
	tucso = (void *)&(tcp_hdr(skb)->check) - (void *)skb->data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4560
	tucse = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4561
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4562
	cmd_length |= (E1000_TXD_CMD_DEXT | E1000_TXD_CMD_TSE |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4563
	               E1000_TXD_CMD_TCP | (skb->len - (hdr_len)));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4564
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4565
	i = tx_ring->next_to_use;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4566
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4567
	buffer_info = &tx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4568
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4569
	context_desc->lower_setup.ip_fields.ipcss  = ipcss;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4570
	context_desc->lower_setup.ip_fields.ipcso  = ipcso;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4571
	context_desc->lower_setup.ip_fields.ipcse  = cpu_to_le16(ipcse);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4572
	context_desc->upper_setup.tcp_fields.tucss = tucss;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4573
	context_desc->upper_setup.tcp_fields.tucso = tucso;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4574
	context_desc->upper_setup.tcp_fields.tucse = cpu_to_le16(tucse);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4575
	context_desc->tcp_seg_setup.fields.mss     = cpu_to_le16(mss);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4576
	context_desc->tcp_seg_setup.fields.hdr_len = hdr_len;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4577
	context_desc->cmd_and_length = cpu_to_le32(cmd_length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4578
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4579
	buffer_info->time_stamp = jiffies;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4580
	buffer_info->next_to_watch = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4581
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4582
	i++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4583
	if (i == tx_ring->count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4584
		i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4585
	tx_ring->next_to_use = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4586
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4587
	return 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4588
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4589
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4590
static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4591
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4592
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4593
	struct e1000_context_desc *context_desc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4594
	struct e1000_buffer *buffer_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4595
	unsigned int i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4596
	u8 css;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4597
	u32 cmd_len = E1000_TXD_CMD_DEXT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4598
	__be16 protocol;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4599
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4600
	if (skb->ip_summed != CHECKSUM_PARTIAL)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4601
		return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4602
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4603
	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4604
		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4605
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4606
		protocol = skb->protocol;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4607
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4608
	switch (protocol) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4609
	case cpu_to_be16(ETH_P_IP):
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4610
		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4611
			cmd_len |= E1000_TXD_CMD_TCP;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4612
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4613
	case cpu_to_be16(ETH_P_IPV6):
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4614
		/* XXX not handling all IPV6 headers */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4615
		if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4616
			cmd_len |= E1000_TXD_CMD_TCP;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4617
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4618
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4619
		if (unlikely(net_ratelimit()))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4620
			e_warn("checksum_partial proto=%x!\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4621
			       be16_to_cpu(protocol));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4622
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4623
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4624
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4625
	css = skb_checksum_start_offset(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4626
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4627
	i = tx_ring->next_to_use;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4628
	buffer_info = &tx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4629
	context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4630
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4631
	context_desc->lower_setup.ip_config = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4632
	context_desc->upper_setup.tcp_fields.tucss = css;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4633
	context_desc->upper_setup.tcp_fields.tucso =
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4634
				css + skb->csum_offset;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4635
	context_desc->upper_setup.tcp_fields.tucse = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4636
	context_desc->tcp_seg_setup.data = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4637
	context_desc->cmd_and_length = cpu_to_le32(cmd_len);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4638
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4639
	buffer_info->time_stamp = jiffies;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4640
	buffer_info->next_to_watch = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4641
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4642
	i++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4643
	if (i == tx_ring->count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4644
		i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4645
	tx_ring->next_to_use = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4646
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4647
	return 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4648
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4649
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4650
#define E1000_MAX_PER_TXD	8192
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4651
#define E1000_MAX_TXD_PWR	12
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4652
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4653
static int e1000_tx_map(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4654
			struct sk_buff *skb, unsigned int first,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4655
			unsigned int max_per_txd, unsigned int nr_frags,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4656
			unsigned int mss)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4657
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4658
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4659
	struct pci_dev *pdev = adapter->pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4660
	struct e1000_buffer *buffer_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4661
	unsigned int len = skb_headlen(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4662
	unsigned int offset = 0, size, count = 0, i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4663
	unsigned int f, bytecount, segs;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4664
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4665
	i = tx_ring->next_to_use;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4666
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4667
	while (len) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4668
		buffer_info = &tx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4669
		size = min(len, max_per_txd);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4670
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4671
		buffer_info->length = size;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4672
		buffer_info->time_stamp = jiffies;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4673
		buffer_info->next_to_watch = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4674
		buffer_info->dma = dma_map_single(&pdev->dev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4675
						  skb->data + offset,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4676
						  size, DMA_TO_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4677
		buffer_info->mapped_as_page = false;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4678
		if (dma_mapping_error(&pdev->dev, buffer_info->dma))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4679
			goto dma_error;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4680
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4681
		len -= size;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4682
		offset += size;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4683
		count++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4684
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4685
		if (len) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4686
			i++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4687
			if (i == tx_ring->count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4688
				i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4689
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4690
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4691
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4692
	for (f = 0; f < nr_frags; f++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4693
		const struct skb_frag_struct *frag;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4694
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4695
		frag = &skb_shinfo(skb)->frags[f];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4696
		len = skb_frag_size(frag);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4697
		offset = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4698
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4699
		while (len) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4700
			i++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4701
			if (i == tx_ring->count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4702
				i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4703
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4704
			buffer_info = &tx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4705
			size = min(len, max_per_txd);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4706
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4707
			buffer_info->length = size;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4708
			buffer_info->time_stamp = jiffies;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4709
			buffer_info->next_to_watch = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4710
			buffer_info->dma = skb_frag_dma_map(&pdev->dev, frag,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4711
						offset, size, DMA_TO_DEVICE);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4712
			buffer_info->mapped_as_page = true;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4713
			if (dma_mapping_error(&pdev->dev, buffer_info->dma))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4714
				goto dma_error;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4715
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4716
			len -= size;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4717
			offset += size;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4718
			count++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4719
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4720
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4721
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4722
	segs = skb_shinfo(skb)->gso_segs ? : 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4723
	/* multiply data chunks by size of headers */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4724
	bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4725
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4726
	tx_ring->buffer_info[i].skb = skb;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4727
	tx_ring->buffer_info[i].segs = segs;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4728
	tx_ring->buffer_info[i].bytecount = bytecount;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4729
	tx_ring->buffer_info[first].next_to_watch = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4730
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4731
	return count;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4732
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4733
dma_error:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4734
	dev_err(&pdev->dev, "Tx DMA map failed\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4735
	buffer_info->dma = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4736
	if (count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4737
		count--;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4738
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4739
	while (count--) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4740
		if (i == 0)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4741
			i += tx_ring->count;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4742
		i--;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4743
		buffer_info = &tx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4744
		e1000_put_txbuf(adapter, buffer_info);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4745
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4746
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4747
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4748
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4749
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4750
static void e1000_tx_queue(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4751
			   int tx_flags, int count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4752
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4753
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4754
	struct e1000_tx_desc *tx_desc = NULL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4755
	struct e1000_buffer *buffer_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4756
	u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4757
	unsigned int i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4758
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4759
	if (tx_flags & E1000_TX_FLAGS_TSO) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4760
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4761
			     E1000_TXD_CMD_TSE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4762
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4763
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4764
		if (tx_flags & E1000_TX_FLAGS_IPV4)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4765
			txd_upper |= E1000_TXD_POPTS_IXSM << 8;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4766
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4767
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4768
	if (tx_flags & E1000_TX_FLAGS_CSUM) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4769
		txd_lower |= E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4770
		txd_upper |= E1000_TXD_POPTS_TXSM << 8;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4771
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4772
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4773
	if (tx_flags & E1000_TX_FLAGS_VLAN) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4774
		txd_lower |= E1000_TXD_CMD_VLE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4775
		txd_upper |= (tx_flags & E1000_TX_FLAGS_VLAN_MASK);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4776
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4777
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4778
	i = tx_ring->next_to_use;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4779
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4780
	do {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4781
		buffer_info = &tx_ring->buffer_info[i];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4782
		tx_desc = E1000_TX_DESC(*tx_ring, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4783
		tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4784
		tx_desc->lower.data =
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4785
			cpu_to_le32(txd_lower | buffer_info->length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4786
		tx_desc->upper.data = cpu_to_le32(txd_upper);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4787
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4788
		i++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4789
		if (i == tx_ring->count)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4790
			i = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4791
	} while (--count > 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4792
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4793
	tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4794
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4795
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4796
	 * Force memory writes to complete before letting h/w
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4797
	 * know there are new descriptors to fetch.  (Only
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4798
	 * applicable for weak-ordered memory model archs,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4799
	 * such as IA-64).
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4800
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4801
	wmb();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4802
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4803
	tx_ring->next_to_use = i;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4804
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4805
	if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4806
		e1000e_update_tdt_wa(adapter, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4807
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4808
		writel(i, adapter->hw.hw_addr + tx_ring->tail);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4809
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4810
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4811
	 * we need this if more than one processor can write to our tail
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4812
	 * at a time, it synchronizes IO on IA64/Altix systems
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4813
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4814
	mmiowb();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4815
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4816
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4817
#define MINIMUM_DHCP_PACKET_SIZE 282
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4818
static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4819
				    struct sk_buff *skb)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4820
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4821
	struct e1000_hw *hw =  &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4822
	u16 length, offset;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4823
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4824
	if (vlan_tx_tag_present(skb)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4825
		if (!((vlan_tx_tag_get(skb) == adapter->hw.mng_cookie.vlan_id) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4826
		    (adapter->hw.mng_cookie.status &
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4827
			E1000_MNG_DHCP_COOKIE_STATUS_VLAN)))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4828
			return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4829
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4830
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4831
	if (skb->len <= MINIMUM_DHCP_PACKET_SIZE)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4832
		return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4833
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4834
	if (((struct ethhdr *) skb->data)->h_proto != htons(ETH_P_IP))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4835
		return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4836
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4837
	{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4838
		const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4839
		struct udphdr *udp;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4840
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4841
		if (ip->protocol != IPPROTO_UDP)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4842
			return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4843
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4844
		udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4845
		if (ntohs(udp->dest) != 67)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4846
			return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4847
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4848
		offset = (u8 *)udp + 8 - skb->data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4849
		length = skb->len - offset;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4850
		return e1000e_mng_write_dhcp_info(hw, (u8 *)udp + 8, length);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4851
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4852
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4853
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4854
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4855
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4856
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4857
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4858
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4859
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4860
	netif_stop_queue(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4861
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4862
	 * Herbert's original patch had:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4863
	 *  smp_mb__after_netif_stop_queue();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4864
	 * but since that doesn't exist yet, just open code it.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4865
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4866
	smp_mb();
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4867
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4868
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4869
	 * We need to check again in a case another CPU has just
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4870
	 * made room available.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4871
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4872
	if (e1000_desc_unused(adapter->tx_ring) < size)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4873
		return -EBUSY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4874
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4875
	/* A reprieve! */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4876
	netif_start_queue(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4877
	++adapter->restart_queue;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4878
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4879
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4880
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4881
static int e1000_maybe_stop_tx(struct net_device *netdev, int size)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4882
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4883
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4884
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4885
	if (e1000_desc_unused(adapter->tx_ring) >= size)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4886
		return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4887
	return __e1000_maybe_stop_tx(netdev, size);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4888
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4889
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4890
#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 )
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4891
static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4892
				    struct net_device *netdev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4893
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4894
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4895
	struct e1000_ring *tx_ring = adapter->tx_ring;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4896
	unsigned int first;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4897
	unsigned int max_per_txd = E1000_MAX_PER_TXD;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4898
	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4899
	unsigned int tx_flags = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4900
	unsigned int len = skb_headlen(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4901
	unsigned int nr_frags;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4902
	unsigned int mss;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4903
	int count = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4904
	int tso;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4905
	unsigned int f;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4906
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4907
	if (test_bit(__E1000_DOWN, &adapter->state)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4908
		dev_kfree_skb_any(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4909
		return NETDEV_TX_OK;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4910
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4911
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4912
	if (skb->len <= 0) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4913
		dev_kfree_skb_any(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4914
		return NETDEV_TX_OK;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4915
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4916
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4917
	mss = skb_shinfo(skb)->gso_size;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4918
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4919
	 * The controller does a simple calculation to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4920
	 * make sure there is enough room in the FIFO before
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4921
	 * initiating the DMA for each buffer.  The calc is:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4922
	 * 4 = ceil(buffer len/mss).  To make sure we don't
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4923
	 * overrun the FIFO, adjust the max buffer len if mss
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4924
	 * drops.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4925
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4926
	if (mss) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4927
		u8 hdr_len;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4928
		max_per_txd = min(mss << 2, max_per_txd);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4929
		max_txd_pwr = fls(max_per_txd) - 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4930
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4931
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4932
		 * TSO Workaround for 82571/2/3 Controllers -- if skb->data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4933
		 * points to just header, pull a few bytes of payload from
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4934
		 * frags into skb->data
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4935
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4936
		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4937
		/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4938
		 * we do this workaround for ES2LAN, but it is un-necessary,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4939
		 * avoiding it could save a lot of cycles
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4940
		 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4941
		if (skb->data_len && (hdr_len == len)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4942
			unsigned int pull_size;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4943
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4944
			pull_size = min((unsigned int)4, skb->data_len);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4945
			if (!__pskb_pull_tail(skb, pull_size)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4946
				e_err("__pskb_pull_tail failed.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4947
				dev_kfree_skb_any(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4948
				return NETDEV_TX_OK;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4949
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4950
			len = skb_headlen(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4951
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4952
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4953
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4954
	/* reserve a descriptor for the offload context */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4955
	if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4956
		count++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4957
	count++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4958
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4959
	count += TXD_USE_COUNT(len, max_txd_pwr);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4960
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4961
	nr_frags = skb_shinfo(skb)->nr_frags;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4962
	for (f = 0; f < nr_frags; f++)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4963
		count += TXD_USE_COUNT(skb_frag_size(&skb_shinfo(skb)->frags[f]),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4964
				       max_txd_pwr);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4965
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4966
	if (adapter->hw.mac.tx_pkt_filtering)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4967
		e1000_transfer_dhcp_info(adapter, skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4968
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4969
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4970
	 * need: count + 2 desc gap to keep tail from touching
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4971
	 * head, otherwise try next time
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4972
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4973
	if (e1000_maybe_stop_tx(netdev, count + 2))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4974
		return NETDEV_TX_BUSY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4975
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4976
	if (vlan_tx_tag_present(skb)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4977
		tx_flags |= E1000_TX_FLAGS_VLAN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4978
		tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4979
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4980
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4981
	first = tx_ring->next_to_use;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4982
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4983
	tso = e1000_tso(adapter, skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4984
	if (tso < 0) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4985
		dev_kfree_skb_any(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4986
		return NETDEV_TX_OK;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4987
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4988
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4989
	if (tso)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4990
		tx_flags |= E1000_TX_FLAGS_TSO;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4991
	else if (e1000_tx_csum(adapter, skb))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4992
		tx_flags |= E1000_TX_FLAGS_CSUM;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4993
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4994
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4995
	 * Old method was to assume IPv4 packet by default if TSO was enabled.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4996
	 * 82571 hardware supports TSO capabilities for IPv6 as well...
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4997
	 * no longer assume, we must.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4998
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  4999
	if (skb->protocol == htons(ETH_P_IP))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5000
		tx_flags |= E1000_TX_FLAGS_IPV4;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5001
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5002
	/* if count is 0 then mapping error has occurred */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5003
	count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5004
	if (count) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5005
		e1000_tx_queue(adapter, tx_flags, count);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5006
		/* Make sure there is space in the ring for the next send. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5007
		e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5008
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5009
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5010
		dev_kfree_skb_any(skb);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5011
		tx_ring->buffer_info[first].time_stamp = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5012
		tx_ring->next_to_use = first;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5013
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5014
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5015
	return NETDEV_TX_OK;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5016
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5017
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5018
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5019
 * e1000_tx_timeout - Respond to a Tx Hang
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5020
 * @netdev: network interface device structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5021
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5022
static void e1000_tx_timeout(struct net_device *netdev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5023
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5024
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5025
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5026
	/* Do the reset outside of interrupt context */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5027
	adapter->tx_timeout_count++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5028
	schedule_work(&adapter->reset_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5029
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5030
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5031
static void e1000_reset_task(struct work_struct *work)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5032
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5033
	struct e1000_adapter *adapter;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5034
	adapter = container_of(work, struct e1000_adapter, reset_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5035
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5036
	/* don't run the task if already down */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5037
	if (test_bit(__E1000_DOWN, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5038
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5039
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5040
	if (!((adapter->flags & FLAG_RX_NEEDS_RESTART) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5041
	      (adapter->flags & FLAG_RX_RESTART_NOW))) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5042
		e1000e_dump(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5043
		e_err("Reset adapter\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5044
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5045
	e1000e_reinit_locked(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5046
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5047
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5048
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5049
 * e1000_get_stats64 - Get System Network Statistics
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5050
 * @netdev: network interface device structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5051
 * @stats: rtnl_link_stats64 pointer
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5052
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5053
 * Returns the address of the device statistics structure.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5054
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5055
struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5056
                                             struct rtnl_link_stats64 *stats)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5057
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5058
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5059
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5060
	memset(stats, 0, sizeof(struct rtnl_link_stats64));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5061
	spin_lock(&adapter->stats64_lock);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5062
	e1000e_update_stats(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5063
	/* Fill out the OS statistics structure */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5064
	stats->rx_bytes = adapter->stats.gorc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5065
	stats->rx_packets = adapter->stats.gprc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5066
	stats->tx_bytes = adapter->stats.gotc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5067
	stats->tx_packets = adapter->stats.gptc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5068
	stats->multicast = adapter->stats.mprc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5069
	stats->collisions = adapter->stats.colc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5070
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5071
	/* Rx Errors */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5072
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5073
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5074
	 * RLEC on some newer hardware can be incorrect so build
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5075
	 * our own version based on RUC and ROC
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5076
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5077
	stats->rx_errors = adapter->stats.rxerrc +
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5078
		adapter->stats.crcerrs + adapter->stats.algnerrc +
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5079
		adapter->stats.ruc + adapter->stats.roc +
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5080
		adapter->stats.cexterr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5081
	stats->rx_length_errors = adapter->stats.ruc +
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5082
					      adapter->stats.roc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5083
	stats->rx_crc_errors = adapter->stats.crcerrs;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5084
	stats->rx_frame_errors = adapter->stats.algnerrc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5085
	stats->rx_missed_errors = adapter->stats.mpc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5086
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5087
	/* Tx Errors */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5088
	stats->tx_errors = adapter->stats.ecol +
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5089
				       adapter->stats.latecol;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5090
	stats->tx_aborted_errors = adapter->stats.ecol;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5091
	stats->tx_window_errors = adapter->stats.latecol;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5092
	stats->tx_carrier_errors = adapter->stats.tncrs;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5093
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5094
	/* Tx Dropped needs to be maintained elsewhere */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5095
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5096
	spin_unlock(&adapter->stats64_lock);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5097
	return stats;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5098
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5099
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5100
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5101
 * e1000_change_mtu - Change the Maximum Transfer Unit
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5102
 * @netdev: network interface device structure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5103
 * @new_mtu: new value for maximum frame size
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5104
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5105
 * Returns 0 on success, negative on failure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5106
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5107
static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5108
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5109
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5110
	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5111
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5112
	/* Jumbo frame support */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5113
	if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5114
	    !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5115
		e_err("Jumbo Frames not supported.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5116
		return -EINVAL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5117
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5118
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5119
	/* Supported frame sizes */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5120
	if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5121
	    (max_frame > adapter->max_hw_frame_size)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5122
		e_err("Unsupported MTU setting\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5123
		return -EINVAL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5124
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5125
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5126
	/* Jumbo frame workaround on 82579 requires CRC be stripped */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5127
	if ((adapter->hw.mac.type == e1000_pch2lan) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5128
	    !(adapter->flags2 & FLAG2_CRC_STRIPPING) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5129
	    (new_mtu > ETH_DATA_LEN)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5130
		e_err("Jumbo Frames not supported on 82579 when CRC "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5131
		      "stripping is disabled.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5132
		return -EINVAL;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5133
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5134
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5135
	/* 82573 Errata 17 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5136
	if (((adapter->hw.mac.type == e1000_82573) ||
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5137
	     (adapter->hw.mac.type == e1000_82574)) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5138
	    (max_frame > ETH_FRAME_LEN + ETH_FCS_LEN)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5139
		adapter->flags2 |= FLAG2_DISABLE_ASPM_L1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5140
		e1000e_disable_aspm(adapter->pdev, PCIE_LINK_STATE_L1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5141
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5142
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5143
	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5144
		usleep_range(1000, 2000);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5145
	/* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5146
	adapter->max_frame_size = max_frame;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5147
	e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5148
	netdev->mtu = new_mtu;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5149
	if (netif_running(netdev))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5150
		e1000e_down(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5151
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5152
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5153
	 * NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5154
	 * means we reserve 2 more, this pushes us to allocate from the next
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5155
	 * larger slab size.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5156
	 * i.e. RXBUFFER_2048 --> size-4096 slab
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5157
	 * However with the new *_jumbo_rx* routines, jumbo receives will use
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5158
	 * fragmented skbs
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5159
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5160
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5161
	if (max_frame <= 2048)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5162
		adapter->rx_buffer_len = 2048;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5163
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5164
		adapter->rx_buffer_len = 4096;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5165
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5166
	/* adjust allocation if LPE protects us, and we aren't using SBP */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5167
	if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) ||
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5168
	     (max_frame == ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5169
		adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5170
					 + ETH_FCS_LEN;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5171
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5172
	if (netif_running(netdev))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5173
		e1000e_up(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5174
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5175
		e1000e_reset(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5176
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5177
	clear_bit(__E1000_RESETTING, &adapter->state);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5178
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5179
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5180
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5181
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5182
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5183
			   int cmd)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5184
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5185
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5186
	struct mii_ioctl_data *data = if_mii(ifr);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5187
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5188
	if (adapter->hw.phy.media_type != e1000_media_type_copper)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5189
		return -EOPNOTSUPP;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5190
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5191
	switch (cmd) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5192
	case SIOCGMIIPHY:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5193
		data->phy_id = adapter->hw.phy.addr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5194
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5195
	case SIOCGMIIREG:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5196
		e1000_phy_read_status(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5197
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5198
		switch (data->reg_num & 0x1F) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5199
		case MII_BMCR:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5200
			data->val_out = adapter->phy_regs.bmcr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5201
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5202
		case MII_BMSR:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5203
			data->val_out = adapter->phy_regs.bmsr;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5204
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5205
		case MII_PHYSID1:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5206
			data->val_out = (adapter->hw.phy.id >> 16);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5207
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5208
		case MII_PHYSID2:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5209
			data->val_out = (adapter->hw.phy.id & 0xFFFF);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5210
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5211
		case MII_ADVERTISE:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5212
			data->val_out = adapter->phy_regs.advertise;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5213
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5214
		case MII_LPA:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5215
			data->val_out = adapter->phy_regs.lpa;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5216
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5217
		case MII_EXPANSION:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5218
			data->val_out = adapter->phy_regs.expansion;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5219
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5220
		case MII_CTRL1000:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5221
			data->val_out = adapter->phy_regs.ctrl1000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5222
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5223
		case MII_STAT1000:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5224
			data->val_out = adapter->phy_regs.stat1000;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5225
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5226
		case MII_ESTATUS:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5227
			data->val_out = adapter->phy_regs.estatus;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5228
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5229
		default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5230
			return -EIO;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5231
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5232
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5233
	case SIOCSMIIREG:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5234
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5235
		return -EOPNOTSUPP;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5236
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5237
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5238
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5239
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5240
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5241
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5242
	switch (cmd) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5243
	case SIOCGMIIPHY:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5244
	case SIOCGMIIREG:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5245
	case SIOCSMIIREG:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5246
		return e1000_mii_ioctl(netdev, ifr, cmd);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5247
	default:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5248
		return -EOPNOTSUPP;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5249
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5250
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5251
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5252
static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5253
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5254
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5255
	u32 i, mac_reg;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5256
	u16 phy_reg, wuc_enable;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5257
	int retval = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5258
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5259
	/* copy MAC RARs to PHY RARs */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5260
	e1000_copy_rx_addrs_to_phy_ich8lan(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5261
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5262
	retval = hw->phy.ops.acquire(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5263
	if (retval) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5264
		e_err("Could not acquire PHY\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5265
		return retval;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5266
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5267
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5268
	/* Enable access to wakeup registers on and set page to BM_WUC_PAGE */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5269
	retval = e1000_enable_phy_wakeup_reg_access_bm(hw, &wuc_enable);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5270
	if (retval)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5271
		goto out;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5272
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5273
	/* copy MAC MTA to PHY MTA - only needed for pchlan */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5274
	for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5275
		mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5276
		hw->phy.ops.write_reg_page(hw, BM_MTA(i),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5277
					   (u16)(mac_reg & 0xFFFF));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5278
		hw->phy.ops.write_reg_page(hw, BM_MTA(i) + 1,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5279
					   (u16)((mac_reg >> 16) & 0xFFFF));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5280
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5281
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5282
	/* configure PHY Rx Control register */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5283
	hw->phy.ops.read_reg_page(&adapter->hw, BM_RCTL, &phy_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5284
	mac_reg = er32(RCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5285
	if (mac_reg & E1000_RCTL_UPE)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5286
		phy_reg |= BM_RCTL_UPE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5287
	if (mac_reg & E1000_RCTL_MPE)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5288
		phy_reg |= BM_RCTL_MPE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5289
	phy_reg &= ~(BM_RCTL_MO_MASK);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5290
	if (mac_reg & E1000_RCTL_MO_3)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5291
		phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5292
				<< BM_RCTL_MO_SHIFT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5293
	if (mac_reg & E1000_RCTL_BAM)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5294
		phy_reg |= BM_RCTL_BAM;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5295
	if (mac_reg & E1000_RCTL_PMCF)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5296
		phy_reg |= BM_RCTL_PMCF;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5297
	mac_reg = er32(CTRL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5298
	if (mac_reg & E1000_CTRL_RFCE)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5299
		phy_reg |= BM_RCTL_RFCE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5300
	hw->phy.ops.write_reg_page(&adapter->hw, BM_RCTL, phy_reg);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5301
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5302
	/* enable PHY wakeup in MAC register */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5303
	ew32(WUFC, wufc);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5304
	ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5305
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5306
	/* configure and enable PHY wakeup in PHY registers */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5307
	hw->phy.ops.write_reg_page(&adapter->hw, BM_WUFC, wufc);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5308
	hw->phy.ops.write_reg_page(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5309
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5310
	/* activate PHY wakeup */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5311
	wuc_enable |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5312
	retval = e1000_disable_phy_wakeup_reg_access_bm(hw, &wuc_enable);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5313
	if (retval)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5314
		e_err("Could not set PHY Host Wakeup bit\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5315
out:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5316
	hw->phy.ops.release(hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5317
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5318
	return retval;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5319
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5320
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5321
static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5322
			    bool runtime)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5323
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5324
	struct net_device *netdev = pci_get_drvdata(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5325
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5326
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5327
	u32 ctrl, ctrl_ext, rctl, status;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5328
	/* Runtime suspend should only enable wakeup for link changes */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5329
	u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5330
	int retval = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5331
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5332
	netif_device_detach(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5333
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5334
	if (netif_running(netdev)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5335
		WARN_ON(test_bit(__E1000_RESETTING, &adapter->state));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5336
		e1000e_down(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5337
		e1000_free_irq(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5338
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5339
	e1000e_reset_interrupt_capability(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5340
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5341
	retval = pci_save_state(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5342
	if (retval)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5343
		return retval;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5344
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5345
	status = er32(STATUS);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5346
	if (status & E1000_STATUS_LU)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5347
		wufc &= ~E1000_WUFC_LNKC;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5348
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5349
	if (wufc) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5350
		e1000_setup_rctl(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5351
		e1000_set_multi(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5352
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5353
		/* turn on all-multi mode if wake on multicast is enabled */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5354
		if (wufc & E1000_WUFC_MC) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5355
			rctl = er32(RCTL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5356
			rctl |= E1000_RCTL_MPE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5357
			ew32(RCTL, rctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5358
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5359
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5360
		ctrl = er32(CTRL);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5361
		/* advertise wake from D3Cold */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5362
		#define E1000_CTRL_ADVD3WUC 0x00100000
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5363
		/* phy power management enable */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5364
		#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5365
		ctrl |= E1000_CTRL_ADVD3WUC;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5366
		if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5367
			ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5368
		ew32(CTRL, ctrl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5369
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5370
		if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5371
		    adapter->hw.phy.media_type ==
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5372
		    e1000_media_type_internal_serdes) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5373
			/* keep the laser running in D3 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5374
			ctrl_ext = er32(CTRL_EXT);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5375
			ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5376
			ew32(CTRL_EXT, ctrl_ext);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5377
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5378
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5379
		if (adapter->flags & FLAG_IS_ICH)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5380
			e1000_suspend_workarounds_ich8lan(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5381
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5382
		/* Allow time for pending master requests to run */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5383
		e1000e_disable_pcie_master(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5384
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5385
		if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5386
			/* enable wakeup by the PHY */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5387
			retval = e1000_init_phy_wakeup(adapter, wufc);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5388
			if (retval)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5389
				return retval;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5390
		} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5391
			/* enable wakeup by the MAC */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5392
			ew32(WUFC, wufc);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5393
			ew32(WUC, E1000_WUC_PME_EN);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5394
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5395
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5396
		ew32(WUC, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5397
		ew32(WUFC, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5398
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5399
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5400
	*enable_wake = !!wufc;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5401
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5402
	/* make sure adapter isn't asleep if manageability is enabled */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5403
	if ((adapter->flags & FLAG_MNG_PT_ENABLED) ||
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5404
	    (hw->mac.ops.check_mng_mode(hw)))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5405
		*enable_wake = true;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5406
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5407
	if (adapter->hw.phy.type == e1000_phy_igp_3)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5408
		e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5409
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5410
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5411
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5412
	 * would have already happened in close and is redundant.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5413
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5414
	e1000e_release_hw_control(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5415
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5416
	pci_disable_device(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5417
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5418
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5419
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5420
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5421
static void e1000_power_off(struct pci_dev *pdev, bool sleep, bool wake)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5422
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5423
	if (sleep && wake) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5424
		pci_prepare_to_sleep(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5425
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5426
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5427
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5428
	pci_wake_from_d3(pdev, wake);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5429
	pci_set_power_state(pdev, PCI_D3hot);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5430
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5431
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5432
static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5433
                                    bool wake)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5434
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5435
	struct net_device *netdev = pci_get_drvdata(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5436
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5437
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5438
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5439
	 * The pci-e switch on some quad port adapters will report a
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5440
	 * correctable error when the MAC transitions from D0 to D3.  To
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5441
	 * prevent this we need to mask off the correctable errors on the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5442
	 * downstream port of the pci-e switch.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5443
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5444
	if (adapter->flags & FLAG_IS_QUAD_PORT) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5445
		struct pci_dev *us_dev = pdev->bus->self;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5446
		int pos = pci_pcie_cap(us_dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5447
		u16 devctl;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5448
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5449
		pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5450
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5451
		                      (devctl & ~PCI_EXP_DEVCTL_CERE));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5452
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5453
		e1000_power_off(pdev, sleep, wake);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5454
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5455
		pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL, devctl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5456
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5457
		e1000_power_off(pdev, sleep, wake);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5458
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5459
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5460
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5461
#ifdef CONFIG_PCIEASPM
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5462
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5463
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5464
	pci_disable_link_state_locked(pdev, state);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5465
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5466
#else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5467
static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5468
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5469
	int pos;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5470
	u16 reg16;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5471
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5472
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5473
	 * Both device and parent should have the same ASPM setting.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5474
	 * Disable ASPM in downstream component first and then upstream.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5475
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5476
	pos = pci_pcie_cap(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5477
	pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &reg16);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5478
	reg16 &= ~state;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5479
	pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5480
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5481
	if (!pdev->bus->self)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5482
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5483
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5484
	pos = pci_pcie_cap(pdev->bus->self);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5485
	pci_read_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, &reg16);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5486
	reg16 &= ~state;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5487
	pci_write_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, reg16);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5488
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5489
#endif
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5490
static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5491
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5492
	dev_info(&pdev->dev, "Disabling ASPM %s %s\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5493
		 (state & PCIE_LINK_STATE_L0S) ? "L0s" : "",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5494
		 (state & PCIE_LINK_STATE_L1) ? "L1" : "");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5495
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5496
	__e1000e_disable_aspm(pdev, state);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5497
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5498
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5499
#ifdef CONFIG_PM
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5500
static bool e1000e_pm_ready(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5501
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5502
	return !!adapter->tx_ring->buffer_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5503
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5504
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5505
static int __e1000_resume(struct pci_dev *pdev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5506
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5507
	struct net_device *netdev = pci_get_drvdata(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5508
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5509
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5510
	u16 aspm_disable_flag = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5511
	u32 err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5512
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5513
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L0S)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5514
		aspm_disable_flag = PCIE_LINK_STATE_L0S;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5515
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5516
		aspm_disable_flag |= PCIE_LINK_STATE_L1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5517
	if (aspm_disable_flag)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5518
		e1000e_disable_aspm(pdev, aspm_disable_flag);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5519
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5520
	pci_set_power_state(pdev, PCI_D0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5521
	pci_restore_state(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5522
	pci_save_state(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5523
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5524
	e1000e_set_interrupt_capability(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5525
	if (netif_running(netdev)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5526
		err = e1000_request_irq(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5527
		if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5528
			return err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5529
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5530
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5531
	if (hw->mac.type == e1000_pch2lan)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5532
		e1000_resume_workarounds_pchlan(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5533
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5534
	e1000e_power_up_phy(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5535
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5536
	/* report the system wakeup cause from S3/S4 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5537
	if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5538
		u16 phy_data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5539
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5540
		e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5541
		if (phy_data) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5542
			e_info("PHY Wakeup cause - %s\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5543
				phy_data & E1000_WUS_EX ? "Unicast Packet" :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5544
				phy_data & E1000_WUS_MC ? "Multicast Packet" :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5545
				phy_data & E1000_WUS_BC ? "Broadcast Packet" :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5546
				phy_data & E1000_WUS_MAG ? "Magic Packet" :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5547
				phy_data & E1000_WUS_LNKC ? "Link Status "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5548
				" Change" : "other");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5549
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5550
		e1e_wphy(&adapter->hw, BM_WUS, ~0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5551
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5552
		u32 wus = er32(WUS);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5553
		if (wus) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5554
			e_info("MAC Wakeup cause - %s\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5555
				wus & E1000_WUS_EX ? "Unicast Packet" :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5556
				wus & E1000_WUS_MC ? "Multicast Packet" :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5557
				wus & E1000_WUS_BC ? "Broadcast Packet" :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5558
				wus & E1000_WUS_MAG ? "Magic Packet" :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5559
				wus & E1000_WUS_LNKC ? "Link Status Change" :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5560
				"other");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5561
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5562
		ew32(WUS, ~0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5563
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5564
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5565
	e1000e_reset(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5566
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5567
	e1000_init_manageability_pt(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5568
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5569
	if (netif_running(netdev))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5570
		e1000e_up(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5571
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5572
	netif_device_attach(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5573
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5574
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5575
	 * If the controller has AMT, do not set DRV_LOAD until the interface
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5576
	 * is up.  For all other cases, let the f/w know that the h/w is now
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5577
	 * under the control of the driver.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5578
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5579
	if (!(adapter->flags & FLAG_HAS_AMT))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5580
		e1000e_get_hw_control(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5581
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5582
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5583
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5584
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5585
#ifdef CONFIG_PM_SLEEP
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5586
static int e1000_suspend(struct device *dev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5587
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5588
	struct pci_dev *pdev = to_pci_dev(dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5589
	int retval;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5590
	bool wake;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5591
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5592
	retval = __e1000_shutdown(pdev, &wake, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5593
	if (!retval)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5594
		e1000_complete_shutdown(pdev, true, wake);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5595
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5596
	return retval;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5597
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5598
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5599
static int e1000_resume(struct device *dev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5600
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5601
	struct pci_dev *pdev = to_pci_dev(dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5602
	struct net_device *netdev = pci_get_drvdata(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5603
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5604
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5605
	if (e1000e_pm_ready(adapter))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5606
		adapter->idle_check = true;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5607
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5608
	return __e1000_resume(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5609
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5610
#endif /* CONFIG_PM_SLEEP */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5611
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5612
#ifdef CONFIG_PM_RUNTIME
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5613
static int e1000_runtime_suspend(struct device *dev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5614
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5615
	struct pci_dev *pdev = to_pci_dev(dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5616
	struct net_device *netdev = pci_get_drvdata(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5617
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5618
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5619
	if (e1000e_pm_ready(adapter)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5620
		bool wake;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5621
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5622
		__e1000_shutdown(pdev, &wake, true);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5623
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5624
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5625
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5626
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5627
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5628
static int e1000_idle(struct device *dev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5629
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5630
	struct pci_dev *pdev = to_pci_dev(dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5631
	struct net_device *netdev = pci_get_drvdata(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5632
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5633
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5634
	if (!e1000e_pm_ready(adapter))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5635
		return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5636
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5637
	if (adapter->idle_check) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5638
		adapter->idle_check = false;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5639
		if (!e1000e_has_link(adapter))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5640
			pm_schedule_suspend(dev, MSEC_PER_SEC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5641
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5642
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5643
	return -EBUSY;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5644
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5645
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5646
static int e1000_runtime_resume(struct device *dev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5647
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5648
	struct pci_dev *pdev = to_pci_dev(dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5649
	struct net_device *netdev = pci_get_drvdata(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5650
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5651
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5652
	if (!e1000e_pm_ready(adapter))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5653
		return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5654
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5655
	adapter->idle_check = !dev->power.runtime_auto;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5656
	return __e1000_resume(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5657
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5658
#endif /* CONFIG_PM_RUNTIME */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5659
#endif /* CONFIG_PM */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5660
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5661
static void e1000_shutdown(struct pci_dev *pdev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5662
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5663
	bool wake = false;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5664
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5665
	__e1000_shutdown(pdev, &wake, false);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5666
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5667
	if (system_state == SYSTEM_POWER_OFF)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5668
		e1000_complete_shutdown(pdev, false, wake);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5669
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5670
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5671
#ifdef CONFIG_NET_POLL_CONTROLLER
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5672
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5673
static irqreturn_t e1000_intr_msix(int irq, void *data)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5674
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5675
	struct net_device *netdev = data;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5676
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5677
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5678
	if (adapter->msix_entries) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5679
		int vector, msix_irq;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5680
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5681
		vector = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5682
		msix_irq = adapter->msix_entries[vector].vector;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5683
		disable_irq(msix_irq);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5684
		e1000_intr_msix_rx(msix_irq, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5685
		enable_irq(msix_irq);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5686
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5687
		vector++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5688
		msix_irq = adapter->msix_entries[vector].vector;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5689
		disable_irq(msix_irq);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5690
		e1000_intr_msix_tx(msix_irq, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5691
		enable_irq(msix_irq);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5692
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5693
		vector++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5694
		msix_irq = adapter->msix_entries[vector].vector;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5695
		disable_irq(msix_irq);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5696
		e1000_msix_other(msix_irq, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5697
		enable_irq(msix_irq);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5698
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5699
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5700
	return IRQ_HANDLED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5701
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5702
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5703
/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5704
 * Polling 'interrupt' - used by things like netconsole to send skbs
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5705
 * without having to re-enable interrupts. It's not called while
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5706
 * the interrupt routine is executing.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5707
 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5708
static void e1000_netpoll(struct net_device *netdev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5709
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5710
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5711
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5712
	switch (adapter->int_mode) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5713
	case E1000E_INT_MODE_MSIX:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5714
		e1000_intr_msix(adapter->pdev->irq, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5715
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5716
	case E1000E_INT_MODE_MSI:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5717
		disable_irq(adapter->pdev->irq);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5718
		e1000_intr_msi(adapter->pdev->irq, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5719
		enable_irq(adapter->pdev->irq);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5720
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5721
	default: /* E1000E_INT_MODE_LEGACY */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5722
		disable_irq(adapter->pdev->irq);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5723
		e1000_intr(adapter->pdev->irq, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5724
		enable_irq(adapter->pdev->irq);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5725
		break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5726
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5727
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5728
#endif
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5729
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5730
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5731
 * e1000_io_error_detected - called when PCI error is detected
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5732
 * @pdev: Pointer to PCI device
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5733
 * @state: The current pci connection state
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5734
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5735
 * This function is called after a PCI bus error affecting
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5736
 * this device has been detected.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5737
 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5738
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5739
						pci_channel_state_t state)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5740
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5741
	struct net_device *netdev = pci_get_drvdata(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5742
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5743
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5744
	netif_device_detach(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5745
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5746
	if (state == pci_channel_io_perm_failure)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5747
		return PCI_ERS_RESULT_DISCONNECT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5748
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5749
	if (netif_running(netdev))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5750
		e1000e_down(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5751
	pci_disable_device(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5752
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5753
	/* Request a slot slot reset. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5754
	return PCI_ERS_RESULT_NEED_RESET;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5755
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5756
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5757
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5758
 * e1000_io_slot_reset - called after the pci bus has been reset.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5759
 * @pdev: Pointer to PCI device
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5760
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5761
 * Restart the card from scratch, as if from a cold-boot. Implementation
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5762
 * resembles the first-half of the e1000_resume routine.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5763
 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5764
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5765
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5766
	struct net_device *netdev = pci_get_drvdata(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5767
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5768
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5769
	u16 aspm_disable_flag = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5770
	int err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5771
	pci_ers_result_t result;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5772
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5773
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L0S)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5774
		aspm_disable_flag = PCIE_LINK_STATE_L0S;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5775
	if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5776
		aspm_disable_flag |= PCIE_LINK_STATE_L1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5777
	if (aspm_disable_flag)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5778
		e1000e_disable_aspm(pdev, aspm_disable_flag);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5779
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5780
	err = pci_enable_device_mem(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5781
	if (err) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5782
		dev_err(&pdev->dev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5783
			"Cannot re-enable PCI device after reset.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5784
		result = PCI_ERS_RESULT_DISCONNECT;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5785
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5786
		pci_set_master(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5787
		pdev->state_saved = true;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5788
		pci_restore_state(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5789
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5790
		pci_enable_wake(pdev, PCI_D3hot, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5791
		pci_enable_wake(pdev, PCI_D3cold, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5792
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5793
		e1000e_reset(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5794
		ew32(WUS, ~0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5795
		result = PCI_ERS_RESULT_RECOVERED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5796
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5797
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5798
	pci_cleanup_aer_uncorrect_error_status(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5799
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5800
	return result;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5801
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5802
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5803
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5804
 * e1000_io_resume - called when traffic can start flowing again.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5805
 * @pdev: Pointer to PCI device
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5806
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5807
 * This callback is called when the error recovery driver tells us that
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5808
 * its OK to resume normal operation. Implementation resembles the
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5809
 * second-half of the e1000_resume routine.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5810
 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5811
static void e1000_io_resume(struct pci_dev *pdev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5812
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5813
	struct net_device *netdev = pci_get_drvdata(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5814
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5815
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5816
	e1000_init_manageability_pt(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5817
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5818
	if (netif_running(netdev)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5819
		if (e1000e_up(adapter)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5820
			dev_err(&pdev->dev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5821
				"can't bring device back up after reset\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5822
			return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5823
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5824
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5825
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5826
	netif_device_attach(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5827
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5828
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5829
	 * If the controller has AMT, do not set DRV_LOAD until the interface
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5830
	 * is up.  For all other cases, let the f/w know that the h/w is now
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5831
	 * under the control of the driver.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5832
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5833
	if (!(adapter->flags & FLAG_HAS_AMT))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5834
		e1000e_get_hw_control(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5835
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5836
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5837
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5838
static void e1000_print_device_info(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5839
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5840
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5841
	struct net_device *netdev = adapter->netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5842
	u32 ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5843
	u8 pba_str[E1000_PBANUM_LENGTH];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5844
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5845
	/* print bus type/speed/width info */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5846
	e_info("(PCI Express:2.5GT/s:%s) %pM\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5847
	       /* bus width */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5848
	       ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5849
	        "Width x1"),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5850
	       /* MAC address */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5851
	       netdev->dev_addr);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5852
	e_info("Intel(R) PRO/%s Network Connection\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5853
	       (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5854
	ret_val = e1000_read_pba_string_generic(hw, pba_str,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5855
						E1000_PBANUM_LENGTH);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5856
	if (ret_val)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5857
		strncpy((char *)pba_str, "Unknown", sizeof(pba_str) - 1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5858
	e_info("MAC: %d, PHY: %d, PBA No: %s\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5859
	       hw->mac.type, hw->phy.type, pba_str);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5860
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5861
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5862
static void e1000_eeprom_checks(struct e1000_adapter *adapter)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5863
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5864
	struct e1000_hw *hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5865
	int ret_val;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5866
	u16 buf = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5867
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5868
	if (hw->mac.type != e1000_82573)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5869
		return;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5870
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5871
	ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5872
	if (!ret_val && (!(le16_to_cpu(buf) & (1 << 0)))) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5873
		/* Deep Smart Power Down (DSPD) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5874
		dev_warn(&adapter->pdev->dev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5875
			 "Warning: detected DSPD enabled in EEPROM\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5876
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5877
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5878
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5879
static int e1000_set_features(struct net_device *netdev, u32 features)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5880
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5881
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5882
	u32 changed = features ^ netdev->features;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5883
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5884
	if (changed & (NETIF_F_TSO | NETIF_F_TSO6))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5885
		adapter->flags |= FLAG_TSO_FORCE;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5886
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5887
	if (!(changed & (NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5888
			 NETIF_F_RXCSUM)))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5889
		return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5890
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5891
	if (netif_running(netdev))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5892
		e1000e_reinit_locked(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5893
	else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5894
		e1000e_reset(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5895
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5896
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5897
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5898
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5899
static const struct net_device_ops e1000e_netdev_ops = {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5900
	.ndo_open		= e1000_open,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5901
	.ndo_stop		= e1000_close,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5902
	.ndo_start_xmit		= e1000_xmit_frame,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5903
	.ndo_get_stats64	= e1000e_get_stats64,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5904
	.ndo_set_rx_mode	= e1000_set_multi,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5905
	.ndo_set_mac_address	= e1000_set_mac,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5906
	.ndo_change_mtu		= e1000_change_mtu,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5907
	.ndo_do_ioctl		= e1000_ioctl,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5908
	.ndo_tx_timeout		= e1000_tx_timeout,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5909
	.ndo_validate_addr	= eth_validate_addr,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5910
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5911
	.ndo_vlan_rx_add_vid	= e1000_vlan_rx_add_vid,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5912
	.ndo_vlan_rx_kill_vid	= e1000_vlan_rx_kill_vid,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5913
#ifdef CONFIG_NET_POLL_CONTROLLER
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5914
	.ndo_poll_controller	= e1000_netpoll,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5915
#endif
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5916
	.ndo_set_features = e1000_set_features,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5917
};
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5918
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5919
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5920
 * e1000_probe - Device Initialization Routine
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5921
 * @pdev: PCI device information struct
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5922
 * @ent: entry in e1000_pci_tbl
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5923
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5924
 * Returns 0 on success, negative on failure
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5925
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5926
 * e1000_probe initializes an adapter identified by a pci_dev structure.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5927
 * The OS initialization, configuring of the adapter private structure,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5928
 * and a hardware reset occur.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5929
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5930
static int __devinit e1000_probe(struct pci_dev *pdev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5931
				 const struct pci_device_id *ent)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5932
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5933
	struct net_device *netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5934
	struct e1000_adapter *adapter;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5935
	struct e1000_hw *hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5936
	const struct e1000_info *ei = e1000_info_tbl[ent->driver_data];
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5937
	resource_size_t mmio_start, mmio_len;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5938
	resource_size_t flash_start, flash_len;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5939
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5940
	static int cards_found;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5941
	u16 aspm_disable_flag = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5942
	int i, err, pci_using_dac;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5943
	u16 eeprom_data = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5944
	u16 eeprom_apme_mask = E1000_EEPROM_APME;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5945
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5946
	if (ei->flags2 & FLAG2_DISABLE_ASPM_L0S)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5947
		aspm_disable_flag = PCIE_LINK_STATE_L0S;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5948
	if (ei->flags2 & FLAG2_DISABLE_ASPM_L1)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5949
		aspm_disable_flag |= PCIE_LINK_STATE_L1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5950
	if (aspm_disable_flag)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5951
		e1000e_disable_aspm(pdev, aspm_disable_flag);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5952
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5953
	err = pci_enable_device_mem(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5954
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5955
		return err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5956
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5957
	pci_using_dac = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5958
	err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5959
	if (!err) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5960
		err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5961
		if (!err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5962
			pci_using_dac = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5963
	} else {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5964
		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5965
		if (err) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5966
			err = dma_set_coherent_mask(&pdev->dev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5967
						    DMA_BIT_MASK(32));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5968
			if (err) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5969
				dev_err(&pdev->dev, "No usable DMA "
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5970
					"configuration, aborting\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5971
				goto err_dma;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5972
			}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5973
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5974
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5975
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5976
	err = pci_request_selected_regions_exclusive(pdev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5977
	                                  pci_select_bars(pdev, IORESOURCE_MEM),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5978
	                                  e1000e_driver_name);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5979
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5980
		goto err_pci_reg;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5981
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5982
	/* AER (Advanced Error Reporting) hooks */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5983
	pci_enable_pcie_error_reporting(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5984
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5985
	pci_set_master(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5986
	/* PCI config space info */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5987
	err = pci_save_state(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5988
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5989
		goto err_alloc_etherdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5990
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5991
	err = -ENOMEM;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5992
	netdev = alloc_etherdev(sizeof(struct e1000_adapter));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5993
	if (!netdev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5994
		goto err_alloc_etherdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5995
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5996
	SET_NETDEV_DEV(netdev, &pdev->dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5997
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5998
	netdev->irq = pdev->irq;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  5999
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6000
	pci_set_drvdata(pdev, netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6001
	adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6002
	hw = &adapter->hw;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6003
	adapter->netdev = netdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6004
	adapter->pdev = pdev;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6005
	adapter->ei = ei;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6006
	adapter->pba = ei->pba;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6007
	adapter->flags = ei->flags;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6008
	adapter->flags2 = ei->flags2;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6009
	adapter->hw.adapter = adapter;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6010
	adapter->hw.mac.type = ei->mac;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6011
	adapter->max_hw_frame_size = ei->max_hw_frame_size;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6012
	adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6013
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6014
	mmio_start = pci_resource_start(pdev, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6015
	mmio_len = pci_resource_len(pdev, 0);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6016
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6017
	err = -EIO;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6018
	adapter->hw.hw_addr = ioremap(mmio_start, mmio_len);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6019
	if (!adapter->hw.hw_addr)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6020
		goto err_ioremap;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6021
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6022
	if ((adapter->flags & FLAG_HAS_FLASH) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6023
	    (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6024
		flash_start = pci_resource_start(pdev, 1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6025
		flash_len = pci_resource_len(pdev, 1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6026
		adapter->hw.flash_address = ioremap(flash_start, flash_len);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6027
		if (!adapter->hw.flash_address)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6028
			goto err_flashmap;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6029
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6030
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6031
	/* construct the net_device struct */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6032
	netdev->netdev_ops		= &e1000e_netdev_ops;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6033
	e1000e_set_ethtool_ops(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6034
	netdev->watchdog_timeo		= 5 * HZ;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6035
	netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6036
	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6037
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6038
	netdev->mem_start = mmio_start;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6039
	netdev->mem_end = mmio_start + mmio_len;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6040
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6041
	adapter->bd_number = cards_found++;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6042
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6043
	e1000e_check_options(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6044
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6045
	/* setup adapter struct */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6046
	err = e1000_sw_init(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6047
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6048
		goto err_sw_init;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6049
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6050
	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6051
	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6052
	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6053
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6054
	err = ei->get_variants(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6055
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6056
		goto err_hw_init;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6057
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6058
	if ((adapter->flags & FLAG_IS_ICH) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6059
	    (adapter->flags & FLAG_READ_ONLY_NVM))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6060
		e1000e_write_protect_nvm_ich8lan(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6061
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6062
	hw->mac.ops.get_bus_info(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6063
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6064
	adapter->hw.phy.autoneg_wait_to_complete = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6065
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6066
	/* Copper options */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6067
	if (adapter->hw.phy.media_type == e1000_media_type_copper) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6068
		adapter->hw.phy.mdix = AUTO_ALL_MODES;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6069
		adapter->hw.phy.disable_polarity_correction = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6070
		adapter->hw.phy.ms_type = e1000_ms_hw_default;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6071
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6072
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6073
	if (e1000_check_reset_block(&adapter->hw))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6074
		e_info("PHY reset is blocked due to SOL/IDER session.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6075
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6076
	/* Set initial default active device features */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6077
	netdev->features = (NETIF_F_SG |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6078
			    NETIF_F_HW_VLAN_RX |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6079
			    NETIF_F_HW_VLAN_TX |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6080
			    NETIF_F_TSO |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6081
			    NETIF_F_TSO6 |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6082
			    NETIF_F_RXCSUM |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6083
			    NETIF_F_HW_CSUM);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6084
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6085
	/* Set user-changeable features (subset of all device features) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6086
	netdev->hw_features = netdev->features;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6087
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6088
	if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6089
		netdev->features |= NETIF_F_HW_VLAN_FILTER;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6090
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6091
	netdev->vlan_features |= (NETIF_F_SG |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6092
				  NETIF_F_TSO |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6093
				  NETIF_F_TSO6 |
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6094
				  NETIF_F_HW_CSUM);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6095
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6096
	if (pci_using_dac) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6097
		netdev->features |= NETIF_F_HIGHDMA;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6098
		netdev->vlan_features |= NETIF_F_HIGHDMA;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6099
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6100
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6101
	if (e1000e_enable_mng_pass_thru(&adapter->hw))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6102
		adapter->flags |= FLAG_MNG_PT_ENABLED;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6103
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6104
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6105
	 * before reading the NVM, reset the controller to
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6106
	 * put the device in a known good starting state
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6107
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6108
	adapter->hw.mac.ops.reset_hw(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6109
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6110
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6111
	 * systems with ASPM and others may see the checksum fail on the first
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6112
	 * attempt. Let's give it a few tries
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6113
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6114
	for (i = 0;; i++) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6115
		if (e1000_validate_nvm_checksum(&adapter->hw) >= 0)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6116
			break;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6117
		if (i == 2) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6118
			e_err("The NVM Checksum Is Not Valid\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6119
			err = -EIO;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6120
			goto err_eeprom;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6121
		}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6122
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6123
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6124
	e1000_eeprom_checks(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6125
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6126
	/* copy the MAC address */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6127
	if (e1000e_read_mac_addr(&adapter->hw))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6128
		e_err("NVM Read Error while reading MAC address\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6129
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6130
	memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6131
	memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6132
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6133
	if (!is_valid_ether_addr(netdev->perm_addr)) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6134
		e_err("Invalid MAC Address: %pM\n", netdev->perm_addr);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6135
		err = -EIO;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6136
		goto err_eeprom;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6137
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6138
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6139
	init_timer(&adapter->watchdog_timer);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6140
	adapter->watchdog_timer.function = e1000_watchdog;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6141
	adapter->watchdog_timer.data = (unsigned long) adapter;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6142
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6143
	init_timer(&adapter->phy_info_timer);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6144
	adapter->phy_info_timer.function = e1000_update_phy_info;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6145
	adapter->phy_info_timer.data = (unsigned long) adapter;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6146
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6147
	INIT_WORK(&adapter->reset_task, e1000_reset_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6148
	INIT_WORK(&adapter->watchdog_task, e1000_watchdog_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6149
	INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6150
	INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6151
	INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6152
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6153
	/* Initialize link parameters. User can change them with ethtool */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6154
	adapter->hw.mac.autoneg = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6155
	adapter->fc_autoneg = 1;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6156
	adapter->hw.fc.requested_mode = e1000_fc_default;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6157
	adapter->hw.fc.current_mode = e1000_fc_default;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6158
	adapter->hw.phy.autoneg_advertised = 0x2f;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6159
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6160
	/* ring size defaults */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6161
	adapter->rx_ring->count = 256;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6162
	adapter->tx_ring->count = 256;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6163
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6164
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6165
	 * Initial Wake on LAN setting - If APM wake is enabled in
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6166
	 * the EEPROM, enable the ACPI Magic Packet filter
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6167
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6168
	if (adapter->flags & FLAG_APME_IN_WUC) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6169
		/* APME bit in EEPROM is mapped to WUC.APME */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6170
		eeprom_data = er32(WUC);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6171
		eeprom_apme_mask = E1000_WUC_APME;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6172
		if ((hw->mac.type > e1000_ich10lan) &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6173
		    (eeprom_data & E1000_WUC_PHY_WAKE))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6174
			adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6175
	} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6176
		if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6177
		    (adapter->hw.bus.func == 1))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6178
			e1000_read_nvm(&adapter->hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6179
				NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6180
		else
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6181
			e1000_read_nvm(&adapter->hw,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6182
				NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6183
	}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6184
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6185
	/* fetch WoL from EEPROM */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6186
	if (eeprom_data & eeprom_apme_mask)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6187
		adapter->eeprom_wol |= E1000_WUFC_MAG;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6188
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6189
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6190
	 * now that we have the eeprom settings, apply the special cases
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6191
	 * where the eeprom may be wrong or the board simply won't support
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6192
	 * wake on lan on a particular port
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6193
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6194
	if (!(adapter->flags & FLAG_HAS_WOL))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6195
		adapter->eeprom_wol = 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6196
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6197
	/* initialize the wol settings based on the eeprom settings */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6198
	adapter->wol = adapter->eeprom_wol;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6199
	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6200
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6201
	/* save off EEPROM version number */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6202
	e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6203
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6204
	/* reset the hardware with the new settings */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6205
	e1000e_reset(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6206
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6207
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6208
	 * If the controller has AMT, do not set DRV_LOAD until the interface
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6209
	 * is up.  For all other cases, let the f/w know that the h/w is now
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6210
	 * under the control of the driver.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6211
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6212
	if (!(adapter->flags & FLAG_HAS_AMT))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6213
		e1000e_get_hw_control(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6214
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6215
	strncpy(netdev->name, "eth%d", sizeof(netdev->name) - 1);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6216
	err = register_netdev(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6217
	if (err)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6218
		goto err_register;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6219
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6220
	/* carrier off reporting is important to ethtool even BEFORE open */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6221
	netif_carrier_off(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6222
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6223
	e1000_print_device_info(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6224
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6225
	if (pci_dev_run_wake(pdev))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6226
		pm_runtime_put_noidle(&pdev->dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6227
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6228
	return 0;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6229
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6230
err_register:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6231
	if (!(adapter->flags & FLAG_HAS_AMT))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6232
		e1000e_release_hw_control(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6233
err_eeprom:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6234
	if (!e1000_check_reset_block(&adapter->hw))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6235
		e1000_phy_hw_reset(&adapter->hw);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6236
err_hw_init:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6237
	kfree(adapter->tx_ring);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6238
	kfree(adapter->rx_ring);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6239
err_sw_init:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6240
	if (adapter->hw.flash_address)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6241
		iounmap(adapter->hw.flash_address);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6242
	e1000e_reset_interrupt_capability(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6243
err_flashmap:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6244
	iounmap(adapter->hw.hw_addr);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6245
err_ioremap:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6246
	free_netdev(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6247
err_alloc_etherdev:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6248
	pci_release_selected_regions(pdev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6249
	                             pci_select_bars(pdev, IORESOURCE_MEM));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6250
err_pci_reg:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6251
err_dma:
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6252
	pci_disable_device(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6253
	return err;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6254
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6255
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6256
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6257
 * e1000_remove - Device Removal Routine
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6258
 * @pdev: PCI device information struct
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6259
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6260
 * e1000_remove is called by the PCI subsystem to alert the driver
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6261
 * that it should release a PCI device.  The could be caused by a
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6262
 * Hot-Plug event, or because the driver is going to be removed from
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6263
 * memory.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6264
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6265
static void __devexit e1000_remove(struct pci_dev *pdev)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6266
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6267
	struct net_device *netdev = pci_get_drvdata(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6268
	struct e1000_adapter *adapter = netdev_priv(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6269
	bool down = test_bit(__E1000_DOWN, &adapter->state);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6270
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6271
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6272
	 * The timers may be rescheduled, so explicitly disable them
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6273
	 * from being rescheduled.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6274
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6275
	if (!down)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6276
		set_bit(__E1000_DOWN, &adapter->state);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6277
	del_timer_sync(&adapter->watchdog_timer);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6278
	del_timer_sync(&adapter->phy_info_timer);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6279
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6280
	cancel_work_sync(&adapter->reset_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6281
	cancel_work_sync(&adapter->watchdog_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6282
	cancel_work_sync(&adapter->downshift_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6283
	cancel_work_sync(&adapter->update_phy_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6284
	cancel_work_sync(&adapter->print_hang_task);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6285
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6286
	if (!(netdev->flags & IFF_UP))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6287
		e1000_power_down_phy(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6288
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6289
	/* Don't lie to e1000_close() down the road. */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6290
	if (!down)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6291
		clear_bit(__E1000_DOWN, &adapter->state);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6292
	unregister_netdev(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6293
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6294
	if (pci_dev_run_wake(pdev))
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6295
		pm_runtime_get_noresume(&pdev->dev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6296
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6297
	/*
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6298
	 * Release control of h/w to f/w.  If f/w is AMT enabled, this
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6299
	 * would have already happened in close and is redundant.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6300
	 */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6301
	e1000e_release_hw_control(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6302
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6303
	e1000e_reset_interrupt_capability(adapter);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6304
	kfree(adapter->tx_ring);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6305
	kfree(adapter->rx_ring);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6306
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6307
	iounmap(adapter->hw.hw_addr);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6308
	if (adapter->hw.flash_address)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6309
		iounmap(adapter->hw.flash_address);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6310
	pci_release_selected_regions(pdev,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6311
	                             pci_select_bars(pdev, IORESOURCE_MEM));
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6312
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6313
	free_netdev(netdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6314
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6315
	/* AER disable */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6316
	pci_disable_pcie_error_reporting(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6317
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6318
	pci_disable_device(pdev);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6319
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6320
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6321
/* PCI Error Recovery (ERS) */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6322
static struct pci_error_handlers e1000_err_handler = {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6323
	.error_detected = e1000_io_error_detected,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6324
	.slot_reset = e1000_io_slot_reset,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6325
	.resume = e1000_io_resume,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6326
};
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6327
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6328
static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6329
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6330
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6331
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6332
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP), board_82571 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6333
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6334
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6335
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6336
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6337
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6338
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6339
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6340
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6341
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6342
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_SERDES), board_82572 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6343
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6344
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E), board_82573 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6345
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6346
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6347
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6348
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6349
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6350
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6351
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6352
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6353
	  board_80003es2lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6354
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6355
	  board_80003es2lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6356
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_DPT),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6357
	  board_80003es2lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6358
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_SERDES_SPT),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6359
	  board_80003es2lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6360
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6361
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE), board_ich8lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6362
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_G), board_ich8lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6363
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IFE_GT), board_ich8lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6364
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_AMT), board_ich8lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6365
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6366
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6367
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6368
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_82567V_3), board_ich8lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6369
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6370
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6371
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6372
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6373
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6374
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6375
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6376
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6377
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6378
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6379
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6380
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LM), board_ich9lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6381
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6382
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6383
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6384
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6385
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6386
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_V), board_ich10lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6387
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6388
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6389
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6390
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6391
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6392
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6393
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_LM), board_pch2lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6394
	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_V), board_pch2lan },
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6395
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6396
	{ }	/* terminate list */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6397
};
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6398
MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6399
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6400
#ifdef CONFIG_PM
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6401
static const struct dev_pm_ops e1000_pm_ops = {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6402
	SET_SYSTEM_SLEEP_PM_OPS(e1000_suspend, e1000_resume)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6403
	SET_RUNTIME_PM_OPS(e1000_runtime_suspend,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6404
				e1000_runtime_resume, e1000_idle)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6405
};
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6406
#endif
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6407
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6408
/* PCI Device API Driver */
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6409
static struct pci_driver e1000_driver = {
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6410
	.name     = e1000e_driver_name,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6411
	.id_table = e1000_pci_tbl,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6412
	.probe    = e1000_probe,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6413
	.remove   = __devexit_p(e1000_remove),
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6414
#ifdef CONFIG_PM
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6415
	.driver.pm = &e1000_pm_ops,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6416
#endif
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6417
	.shutdown = e1000_shutdown,
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6418
	.err_handler = &e1000_err_handler
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6419
};
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6420
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6421
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6422
 * e1000_init_module - Driver Registration Routine
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6423
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6424
 * e1000_init_module is the first routine called when the driver is
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6425
 * loaded. All it does is register with the PCI subsystem.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6426
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6427
static int __init e1000_init_module(void)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6428
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6429
	int ret;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6430
	pr_info("Intel(R) PRO/1000 Network Driver - %s\n",
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6431
		e1000e_driver_version);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6432
	pr_info("Copyright(c) 1999 - 2011 Intel Corporation.\n");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6433
	ret = pci_register_driver(&e1000_driver);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6434
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6435
	return ret;
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6436
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6437
module_init(e1000_init_module);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6438
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6439
/**
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6440
 * e1000_exit_module - Driver Exit Cleanup Routine
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6441
 *
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6442
 * e1000_exit_module is called just before the driver is removed
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6443
 * from memory.
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6444
 **/
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6445
static void __exit e1000_exit_module(void)
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6446
{
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6447
	pci_unregister_driver(&e1000_driver);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6448
}
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6449
module_exit(e1000_exit_module);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6450
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6451
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6452
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6453
MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6454
MODULE_LICENSE("GPL");
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6455
MODULE_VERSION(DRV_VERSION);
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6456
35223d2e6e72 Added e1000e driver for kernel 3.2, thanks to J. Kunz.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
  6457
/* e1000_main.c */